QNAP ES2486DC (01) PDF MANUAL


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PDF Content Summary: ES2486dc User Guide Document Version: 5 04/02/2020 ES2486dc User Guide Contents 1. Preface About This Guide..........................................................................................................................................3 Audience.......................................................................................................................................................3 Document Conventions................................................................................................................................ 3 2. Product Overview About the ES2486dc.....................................................................................................................................4 Hardware Specifications...............................................................................................................................4 Package Contents........................................................................................................................................ 7 Components................................................................................................................................................. 7 Front Panel...............................................................................................................................................8 Front Panel LEDs.....................................................................................................................................8 Front Panel Buttons..................................................................................................................................9 OLED Panel Behavior............................................................................................................................ 10 Rear Panel..............................................................................................................................................13 Rear Panel LEDs....................................................................................................................................15 Storage Controller Power Button............................................................................................................17 Reset Button...........................................................................................................................................17 Battery Backup Unit................................................................................................................................18 System Board.........................................................................................................................................18 Drive Numbering.....................................................................................................................................19 Installation Requirements........................................................................................................................... 20 Setting Up the NAS.....................................................................................................................................20 3. Installation and Configuration Hardware Installation..................................................................................................................................22 Removing a Storage Controller..............................................................................................................22 Installing a Storage Controller................................................................................................................23 Drive Installation.....................................................................................................................................24 Installing Expansion Cards.....................................................................................................................27 Replacing Memory Modules...................................................................................................................29 Replacing the Fan Module......................................................................................................................31 Hot-Swapping Redundant Power Supply Units......................................................................................32 Replacing the Battery Backup Unit.........................................................................................................34 Expansion Unit Installation.....................................................................................................................35 Rail Kits.................................................................................................................................................. 40 QES Installation..........................................................................................................................................40 Installing QES Using a Static IP Address...............................................................................................41 Installing QES Using a Dynamic IP Address..........................................................................................42 Installing QES Using Manual Setup....................................................................................................... 43 Service Port Configuration..........................................................................................................................45 Storage Controller Service Port..............................................................................................................45 Expansion Unit Service Port...................................................................................................................46 Management Port Configuration.................................................................................................................47 Multipath I/O Network Configuration...........................................................................................................48 4. Troubleshooting Forcing Qfinder Pro to Locate the NAS...................................................................................................... 50 Hot-swapping Failed Drives........................................................................................................................50 Support and Other Resources....................................................................................................................51 1 5. Glossary QES............................................................................................................................................................ 52 Qfinder Pro................................................................................................................................................. 52 6. Notices Limited Warranty.........................................................................................................................................53 Disclaimer...................................................................................................................................................53 GNU Public License....................................................................................................................................53 CE Notice....................................................................................................................................................61 FCC Notice................................................................................................................................................. 61 VCCI Notice................................................................................................................................................61 BSMI Notice................................................................................................................................................62 SJ/T 11364-2006.........................................................................................................................................62 2 1. Preface About This Guide This guide provides information on the QNAP ES2486dc NAS and step-by-step instructions on installing the hardware. It also provides instructions on basic operations and troubleshooting information. Audience This document is intended for storage administrators. This guide assumes that the user is knowledgeable and qualified to install, maintain, and troubleshoot issues involving servers, server components, and storage systems. This guide also assumes that the user is trained to recognize hazards, including the appropriate actions the user needs to take to prevent personal injury and damage to data and property. Document Conventions Symbol Description ES2486dc User Guide Notes provide default configuration settings and other supplementary information. Important notes provide information on required configuration settings and other critical information. Tips provide recommendations or alternative methods of performing tasks or configuring settings. Warnings provide information that, when ignored, may result in potential loss, injury, or even death. Preface 3 ES2486dc User Guide 2. Product Overview This chapter provides basic information about the QNAP ES2486dc NAS. About the ES2486dc The ES2486dc is a dual-controller ZFS NAS designed to deliver a scalable platform for enterprise-level solutions. It is equipped with a powerful multi-core processor, AES-NI hardware encryption engine, and both USB 3.0 and 10GbE ports, allowing it to deliver optimal performance for enterprise users. In addition to 24- bay capacity, the ES2486dc supports redundant storage controllers and power supplies to provide the necessary reliability, serviceablility, and read/write speeds. Hardware Specifications Warning • If your QNAP product has hardware defects, return the product to QNAP or a QNAP- authorized service center for maintenance or replacement. Any attempt to repair or perform maintenance procedures on the product by you or an unauthorized third-party invalidates the warranty. • QNAP is not responsible for any damage or data loss caused by unauthorized modifications and installation of unsupported third-party applications. For details, see the QNAP Warranty Terms and Conditions. Ordering P/N CPU Memory Power supply ES2486dc-2142IT-96G Intel® Xeon® D-2142IT 96 GB (48 GB per controller) Product Overview 4 Redundant ES2486dc-2142IT-128G Intel® Xeon® D-2142IT 128 GB (64 GB per controller) Redundant Component ES2486dc-2142IT-96G ES2486dc-2142IT-128G Processor CPU Intel® Xeon® D-2142IT Frequency 8-core/16-thread 1.90 GHz base/3.0 GHz burst Architecture x86 64-bit Encryption engine AES-NI Memory Pre-installed memory 48 GB RAM: 4 x 4 GB RDIMM DDR4 ECC and 4 x 8 GB RDIMM DDR4 ECC 64 GB RAM: 4 x 16 GB RDIMM DDR4 ECC Component ES2486dc-2142IT-96G ES2486dc-2142IT-128G Memory slots 8 x R-DIMM or LR-DIMM DDR4 per controller Important • Use only QNAP memory modules to maintain system performance and stability. For NAS devices with more than one memory slot, use QNAP modules with identical specifications. • Using unsupported modules may degrade performance, cause errors, or prevent the operating system from starting. • You can only use one type of dual in-line memory module (DIMM) at a time. Do not use registered DIMM (RDIMM) with load-reduction DIMM (LRDIMM) memory. Maximum memory 512 GB RAM: 8 x 64 GB Flash memory 4 GB (dual-boot OS protection) Cache for Copy-to-Flash 64 GB per controller Storage Drive bays 24 x 2.5-inch SAS 12 Gbps Note The interface is backward compatible with SAS 6 Gbps drives. Drive compatibility • 2.5-inch SATA hard disk drives • 2.5-inch SATA solid-state drives • 2.5-inch SAS hard disk drives • 2.5-inch SAS solid-state drives Tip• For the list of compatible drive models, go to https://www.qnap.com/compatibility. • A QDA-SA3 drive adapter is required for installing SATA HDD/SSD. For more details, see QDA-SA3 Quick Installation Guide. SSD cache acceleration support 2.5-inch drive bays: 1 to 24 Network 10 Gigabit Ethernet ports 4 x 10GbE SFP+ ports per controller Gigabit Ethernet ports 3 x GbE RJ45 ports per controller External I/O Ports & Expansion Slots PCIe slots 2 x PCIe 3.0 x8 slots per controller ES2486dc User Guide Tip For the list of compatible expansion cards, go to https://www.qnap.com/compatibility. Product Overview 5 Component ES2486dc-2142IT-96G ES2486dc-2142IT-128G USB ports 2 x USB 3.0 Type-A ports per controller Interface Buttons NAS: • Power • OLED panel power button Storage controllers: • Power • Reset Dimensions Form factor 2U Rackmount Dimensions (H x W x D) 88.3 x 483 x 545.1 mm (34.76 x 190.16 x 241.61 in) Net weight 27.41 kg (60.43 lbs) Other Rail compatibility RAIL-E03 Note • You can find installation information in the rail kit package. • For details, go to http://srcqnap.qnap.com.tw/en/ product/rail-kit. Power supply unit 2 x 700W, 90-264V AC, 50/60 Hz System battery CR2032 lithium battery (3V, 225 mAh) Important Dispose of used batteries according to local regulations or the instructions of the battery manufacturer. Hot-swappable battery backup unit 2 x 10.8V, 2200 mAh Sound level 60.9 db(A) ES2486dc User Guide Warning To avoid potential battery explosion, causing injury or damage to components, ensure that you replace the existing battery with a battery of the same type. Note The sound level was tested at a bystander position, which is within one meter of the NAS. The test NAS operated at low speed with the maximum number of drives installed. Product Overview 6 ES2486dc User Guide Component ES2486dc-2142IT-96G ES2486dc-2142IT-128G Hot-swappable fan module System: 60 x 60 x 38 mm, 12V DC fan Warning • To avoid potential injury or damage to components, do not touch the fans while the NAS is connected to a power source. • To ensure proper cooling, replacement of the fan should be completed within 10 seconds. Operating temperature 0 ̊C to 40 ̊C (32 ̊F to 104 ̊F) Relative humidity • Non-condensing relative humidity: 5% to 95% • Wet-bulb temperature: 27 ̊C (80.6 ̊F) TipModel specifications are subject to change without prior notice. To see the latest specifications, go to https://www.qnap.com. Package Contents Item Quantity ES2486dc 1 Power cord 2 Ethernet cables Cat 5e cables: 6 Screws for 2.5-inch drives 96 Rail kit 1 x RAIL-E03 Note You can find installation information in the rail kit package. Quick Installation Guide (QIG) 1 Components Product Overview 7 ES2486dc User Guide Front Panel No. Component No. Component 1 OLED panel 4 System status LED 2 Drive activity LED 5 System power LED 3 Drive status LED - - Front Panel LEDs The front panel LEDs indicate system status and related information when the NAS is powered on. The following LED information applies only when the drive is correctly installed and when the NAS is connected to the network. For details on the location of the LEDs, see Front Panel. LED Status Description System power Blue The system is powered on. Product Overview 8 LED Status Description System status Green The system is operating normally. Red • Displays detected system errors or warnings (e.g. degraded RAID mode, memory failure, fan/ power supply failure, system/disk temperature too high, storage pool reaching threshold value). For details, see the QES User Guide. • The system is performing takeover. The dual active-active controller system enables a single controller to take over the pool disk resources owned by the other controller in the event of a controller failure. Takeovers can be initiated manually or be set up with the automatic system failover protection. For details, see the QES User Guide. • The power supply unit is disconnected. Drive status Green The drive can be accessed. Flashing green slowly The QES Storage Manager Locate command is enabled and is identifying the drive. Red A drive read/write error has occurred. Off The drive is not installed. Drive activity Flashing green continuously or slowly No drive activity has been detected. Flashing green The high activity on drive or drive being configured is part of an array. Front Panel Buttons TipRemove the front panel cover to access the front panel buttons. ES2486dc User Guide Product Overview 9 Tip• System startup takes 10 to 15 minutes, depending on the number of installed drives and connected devices. Check the rear panel LEDs to determine the startup status. For details, see Rear Panel LEDs. • This button can only be used to power on the two storage controllers. Use the respective rear panel storage controller power button to power off the storage controllers. For details, see Storage Controller Power Button. Power on OLED display Press the OLED panel power button. The OLED display powers on. Power off OLED display Press the OLED panel power button. The OLED display powers off. OLED Panel Behavior The OLED panel displays the status of the storage controllers and main components. For details on the location of the OLED panel, see Front Panel. Icon Name Icon Description Controller power status No. Component No. Component 1 OLED panel power button 2 Power button Operation User Action Result Power on NAS Press the power button. • Both storage controllers power on. • All storage and management services are disabled. ES2486dc User Guide • On: Both controllers are powered on • Flashing: Both controllers are booting • On: Only controller A is powered on • Flashing: Controller A is booting • On: Only controller B is powered on • Flashing: Controller B is booting Product Overview 10 Icon Name Icon Description Controller fan status ES2486dc User Guide • On: The fan modules of both controllers are operating normally • Flashing: The fan modules of both controllers are not functioning or are not installed If both controllers are installed: • Flashing: The fan module in controller A is not functioning or is not installed If only controller A is installed: • On: The fan module in controller A is operating normally • Flashing: The fan module in controller A is not functioning or is not installed If both controllers are installed: • Flashing: The fan module in controller B is not functioning or is not installed If only controller B is installed: • On: The fan module in controller B is operating normally • Flashing: The fan module in controller B is not functioning or is not installed Product Overview 11 Icon Name Icon Description Controller battery backup unit (BBU) If both controllers are powered on: • Flashing: The BBU in controller B is not functioning or is not detected • Highlighted: The BBU in controller B is charging If only controller B is powered on: • On: The BBU in controller B is operating normally • Flashing: The BBU in controller B is not functioning or is not detected • Highlighted: The BBU in controller B is charging High availability status ES2486dc User Guide • On: The BBUs of both controllers are operating normally • Flashing: The BBUs of both controllers are not functioning • Highlighted: The BBUs of both controllers are charging • Off: The BBUs of both controllers are not detected If both controllers are powered on: • Flashing: The BBU in controller A is not functioning or is not detected • Highlighted: The BBU in controller A is charging If only controller A is powered on: • On: The BBU in controller A is operating normally • Flashing: The BBU in controller A is not functioning or is not detected • Highlighted: The BBU in controller A is charging • On: In active state • Flashing: Performing takeover or undergoing giveback Highlighted: Controller A is in takeover state Highlighted: Controller B is in takeover state Product Overview 12 Icon Name Icon Description Two-digit display The left digit corresponds to controller A, and the right digit corresponds to controller B. • No Display: BIOS booting • 1: Detecting device • 2: Applying network settings • 3: Applying system settings • 4: Service starting • 5: System self-testing • 8: System initializing • 0: System ready Rear Panel ES2486dc User Guide Product Overview 13 13 ES2486dc User Guide No. Component No. Component 1 PCIe low-profile covers 8 Ethernet Port 2 (GbE RJ45) 2 Battery backup unit 9 Power button 3 Power supply unit 10 Service port Note This port is only for engineering purposes. 4 Reset button 11 Ethernet port 4 (10GbE SFP+) 5 USB 3.0 Type-A ports 12 Ethernet port 5 (10GbE SFP+) 6 Ethernet port 1 (GbE RJ45, management Ethernet port 7 (10GbE SFP+) port) 7 Ethernet port 3 (GbE RJ45) 14 Ethernet port 6 (10GbE SFP+)Product Overview 14 Note This port is only for engineering purposes. ES2486dc User Guide Rear Panel LEDs No. Component No. Component 1 Battery backup unit LED 6 Battery backup unit status LED 2 Power supply LED 7 Fan status LED 3 Gigabit Ethernet activity LED 8 Status LED 4 Gigabitt Ethernet speed LED 9 10 Gigabit Ethernet activity LED 5 High availability LED 10 10 Gigabit Ethernet speed LED The following LED information applies only when the drive is correctly installed and when the NAS is connected to the network. LED Status Description Power supply unit Green • The NAS is powered on. • The NAS power supply is functioning normally. Flashing green The NAS is powering off. Orange The AC power cord has been disconnected or is malfunctioning. Off One or more of the following conditions occurred: • The AC power is unavailable. • The power supply has failed. Battery backup unit Green The battery backup unit is functioning normally. Red A battery backup unit malfunction occurred. Orange The battery backup unit is charging. Off The battery backup unit is not correctly attached to the ES2486dc. Product Overview 15 ES2486dc User Guide LED Status Description Status Green The system is operating normally. Flashing green The system is booting. Off The system is powered off. Fan Green The fan is functioning normally. Orange A fan malfunction occurred. Off The fans are not detected. Battery backup unit status Product Overview 16 Green The battery backup unit status is functioning normally. Orange A write buffer for Copy-to-Flash occurred. For details, see Battery Backup Unit. Off One or more of the following conditions occurred: • The storage controller is powered off. • The system cannot detect the battery backup unit. High availability Green High availability is currently active. Flashing orange One of the following situations occurred: • Performing takeover: The dual active-active controller system enables a controller to take over the pool disk resources and access the data upon the failure of the other controller. Takeovers can be initiated manually or set up with the automatic system failover protection. For more details, see the QES User Guide. • Undergoing giveback: One of the storage controllers has taken over the system. The other storage controller has resumed operations and is ready to resume data service. Giveback can be initiated manually or set up with automatic failback after system recovers. For more details, see the QES User Guide. Orange The storage controller has taken over the other storage controller. Off One or more of the following conditions has occurred: • The storage controller has failed. • The storage controller is powered off. 10 Gigabit Ethernet port speed Green The network connection is operating at 10GbE. Orange The network connection is operating at 1GbE Off The network connection is operating at 100 Mbps. 10 Gigabit Ethernet port activity Green The network link is active. Flashing green The network link is active. Off There is no network link. 1 Gigabit Ethernet port activity Green The network link has been established. Flashing green The network link is active. Off There is no network link. ES2486dc User Guide LED Status Description 1 Gigabit Ethernet Green The network connection is operating at 1GbE. port speed Orange The network connection is operating at 100 Mbps. Storage Controller Power Button Operation User Action Result Power on Press the button once. The storage controller powers on. Power off Press and hold the button for 5 seconds. Product Overview 17 The storage controller powers off. Force power off Press and hold the button for 10 seconds. The storage controller shuts down. Warning Use this method only when the storage controller is unresponsive. This action may result in data loss. Reset Button Operation User Action Result Basic system reset Press and hold the button for 3 seconds. The following settings are set to default values. • System administrator password: admin • TCP/IP configuration: • IP address settings: Automatically obtained via DHCP • Jumbo frames: Disabled • Port trunking mode: Failover (multi-LAN models only) • Security level: Low (Allow all connections) • LCD panel password: (blank) • VLAN: Disabled • Service binding: NAS services can run on any available network interface ES2486dc User Guide Operation User Action Result Advanced system reset Press and hold the button for 10 The device performs a basic seconds. system reset. All default system settings are also restored, deleting all previously created users, user groups, and shared folders. The user data stored on the disks is retained. To retrieve data after an advanced system reset, recreate the previous folder structure on the NAS. Battery Backup Unit The battery backup unit (BBU) protects the data integrity of each storage controller. If both power supply units fail during a power outage, the system uses the BBUs for power and activates the asynchronous DRAM refresh (ADR) feature of the processors. While the BBUs supply power, cached data stored in the DRAM are written to the M.2 SSDs. This process is called Copy-to-Flash. Once power is restored and the system restarts, any logs, archives, or other important data are reconstructed from the data stored on the M. 2 SSDs. Warning During a power outage, do not remove storage controllers while their BBU status LEDs are orange. Removing a storage controller during this period interrupts the Copy-to-Flash process and may result in data loss. System Board No. Component No. Component 1 Memory slot 1 6 Memory slot 6 2 Memory slot 2 7 Memory slot 7 3 Memory slot 3 8 Memory slot 8 Product Overview 18 No. Component No. Component 4 Memory slot 4 9 PCIe 3.0 x8 slot 2 5 Memory slot 5 10 PCIe 3.0 x8 slot 1 Drive Numbering ES2486dc User Guide Product Overview 19 ES2486dc User Guide Installation Requirements Category Item Environment • Room temperature: 0 ̊C to 40 ̊C (32 ̊F to 104 ̊F) • Non-condensing relative humidity: 5% to 95% • Wet-bulb temperature: 27 ̊C (80.6 ̊F) • Flat, anti-static surface without exposure to direct sunlight, liquids, or chemicals • Free from objects that may obstruct NAS ventilation or apply pressure to the NAS or power cord Important • The NAS should be stored in a secure location with restricted access, controlled through the use of a tool, lock and key, or any means of security. • Only qualified, trained, and authorized NAS administrators with knowledge of all restrictions, safety precautions, and installation and maintenance procedures should have physical access to the NAS. Hardware and peripherals • Storage drives For the list of compatible drive models, go to https://www.qnap.com/compatibility. • Network cable Tools • Phillips #1 or #2 screwdriver • Anti-static wrist strap Setting Up the NAS 1. Place your NAS device in an environment that meets the requirements. For details, see Installation Requirements. 2. Install the drives. For details, see the following topics: • Drive Configuration • Installing 2.5-inch Hard Drives and Solid-State Drives on 2.5-inch Trays For a list of compatible drives and expansion cards, go to http://www.qnap.com/compatibility. 3. Install expansion cards. For details, see Installing Expansion Cards. 4. Optional: Install the NAS on a rack. Product Overview 20 ES2486dc User Guide For details, see Rail Kits. 5. Connect the NAS to the network. For details, see the following topics: • Management Port Configuration • Multipath I/O Network Configuration 6. Connect the SAS Expansion Units. For details, see Connecting SAS Expansion Units. 7. Connect the power cord and all applicable cables. 8. Power on the NAS. For details, see Front Panel Buttons. 9. Install QES. For details, see QES Installation. 10. Log on to QES. If QES finds unused disks in your NAS, it will ask you to initialize these disks. Click Initialize to start the process. 11. Open High Availability . If any of the components are experiencing issues, ensure that they are properly installed. Product Overview 21 3. Installation and Configuration This chapter provides specific hardware and firmware installation and configuration steps. Hardware Installation This section provides information on installing drives, memory modules, and expansion cards. Removing a Storage Controller 1. Power off the NAS. 2. Disconnect the power cord from the electrical outlet. 3. Disconnect all cables and external attachments. 4. Remove the storage controller. a. Loosen the screw. b. Pull the handle down. c. Pull out the storage controller. ES2486dc User Guide Installation and Configuration 22 Installing a Storage Controller 1. Load the controller into the NAS. a. Insert the controller into the chassis. b. Push the handle up. 2. Tighten the screw. ES2486dc User Guide Installation and Configuration 23 3. Connect all cables and external attachments. 4. Connect the power cord to the electrical outlet. 5. Power on the NAS. Drive Installation The ES2486dc is compatible with 2.5-inch hard drives and 2.5-inch solid-state drives. Drive Configuration The ES2486dc supports the following drive configurations. Configuration Description SSDs only Use only solid-state drives (SSDs) for I/O intensive workloads and business- critical storage. HDDs only Use only hard disk drives (HDDs) for optimized cost effectiveness. This configuration is suitable for storing cold data and running applications that require sequential data access, such as video editing and surveillance software. Hybrid Use a combination of SSDs and HDDs to balance cost and performance. In addition to high input/output operations per second (IOPS), the ES2486dc also supports creating an SSD read cache to further improve storage performance. This configuration is especially suitable for virtual desktop infrastructure (VDI) and web servers. When using both SSDs and HDDs, QNAP recommends installing SSDs in drive bays 1 to 4. ES2486dc User Guide Note The NAS uses drive bays 1 to 4 for system configuration and drive bays 5 to 16 for data storage. This prevents data storage operations from interfering with the basic operations of the NAS and allows for easier migration of drives used for data storage. Installation and Configuration 24 ES2486dc User Guide For details on drive numbering, see Drive Numbering. Installing 2.5-inch Hard Drives and Solid-State Drives on 2.5-inch Trays For the list of compatible drive models, go to https://www.qnap.com/compatibility. Note • A QNAP QDA-SA3 drive adapter is required for installing a SATA HDD or SSD onto the drive tray. • The QDA-SA3 drive adapter allows SATA 6 Gbps drives to be installed into 2.5-inch SAS drive bays on QNAP Enterprise ZFS NAS devices. 1. Power off the NAS. 2. Remove the drive tray. a. Pull the handle to release the tray. b. Pull the tray out. 3. Install a drive on the tray. a. Place the drive on the tray so that the holes on the bottom of the drive are aligned with the holes on the bottom of the tray. Installation and Configuration 25 Warning • Installing a drive deletes all data on the drive. • Observe electrostatic discharge (ESD) procedures to avoid damage to components. • Do not replace a drive without first bringing the storage pool offline in QES. You may replace a drive online only when it is part of an array that has been configured for fault tolerance and a predictive failure alert is received from QES. For more information, refer to the QES user guide. 4. Load the tray into the bay. a. Insert the tray into the bay. b. Push the handle. 5. Power on the NAS. b. Attach the screws. ES2486dc User Guide Installation and Configuration 26 Installing Expansion Cards The ES2486dc supports selected expansion cards, some of which require QNAP PCIe brackets. QNAP- branded expansion cards purchased from the company website are shipped with the brackets necessary to fit the ES2486dc. Warning • Only qualified personnel should perform the following steps. Failure to follow instructions can result in serious injury or death. • Observe electrostatic discharge (ESD) procedures to avoid damage to components. 1. Power off the NAS. 2. Remove the storage controller. For details, see Removing a Storage Controller. 3. Remove the PCIe cover. a. Remove the screw that secures the cover to the bracket. b. Pull the cover away from the slot. 4. Optional: Attach the QNAP bracket to the expansion card. a. Remove the screws from the existing bracket. ES2486dc User Guide Installation and Configuration 27 d. Verify that the bracket does not move. 5. Install the expansion card. a. Hold the card by the edges. b. Insert the card into the slot. c. Attach the screw. b. Carefully pull the bracket away from the card. c. Attach the QNAP bracket to the card using the same screws. ES2486dc User Guide Installation and Configuration 28 6. Install the storage controller. For details, see Installing a Storage Controller. Replacing Memory Modules Each storage controller has eight memory slots. You can increase the memory capacity of the NAS by upgrading the memory module. Use only QNAP modules of the same type and capacity to maintain system performance and stability. You can purchase QNAP memory modules from authorized resellers. Important QNAP recommends installing modules in pairs. • Ensure that each pair uses identical modules. • Install the pairs in sequence and follow the assigned slots for each pair. • Install memory modules in groups of four or eight. When installing four memory modules, install the memory in slots 1, 3, 6, and 8. For details on slot numbering, see System Board. Module Pair Slot Number First pair Slots 1 and 8 Second pair Slots 3 and 6 Third pair Slots 2 and 7 Fourth pair Slots 4 and 5 ES2486dc User Guide Warning • Only qualified personnel should perform the following steps. Failure to follow instructions can result in serious injury or death. Installation and Configuration 29 ES2486dc User Guide • Observe electrostatic discharge (ESD) procedures to avoid damage to components. 1. Power off the NAS. 2. Remove the storage controller. For details, see Removing a Storage Controller. 3. Remove an existing module. a. Push the retention clips outward simultaneously to release the module. 4. Install a new module. a. Align the notch with the ridge in the slot. b. Insert the module into the slot. c. Verify that the metal connectors are completely inserted into the slot. d. Carefully press down on the module until the retention clips lock the module into place. Installation and Configuration 30 Warning Attempting to remove a module that is not completely released may damage the module and the motherboard. b. Hold the module by the edges and then carefully slide it out of the slot. ES2486dc User Guide 5. Install the storage controller. For details, see Installing a Storage Controller. 6. Verify that the module is recognized by the NAS. a. Log on to QES as administrator. b. Go to Control Panel > System > System Status > Hardware Information . c. Check the values for each memory slot. Replacing the Fan Module The fan module of the ES2486dc contains three fans to ensure adequate cooling. Warning • To avoid potential battery explosion, causing injury or damage to components, ensure that you replace the existing battery with a battery of the same type. • Only qualified personnel should perform the following steps. Failure to follow instructions can result in serious injury or death. • Observe electrostatic discharge (ESD) procedures to avoid damage to components. 1. Power off the NAS. 2. Remove the storage controller. For details, see Removing a Storage Controller. 3. Remove the fan module. a. Pull the handle to release the fan module. b. Pull the module out. Installation and Configuration 31 ES2486dc User Guide Installation and Configuration 32 4. Install a new fan module. a. Insert the module into the chassis. b. Push the handle down to lock the module in place. 5. Install the storage controller. For details, see Installing a Storage Controller. Hot-Swapping Redundant Power Supply Units 1. Power off the storage controller. 2. Disconnect the power cord from the electrical outlet and the PSU that you are replacing. The NAS may have one or more power supply unit (PSU) cords. To avoid serious injuries, a trained service technician must disconnect all PSU cords before installing or replacing system components. 3. Firmly press the latch toward the handle and then pull the PSU out. 4. Insert the new PSU. Warning ES2486dc User Guide Installation and Configuration 33 5. Connect the power cord to the PSU and the electrical outlet. 6. Power on the storage controller. Replacing the Battery Backup Unit If the power supply unit of the storage controller fails, the system will switch to the battery backup unit (BBU) for power. 1. Press the latch and pull out the BBU. 2. Insert the new BBU into the slot until it locks in place. ES2486dc User Guide Installation and Configuration 34 Expansion Unit Installation The ES2486dc is compatible with SAS expansion unit EJ1600 v2. When connecting to the EJ1600 v2, some storage expansion accessories are required. You can purchase storage expansion accessories from QNAP or an authorized reseller. For details, go to https://shop.qnap.com/. Expansion Unit Model Description Required Accessories Maximum Expansion Units Supported EJ1600 v2 • Uses a SAS 12 Gbps interface • Supports SAS HDD/SSD • SAS-12G2E storage expansion card • Mini-SAS SFF-8644 cable • RAIL-E03 rail kit 7 Connecting SAS Expansion Units The ES2486dc supports a maximum of seven SAS expansion units. To connect SAS expansion units, a storage expansion card must be installed in the NAS. 1. Install a storage expansion card on the PCIe slot. For details, see Installing Expansion Cards. 2. Connect the expansion units to the NAS using one of the following topologies. ES2486dc User Guide Important QNAP recommends always using dual-path configuration to prevent storage downtime due to expansion unit failure or cable disconnection. Single-path configuration should be used only in a situation where it is not possible to use dual-path configuration. Installation and Configuration 35 Dual-path configuration Single-path configuration ES2486dc User Guide Installation and Configuration 36 3. Power on the expansion units. 4. Verify that the expansion units are recognized by the NAS. a. Log on to QES as administrator. b. Go to Main Menu > Storage Manager > Overview > System . c. Verify that the expansion units are listed. Adding SAS Expansion Units Dual-path configuration ES2486dc User Guide Important • When adding an expansion unit to an existing NAS topology, the new expansion unit must be added last. For example, if the existing topology contains two expansion units, then you must add the new expansion unit in sequence as expansion unit 3. • Adding a single expansion unit to a dual-path configuration requires two SAS cables. Installation and Configuration 37 ES2486dc User Guide Note This is required for dual-path configurations. Loop cables are the SAS cables that you use to connect the last expansion unit back to the NAS. 4. Using the two new SAS cables, connect the last expansion unit to the new expansion unit. 5. If you are using a dual-path configuration, connect the loop cables from the SAS ports on the new expansion unit. 6. Connect the power cables to the new expansion unit. 7. Power on the new expansion unit. 8. Log on to QES as administrator. 9. Go to Main Menu > Storage Manager > Storage > Disks . 10. Click Recover, and then select Reinitialize enclosure ID. QES scans for and detects the new expansion unit and installed disks. Replacing SAS Expansion Units You can replace SAS expansion units with single-path or dual-path configurations. 1. Take all storage pools offline for the expansion unit you are removing. For more information, refer to the QES User Guide. Installation and Configuration 38 Single-path configuration 1. Mount the new expansion unit on the rack. 2. Install the drives in the new expansion unit. 3. Optional: Disconnect the loop cables from the SAS ports on the last expansion unit. Warning Disconnecting an expansion unit containing online storage pools may result in data loss. Configuration Description Single-path configuration If you disconnect a SAS expansion unit, all succeeding units in the connection will also be disconnected. For example, if you are replacing expansion unit 2, then you must take the storage pools on expansion units 3 and 4 offline. Dual-path configuration Only the storage pools for the unit you are removing will be taken offline. 2. Press and hold the power button on the existing expansion unit for 5 seconds. The existing expansion unit powers off. 3. Disconnect all SAS cables from the existing expansion unit. 4. Disconnect all power cables from the existing expansion unit. 5. Unmount and remove the existing expansion unit from the rack. 6. Remove the drives from the existing expansion unit. 7. Mount the new expansion unit on the rack. 8. Install the drives in the new expansion unit. 9. Connect the SAS cables to the new expansion unit using one of the following topologies: For more information, see Connecting SAS Expansion Units. Dual-path configuration ES2486dc User Guide Installation and Configuration 39 ES2486dc User Guide Single-path configuration 10. Connect the power cables to the new expansion unit. 11. Power on the new expansion unit. 12. Log on to QES as administrator. 13. Go to Main Menu > Storage Manager > Storage > Disks . 14. Click Recover, and then select Reinitialize enclosure ID. QES scans for and detects the new expansion unit and installed disks. 15. Bring all offline storage pools back online. Rail Kits The ES2486dc package contains a RAIL-E03 rail kit for installing the NAS onto a rack. For details on the RAIL-E03 rail kit, contact an authorized reseller or go to http://shop.qnap.com. Model Compatible Rail Kit ES2486dc RAIL-E03 You can find installation information in the rail kit package. QES Installation The ES2486dc uses the QNAP QES operating system. If the NAS is connected to your local area network, you can install QES using Qfinder Pro. Installation and Configuration 40 Method Description Quick setup Install QES and configure basic settings. For details, see the following topics: • Installing QES Using a Static IP Address • Installing QES Using a Dynamic IP Address Manual setup Install QES and configure advanced settings such as device type access and the QES system file storage pool. For details, see Installing QES Using Manual Setup. Installing QES Using a Static IP Address ES2486dc User Guide Warning Installing QES deletes all data on the drives. Back up your data before proceeding. 1. Power on the NAS. 2. Connect the NAS to your local area network. 3. Run Qfinder Pro on a computer that is connected to the same local area network. Tip To download Qfinder Pro, go to https://www.qnap.com/utilities. 4. Locate the IP address of the storage controller from the device list. Tip If the computer is connected to the NAS through the management port, Qfinder Pro will also display the the details of the second controller. Controller Number IP Address 1 169.254.100.100 2 169.254.100.101 5. Configure the network settings. a. On your Windows device, go to Control Panel > Network and Internet > Network and Sharing Center . b. Identify and click the network interface connected to the management port. The Connection Status window opens. c. Click Properties. The Connection Properties window opens. d. From the list of connections, select Internet Protocol Version 4 (TCP/IPv4). e. Click Properties. The Internet Protocol Version 4 (TCP/IPv4) Properties window opens. f. Select Use the following IP address. g. Specify an IP address and subnet mask. Example: Installation and Configuration 41 Note You must initialize any unused disks upon your next login. Installing QES Using a Dynamic IP Address ES2486dc User Guide Tip You can change the settings back to their original configuration after installing QES. 6. In Qfinder Pro, double-click an uninitialized controller. The setup wizard opens. 7. Click Quick Setup. The Quick Setup window opens. 8. Specify a NAS name and password. Field Requirements NAS name • Length: 1-14 characters • Valid characters: A-Z, a-z, 0-9 • Valid special characters: Hypen (-) • Not allowed: The last character is a hyphen (-) Password • Length: 5-64 characters • Valid characters: All ASCII characters 9. Specify the static IP address of the management port of each controller. Example: • LAN IP block: 10.8.13.xx • Controller 1 IP address: 10.8.13.62 • Controller 2 IP address: 10.8.13.78 10. Click Proceed. A confirmation message appears. Warning Clicking Confirm deletes all data on the drive before installing QES. 11. Click Confirm. The wizard installs QES and restarts the NAS. Warning Installing QES deletes all data on the drives. Back up your data before proceeding. 1. Power on the NAS. Installation and Configuration 42 • IP address: 169.254.1.10 • Subnet mask: 255.255.0.0 h. Click OK. Tip You must initialize any unused disks upon your next login. Installing QES Using Manual Setup ES2486dc User Guide 2. Connect the NAS to your local area network. 3. Run Qfinder Pro on a computer that is connected to the same local area network. Tip To download Qfinder Pro, go to https://www.qnap.com/utilities. 4. Locate the NAS in the device list. TipRefer to the device type and MAC address to identify the NAS. The device status is a question mark (?). If the computer is connected to the NAS through the management port, Qfinder Pro will also display the the details of Controller B. 5. Double-click an uninitialized controller. The setup wizard opens. 6. Click Quick Setup. The Quick Setup window opens. 7. Specify a NAS name and password. Field Requirements NAS name • Length: 1-14 characters • Valid characters: A-Z, a-z, 0-9 • Valid special characters: Hypen (-) • Not allowed: The last character is a hyphen (-) Password • Length: 5-64 characters • Valid characters: All ASCII characters 8. Specify DHCP as the IP address. 9. Click Proceed. A confirmation message appears. Warning Clicking Confirm deletes all data on the drive before installing QES. 10. Click Confirm. The wizard installs QES and restarts the NAS. Warning Installing QES deletes all data on the drives. Back up your data before proceeding. 1. Power on the NAS. Installation and Configuration 43 ES2486dc User Guide 2. Connect the NAS to your local area network. 3. Run Qfinder Pro on a computer that is connected to the same local area network. Tip To download Qfinder Pro, go to https://www.qnap.com/utilities. 4. Locate the NAS in the device list, and then double-click the name or IP address. The setup wizard opens. 5. Click Manual Setup. The Enter the NAS name and administrator’s password screen appears. 6. Specify a NAS name and password. Field Requirements NAS name • Length: 1-14 characters • Valid characters: A-Z, a-z, 0-9 • Valid special characters: Hypen (-) • Not allowed: The last character is a hyphen (-) Password • Length: 5-64 characters • Valid characters: All ASCII characters 7. Click Next. The Set the date and time screen appears. 8. Specify the time zone, date, and time. TipQNAP recommends connecting to an NTP server to ensure that the NAS follows the Coordinated Universal Time (UTC) standard. 9. Click Next. The Configure the network settings screen appears. 10. Select Obtain an IP address automatically (DHCP). 11. Click Next. The Cross-platform file transfer service screen appears. 12. Select the types of devices that you will use to access shared folders on the NAS. 13. Click Next. The Check system disk status screen appears. 14. Select a storage pool to install QES on. Important Once the installation process starts, the selected storage pool cannot be modified. Reinitialize the NAS before selecting a different disk group. 15. Click Next. The Summary screen appears. Installation and Configuration 44 Note You must initialize any unused disks upon your next login. Service Port Configuration The service port is the main point for hardware installation, configuration, and maintenance. Important Only use the service port when directed by QNAP technical support personnel. Storage Controller Service Port The storage controller service port is a RS-232 port with an RJ-11 connector. Use the appropriate cable/ adapter (e.g., RJ-11 to DB9, DB9 to USB, or RJ-11 to USB) to connect this port to your computer. The pin- outs are defined as follows: 16. Review the settings. 17. Click Apply. A confirmation message appears. Warning Clicking Confirm deletes all data on the drive before installing QES. 18. Click Confirm. The wizard installs QES and restarts the NAS. Pin Number Signal Description 1 Rx1 Receive Data of UART1 2 Tx1 Transmit Data of UART1 3 GND Ground 4 Rx2 Receive Data of UART2 ES2486dc User Guide Installation and Configuration 45 ES2486dc User Guide Pin Number Signal Description 5 Tx2 Transmit Data of UART2 6 GND Ground Configure the baud rate and character format of the PC or terminal to match these console port default characteristics: • 115200 baud rate • 8 data bits • 1 stop bit • No parity • Flow control: XON/XOFF • Default username/password: admin/admin Expansion Unit Service Port The expansion unit service port is an RS-232 port with a DB-9 (or DE-9) connector. The pin-outs are defined as follows: Pin Number Signal Description 1 NC No Connection 2 Rx Receive Data 3 Tx Transmit Data 4 NC No Connection 5 GND Ground 6 NC No Connection 7 NC No Connection Installation and Configuration 46 ES2486dc User Guide Pin Number Signal Description 8 NC No Connection 9 NC No Connection Configure the baud rate and character format of the PC or terminal to match these console port default characteristics: • 115200 baud rate • 8 data bits • 1 stop bit • No parity • Flow control: XON/XOFF • Default username/password: admin/admin Management Port Configuration Management is provided by the Intel® i210 Gigabit Ethernet controller. The management port allows you to connect to the QES desktop of the ES2486dc. The default ES2486dc management website is 169.254.100.100:8080. If the NAS has been configured to use DHCP, you can use Qfinder Pro to check the IP address of the NAS. Make sure the NAS and the computer running Qfinder Pro are connected to the same subnet. The system requires that the management IP addresses are configured on both controllers and that the controllers’ management ports are connected to the management network. This should be a separate LAN or a VLAN because you should not use the production LAN or VLAN for management network traffic. To configure the management port IP address, refer to the QES User Guide. If one storage controller fails, you can enable takeover function from the High Availability app in QES to manage the system through the management port of the other storage controller with the same IP address. For more information, see the QES User Guide. The following diagrams illustrate management port connections. Installation and Configuration 47 ES2486dc User Guide Directly connected to a QES endpoint Multipath I/O Network Configuration Multipath I/O (MPIO) is a fault-tolerance technique where more than one physical network path is created between a server and a storage device such as a NAS. If any one network path goes down due to the failure of a switch, cable, or network card, the server can route I/O through the remaining network paths with no storage downtime. The ES2486dc supports MPIO on iSCSI connections using standard Ethernet infrastructure. The following diagram shows an example multipath I/O network configuration: Installation and Configuration 48 Connected to a QES endpoint using DHCP ES2486dc User Guide Important • Each QES data port must use a static IP address. • Each server and storage controller must be connected to at least two different physical switches on different subnets. • Use dedicated network switches or VLANs to separate iSCSI traffic from other network traffic. Installation and Configuration 49 ES2486dc User Guide 4. Troubleshooting This chapter describes basic troubleshooting information. Forcing Qfinder Pro to Locate the NAS If Qfinder Pro is unable to locate the NAS during QES installation, the drives or data may be faulty. 1. Power off the NAS. 2. Remove all drives. 3. Power on the NAS. 4. Locate the NAS using Qfinder Pro. 5. Reinsert the drives. 6. Continue with the QES installation. Hot-swapping Failed Drives The NAS supports hot-swapping of drives in the following situations. RAID Type Situation RAID 1 One member drive fails RAID 5 One member drive fails RAID 6 One or two member drives fail RAID 10 One or two member drives in two different pairs fail. RAID 50 One disk per subgroup fails. RAID 60 Two disks per subgroup fail. Triple Mirror One or two member drives fail. RAID-TP One, two, or three member drives fail. 1. Log on to QES as administrator. 2. Go to Main Menu > Storage Manager > Storage > Disks . 3. Locate the failed drive. 4. Prepare a new hard drive with a capacity that is the same as or larger than the failed hard drive. 5. Remove the failed drive from the NAS. 6. Wait for 20 seconds or until the NAS beeps twice. 7. Remove the failed drive from the drive tray. 8. Insert the new drive into the drive tray. 9. Install the new drive. The NAS beeps twice. 10. Go to Main Menu > Storage Manager > Storage Space . Troubleshooting 50 ES2486dc User Guide 11. Locate the volume that contains the new drive and then verify that the status is Rebuilding. Support and Other Resources QNAP provides the following resources: Resource URL Documentation https://docs.qnap.com Service Portal https://service.qnap.com Downloads https://download.qnap.com Community Forum https://forum.qnap.com Troubleshooting 51 5. Glossary QES QNAP NAS operating system Qfinder Pro QNAP utility that lets you locate and access QNAP NAS devices in your local area networkES2486dc User Guide Glossary 52 ES2486dc User Guide 6. Notices This chapter provides information about warranty, disclaimers, licensing, and federal regulations. Limited Warranty QNAP offers limited warranty service on our products. Your QNAP-branded hardware product is warranted against defects in materials and workmanship for a period of one (1) year or more from the date printed on the invoice. ("Warranty Period"). Please review your statutory rights at http://www.qnap.com/warranty, which may be amended from time to time by QNAP in its discretion. Disclaimer Information in this document is provided in connection with products of QNAP Systems, Inc. (the "QNAP"). No license, express or implied, by estoppels or otherwise, to any intellectual property rights is granted by this document. Except as provided in QNAP's terms and conditions of sale for such products, QNAP assumes no liability whatsoever, and QNAP disclaims any express or implied warranty, relating to sale and/or use of QNAP products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. 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Any attempt otherwise to propagate or modify it is void, and will automatically terminate your rights under this License (including any patent licenses granted under the third paragraph of section 11). However, if you cease all violation of this License, then your license from a particular copyright holder is reinstated (a) provisionally, unless and until the copyright holder explicitly and finally terminates your license, and (b) permanently, if the copyright holder fails to notify you of the violation by some reasonable means prior to 60 days after the cessation. Moreover, your license from a particular copyright holder is reinstated permanently if the copyright holder notifies you of the violation by some reasonable means, this is the first time you have received notice of violation of this License (for any work) from that copyright holder, and you cure the violation prior to 30 days after your receipt of the notice. Termination of your rights under this section does not terminate the licenses of parties who have received copies or rights from you under this License. If your rights have been terminated and not permanently reinstated, you do not qualify to receive new licenses for the same material under section 10. 10. Acceptance Not Required for Having Copies. You are not required to accept this License in order to receive or run a copy of the Program. Ancillary propagation of a covered work occurring solely as a consequence of using peer-to-peer transmission to receive a copy likewise does not require acceptance. However, nothing other than this License grants you permission to propagate or modify any covered work. These actions infringe copyright if you do not accept this License. Therefore, by modifying or propagating a covered work, you indicate your acceptance of this License to do so. 11. Automatic Licensing of Downstream Recipients. Each time you convey a covered work, the recipient automatically receives a license from the original licensors, to run, modify and propagate that work, subject to this License. You are not responsible for enforcing compliance by third parties with this License. Notices 58 ES2486dc User Guide An “entity transaction” is a transaction transferring control of an organization, or substantially all assets of one, or subdividing an organization, or merging organizations. If propagation of a covered work results from an entity transaction, each party to that transaction who receives a copy of the work also receives whatever licenses to the work the party's predecessor in interest had or could give under the previous paragraph, plus a right to possession of the Corresponding Source of the work from the predecessor in interest, if the predecessor has it or can get it with reasonable efforts. You may not impose any further restrictions on the exercise of the rights granted or affirmed under this License. For example, you may not impose a license fee, royalty, or other charge for exercise of rights granted under this License, and you may not initiate litigation (including a cross-claim or counterclaim in a lawsuit) alleging that any patent claim is infringed by making, using, selling, offering for sale, or importing the Program or any portion of it. 12. Patents. A “contributor” is a copyright holder who authorizes use under this License of the Program or a work on which the Program is based. The work thus licensed is called the contributor's “contributor version”. A contributor's “essential patent claims” are all patent claims owned or controlled by the contributor, whether already acquired or hereafter acquired, that would be infringed by some manner, permitted by this License, of making, using, or selling its contributor version, but do not include claims that would be infringed only as a consequence of further modification of the contributor version. For purposes of this definition, “control” includes the right to grant patent sublicenses in a manner consistent with the requirements of this License. Each contributor grants you a non-exclusive, worldwide, royalty-free patent license under the contributor's essential patent claims, to make, use, sell, offer for sale, import and otherwise run, modify and propagate the contents of its contributor version. In the following three paragraphs, a “patent license” is any express agreement or commitment, however denominated, not to enforce a patent (such as an express permission to practice a patent or covenant not to sue for patent infringement). To “grant” such a patent license to a party means to make such an agreement or commitment not to enforce a patent against the party. If you convey a covered work, knowingly relying on a patent license, and the Corresponding Source of the work is not available for anyone to copy, free of charge and under the terms of this License, through a publicly available network server or other readily accessible means, then you must either (1) cause the Corresponding Source to be so available, or (2) arrange to deprive yourself of the benefit of the patent license for this particular work, or (3) arrange, in a manner consistent with the requirements of this License, to extend the patent license to downstream recipients. “Knowingly relying” means you have actual knowledge that, but for the patent license, your conveying the covered work in a country, or your recipient's use of the covered work in a country, would infringe one or more identifiable patents in that country that you have reason to believe are valid. If, pursuant to or in connection with a single transaction or arrangement, you convey, or propagate by procuring conveyance of, a covered work, and grant a patent license to some of the parties receiving the covered work authorizing them to use, propagate, modify or convey a specific copy of the covered work, then the patent license you grant is automatically extended to all recipients of the covered work and works based on it. A patent license is “discriminatory” if it does not include within the scope of its coverage, prohibits the exercise of, or is conditioned on the non-exercise of one or more of the rights that are specifically granted under this License. You may not convey a covered work if you are a party to an arrangement with a third party that is in the business of distributing software, under which you make payment to the third party based on the extent of your activity of conveying the work, and under which the third party grants, to any of the parties who would receive the covered work from you, a discriminatory patent license (a) in connection with copies of the covered work conveyed by you (or copies made from those copies), or (b) primarily for and in connection with specific products or compilations that contain the covered work, unless you entered into that arrangement, or that patent license was granted, prior to 28 March 2007. Nothing in this License shall be construed as excluding or limiting any implied license or other defenses to infringement that may otherwise be available to you under applicable patent law. 13. No Surrender of Others' Freedom. Notices 59 ES2486dc User Guide If conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot convey a covered work so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not convey it at all. For example, if you agree to terms that obligate you to collect a royalty for further conveying from those to whom you convey the Program, the only way you could satisfy both those terms and this License would be to refrain entirely from conveying the Program. 14. Use with the GNU Affero General Public License. Notwithstanding any other provision of this License, you have permission to link or combine any covered work with a work licensed under version 3 of the GNU Affero General Public License into a single combined work, and to convey the resulting work. The terms of this License will continue to apply to the part which is the covered work, but the special requirements of the GNU Affero General Public License, section 13, concerning interaction through a network will apply to the combination as such. 15. Revised Versions of this License. The Free Software Foundation may publish revised and/or new versions of the GNU General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies that a certain numbered version of the GNU General Public License “or any later version” applies to it, you have the option of following the terms and conditions either of that numbered version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of the GNU General Public License, you may choose any version ever published by the Free Software Foundation. If the Program specifies that a proxy can decide which future versions of the GNU General Public License can be used, that proxy's public statement of acceptance of a version permanently authorizes you to choose that version for the Program. Later license versions may give you additional or different permissions. However, no additional obligations are imposed on any author or copyright holder as a result of your choosing to follow a later version. 16. Disclaimer of Warranty. THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 17. Limitation of Liability. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 18. Interpretation of Sections 16 and 17. If the disclaimer of warranty and limitation of liability provided above cannot be given local legal effect according to their terms, reviewing courts shall apply local law that most closely approximates an absolute waiver of all civil liability in connection with the Program, unless a warranty or assumption of liability accompanies a copy of the Program in return for a fee. Notices 60 END OF TERMS AND CONDITIONS CE Notice This QNAP NAS complies with CE Compliance Class A. FCC Notice FCC Class A Notice This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference. 2. This device must accept any interference received, including interference that may cause undesired operation. Important Any modifications made to this device that are not approved by QNAP Systems, Inc. may void the authority granted to the user by the FCC to operate this equipment. VCCI Notice ES2486dc User Guide この装置は、クラス A 情報技術装置です。この装置を家庭環境で使用すると電波 妨害を引き起こすことがあります。この場合には使用者が適切な対策を講ずるよう要求されることがありま す。 VCCI–A Notices 61 Note This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case the user will be required to correct the interference at his own expense. BSMI Notice 警告使用者:這是甲類的資訊產品,在居住的環境中使用時,可能會造成射頻干擾,在 這種情況下,使用者會被要求採取某些適當的對策。 SJ/T 11364-2006 ES2486dc User Guide 本产品符合中国 RoHS 标准。以下表格标示此产品中某有毒物质的含量符合中国 RoHS 标准规定的限量要求。 本产品上会附有”环境友好使用期限”的标签,此期限是估算这些物质”不会有泄漏或突变”的年限。本产品 可能包含有较短的环境友好使用期限的可替换元件,像是电池或灯管,这些元件将会单独标示出来。 部件名称 有毒有害物质或元素 铅(Pb) Notices 62 汞(Hg) 镉(Cd) 六价铬 (CR(VI)) 多溴联苯 (PBB) 多溴二苯醚 (PBDE) 壳体 0 0 0 0 0 0 显示 0 0 0 0 0 0 印刷电路板 0 0 0 0 0 0 金属螺帽 0 0 0 0 0 0 电缆组装 0 0 0 0 0 0 风扇组装 0 0 0 0 0 0 电力供应组装 0 0 0 0 0 0 电池 0 0 0 0 0 0 O: 表示该有毒有害物质在该部件所有物质材料中的含量均在 SJ/T11363-2006 标准规定的限量要求以下。 X: 表示该有毒有害物质至少在该部件的某一均质材料中的含量超出 SJ/T11363-2006 标准规定的限量要求。


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