If by a wrong manipulation of your disks by the SAN team (which we just had), and on one your cluster’s node , when you type lspv, you’ve got no more labels on your NSD hdisks: Though NSDs are there,
Easiest , dirtiest and quickest way I found to delete a freshly configured GPFS cluster (DON’T DO THIS ON A PRODUCTION SERVER !!! IT IS FOR TESTING/DEV PURPOSES ONLY !!! ) : GPFS V4 : change to CCR mode I
I had to change IPs of my 2-nodes GPFS cluster, in order to move them from a LAN network to a DMZ. So what I did, is : I changed the system’s IP address without stopping the cluster (yeah, I
I’m discovering GPFS and I certainly will continue to post some tips about it here, so don’t be harsh with me, these will be some n00b posts, but it will help me and maybe help some of you too !