Assign a volume

You must assign a volume (namespace) to a host or host cluster so it can be used for I/O operations. This assignment grants a host or host cluster access to one or more namespaces in a storage array.

Keep these guidelines in mind when you assign volumes:

Assigning a volume fails under these conditions:
  • All volumes are assigned.
  • The volume is already assigned to another host or host cluster.
The ability to assign a volume is unavailable under these conditions:
  • No valid hosts or host clusters exist.
  • All volume assignments have been defined.

All unassigned volumes are displayed, but functions for hosts with or without Data Assurance (DA) apply as follows:

  1. Select Storage > Hosts.
  2. Select the host or host cluster to which you want to assign volumes, and then click Assign Volumes.
    A dialog box appears that lists all the volumes that can be assigned. You can sort any of the columns or type something in the Filter box to make it easier to find particular volumes.
  3. Select the checkbox next to each volume that you want to assign or select the checkbox in the table header to select all volumes.
  4. Click Assign to complete the operation.

After successfully assigning a volume or volumes to a host or a host cluster, the system performs the following actions: