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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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Pre-Configuration Check

Pre-Configuration Check

Storage space can be expanded without interrupting services. Before the expansion, check the storage system environment and service environment to ensure a smooth expansion.

Prerequisites

  • The storage system is running correctly.
  • You have obtained and recorded the world wide name (WWN) or iSCSI qualified name (IQN) of the application server that uses the LUN and the WWN or LUN ID of the LUN. The LUN is correctly mapped to the application server and the host on the storage system.

Procedure

  1. Check the running status of the storage system.
    1. On the right navigation bar of the DeviceManager, clickHome.
      The Home page is displayed.
    2. In the Basic Information area, check whether the running status of the storage system is normal.
      If an alarm is found, handle it in a timely manner based on the alarm information and handling suggestions.
  2. Check the storage space.
    1. On the right navigation bar of the DeviceManager, click Provisioning.
      The Provisioning page is displayed.
    2. In the Storage Configuration and Optimization area, click Storage Pool. Check the health status, running status, total capacity, and used capacity of the storage pool on which a LUN is to be created.

      • If the free capacity is sufficient for creating a new LUN, go to 3.
      • If the free capacity is insufficient for creating a new LUN, go to 2.c.

    3. Return to the Provisioning page and click Disk Domain. Check the total capacity and free capacity of the disk domain where the storage pool resides.

      • If the free capacity is sufficient for expanding the storage pool, expand storage pool, and then 3.
      • If the free capacity is insufficient for expanding the storage pool, expand disk domain, and3 in sequence.

  3. Confirm the hosts and host groups that require LUN allocation.
    1. On the Provisioning page, click Host
      The Host page is displayed.
    2. Click the Host tab.
      On the Host tab page, find the host based on the WWN or IQN of the application server you have recorded, and record the host name.
    3. Click the Host Group tab.
      On the Host Group tab page, find the host group of the host you have located on the Host tab page, and record the host group name for choosing the host group when creating a new mapping view of the new LUN group.
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Updated: 2019-04-17

Document ID: EDOC1000084191

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