1. Unmount all GPFS file systems on all nodes by issuing the mmumount all -a command.
mmumount all -a
2. Issue the mmdelfs command for each file system in the cluster to remove GPFS file systems.
3. Issue the mmdelnsd command for each NSD in the cluster to remove the NSD volume ID written on
If the NSD volume ID is not removed and the disk is again used with GPFS at a later time, you will
receive an error message when issuing the mmcrnsd command. See NSD creation fails with a message
referring to an existing NSD in the GPFS: Problem Determination Guide.
4. Issue the mmshutdown -a command to shutdown GPFS on all nodes.
db2cluster -cfs -delete -domain gpfsdomain.psfc收起