- GPFS File system name change it’s like Aix normal AIX File-system LVM command, but before change the file-system name we have to follow the mentioned steps.
Step 1: Ask application team to stop the services and which is currently using that particular filesystem.
Step 2: After getting confirmation from application team, needs to verify all the nodes is that particular file-systems currently holding any application process or not.
NODE1+NODE2:# fuser -duV /dev/testgpfs For Linux NODE1+NODE2:# lsof -a +L1 /dev/testgpfs_lv
Step 3: If that GPFS mount point not used for any of the application process we will go for the file-system name change activity.
Step 4: Before change the file-system name we have to unmount GPFS mount point from all GPFS cluster nodes.
NODE1:# mmumount /testgpfs -a
Step 5: Once mount point successfully unmounted, we will change the GPFS file-system name.
mmchfs /dev/old_mountpoint_lv -T /new_mountpoint_Name
NODE1:# mmchfs /dev/testgpfs -T /testgpfsnew mmchfs: Propagating the cluster configuration data to all affected nodes. This is an asynchronous process.
Step 6: After changing the file-system name we have to mount into all the nodes.
NODE1:# mmmount /testgpfsnew -a
Step 7: Verify if that mount point successfully mounted with new name or not.
NODE1+NODE2:# df -gt /testgpfsnew Filesystem GB blocks Used Free %Used Mounted on /dev/testgpfs 272.00 138.60 133.40 51% /testgpfsnew