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Parts Replacement

OceanStor V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5110F V5, 5300 V5, 5300F V5, 5500 V5, 5500F V5, 5600 V5, 5600F V5, 5800 V5, 5800F V5, 6800 V5, 6800F V5, 18500 V5, 18500F V5, 18800 V5, and 18800F V5. This document describes the procedure for replacing the parts of storage system in terms of safety operations, preparations, and precautions.
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Identifying Host Services Running on the System Enclosure

Identifying Host Services Running on the System Enclosure

The following description about how to identify LUNs and hosts involved with a system enclosure provides reference for stopping services before you replace system enclosure.

  1. Log in to DeviceManager of the storage system.
  2. Determine disk domains involved with this system subrack.

    1. In the navigation tree, click System.
    2. In the left function pane, click the cabinet where the system subrack resides.
    3. Click the system subrack.
    4. In the function pane below, view and record the disk domain where each disk in the enclosure resides.

  3. Determine file systems and LUNs contained in those disk domains.

    1. In the navigation tree, click Provisioning.
    2. In the Storage Configuration and Optimization area, click Storage Pool.
    3. Select all storage pools that belong to disk domains in Step 2.4. In the function pane below, view and record file systems and LUNs whose Mapping is Mapped.

  4. Determine the share paths to which these file systems map.

    1. In the navigation tree, click Provisioning.
    2. In the File Storage Service area, click Share.
    3. In the function pane, check whether all file systems in Step 3.3 exist. View and record the share path. Stop the services running on the share path on the host.

  5. Determine the hosts to which these LUNs map.

    1. In the navigation tree, click Provisioning.
    2. In the Block Storage Service area, click Host.
    3. Select the hosts whose Added to Host Group is Yes. In the Mapped LUNs tab below, check whether the LUN in Step 3.3 exists.
      • If yes, there are services related to the system subrack running on this host. Stop the services running on the LUN on the host.
      • If no, go to Step 3.3 until the services on all recorded LUNs are stopped on the host. Then replace the system subrack.

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Updated: 2019-07-11

Document ID: EDOC1000181634

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