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Administrator Guide 15

OceanStor 5300 V3, 5500 V3, 5600 V3, 5800 V3, and 6800 V3 Storage System V300R003

Routine maintenance activities are the most common activities for the storage device, including powering on or off the storage device, managing users, modifying basic parameters of the storage device, and managing hardware components. This document applies to the system administrators who are responsible for carrying out routine maintenance activities, monitoring the storage device, and rectifying common device faults.
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Preparing for Space Reclamation (Windows)

Preparing for Space Reclamation (Windows)

Before reclaiming space, you must finish preparatory work such as backing up disk information and checking the host and storage device's running status to ensure that the space reclamation can be successfully implemented.

Procedure

  1. Confirm the range of to-be-reclaimed storage space and back up disk information.
    1. Confirm whether it is full reclamation or partial reclamation.
    2. Back up disk information.

      1. Log in to the Windows Server 2008 application server as an administrator.
      2. Press Windows+R (if the operation is performed remotely, perform it in full screen mode) to open the Run dialog box.
      3. Type diskmgmt.msc and press Enter.
      4. On the Disk Management page that is displayed, view the host disk information.

    3. Make sure that the to-be-reclaimed disk will not be used anymore.
  2. Check the host running status.
    1. Check whether any error exists on the host.

      1. Press Windows+R (if the operation is performed remotely, perform it in full screen mode) to open the Run dialog box.
      2. Run eventvwr.msc and devmgmt.msc and press Enter.
      3. In the Event Viewer and Device Manager windows, check whether any error exists on the host. If there are, remove the errors and proceed to the next step.

    2. Check the disk path status.

      1. Press Windows+R (if the operation is performed remotely, perform it in full screen mode) to open the Run dialog box.
      2. Run upadm show vlun to query the status of all vLUNs. Confirm that the status of all vLUNs is Normal.
      3. Run upadm show path and make sure that the system path status is Normal. If a path whose status is Degrade exists, run upadm set phypathnormal. Specify the path whose status is Degrade using the path_id parameter.

  3. Check the storage system status. If there are alarms, clear them and then proceed to the next step.
  4. On the storage system, export the storage system configuration data.
    1. Log in to the CLI of the storage system using PuTTY.

      NOTE:
      The default username and password are admin and Admin@storage respectively.

    2. Run export running_data to export and save the current configuration file.
  5. Check the status of the connection between the host HBA and the storage device.
    1. As planned, check whether the two devices (the HBA and the storage device) are connected and whether the zoning on the switch is correct by using the WWN of the host HBA and the front-end port of the storage device.
    2. Run show port general to check whether the planned front-end network is connected. Specify the front-end port using the port_id parameter.
      If the planned front-end network is connected, its Type is Host Port and its Running status is Link up.
    3. Run show initiator initiator_type=FC isfree=yes to check whether the storage device can query the initiator on the host and filter out initiators that are not assigned to the host.

      In the command output, the planned HBA should exist and its running status should be Online.

       
      admin:/>show initiator initiator_type=FC isfree=yes
           WWN                 Running Status        Free       Alias      Host ID         Multipath Type
           -----------------   -------------------   -----      -------    ----------      ------------------
           100000000000*        Online                Yes        --         --             Default

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Updated: 2019-08-14

Document ID: EDOC1000084191

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