You can delete all but one partition of a RAID 1 (mirror) and only one partition at a time for a RAID 5. To delete a RAID 1 partition, you must delete its RAID.
In iManager, click .
For instructions, see Section 3.1.6, Accessing Roles and Tasks in iManager.
Select a server to manage.
For instructions, see Section 3.1.7, Selecting a Server to Manage.
A list of devices appears in the Software RAIDs list.
Make sure that there is no I/O for the volumes on the RAID device by deactivating the volume.
Click .
Select the volumes in the RAID device you want to expand.
Click (NetWare) or (Linux).
In the Software RAIDs list, select a device.
Wait for the page to refresh before continuing.
Click the icon.
This opens the Partition Management page. It displays a list of all the partitions that currently exist on the selected device.
Select a partition from the Partitions list, click , then click .