IBM Storage replace Disk

If you replace a disk in an IBM Storage, such as a DS4700 and the disk is not rebuilding and is instead a new disk. You can set the disk as a replacement disk with the following command:

replace drive [85,12] replacementDrive=85,12;


To put the hot spare which was in use back to a hot spare, use the following command:

set drive [0,1] hotSpare=TRUE


This can be done in the Main storage manager view. Highlight the system, right mouse click and choose “Execute Script …”. Put in the commands and select “Tools” –> “Verify and Execute”.

Your initial lun will rebuild and your hot spare will fall back to the hot spare.


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