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Accusys ExaSAN SWF16 V2 User Manual

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ExaSAN SWF16 V2

User Guide

Support Host Bus Adapter:
 PCIe 2.0: Z1M-G2
 PCIe 3.0: Z2M-G3
Support Host Convertor:
 Thunderbolt2.0 to PCIe2.0: C1M-G2
Support RAID system:
 PCIe 2.0: A12S2-PS
 PCIe 3.0: B08S3-PS, A08S3-PS, A16S3-PS
Accusys Storage Ltd.
2014
Version: V1.3

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Summary of Contents for Accusys ExaSAN SWF16 V2

  • Page 1: User Guide

    ExaSAN SWF16 V2 User Guide Support Host Bus Adapter:  PCIe 2.0: Z1M-G2  PCIe 3.0: Z2M-G3 Support Host Convertor:  Thunderbolt2.0 to PCIe2.0: C1M-G2 Support RAID system:  PCIe 2.0: A12S2-PS  PCIe 3.0: B08S3-PS, A08S3-PS, A16S3-PS Accusys Storage Ltd.
  • Page 2 Revision Sheet Revision Sheet Release Date Revision Description V1.0 12/08/2014 Initial release V1.2 02/09/2014 Update V1.3 14/10/2014 Add C1M-G2, Add chapter plan you SAN Add appendixB RAIDGuard X introduction Correct contents User Guide Page i...
  • Page 3 This indicates the existence of a potential hazard that could result in personal injury, damage to your equipment or loss of data if the safety instruction is not observed. Note This indicates useful tips on getting the most from your Accusys ExaSAN RAID system. User Guide Page ii...
  • Page 4 All contents of this manual are copyrighted by Accusys, Inc. The information contained herein is the exclusive property of Accusys Storage Ltd. and shall not be copied, transferred, photocopied, translated on paper, film, electronic media, or computer- readable form, or otherwise reproduced in any way, without the express written permission of Accusys Inc.
  • Page 5 SWF16 V2 Rear Panel ......................1-5 Plan a SAN ..........................1-7 What Else You Need ....................... 1-8 Preparing to Install ExaSAN SWF16 V2 ..................2-1 Precaution for Handling the System ..................2-1 Choosing the Location for the System .................. 2-1 Electrical Power ........................2-1 Operating Environment ......................
  • Page 6 TABLE OF CONTENTS 3.3.3.2 Confirming on Windows ......................3-11 3.3.4 Confirming LED of HBA .........................3-11 Using Switch Web GUI ........................4-1 ExaSAN ........................... 4-2 4.1.1 User name and Password ........................4-2 4.1.2 Configuration menu - Overview ......................4-2 4.1.2.1 Quick Setup ..........................4-3 4.1.2.2 Event Management ........................4-4 4.1.2.3 System Management .........................4-5...
  • Page 7 TABLE OF CONTENTS Email Notification ............................6-11 Preference ...............................6-12 Disk Lag Proof Mode ..........................6-12 NCQ ................................6-13 SMART Mode ............................6-13 Beeper ................................6-14 Equalization Mode .............................6-14 Cache ................................6-15 MISC ................................6-16 Option ................................6-17 Slicing ................................6-17 LUN Map ..............................6-19 Expansion ..............................6-20 Migrations ..............................6-22 Snapshot ..............................6-24 Health Center..............................6-27 Unlock Drives ............................6-28 Appendix C: Customer Service and Support ..................
  • Page 8 1. Introduction Introducing ExaSAN PCIe2.0 switch User Guide...

  • Page 9: Introducing Exasan Pcie2.0 Switch

    Overview 1.1.1 What is the ExaSAN Solution Developed by Accusys Storage Ltd., a worldwide leader in RAID (Redundant Array of Independent Disks) storage systems, ExaSAN (pronounced “X-sa-SAN”) is a family of storage and switch products that take advantage of well known PCIe (PCI Express) technology speeds, standards, and roadmap.

  • Page 10: Exasan Switch Swf16 V2 Features

    1.1.2 ExaSAN Switch SWF16 V2 Features The ExaSAN SWF16 V2 is PCIe 2.0 SAN switch in a 1U rackmount enclosure employing the latest PCIe2.0 technology with support for 12 PCIe clients and 4 PCIe RAID storages. The total bandwidth of SWF16 V2 is up to 80 Gb/s.

  • Page 11: What's In The Box

    1. Introduction  Linux: Red Hat, SUSE, Fedora, CentOS, etc.  MAC: OS X( 10.5, 10.6, 10.7, 10.8, 10.9 and later) 7. Operating Conditions  Humidity: 5% - 85%  Operating Temperature: 0degC – 40degC  Certification: RoHS, UL, CE, FCC, C-Tick, BSMI 8.

  • Page 12: Your Swf16 V2 At A Glance

    1. Introduction 1.3 Your SWF16 V2 at a Glance This section helps you get familiar with the physical appearance of your ExaSAN SWF16 V2 1.3.1 ExaSAN SWF16 V2 1.3.1.1 SWF16 V2 Front Panel Item Name Color Description Flashing Blue indicates the host is booting.

  • Page 13: Mirror Device Indicators

    1. Introduction 1.3.1.3 Mirror device Indicators Front view of the mirror device Table of LED Status Status indicator Access indicator Disk status Green Disk is properly installed Green On/flash (Yellow) Disk is being accessed No disk installed or disk failure Flash (Red/Green) On/flash (Yellow) Disk is rebuilding...
  • Page 14 1. Introduction Cooling fan Prevents the switch from overheating. Debug port For engineer debugging. Controls webGUI of the SWF16 V2 through eth0 Ethernet port this port. The default IP is “192.168.0.25” (Management Port) For MDC private port, default IP is eth1 Ethernet port “192.168.1.25”...
  • Page 15 SAN, following is a sample chart of SAN environment. Please contact to your reseller for support, or fill out the form by below link and send to Accusys support for consult.

  • Page 16: What Else You Need

    2. Host computer with ExaSAN HBA: Host workstation or server with an available PCIe2.0 x4(for Z1M-G2) or PCIe3.0 x8 (for Z2M-G3) slot to install the ExaSAN HBA. Note Accusys cannot guarantee ExaSAN product compatibility with all workstations and motherboards on the market, so please check with your supplier before installation.
  • Page 17 1. Introduction User Guide Page 1-9...
  • Page 18 2. Preparation Preparing to Install ExaSAN SWF16 V2 User Guide...

  • Page 19: Preparing To Install Exasan Swf16 V2

    5. Allow additional room at the front and back of the unit for service. 6. The ExaSAN SWF16 V2 uses several cables and cords. It’s a good idea to determine how they will be arranged at the rear of the system, and where the cables will be routed to connect to the host systems and RAID disk systems.

  • Page 20: Operating Environment

    Non-operating temperature: -40°C to 70°C (-40°F to 158°F) c. Operating humidity: 5-85%, non-condensing d. Storage humidity: 0-95%, non-condensing 2.5 Security To ensure the security of the ExaSAN SWF16 V2, make certain that the chosen location meets your security requirements. User Guide Page 2-2...
  • Page 21 3. Installation Installing the ExaSAN SWF16 V2 User Guide...

  • Page 22: Installing The Exasan Swf16 V2

    3. Installation Installing the ExaSAN SWF16 V2 Follow the steps in this chapter to prepare your ExaSAN SWF16 V2 for installation. 3.1 Hardware installation Follow the instructions in this section to hook up all your hardware components of the ExaSAN SWF16 V2, Do not turn the power of any individual component on until instructed.

  • Page 23: Installing Host To Client Port

    1. Install HBA or convertor to host, then connecting QSFP cable into SAN port (or SAN mode) you may have few configurations as below; a. Host with Z1M-G2, refer to manual guide by below link: http://www.accusys.com.tw/products/accessories/hba-cable/document.html b. Host with Z2M-G3, refer to manual guide by below link: http://www.accusys.com.tw/products/accessories/hba-cable/document.html c.

  • Page 24: Connecting To Lan Port And Power Cord

    3. Installation 3.1.3 Connecting to LAN port and power cord 1. Insert the Ethernet cable into eth0 (management port) and eth1 (private port for MDC) on the SWF16 V2. The default IP addresses are 192.168.0.25 and 192.168.1.25., respectively. Connecting the Ethernet cable to eth0 and eth1 2.

  • Page 25: Powering The System On And Off

    3. Installation 3.2 Powering the System On and Off 3.2.1 Powering On Before powering on, make sure that all QSFP cables and power cords are properly installed and connected, following steps is procedure to power on SAN; Step1. Power on all RAID systems (if there is JBOD connected, power on JBOD then RAID system) sounds a short beep to ready, refer to RAID system usual guide for more detail.

  • Page 26: Powering Off

    3. Installation 3.2.2 Powering Off If you need to power off the SAN, such as when switch or RAID system requires firmware updates, adding a RAID system or client computer, power off in the reverse order of Powering Step1. Power off SAN client workstation. Step2.

  • Page 27: Installing Driver And Raidguard X

    Installation files can be found in DVD of accessory, you can also download the latest version from our website if necessary, check the website if any new version (http://www.accusys.com.tw/support/download.html). Note  For Mac/Windows platform: Executing installer package to install driver and GUI at the same time.

  • Page 28: Installing On Linux

    3. Installation 3.3.2 Installing on Linux 3.3.2.1 Driver Installation You must have your Linux system with developmental environment and kernel source, in other words you should select the adequate packages on the menu list during installation. Check “Development Tools” Then click “Optional Packages” to select all packages when you install your Linux OS.

  • Page 29: Raidguardx Installation

    3.3.2.2 RAIDGuardX Installation Before installing RAIDGuard X, make sure the RAID HBA drivers is already installed in your Linux OS. 1. Find out GC (RAIDGuardX Client) in DVD or download from Accusys website: http://www.accusys.com.tw/support/download.html. GC location: /ForSAN/{switch model}/GUI/Client/x.x.x.zip 2. Unzip files to a particular directory, for example /Accusys/GC.
  • Page 30 5. Use java command to open GC console. # cd /Accusys/GC/x.x.x./x.x.x/ # java –jar RAIDGuardX.jar 6. Drop in controller tab, click Manually Add Controller. Key in switch IP address (default is 192.168.0.1) and press Search to browse RAID controller connected on switch.

  • Page 31: Confirming Exasan Driver On Os

    3. Installation 3.3.3 Confirming ExaSAN driver on OS Here provides the way to check driver status on MacOS and Windows. If you want to check on Linux platform, please providing completed Linux kernel version and mail to technical support for help. 3.3.3.1 Confirming on MacOS After installing the ExaSAN RAID system HBA driver on the Mac host server, confirm the driver has been properly installed with the following steps.

  • Page 32: Confirming On Windows

    3. Installation 3.3.3.2 Confirming on Windows After installing the ExaSAN RAID system HBA driver on a Windows based host server, confirm the driver has been properly installed. Go to Control Panel -> System Properties -> Hardware -> Device Manager (depending on the version of Windows, the path may vary).
  • Page 33 4. How to Use Using switch web GUI User Guide...

  • Page 34: Using Switch Web Gui

    4. How to Use Using Switch Web GUI After connected all ExaSAN components, powered all on, on a computer, typing IP address of switch to open webGUI for configuration. Note The default IP of eth0 is 192.168.0.25 and eth1 is 192.168.1.25. At main page of WebGUI that contents 2 parts, one is ExaSAN, another is SANit V2, shown as below, click on the icon to enter into management console.

  • Page 35: Exasan

    4. How to Use 4.1 ExaSAN Click the ExaSAN icon, switch webGUI page will appear, shown as below. Following procedure will introduce how to configure and monitor. 4.1.1 User name and Password The default user name and password is “admin” and “00000000” (8 zeros). Please type the user name and password to enter the configuration menu of the web GUI as the following figure.

  • Page 36: Quick Setup

    4. How to Use 4.1.2.1 Quick Setup If you haven’t created arrays in your ExaSAN storages that have been connected with SWF16 V2, you could create arrays in the ExaSAN storages by “Quick Setup” function as following screen. Note Quick Setup function just creates arrays for RAID systems, but not JBOD. Step 1: Choosing RAID level.

  • Page 37: Event Management

    4. How to Use 4.1.2.2 Event Management Log is the very important clue to analyze root caused when user meet some problem around the SAN environment. SWF16 V2 web GUI provides the function to download the log of the SWF16 Step 1: To click “Event Management”, then clicking “Download”...

  • Page 38: System Management

    4. How to Use 4.1.2.3 System Management There are several functions in “System Management”. It includes  Network  Time  Security Control  Firmware Update  Restart/Halt 4.1.2.3.1 Configuring the network – “Network” Users can use “NIC” option to choose “eth0” or “eth1” and then setup the parameters. We strongly recommend using eth0 as public network for communicating with other computer, which is not in the ExaSAN SAN environment and eth1 as private network for ExaSAN SAN environment.

  • Page 39: Changing Swf16 V2 Time – "Time"

    4. How to Use  Disable “eth1”: Checking the box in front of “Disable eth1” to disable eth1 port.  MAC address: User can find the MAC address of eth1 in the page  Assignment method: To setup or change the IP of eth1. The default IP address is “192.168.1.25”.

  • Page 40: Change Password – "Security Control"

    4. How to Use You can enter any intranet or internet NTP server. And then click “Apply” to process. For example: NTP server – clock.stdtime.gov.tw 4.1.2.3.5 Change Password – “Security Control” The only function in “Security Control” is to change login password for entering SWF16 V2 web GUI.
  • Page 41 Before you start to update the firmware of SWF16 V2, please power off all of the clients or host that connected to the SWF16 V2.  Download File from website http://www.accusys.com.tw/support/download.html, the directory is /ForSAN/{switch}/System Code/xxx.zip, unzip it. To click “Choose File” Selecting firmware file, click “Apply” to continue the processing Then pop up a confirmation window.

  • Page 42: Restart / Shutdown

    4. How to Use Note It would take about 30 minutes for completely updating. Please check the processing bar to ensure it works fine in the period. Update firmware successfully 4.1.2.3.7 Restart / Shutdown Use this function to restart the SWF16 V2. ...
  • Page 43 4. How to Use Function Description go to “View Mode” to check more information Go to View Mode Clicking the icon to logout “Config Mode” Logout Config Mode Help Users can find out some information About the switch About the switch version Config Mode The web GUI is in the configuration mode FW version...
  • Page 44 4. How to Use Function Description Voltage Check the voltage status Check the FAN speed status Temperature Check the current temperature The web GUI is in “View Mode” View Mode When users click “Voltage” icon, the web GUI would pop up a window as following When users click “FAN”...

  • Page 45: Sanit V2

    4. How to Use 4.2 SANit V2 Click the SANit V2 icon on the main page, a SANit V2 login page will appear. Following procedure will introduce how to configure and monitor. Select Language, enter User Name (Default user name is admin) and Password (Default password is 00000000,”eight zeros”), and then click Log In.

  • Page 46: Import License

    4. How to Use 4.2.1 Import License SANit V2 software will need one valid license to activating. If license is expired, SANit V2 will stop to work and all data will not be readable. In this section will guide how to get a valid license. 4.2.1.1 Apply and Import License If you are first install or want to extent more clients, you will need to import valid license file, that can be applied from manufacturer for your purpose.
  • Page 47 4. How to Use Step 5: Click “Evaluate” to verify the license. Step 6: Confirm the information and then “Import” to import the official licensed File. User Guide Page 4-14...

  • Page 48: San Volume Creation (Quick Wizard)

    4. How to Use 4.2.2 SAN Volume Creation (Quick Wizard) In this section will guide how to create a shared SAN volume with all available RAID systems. Step 1: Select Quick Wizard from menu, confirm there are InneRAID(mirror drives) and all RAID system volumes are all listed at right page.
  • Page 49 4. How to Use Note Configure SAN volume in Quick Setup, if select more than one RAID system volumes, all volumes will be striped (RAID0) to get more capacity and performance. Warning Once performing Force Delete, all data will be destroyed and CANNOT be recovered.

  • Page 50: Add Client Ip

    4. How to Use 4.2.3 Add Client IP Add each client IP to join SAN group, or Client cannot be recognized by SANit V2 MDC. Step 1: Ensure client IP can “Ping” to switch. Step 2: In “Client Management”, click “Add” and enter client’s IP one by one. Note ...

  • Page 51: Install Sanit V2 Client Software

    4. How to Use 4.2.4 Install SANit V2 Client software SANit V2 Client software MUST be installed on client computer for communicating with SANit V2 MDC, client software of MacOS, Windows and Linux platform can be downloaded from SANit V2 console. The verified Operating Systems in Client are listed as below, if there is not you desired platform, contact to system reseller/provider for technical support.

  • Page 52: Windows Clients

    4. How to Use 4.2.4.1 Windows Clients 4.2.4.1.1 Install SANit V2 Client on Windows Platform Step 1: Make sure all RAID system volumes are all recognized by client computer. In “Computer Management” console, select “Device Management > Disk drives”. Note If you cannot see the RAID system volumes, check all hardware and driver are all installed properly.

  • Page 53: Configure Sanit V2 Client On Windows Platform

    4. How to Use 4.2.4.1.2 Configure SANit V2 Client on Windows Platform Following steps will help you to configure SANit V2 clients on the Windows platform: Step 1: Select the Start menu and select All Programs, find the FS Client folder, then select “FS Client.”...
  • Page 54 4. How to Use Step 3: Enter SANit V2 MDC IP Address (Switch IP address). Then click “OK” Step 4: Right click the IP and click “Mount All”, then a success diagram should pop up, and the SAN volume will appear on Computer. User Guide Page 4-21...

  • Page 55: Mac Client

    4. How to Use 4.2.4.2 MAC Client 4.2.4.2.1 Install SANit V2 Client on Mac Platform Step 1: Make sure all RAID system volumes are all recognized by client computer. Shown in “Disk Utility” as below. Note If you cannot see the RAID system volumes, check all hardware and driver are all installed properly.

  • Page 56: Configure Sanit V2 Client On A Mac Platform

    4. How to Use 4.2.4.2.2 Configure SANit V2 Client on a MAC Platform Following steps will help you to configure SANit V2 clients on a MAC platform. Step 1: Click “Go” and then click “Utilities” to find out icon Step 2: Then click “Add Server” Step 3: Enter SANit V2 MDC IP Address (Switch IP address).
  • Page 57 4. How to Use Step 5: Double click the IP location to find “Auto Mount” at bottom and select “Enable”. User Guide Page 4-24...

  • Page 58: Linux Client

    4. How to Use 4.2.4.3 Linux Client 4.2.4.3.1 Install and Configure SANit V2 Linux Client Software Step 1: Make sure all RAID system volumes are all recognized by client computer. You could use fdisk -l to list all volumes connected on this client computer. Step 2: Unzip SANit V2 client file and open a command line console with below commands.
  • Page 59 5. RAID Overview RAID Overview User Guide...

  • Page 60: Raid Overview

    RAID Overview RAID Overview This chapter gives an overview of RAID storage system within the context of recommended setting of ExaSAN based SAN environment to provide fast, shared storage to client computers. 5.1 How RAID Works RAID, or Redundant Array of Independent Disks, is a data-storage technology that spreads data across multiple drives.

  • Page 61: Raid Levels

    RAID Overview remove and replace a failed disk (known as “hot swapping”), and the controller then rebuilds the data using the information on the remaining drives. 5.3 RAID Levels The ExaSAN RAID system supports several RAID levels and configurations. Each level has a different architecture and provides varying degrees of performance and fault tolerance.

  • Page 62: Appendices

    Appendices Appendices User Guide Page 6-1...

  • Page 63: Appendix A: Faqs

    Appendices Appendix A: FAQs 1. Q: What is the different of SW16 and SWF16 V2? A: SW16 is the pure PCIe 2.0 switch of ExaSAN switch series. SWF16 V2 is a three-in-one PCIe 2.0 switch, includes Metadata mirror drives, SANit V2 MDC (SAN management software) and PCIe 2.0 switch.
  • Page 64 7. Q: When inserting the HDD into my RAID system, why does RAIDGuard X show the HDD mode as Lock? A: The lock indicates that the HDD has been previous used in Accusys products and that it contains a portion of a RAID data. If the data can be deleted, you can unlock the HDD.

  • Page 65: Appendix B: Raidguard X Introduction

    MacOS: save in /Applications/RAIDGuard X/Log. Windows: save in /program file/accusys/exasan/log Linux: save in /{RAIDGuard X install folder}/log Please send the log file to your vendor or Accusys tech support team to analyze. support@accusys.com.tw User Guide...

  • Page 66: Raidguard X Main Console

    Appendices RAIDGuard X main console Function Description Add controller into RAIDGuard X (for DAS only) Monitoring Buttons Remove controller from RAIDGuard X Create array in the RAID system Delete array in the RAID system Email to set email notification Drive Lag Proof Enable/ Disable NCQ mode Enable/ Disable SMART Mode Enable/ Disable Preference...

  • Page 67: Manual Add Controller

    Appendices Manual Add Controller In the event that a SAN connection, firewall is used or special network settings are in place, RAIDGuard X client may not be able to detect the Server in the Main Menu. In this case, you can manually add another controller in the network.

  • Page 68: Creating An Array

    Appendices Creating an Array When the RAID controller is first configured, an array needs to be set up. This array tells the controller how many disks to use and what their function should be. Follow the steps below to create an array: 1.
  • Page 69 Appendices 4. Click on the drives to be added to the array. You can also click on Select all spare drivers. Note Unselected drives will be set to Hot (Global) spare drive. If a drive failure, spare drive will start to rebuild automatically. User Guide Page 6-8...
  • Page 70 Appendices Optional: From the drop down menu, select either On-the-fly initialization or Performance evaluation. On-the-fly initialization – ExaSAN RAID systems record the initialized sectors in the bitmap. All sectors are initialized only once. The entire initialization process will be completed faster and the performance will be better during the initialization.
  • Page 71 Appendices Array initializing percentage After the array has been created, the Main screen displays the newly created array with an array number. The array initialization progress is also displayed. Arrays are assigned numbers in the order they are created. For example, the first array created is labeled with the “1”...

  • Page 72: Email Notification

    Appendices Email Notification It may be necessary for network administrators to receive e-mails in the event of errors, alerts, and changes to the RAID array. These alerts can be e-mailed to a maximum of 20 e-mail addresses. Mailing List Enter the e-mail address(es) of people to receive controller error reports. Click Remove to delete e-mail addresses from the list.

  • Page 73: Preference

    Appendices Preference Disk Lag Proof Mode This feature ensures the stability and continuity of the RAID performance. In RAID 5 and RAID 6, DLP prevents the aging or slow responds of a single hard disk from influencing the overall performance. The advantage of this feature will not be felt until some hard disks fail to perform well.

  • Page 74: Smart Mode

    Appendices NCQ (Native Command Queuing) – This mode is designed for increasing disk drive access on SCSI and SATA disk drives. It can do this under certain situations by allowing the individual hard disk to internally optimize the order in which it executes the read and write requests it receives.

  • Page 75: Beeper

    Appendices The option of time to check disk’s S.M.A.R.T are 1,15,30,60 minutes and 2,4,8 hours. We strongly suggest set to 8 hours. Frequently check time will reduce the life time of hard drives Beeper Default Beeper option is enabled, the system will sound an audible alarm in the event of an error.

  • Page 76: Cache

    Appendices Cache Controller Cache – Check this box to enable the controller cache. This speeds up the data transfer to and from the disks. Caution Data in cache may be erased if power down unexpected. Suggest using a UPS (uninterruptible power supply) to prevent this scenario. Synchronize Cache –...

  • Page 77: Misc

    Note: Do not lose your password. If it is lost, you will have to contact your agent or the Accusys Support Team. SNMP Notification – Select SNMPv1 or SNMPv2 to send notifications for error conditions and possible problems to the SNMP servers. SNMP stands for Simple Network Management Protocol.

  • Page 78: Option

    Appendices Option The Options menu provides the methods for managing array. Click on the radio button for the required option, and then click Next to proceed. Slicing ExaSAN RAID slicing overcomes the inherent design of how data is stored on an HDD or RAID system by subdividing a RAID array into segments, or slices.
  • Page 79 Appendices Note You can create up to 16 slices per array and 64 LUNs on the controller. The total number of unique arrays’ slices cannot exceed 16. Follow the steps below to select an array to slice or merge. 1. Select the array to slice or merge by clicking on a drive with an array number. The capacity is displayed.

  • Page 80: Lun Map.

    Appendices 4. Check the Confirm box and click OK. Note Slices must be adjusted in order; for example - Slice 0, 1, 2, etc. LUN Map LUN, which stands for Logical Unit Number, is used to identify a logical unit in computer storage.

  • Page 81: Expansion

    Appendices Expansion Expansion adds spare disks or new hard drives to an existing array. This is no need to create a new array or stop an array; you may add new disks online while the array is in use. Expansion can enlarge the capacity and frequency of an array.
  • Page 82 Appendices 1. Select the array to add additional drives to, and select the number of drives to be added. A “+” sign appears above the drives to be added. 2. Check the Confirm box and click Expand Array. 3. The Main array information screen will indicate that the array is currently under expansion. User Guide Page 6-21...

  • Page 83: Migrations

    Appendices Migrations Different from Expansion, which enlarges an array by adding hard drives to a fixed RAID level, Migration changes the RAID level of an array. It allows live changes to the RAID without the need to delete the array and rebuild. This can be useful when new drives have been added, and a new array type needs to be created.
  • Page 84 Appendices 3. The main array information screen will indicate that the array is currently migrating. User Guide Page 6-23...

  • Page 85: Snapshot

    Appendices Snapshot A snapshot is initialized with a data duplicate from a source to a target. The mirror snapshot is offered by the ExaSAN RAID controller. Note The source and target volume of the snapshot must be identical. Before setting a snapshot, you need to set the slice in the array. The capacity of each slice and the number of shots should be in accordance with the space you need.
  • Page 86 Appendices Delete Shot Delete the selected shot. 1. Select the Delete Shot function from the drop down menu. 2. Select the required shot by clicking on the Shot No. radio button. From the respective drop down menus, select the source volume and destination volume. Unavailable shots are grayed out.
  • Page 87 Appendices Cancel Scheduling – Cancel the split shot scheduling. 1. Select the Split Shot function from the drop down menu. 2. Select the Cancel Scheduling radio button. 3. Select the required shot by clicking on the Shot No. radio button. From the respective drop down menus, select the source volume and destination volume.

  • Page 88: Health Center

    Appendices Health Center To ensure the accuracy of the RAID parity data, ExaSAN RAID controller offers Background checking and “Rebuild parity data”. During checking or rebuilding parity, the performance of the array will be affected. You may check the progress of in the Main view or in the Health Center. Follow the steps below to select an array to verify, rebuild, or condition.

  • Page 89: Unlock Drives

    Appendices Unlock Drives The RAID controller may lock abnormal drives in an array. You may unlock these drives and rejoin them in an array. Drives may be locked with one of two conditions: 1. If a drive returns data too slowly, the controller determines the drive is experiencing a fault and executes Drive Drop.
  • Page 90 Appendices Follow the steps below to select a drive to unlock. 1. Select the drive with the icon. It will change to the icon. 2. Check the Confirm box and click Unlock Drive. User Guide Page 6-29...

  • Page 91: Appendix C: Customer Service And Support

    Event Management of ExaSAN webGUI. 3) Client operation system log. (it’s better to record related error message.) Contact Us For customer services and technical support, locate an Accusys office near you from the link below: http://www.accusys.com.tw/about/contact.htm Or, you may email us at support@accusys.com.tw...

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