[Pacemaker] Advisory ordering on clones not working?

Andrew Beekhof andrew at beekhof.net
Mon Feb 20 06:11:17 EST 2012

On Wed, Feb 15, 2012 at 12:40 AM, Adrian Fita <adrian.fita at gmail.com> wrote:
> Hi. I'm trying something like this: "crm configure order order_id 0:
> nfs_server nfs_mount", but nfs_mount doesn't start after nfs_server,
> instead it starts at pacemaker startup, when nfs_server isn't even
> started.

Right.  Did you read what advisory ordering is supposed to do?


> The reason I'm doing this is because nfs_mount is a clone of NFS
> filesystem mounts that are mounted on each node in the cluster. The
> NFS mounts are then used by some processes that read/write stuff in
> those NFS mounts. If I do "crm configure order order_id inf:
> nfs_server nfs_mount", on a node failure, all the nfs_mounts instances
> get restarted causing the processes that use them to fail or get
> restarted themselves. With advisory ordering I saw that the nfs_mount
> instances are not all restarted, the ones that are not on the failed
> node are left alone, leaving the surviving processes alone also.
> So... Am I missing something? Is my approach wrong?
> --
> Fita Adrian
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