[ClusterLabs] Two-Node OCFS2 cluster keep rebooting each other

[Andrei Borzenkov]

В Tue, 9 Jun 2015 21:53:41 -0600
Jonathan Vargas <jonathan.vargas at alkaid.cr> пишет:

> Thanks,
> 
> Those nodes do not need coordination between them. They have been working
> so far until now without HA and OCFS2. A load balancer distributes the
> requests between both nodes, they do not know about the existence of each
> other.
> 
> However, they do require shared storage to work with the same data. Before
> setting up the OCFS2 cluster, we have been syncing disks using rsync, but
> it syncs each minute, not real time.
> 
> So, our requirement would depend on OCFS2, and it works, but not of an HA
> and stonith setup I think. I see no way how it could add value to the
> required solution. Or it does?
> 

You need coordination between nodes on write and even if you mount your
system read-only you still have at least boot time journal replay. So
no, your nodes cannot free run.

You probably want to use NFS for this.