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StorCentric Nexsan UNITY3300 Reference Manual

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HYPER-UNIFIED STORAGE
Nexsan Unity
Storage Expansion Reference Guide
Unity v. 7.0
NEXSAN
| 1289 Anvilwood Avenue | Sunnyvale, CA 94089 USA
Printed May 4, 2022 |
www.nexsan.com

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Summary of Contents for StorCentric Nexsan UNITY3300

  • Page 1 HYPER-UNIFIED STORAGE Nexsan Unity Storage Expansion Reference Guide Unity v. 7.0 NEXSAN | 1289 Anvilwood Avenue | Sunnyvale, CA 94089 USA Printed May 4, 2022 | www.nexsan.com...
  • Page 2 Copyright © 2010—2022 Nexsan Technologies, Inc. All rights reserved. Regulatory Compliance United States Statement for FCC: Nexsan 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.

  • Page 3: Table Of Contents

    Table of Contents About this document Audience Conventions Contacting Nexsan Notes, Tips, Cautions, and Warnings Related documentation Safety notices Chapter 1: Overview Storage capacities by Unity Storage System Connection and configuration options Components and features Front and top views Rear views Unity Storage Expansions About the SAS I/O controllers Making SAS connections...
  • Page 4 Contents Components not included in your package Installing a UNITY3300 or US316 Expansion in a rack Installing a UNITY7900, UNITY NV10000, or US224 Expansion in a rack Installing a U2G460 Expansion in a rack Installing disk drives in the UNITY3300 and US316 Expansion Installing disk drives in the US224 Expansion and UNITY7900 Installing disk drives in the UNITY NV10000 Installing disk drives in the U2G460 Expansion...

  • Page 5: About This Document

    About this document This Unity Storage Expansion Reference Guide provides information and steps for installing and connecting the following Nexsan Unity Storage Systems: Nexsan UNITY3300™ Storage System Nexsan UNITY7900™ Storage System Nexsan Unity NV10000™ Storage System Nexsan Unity Storage US224™ Expansion Nexsan Unity Storage US316™...

  • Page 6: Conventions

    Contents Conventions Here is a list of text conventions used in this document: Convention Description underline blue Cross-references, hyperlinks, URLs, and email addresses. boldface Text that refers to labels on the physical unit or interactive items in the graphical user interface (GUI).

  • Page 7: Notes, Tips, Cautions, And Warnings

    Contents Notes, Tips, Cautions, and Warnings Note Notes contain important information, present alternative procedures, or call attention to certain items. Tips contain handy information for end-users, such as other ways to perform an action. CAUTION: In hardware manuals, cautions alert the user to items or situations which may cause damage to the unit or result in mild injury to the user, or both.

  • Page 8: Safety Notices

    Contents Safety notices Always observe the following precautions to reduce the risk of injury and equipment damage: Computer components and disk drives are sensitive to static discharge. Take precautions to discharge any electrostatic charge from your person before and while handling components with your hands or any tools.

  • Page 9: Chapter 1: Overview

    Chapter 1 Chapter 1: Overview This document describes and explains how to install and monitor the Nexsan Unity Storage Systems: Nexsan UNITY3300™ Storage System Nexsan UNITY7900™ Storage System Nexsan Unity NV10000™ Storage System Nexsan Unity Storage US224™ Expansion Nexsan Unity Storage US316™ Expansion Nexsan Unity Storage U2G460™...

  • Page 10: Storage Capacities By Unity Storage System

    Storage capacities by Unity Storage System Storage capacities by Unity Storage System Here is a brief listing of maximum storage capacities by Unity Storage System. System capacity Unity Maximum Maximum Storage storage capacity storage capacity System with SSDs with HDDs Description UNITY3300 983 TB...

  • Page 11: Connection And Configuration Options

    Chapter 1: Overview Connection and configuration options This table lists the Unity Storage Systems and their supported Unity Storage Expansions. US224 US316 U2G460 Nexsan Unity Storage Systems Expansion Expansion Expansion UNITY3300 Up to 2 of any Up to 2 of any Up to 2 of any combined combined combined...

  • Page 12: Components And Features

    Components and features Components and features This section shows the main components and capacities available in Unity Storage Systems. Front and top views Rear views About the SAS I/O controllers About the power supply units (PSUs) About the disk drives and drive carriers Disk drive specifications Cable specifications Nexsan Unity Storage Expansion Reference Guide v.

  • Page 13: Front And Top Views

    Chapter 1: Overview Front and top views This section shows the Unity Storage Expansion front views with bezels removed, and the top view of the U2G460 Expansion. Figure 1-1: UNITY3300 Figure 1-2: UNITY7900, and US224 Expansion Figure 1-3: UNITY NV10000 Nexsan Unity www.nexsan.com...
  • Page 14 Components and features Figure 1-4: US316 Expansion Figure 1-5: U2G460 Expansion top view Nexsan Unity Storage Expansion Reference Guide v. 7.0 Unity 14...

  • Page 15: Rear Views

    Chapter 1: Overview Rear views This section shows the Unity rear views. Figure 1-6: UNITY3300 Item Name Description Power supply unit 1,200W redundant power supplies with PMBus Fan assembly 4x 80mm and 4x 40mm PWM cooling fans Redundant cooling On-board 10GigE LAN ports Right port: Primary data network interface (nx0 - optional) (2 per controller) Left port: Management Interface (nx99) and IPMI interface...
  • Page 16 Components and features Figure 1-7: UNITY7900 Item Name Description Power supply unit 1,200W redundant power supplies with PMBus Fan assembly 4x 80mm and 4x 40mm PWM cooling fans Redundant cooling On-board 10GigE LAN ports Right port: Primary data network interface (nx0 - optional) (2 per controller) Left port: Management Interface (nx99) and IPMI interface KVM connections...
  • Page 17 Chapter 1: Overview Figure 1-8: UNITY NV10000 Item Name Description Power supply unit 2,000W Titanium level power supply (redundant in device) Fan assembly Five 8-cm mid-mounted cooling fans and four 4-cm exhaust fans Dedicated IPMI LAN port Intelligent Platform Management Interface, for remote access, monitoring, and management USB 3.0 ports (2) Can support USB-enabled devices such as keyboard, mouse,...

  • Page 18: Unity Storage Expansions

    Components and features Unity Storage Expansions This section illustrates Unity Storage Expansions. Figure 1-9: US224 Expansion Item Name Description LAN Port Not used Storage unit status Green: Initialization successful Red: Initialization failure Unit ID status LED On/Off BMC Reset button Resets the base management controller SAS IN ports Serial Attached SCSI IN ports from the Storage System...
  • Page 19 Chapter 1: Overview Figure 1-10: US316 Expansion Item Name Description LAN Port Not used Storage unit status Green: Initialization successful Red: Initialization failure Unit ID status LED On/Off BMC Reset button Resets the base management controller SAS IN ports Serial Attached SCSI IN ports from the Storage System SAS OUT ports SAS OUT ports to another storage unit SAS link status LEDs...
  • Page 20 Components and features Figure 1-11: U2G460 Expansion Item Name Description Power supply Two 1,600W PSUs, hot swappable and redundant units AC Input voltage: 200-240V Rear fan: assemblies Top and bottom latch releases Internal power and I/O connector Hot swappable Toolless release IOM fan (installed in central chassis): Cools the enclosure IOM Toolless release...
  • Page 21 Chapter 1: Overview For more information, see: About the SAS I/O controllers on the next page About the power supply units (PSUs) on the next page About the disk drives and drive carriers on the next page Disk drive specifications on page 24 Cable specifications on page 25...

  • Page 22: About The Sas I/O Controllers

    Components and features About the SAS I/O controllers Unity Storage Systems and Unity Storage Expansions connect using HBA SAS I/O controllers on the back of the enclosures. Making SAS connections The UNITY NV10000 connects from the upper, add-on SAS ports to the lower on-board HBA SAS ports on the US224 Expansion or the U2G460 Expansion.
  • Page 23 Chapter 1: Overview Figure 1-13: US 316 drive slot numbers Figure 1-14: U2G460 Expansion drive slot numbers Nexsan Unity www.nexsan.com...

  • Page 24: Disk Drive Specifications

    Components and features Disk drive specifications Unity Storage System disk drives must be qualified by Nexsan and meet the specifications listed in this section. See also Technical specifications on page 87 and the product data sheets, available at Nexsan.com. US316 Expansion Disk drive specifications for these Unity storage expansions: Feature Description...

  • Page 25: Unity Nv10000

    Chapter 1: Overview UNITY NV10000 Feature Description Form factor 2U 2.5” front-loading Disk drives Supports up to 24 NVMe SSD drives NVMe 1DWPD SSDs | 1.92 TB | 3.84 TB | 7.68 TB| 15.36 TB Cascadable? Yes. See Connection and configuration options on page 11 Hot-swap/hot-plug support Interface...
  • Page 26 Components and features Any length The U2G460 can use passive cables (limited to 3m or less) or active cables (any length). Active cables must be used for U2G460 Data60 daisy chaining connections. For updated disk drive information or to purchase approved SAS cables, please contact your Nexsan sales representative or reseller.

  • Page 27: Chapter 2: Installing Unity Storage Systems

    Chapter 2 Chapter 2: Installing Unity Storage Systems This chapter explains how to install Unity Storage Systems. It includes these topics: Preparing for the installation Package contents Installing a UNITY3300 or US316 Expansion in a rack Installing a UNITY7900, UNITY NV10000, or US224 Expansion in a rack Installing a U2G460 Expansion in a rack Installing disk drives in the UNITY3300 and US316 Expansion Installing disk drives in the US224 Expansion and UNITY7900...

  • Page 28: Preparing For The Installation

    Preparing for the installation Preparing for the installation ► Before you begin: 1. Carefully read Safety notices on page 1. 2. Ensure ahead of time that you have chosen a suitable location for the enclosure and the rack; see Technical specifications on page 87.

  • Page 29: Unity7900 Storage System

    Chapter 2: Installing Unity Storage Systems Quantity Item description Power cords KVM cables Electrostatic discharge (ESD) wrist strap DVD containing the Discovery wizard and documentation UNITY7900 Storage System Your shipment includes these components: Quantity Item description UNITY7900 2U dual-controller chassis with 24-drive (2.5”) front bay enclosure (with front bezel) Rack mounting hardware Outer-rack rail assemblies (inner-chassis rails are already installed)

  • Page 30: Us224 Expansion

    Package contents Quantity Item description Outer-rack rail assemblies (inner-chassis rails are already installed) Mounting screws with 4 washers to attach outer-rack rails to the rack (1 on the front and 1 on the back for both the left and right rail assemblies) Long screws to secure the chassis to the rack from the front (attached to the chassis) Disk drives NVMe drives.

  • Page 31: Us316 Expansion

    Chapter 2: Installing Unity Storage Systems US316 Expansion Your shipment includes these components: Quantity Item description US316 Expansion 3U dual-controller storage expansion with 16-drive (3.5”) front bay enclosure (with front bezel) Rack mounting hardware Outer-rack rail assemblies (inner-chassis rails are already installed) Mounting screws with 4 washers to attach outer-rack rails to the rack (1 on the front and 1 on the back for both the left and right rail assemblies) Disk drives...

  • Page 32: Components Not Included In Your Package

    Package contents Quantity Item description Custom round washers to attach outer-rack rails to the rack (1 on the front and 1 on the back for both the left and right rail assemblies) Disk drives Up to 60 (3 Drive packs consist of 20 DATA drives. Up to 3 drive packs can be drive packs used in a U2G460.

  • Page 33: Installing A Unity3300 Or Us316 Expansion In A Rack

    Chapter 2: Installing Unity Storage Systems Installing a UNITY3300 or US316 Expansion in a rack CAUTION: Unity Storage Systems and Expansions are heavy. Physical installation requires two people. ► Step 1: Remove the front bezel 1. Turn the keylock at the right end of the bezel to the unlock position. 2.
  • Page 34 Installing a UNITY3300 or US316 Expansion in a rack 3. Screw the rail to the rack using the mounting screws provided. The screws should be secured in the BOTTOM hole on the front and back of each rail assembly. ► Step 3: install the inner-rack rails (if necessary): 1.
  • Page 35 Chapter 2: Installing Unity Storage Systems 6. Repeat these steps for the RIGHT inner-rack rail. ► Step 3: Install the Unity Storage Expansion on the rack 1. Lift the chassis from each side—not from the front and back. 2. Line up the inner-rack (chassis) rails with the front of the outer-rack rails. Nexsan Unity www.nexsan.com...
  • Page 36 Installing a UNITY3300 or US316 Expansion in a rack 3. Slide the inner-rack rails into the outer-rack rails, keeping the pressure even on both sides. You have to depress the locking tabs when inserting. 4. When you push the chassis completely into the rack, you should hear the locking tabs click into position.

  • Page 37: Installing A Unity7900, Unity Nv10000, Or Us224 Expansion In A Rack

    Chapter 2: Installing Unity Storage Systems Installing a UNITY7900, UNITY NV10000, or US224 Expansion in a rack CAUTION: Unity Storage Systems and Expansions are heavy. Physical installation requires two people. ► Step 1: Remove the front bezel 1. Turn the keylock at the right end of the bezel to the unlock position. 2.
  • Page 38 Installing a UNITY7900, UNITY NV10000, or US224 Expansion in a rack 3. Screw the rail to the rack using the mounting screws provided with your hardware installation package. The screws should be secured in the MIDDLE hole of each of the rails. ►...
  • Page 39 Chapter 2: Installing Unity Storage Systems 6. Repeat these steps for the RIGHT inner-rack rail. ► Step 4: Install the Unity Storage Expansion on the rack 1. Lift the chassis from each side—not from the front and back. 2. Line up the inner-rack (chassis) rails with the front of the outer-rack rails. Nexsan Unity www.nexsan.com...
  • Page 40 Installing a UNITY7900, UNITY NV10000, or US224 Expansion in a rack 3. Slide the inner-rack rails into the outer-rack rails, keeping the pressure even on both sides. You have to depress the locking tabs when inserting. 4. When you push the chassis completely into the rack, you should hear the locking tabs click into position.

  • Page 41: Installing A U2G460 Expansion In A Rack

    Chapter 2: Installing Unity Storage Systems Installing a U2G460 Expansion in a rack CAUTION: Physical installation requires three people--two to move the enclosure into position in the rack, and one to guide and spot the others. ► Install the outer-rack rails on the rack: 1.
  • Page 42 Installing a U2G460 Expansion in a rack 3. Attach the outer rails to the rack. Pay special attention to which side is being installed. The embossed R is for the right side and L is for the left side. Right and Left refer to when you are facing the front of the rack.
  • Page 43 Chapter 2: Installing Unity Storage Systems f. Align the front of the rail with the holes on the rack posts that will receive the rails and pull the rail toward the holes until the toolless latching mechanism engages the rack. g.
  • Page 44 Installing a U2G460 Expansion in a rack ► Secure the cable tray (if necessary) 1. Secure the cable tray onto the enclosure using the included M3 x 8mm T10 Torx screws and the long T10 Torx screwdriver. These screws should be tightened to 3-5 in-lbf. The cable tray only needs to be installed if the number of cables being used is greater than 10.
  • Page 45 Chapter 2: Installing Unity Storage Systems 1. Install the upper CMA, orienting the elbow on the right hand side. 2. Align the crossbar with the mounting peg facing down and pointing toward the CMA mounting bracket. 3. Insert the peg on the underside of the crossbar into the slot on the CMA mounting bracket. Nexsan Unity www.nexsan.com...
  • Page 46 Installing a U2G460 Expansion in a rack 4. Swing the crossbar so that the thumbscrew lines up with the mounting hole on the opposite side of the enclosure. 5. Press the crossbar against the CMA mounting bracket and secure the crossbar in place by pressing and turning the thumbscrew clockwise until snug.
  • Page 47 Chapter 2: Installing Unity Storage Systems 7. Attach all of the connectors to the brackets on the rails and chassis. There should be one at the elbow side and two at the other end. 8. Slowly slide the enclosure forward to ensure the CMA arm is operating properly, then slide it back into the rack.
  • Page 48 Installing a U2G460 Expansion in a rack ► Install the U2G460 on the rack CAUTION: This step in the installation requires a minimum of 3 individuals to install safely, two to lift and one to guide the others whom may have difficulty seeing because the enclosure is in the way.
  • Page 49 Chapter 2: Installing Unity Storage Systems 2. Team lift the U2G460 chassis from the sides—not from the front and back. 3. Line up the inner-chassis rails with the extended rack rails, until the rail locks engage. 4. Locate the blue tabs on each of the inner rails, and slide them towards the front of the chassis. Push on the chassis, pushing the U2G460 completely into the rack;...

  • Page 50: Installing Disk Drives In The Unity3300 And Us316 Expansion

    Installing disk drives in the UNITY3300 and US316 Expansion Installing disk drives in the UNITY3300 and US316 Expansion This section explains how to install the disk drives in the UNITY3300 and US316 Expansion. CAUTION: Put on the ESD wrist strap before starting: 1.
  • Page 51 Chapter 2: Installing Unity Storage Systems ► What's Next: Connecting and powering on on page 55 Nexsan Unity www.nexsan.com...

  • Page 52: Installing Disk Drives In The Us224 Expansion And Unity7900

    Installing disk drives in the US224 Expansion and UNITY7900 Installing disk drives in the US224 Expansion and UNITY7900 This section explains how to install the SAS disk drives in the US224 Expansion and UNITY7900. CAUTION: Put on the ESD wrist strap before starting: 1.

  • Page 53: Installing Disk Drives In The Unity Nv10000

    Chapter 2: Installing Unity Storage Systems Installing disk drives in the UNITY NV10000 This section explains how to install the NVMe disk drives in the UNITY NV10000. CAUTION: Put on the ESD wrist strap before starting: 1. Slip the wrist loop over your hand (left or right), then tighten the loop against your wrist. 2.

  • Page 54: Installing Disk Drives In The U2G460 Expansion

    Installing disk drives in the U2G460 Expansion Installing disk drives in the U2G460 Expansion This section explains how to install the SAS disk drives in the U2G460 Expansion. CAUTION: Put on the ESD wrist strap before starting: 1. Slip the wrist loop over your hand (left or right), then tighten the loop against your wrist. 2.

  • Page 55: Chapter 3: Connecting And Powering On

    Chapter 3 Chapter 3: Connecting and powering on This chapter explains how to connect and power on Unity Storage Systems. The chapter includes these topics: Connecting a US224 Expansion to a UNITY7900 Connecting a US316 Expansion to a UNITY3300 Connecting a U2G460 Expansion to a UNITY7900 Connecting a U2G460 Expansion to a UNITY NV10000 Cascade configurations Connecting the power cords...

  • Page 56: Connecting A Us224 Expansion To A Unity7900

    Connecting a US224 Expansion to a UNITY7900 Connecting a US224 Expansion to a UNITY7900 The UNITY7900 can be connected to the US224 Expansion Storage Expansion. ► To connect a US224 Expansion: On each Unity Storage System controller, cross-connect SAS cables from the Add-on HBA SAS OUT ports to the HBA SAS IN ports on the Unity Storage Expansion controllers, as shown.

  • Page 57: Connecting A Us316 Expansion To A Unity3300

    Chapter 3: Connecting and powering on Connecting a US316 Expansion to a UNITY3300 The UNITY3300 can be connected to up to three US316 Expansion units . ► To connect a US316 Expansion: On each Unity Storage System controller, cross-connect SAS cables from the Add-on HBA SAS OUT ports to the HBA SAS IN ports on the Unity Storage Expansion controllers, as shown.

  • Page 58: Connecting A U2G460 Expansion To A Unity7900

    Connecting a U2G460 Expansion to a UNITY7900 Connecting a U2G460 Expansion to a UNITY7900 The UNITY7900 can be connected to up to eight Unity Storage Expansions. See also: Cascade configurations on page 62 ► To connect a U2G460 Expansion: On each Unity Storage System controller, cross-connect SAS cables from the Add-on HBA SAS OUT ports to the HBA SAS IN ports on the Unity Storage Expansion controllers, as shown.
  • Page 59 Chapter 3: Connecting and powering on Figure 3-2: UNITY7900 connected to the U2G460 Expansion ► What's Next: Cascade configurations on page 62 Connecting the power cords on page 65 Nexsan Unity www.nexsan.com...

  • Page 60: Connecting A U2G460 Expansion To A Unity Nv10000

    Connecting a U2G460 Expansion to a UNITY NV10000 Connecting a U2G460 Expansion to a UNITY NV10000 The UNITY NV10000 can be connected to up to eight Unity Storage Expansions. See also: Cascade configurations on page 62 ► To connect a U2G460 Expansion: On each Unity Storage System controller, cross-connect SAS cables from the Add-on HBA SAS OUT ports to the HBA SAS IN ports on the Unity Storage Expansion controllers, as shown.
  • Page 61 Chapter 3: Connecting and powering on ► What's Next: Cascade configurations on the next page Connecting the power cords on page 65 Nexsan Unity www.nexsan.com...

  • Page 62: Cascade Configurations

    Cascade configurations Cascade configurations You can connect multiple Unity Storage Expansions in almost any combination to the UNITY NV10000 Storage System. To take advantage of redundancy, the first two Unity Storage Expansions must be cross-connected to the SAS add-on ports on the Unity Storage System, and the rest can be connected in parallel. With the UNITY NV10000, you can connect up to eight storage expansions Note For more details about connecting Nexsan Unity Storage Expansions, please consult your Quick Start...

  • Page 63: Cascading The Unity Nv10000 Storage System

    Chapter 3: Connecting and powering on Cascading the UNITY NV10000 Storage System You can cascade (daisy chain) up to eight Unity Storage Expansion to the UNITY NV10000. Connect the first two storage expansions directly to the four SAS add-on ports on the UNITY NV10000, and then daisy- chain from those expansions, as shown in UNITY NV10000 cascade example with two U2G460 Expansions...
  • Page 64 Cascade configurations Figure 3-4: UNITY NV10000 cascade example with two U2G460 Expansions ► What's Next: Connecting the power cords on the facing page Nexsan Unity Storage Expansion Reference Guide v. 7.0 Unity 64...

  • Page 65: Connecting The Power Cords

    Chapter 3: Connecting and powering on Connecting the power cords This section describes typical power connections. CAUTION: Use only the power cords supplied with the Unity Storage Expansion. Do not use another type of cord or extension cords. If you require additional power cords, please contact your Nexsan sales representative or reseller.

  • Page 66: Powering On

    Powering on Powering on Unity Storage Expansions must be powered on first and allowed to complete drive spin-up and discovery prior to powering on the Unity Storage System for the first time. Discovery is complete once the drive LEDs stop flashing. The Unity Storage System is hot pluggable: Once in service, powering down is not normally required to add a Unity Storage Expansion.

  • Page 67: Chapter 4: Monitoring

    Chapter 4 Chapter 4: Monitoring This chapter describes the status and activity LEDs that help you monitor the Nexsan Unity Storage Systems and Unity Storage Expansions. The Chapter includes these topics: Monitoring power supply units Monitoring enclosures Monitoring controllers Monitoring disk drives Nexsan Unity www.nexsan.com...

  • Page 68: Monitoring Power Supply Units

    Monitoring power supply units Monitoring power supply units This section documents PSU status LEDs for the following Unity Storage Expansions: US224 Expansion US316 Expansion U2G460 Expansion When a failure occurs on a power supply unit, the enclosure LEDs indicate an enclosure fault. Always check the PSU status whenever the enclosure LEDs indicate a fault.
  • Page 69 Chapter 4: Monitoring Figure 4-4: U2G460 Expansion rear power and AC Input LEDs Nexsan Unity www.nexsan.com...

  • Page 70: Monitoring Enclosures

    Monitoring enclosures Monitoring enclosures CAUTION: If the power fail LED comes on, or if the fan fail LED starts flashing on either controller, replace the component as described in Replacing a controller on page 79. All Unity Storage Systems feature redundant PSUs, accessed from the rear of the unit. Each PSU has one or more status LEDs.
  • Page 71 Chapter 4: Monitoring Description Power failure Indicates a power supply module as failed. The second power supply module will take the load and keep the system running but the failed module will need to be replaced. This LED is OFF when the system is operating normally. Overheat/fan failure When this LED flashes, it indicates a fan failure.

  • Page 72: Monitoring Controllers

    Monitoring controllers Monitoring controllers When a fault condition occurs on a controller, the enclosure LEDs indicate an enclosure fault. Because the controllers are on the back of the Unity Storage Expansions where they may be hard to see, always check controller status whenever the enclosure LEDs indicate a fault.
  • Page 73 Chapter 4: Monitoring Figure 4-6: U2G460 Expansion back panel Table 4-2: U2G460 Expansion back panel LEDs Number Color LED name Description Green SAS link status Solid – SAS Cable Connected Off – SAS Cable Not Connected Amber SAS fault Blink @ 1 Hz – SAS connection fault status Off –...

  • Page 74: Monitoring Disk Drives

    Monitoring disk drives Monitoring disk drives Each Unity Storage Expansion disk drive carrier has LEDs that indicate the status of the disk drive. If a drive fails, replace the drive as described in Removing a disk drive on page 80. Note If replacing a disk drive does not resolve a fault or failure indicated by LED 2, replace the I/O controller;...
  • Page 75 Chapter 4: Monitoring Table 4-3: Drive carrier LEDs Indication Green A steady green LED indicates the drive is powered on. If this LED is not lit, the drive is not getting power. If this LED is flashing, the drive is being accessed (read or write).
  • Page 76 Monitoring disk drives Nexsan Unity Storage Expansion Reference Guide v. 7.0 Unity 76...

  • Page 77: Chapter 5: Solving Problems

    Chapter 5 Chapter 5: Solving problems This chapter describes how to remove and replace failed or failing components of the Unity Storage Expansions. It includes these topics: General troubleshooting tips Powering down Replacing a controller Removing a disk drive Replacing a PSU Removing a Unity Storage Expansion Nexsan Unity www.nexsan.com...

  • Page 78: General Troubleshooting Tips

    General troubleshooting tips General troubleshooting tips Use these tips if you encounter difficulties installing or using your Unity Storage System or Unity Storage Expansion, Check all components on the enclosure—disk drives, power supply units, I/O controllers—for illuminated Fault LEDs. See Monitoring enclosures on page 70 for more information.

  • Page 79: Powering Down

    Chapter 5: Solving problems Powering down This section describes the power down sequence for Unity Storage Expansions and Unity Storage Systems. Note The Unity Storage System should be shut down before the Unity Storage Expansions during a power down sequence. You can do this from Nexsan Unity or from the nxadmin Command-line Interface (CLI) on Unity;...

  • Page 80: Removing A Disk Drive

    Removing a disk drive 7. If necessary, power on your equipment in this order: a. Power on the Unity Storage Expansion. b. Power on Unity. Removing a disk drive If you will be installing a replacement disk drive, allow it to acclimate to room temperature before continuing. Note For disk drive installation instructions, see Installing Unity Storage Systems...

  • Page 81: Replacing A Psu

    Chapter 5: Solving problems 3. If the enclosure is powered on, in the case of HDDs, allow the disk drive to fully spin down (wait approximately 30 seconds). CAUTION: Removing a disk drive before it has fully spun down may result in disk drive damage and possible personal injury.

  • Page 82: Removing A Unity Storage Expansion

    Removing a Unity Storage Expansion When proper airflow returns, the cooling fans in the other PSU return to their normal speed. Removing a Unity Storage Expansion This section describes how to disconnect a Unity Storage Expansion from an Unity or another Nexsan Unity Storage Expansion.
  • Page 83 Chapter 5: Solving problems 3. Click the Delete Pool button. The Delete Storage Pool confirmation popup opens. Figure 5-1: Delete Pool popup 4. Type Delete in the text box. 5. Click Delete to delete the storage pool. Nexsan Unity www.nexsan.com...

  • Page 84: Removing A Unity Storage System

    Removing a Unity Storage Expansion Removing a Unity Storage System Use this procedure to remove a Unity Storage System. CAUTION: This action will permanently remove the storage system from the Unity System; if you proceed, the storage system will no longer be allocated to the Unity System. As part of the removal process, you can specify whether or not you want Unity to delete all existing volumes (RAID sets) on the storage system, or leave them intact.
  • Page 85 Chapter 5: Solving problems 2. In the row containing the system you that want to remove, click the Remove System icon . The Remove Storage System window opens. Figure 5-3: Remove Storage System window 3. Choose one of the following: Delete volumes: With this option, you remove existing RAID configurations.
  • Page 86 Removing a Unity Storage Expansion Nexsan Unity Storage Expansion Reference Guide v. 7.0 Unity 86...

  • Page 87: Appendix A: Technical Specifications

    Chapter A Appendix A: Technical specifications This chapter lists the technical specifications of the Nexsan Unity Storage Expansions. It includes these topics: US224 Expansion general specifications US316 Expansion general specifications U2G460 Expansion general specifications Nexsan Unity www.nexsan.com...

  • Page 88: Us224 Expansion General Specifications

    US224 Expansion general specifications US224 Expansion general specifications This section describes the US224 Expansion hardware specifications. Hardware component Specifications System up to 24, 2.5” SSD drives Rail kit mounting 2U enclosure height Cable specifications: 19.6''( 500 mm) minimum 118.1'' (3000 mm) maximum Field Replaceable Units Disk drives and drive carrier blanks (FRU)

  • Page 89: Us316 Expansion General Specifications

    Appendix A: Technical specifications US316 Expansion general specifications This section describes the US316 Expansion hardware specifications. Hardware component Specifications System Up to 16 drives with 3.5'' SAS or SSD disk drives Rail kit mounting 3U enclosure height The rack must have square holes Maximum distances: 30"...

  • Page 90: U2G460 Expansion General Specifications

    U2G460 Expansion general specifications U2G460 Expansion general specifications This section describes the U2G460 Expansion hardware specifications. Hardware Specifications component System Up to 60 top-loading, hot swappable 3.5" drives, SAS 3 I/O controllers. Minimum 20 HDDs per enclosure. Rail kit 4U enclosure height mounting Cable specifications: 19.6'' ( 500 mm) minimum...

  • Page 91: Appendix B: Regulatory Compliance

    Appendix B Appendix B: Regulatory compliance This chapter includes these topics: Regulatory compliance statements Regulatory agency compliance Nexsan Unity www.nexsan.com...

  • Page 92: Regulatory Compliance Statements

    Regulatory compliance statements Regulatory compliance statements Nexsan Unity Storage Expansions conform to the following Regulatory Agency requirements: Category Range Temperature Operating: 5 °C to +40 °C Storage: 1°C to +60 °C Transit: -40°C to +60 °C Maximum Rate of Temperature Change: 20 °C per hour Humidity Relative Humidity Operating: 20% to 80%, non-condensing Maximum Rate of Operational Humidity Change: 10% per hour...

  • Page 93: Regulatory Agency Compliance

    Appendix B: Regulatory compliance Regulatory agency compliance Nexsan Unity Storage Expansions comply with the following Regulatory Agency requirements: Standard Certifications Product safety standards UL60950 Information Technology Equipment (US) CSA C22.2 No 60950 Information Technology Equipment (Canadian Law) EN 60950 Information Technology Equipment (European Norm) IEC60950 Information Technology Equipment Product safety third party certifications...
  • Page 94 Regulatory agency compliance Standard Certifications CENELEC EN61000-4-6 Conducted Immunity CENELEC EN61000-4-8 Power Frequency Magnetic Fields CENELEC EN61000-4-11 Power Line Interruption EN61000-3-2 Harmonic current emissions EN61000-3-3 Voltage fluctuations and flicker Certification marks The Unity Storage Expansion is labeled with the following compliance marks: United States FCC standard, 47 CFR Part 15 Canadian standard, Industry Canada ICES-003 CE Mark...
  • Page 95 Nexsan Headquarters Nexsan Canada 1289 Anvilwood Avenue 1405 Trans Canada Highway, Suite 300 Sunnyvale, CA 94089 Dorval, QC H9P 2V9 United States of America Canada Nexsan UK Units 33–35, Parker Centre, Mansfield Road Derby, DE21 4SZ United Kingdom Nexsan Unity Documents & Downloads page: Nexsan Unity support: https://helper.nexsansupport.com/unt_support https://helper.nexsansupport.com/unt_support...

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