are you sure you can add a node in redhat cluster without reboot the whole cluster?
use cman_tool status on old nodes2014/1/24 Alexander GQ Gerasiov <gq@xxxxxxxxx>
//Second try, because previous mail was hold at moderation I think.
//Excuse me if there will be dups.
Hello there.
I need your help to solve some issues I met.
I use redhat-cluster (as part of Proxmox VE) in our virtualization
environment.
I have several servers with SAN storage attached and CLVM managed
volumes. In general it works.
Today I had to attach one more box to Proxmox instance and found
blocking issue:
this node joined cluster, proxmosFS started and everything is ok with
this host. But it does not have SAN connection, so I didn't start CLVM
on it. And when I try to do some lvm-related work on other host I got
"clvmd not running on node <node-without-clvm>"
and locking failed.
Ok, I thought, and started CLVM on that host...
and locking still fails with
Error locking on node <node-without-clvm>: Volume group for uuid not
found: <id>
So my question is:
How to handle situation, when only part of cluster nodes has access to
particular LUN, but need to run CLVM and use CLVM locking over it?
--
Best regards, Alexander.
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