Adding an MDisk to an MDisk group Managed disks (MDisks) Creating volumes

Perform this task to add a managed disk (MDisk) to an MDisk group. You can use the Add MDisk to MDisk group panel to select one or more MDisks to add to an existing MDisk group.

Steps

Perform the following steps to add an MDisk to an MDisk group:

  1. In the IBM Director Task pane, double-click the Multiple Device Manager icon. The Multiple Device Manager menu opens.
  2. Double-click Manage Storage Units. The Manage Storage Units menu opens.
  3. Drag the Managed Disks icon to the Group Contents pane of the IBM Director. Drop the icon on either a SAN Volume Controller or a SAN Volume Controller for Cisco MDS device. The Add MDisk to MDisk group panel opens.
  4. Click the MDisk groups list to open it.
  5. Select the MDisk group to which you want to add an MDisk from the list of MDisk groups.
  6. Select the MDisk that you want to add to the selected MDisk group from the table of Candidate MDisks.

    The Candidate MDisks table provides the following information:

    • MDisk name
    • Status (offline, degraded, and online)
    • Mode (managed or image)
    • Capacity of MDisk in gigabytes
  7. Click OK.
Result

The selected candidate MDisks is added to the selected MDisk group.

Note:Note: There are conditions under which the MDM repository may not be synchronized with the actual storage configuration. Symptoms of this state include:
  • SVC managed disks or virtual disks that have been created are not seen by MDM.
  • Storage system fibre=channel ports do not show up in the Create disk or Create volumes panel.
To fix this problem, issue the perform inventory collection command on the involved storage systems.
Related topics Managed disks (MDisks) Creating volumes

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