You will need to use an i5/OS® command to delete
disk drives in a logical partition.
Before you can delete a disk drive, you must unlink it from the NWSD.
Once you have unlinked it, you can delete it. See Unlink disk drives from a logical partition for more information.
Delete disk drives for a logical partition with iSeries™ Navigator
To delete the disk drive, do the following:
Click Network > Windows
Administration > Disk Drives.
Right-click the disk drive that you want to delete.
Click Delete.
Click Delete on the confirmation panel.
Delete disk drives for a logical partition with CL commands
Follow these steps to delete the disk drive using the Delete Network
Server Storage Space CL command, DLTNWSSTG:
Type DLTNWSSTG and press F4.
Type the name of the disk drive in the Network server storage space
field. Press Enter.