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Hot-Swap RAID Controller Upgrade Procedure (DS4300)  

2011-06-20 12:48:00|  分类: 网络 |  标签: |举报 |字号 订阅

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Abstract
This web page provides a video and detailed printable instructions for you to upgrade or remove your RAID controller of your DS4300 storage server.
 
 
Content

IMPORTANT:
Before upgrading your hot-swap raid controllers, read the detailed instructions below and references cited in your manual when appropriate.




Upgrading your RAID controllers

If you have purchased the DS4300 Turbo option, you must replace your existing 256MB cache controllers to 1 GB cache controllers shipped as part of the option. You should perform this upgrade with the power on as a hot-swap. It is also possible to perform this procedure as a cold-swap.

Note: A controller hot-swap replacement is when the controllers are replaced one at a time while the storage server is powered on. Care must be exercised to ensure a successful upgrade. Hot-swap is the preferred method for upgrading your controllers. A controller cold-swap replacement is when both controllers are replaced at the same time after the storage server is powered off. Power is turned back on to the storage server after the controllers are replaced.

Hot-swap RAID controller upgrade procedure

Important:
  • You must upgrade the Storage Manager 8.4 client software in the management workstation or in the host server connected to the DS4300 that will be upgraded before you replace the old controller with the new controller.

  • This procedure must be done when the DS4300 system is at a low I/O state. It is preferred that no I/Os are made to the DS4300 server while the storage server is being upgraded.

  • The upgrade should be performed when the system is in an optimal state. If it is not, fix the problem before attempting the upgrade. Use the Storage Manager GUI to determine if the system is in an optimal state.

  • You must have a management connection to the controller before attempting the upgrade because you need to use the Storage Manager client GUI to set the controller to certain states before replacing it, and to verify its operating condition status. You need to use the Storage Manager client GUI to properly set the controller state by performing the following:

    – Disable controller caching.
    – Set the controller to off-line state before replacing it.
    – Set controller to on-line state after inserting the new controller.
    – Verify controller operating condition status once the new controller is brought online.

  • Save the configuration/profile before upgrading.

Each RAID controller fits into the back of the storage server and has the following components:

  • Battery
  • Cache memory
  • Two host ports and one expansion port
  • One Ethernet port
  • One serial port


Each RAID controller has a unique hardware Ethernet address, which is printed on a label  Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客 on the front. There is also a label Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客 giving the cache battery manufacturing and installation dates on the top of the controller unit.
Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客

For information about the RAID controller cache memory and rechargeable battery, see “Cache memory and RAID controller battery” section of your manual.

You must replace both controllers. Replace one controller at a time. To upgrade your RAID controller, perform the following steps:

    1. Use the Storage Manager client software to flush and disable the read/write cache on both controllers. Either check that the cache LED on the back of the controller is off or wait two to three minutes. Refer to the Storage Manager software documentation for more details on disabling cache.

    2. Place the controller in an offline state. Verify that the controller amber fault light is lit. In the Storage Manager GUI the controller will be displayed with a red "X" icon.

    3. Label each cable that connects to the RAID controllers. This ensures that all cables will be properly reconnected to the new RAID controllers.

    Attention: Handle and install fiber-optic cables properly to avoid degraded performance or loss of communications with devices. When working with fiber-optic cables, do not pinch them, step on them, or locate them in aisles or walkways. Do not overtighten the cable straps or bend the cables to a radius smaller than 38 mm (1.5 in.).


    Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客

    4. From the first RAID controller Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客 to be upgraded, remove the fibre-channel cables Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客 from the SFPs Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客. After removing the fibre-channel cables, insert the protective caps Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客.

    Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客

    5. Use the following procedure to remove the SFPs from the RAID controller to be upgraded.

    a. Remove the LC-LC fibre-channel cable Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客 from the SFP module Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客.

    b. Unlock the SFP module latch:

    • Remove the protective cap Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客. For SFP modules that contain plastic tabs Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客, unlock the SFP module latch by pulling the plastic tab outward 10° Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客.

      Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客

    • Remove the protective cap Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客. For SFP modules that contain wire tabs Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客, unlock the SFP module latch by pulling the wire latch outward 90° Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客.

      Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客

    c. With the SFP latch in the unlocked position, extract the SFP module.

    • For SFP modules that contain plastic tabs, slide the SFP module out of the port.

    • For SFP modules that contain wire tabs, grasp the wire latch and pull the SFP module out of the minihub port.

    d. Replace the protective cap on the SFP module.

    e. Place the SFP module into a static-protective package.

    f. Replace the protective cap on the port.

    6. Remove the RAID controller to be upgraded, as follows:

    a. Push down on the latch Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客. Pull both levers at the same time out of the locked position Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客.

    Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客

    Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客

    b. Grasp the pull-rings; then pull on the levers and remove the RAID controller  Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客.

    Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客

    7. Unpack the new RAID controller with the 1 GB cache. Verify that the battery is in the controller. If it is not, see “Replacing the battery in the RAID controller” video procedure and detailed instructions to remove the battery from the old controller and install it in the new controller.

    Set the RAID controller on a dry, level surface away from magnetic fields. Save the packing material and documentation in case you need to return the RAID controller.

    8. If DHCP/BootP was used to automatically set the IP address of the controller, record the MAC address of the upgrade controller and modify the existing DHCP/BootP record of the RAID controller to be upgraded with the new MAC address. Failure to modify the DHCP/BootP record will result in problems trying to manage the storage server using the existing IP address. This step must be performed before you insert the upgrade controller into the FAStT storage server.

    9. Write the battery replacement information on the label on the battery pack.

    • Installed date – Write today’s date

    • Replacement Date – Write the date three years from today’s date

    Note: The preferred method of checking for the battery operating age is through the storage server management software.

    10. Install the new RAID controller, as follows:

    a. Slide the RAID controller Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客 all the way into the empty slot.

    Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客

    b. Close both levers Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客 until the latch locks into place.

    Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客

    Attention: When you replace the old RAID controller, the storage-management software automatically synchronizes the firmware between the existing controller and the new controller. After you replace a controller, always use the storage-management software to verify the firmware levels and NVSRAM files.


    11. Insert the SFPs according to the instructions in the “Installing SFP modules” video procedure and detailed instructions.

    12. Remove the protective cap from the fiber-optic cable Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客. Connect the fibre-channel cables to their original locations.

    Hot-Swap RAID Controller Upgrade Procedure (DS4300) - lsxblog - 欢迎光临我的博客

    13. Wait approximately one minute, and then check the green Host Loop LED, green Expansion Loop LED, and amber Fault LED on the new RAID controller.

    • If the Expansion Loop LED is off, the RAID controller might not be inserted correctly. Remove the RAID controller and reinsert it.

    14. See the storage-management software online help for instructions on bringing the controller online.

    15. Check that the controller is online. Use either of the two following methods:

    • Use the Storage Manager Client GUI to verify that the controller is online (up) and running by selecting the menu option to display the properties of the controller that has just been replaced. If the controller is not up, you will get a controller-connection error window instead of the controller properties window. Wait a minute and retry until you get the properties window.

    • Check the LEDs at the back of the controller. All Fault LEDs should be off and the Host Loop and Expansion Loop LEDs should be on.

    16. If the Fault LED is on, the Host Loop LED and the Expansion Loop LED stay off, or any other Fault LED is on, see the storage-management software for problem determination.

    17. Repeat steps 1 through 16 for the second controller. However, do not continue with this step if the new controller is not in online and optimal state.

    18. Enable controller caching.

    19. Verify firmware and NVSRAM. Reload the firmware and NVSRAM to the version shipped on the Turbo option CD. Then, check the IBM website for any firmware updates.
 
 
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