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ES2486DC
User Manual
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Qnap ES2486DC User Manual

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
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
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
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
ES2486dc User Guide

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
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 24­bay 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 QNAP­authorized 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)
ES2486dc-2142IT-128G Intel® Xeon® D-2142IT 128 GB (64 GB per
controller)
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
Redundant
Redundant
Product Overview 4
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
ES2486dc User Guide
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
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
ES2486dc User Guide
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)
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.
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)
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
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)
Tip
Model specifications are subject to change without prior notice. To see the latest specifications, go to https://www.qnap.com.
ES2486dc User Guide

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

Front Panel

ES2486dc User Guide
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
No drive activity has been detected.
continuously or slowly
Flashing green The high activity on drive or drive being configured is
part of an array.
ES2486dc User Guide

Front Panel Buttons

Tip
Remove the front panel cover to access the front panel buttons.
Product Overview 9
ES2486dc User Guide
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.
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
Power off OLED display
Press the OLED panel power button.
Press the OLED panel power button.
The OLED display powers on.
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 • 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
ES2486dc User Guide
Icon Name Icon Description
Controller fan status • 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)
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
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 • 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
ES2486dc User Guide
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

Product Overview 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+)
Note
This port is only for engineering purposes.
6 Ethernet port 1 (GbE RJ45, management
13 Ethernet port 7 (10GbE SFP+)
port)
7 Ethernet port 3 (GbE RJ45) 14 Ethernet port 6 (10GbE SFP+)
Product Overview 14

Rear Panel LEDs

ES2486dc User Guide
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
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
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:
ES2486dc User Guide
10 Gigabit Ethernet port speed
10 Gigabit Ethernet port activity
1 Gigabit Ethernet port activity
• 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.
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.
Green The network link is active.
Flashing green The network link is active.
Off There is no network link.
Green The network link has been established.
Flashing green The network link is active.
Off There is no network link.
Product Overview 16
ES2486dc User Guide
LED Status Description
1 Gigabit Ethernet port speed
Green The network connection is operating at 1GbE.
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.
Force power off Press and hold the button for 10
seconds.
The storage controller powers off.
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
Product Overview 17
ES2486dc User Guide
Operation User Action Result
Advanced system reset Press and hold the button for 10
seconds.
The device performs a basic 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
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