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FusionStorage V100R006C10 Block Storage Service Parts Replacement 06

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Replacing a RAID Controller Card

Replacing a RAID Controller Card

A RAID controller card supports RAID levels, RAID level migration, and RAID configuration memory.

Impact on the System

Before replacing a RAID controller card, you must power off the storage node. This will adversely affect the services running on the node. Exercise caution when performing this operation.

Prerequisites

  • The replacement RAID controller card is ready.
  • The faulty RAID controller card has been located.Figure 4-112 shows the position of RAID controller card.
    Figure 4-112   Position of RAID controller card

Precaution

  • Only professional technical support engineers are allowed to replace the RAID controller card.
  • A storage node has two power modules. Ensure that both are disconnected.

Tools and Materials

  • Flat-head screwdrivers
  • Phillips screwdrivers
  • Electrostatic discharge (ESD) gloves
  • ESD wrist straps
  • ESD bags
  • Labels

Procedure

  1. Wear an ESD wrist strap or ESD gloves.
  2. Use the KVM to log in to the operating system of the node, enter user name root and its password (default: Root@storage), and run poweroff command to power off the node.

    Wait until the KVM has no output. The power-off is complete.

  3. Remove all power cables and external signal cables.
  4. Remove the storage node from the cabinet.
    1. Loosen the captive screws on the panel using a Phillips screwdriver, as shown in step 1 in Figure 4-113.

      Figure 4-113  Removing a storage node

    2. Slowly pull the storage node out along the guide rails, as shown in step 2 in Figure 4-113.
    3. Press the release buttons on both sides and pull the storage node out of the cabinet along the guide rails, as shown in step 3 in Figure 4-113.
  5. Remove the enclosure cover.
    1. Use a flat-head screwdriver to loosen the latch that secures the ejector lever of the enclosure cover, as shown in step 1 in Figure 4-114.
    2. Open the ejector lever to push the enclosure cover backward, as shown in step 2 in Figure 4-114.

      Figure 4-114  Removing an enclosure cover

  6. Remove the RAID controller card.
    1. Unscrew the RAID controller card, as shown in step 1 in Figure 4-115.

      Figure 4-115  Removing a RAID controller card

    2. Lift the RAID controller card slowly, as shown in step 2 in Figure 4-115.
    3. Disconnect cables for the RAID controller card.
  7. Place the removed RAID controller card in an ESD bag.
  8. Take the spare RAID controller card out of its ESD bag.
  9. Optional: Remove the rubber plugs from the ports on the RAID controller card if any. See Figure 4-116.

    Figure 4-116  Ports with rubber plugs

  10. Install the RAID controller card.
    1. Align the connectors on the RAID controller card with the ports on the mainboard, and insert the RAID controller card slowly into the mainboard, as shown in step 1 in Figure 4-117.

      Figure 4-117  Installing a RAID controller card

    2. Screw the RAID controller card as shown in step 2 in Figure 4-117.
    3. Connect cables for the RAID controller card.
  11. Install the enclosure cover.
    1. Place the enclosure cover horizontally, align it with the fixing slots on both side panels of the enclosure, and close the ejector lever, as shown in steps 1 and 2 in Figure 4-118.

      Figure 4-118  Installing an enclosure cover

    2. Tighten the latch to secure the ejector lever of the enclosure cover using flat-head screwdriver, as shown in step 3 in Figure 4-118.
  12. Put the storage node into the cabinet.
    1. Arrange at least four persons to lift the storage node on both sides, align the inner rails on the storage node with the holding rails, and push the storage node into the cabinet along the holding rails, as shown in Figure 4-119.

      Figure 4-119  Pushing a storage node into holding rails

    2. Press the release buttons on both sides, and push the storage node into the cabinet until the storage node cannot move forward, as shown in Figure 4-120.

      Figure 4-120  Pushing a storage node into a cabinet

    3. Tighten the two captive screws on the mounting ears to secure the storage node, as shown in Figure 4-121.

      Figure 4-121  Securing a storage node

  13. Connect storage nodes to power sockets to power them on. Do not connect network cables.
  14. Activate the RAID group and check whether the RAID controller card is successfully installed.
    1. During the system startup, press Ctrl+C when the following output is displayed to go to the basic input/output system (BIOS) interface of the RAID card.

      LSI Corporation
      MPT SAS/GE2 BIOS MPT2BIOS-7.19.00.00 (2011.05.16) Copyright 2000-2011
      LSI Corporation. Press Ctrl-C to start LSI Corp Configuration Utility... 

    2. Press Enter. The Adapter Properties page is displayed, as shown in Figure 4-122.

      Figure 4-122  Going to the Adapter Properties page

    3. Press Enter and choose RAID Properties > View Existing Volume > Manage Volume > Activate Volume, as shown in Figure 4-123.

      Figure 4-123  Going to the Activate Volume page

    4. Highlight Y to activate the RAID group, as shown in Figure 4-124.

      Figure 4-124  Activating a RAID group

    5. Choose SAS Topology > LSI, press Alt+B to set the value of Device Info to Boot. See Figure 4-125.

      Figure 4-125  Setting Boot option

    6. Select LSI and press Enter, as shown in Figure 4-126.

      • As shown in the following figure, if similar information in the menu is displayed, the RAID controller card is successfully installed.
      • If no similar information is displayed, the RAID controller card fails to be installed. Install it again or contact technical support.
        Figure 4-126  Viewing SAS Topology

    7. Press Esc, choose Save changes then exit this menu, press Esc twice, then choose Exit the Configuration Utility and Reboot.

    NOTE:

    After you have replaced the RAID controller card, the node will be automatically restarted. This is because the configurations on the system software related to the RAID controller card can take effect only after the node is restarted. Then, you can perform follow-up procedures.

  15. Check RAID card configurations.
    1. Use the KVM to log in to the operating system of a storage node as user root.
    2. Run the cd /opt/driver/lsisas-mpt3sas-driver; ./lsiutil_operateioc_ncqswitch.sh query command to check whether NCQ is Enabled.

      • If yes, go to 15.d.
      • If no, go to 15.c.

    3. Run the ./lsiutil_operateioc_ncqswitch.sh open command to open NCQ and check whether the output is open ioc ncq switch success, it will active after host reset..

      • If yes, go to 15.d.
      • If no, preserve the site, record the output, and contact technical service engineers.

    4. Run the cd /opt/driver/lsisas-mpt3sas-driver; ./lsiutil_operateioc_writecache.sh query command to check whether cache is Disabled.

      • If yes, go to 16.
      • If no, go to 15.e.

    5. Run the ./lsiutil_operateioc_writecache.sh close command to close cache and check whether the output is close ioc write cache success, it will active after host reset.

      • If yes, go to 16.
      • If no, preserve the site, record the output, and contact technical service engineers.

  16. Run the poweroff command to power off the storage node. Connect the storage node to peripheral devices through network cables according to the connection labels, and power on the storage node.

Follow-up Procedure

After replacing the RAID controller card, label the replaced RAID controller card to facilitate subsequent operations.

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Updated: 2019-02-01

Document ID: EDOC1000175242

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