[ClusterLabs] Antw: Pacemaker 2.0.0-rc1 now available

[Ken Gaillot]

On Mon, 2018-02-19 at 10:23 +0100, Ulrich Windl wrote:
> > > > Ken Gaillot <kgaillot at redhat.com> schrieb am 16.02.2018 um
> > > > 22:06 in Nachricht
> 
> <1518815166.31176.22.camel at redhat.com>:
> [...]
> > It is recommended to run "cibadmin --upgrade" (or the equivalent in
> > your higher-level tool of choice) both before and after the
> > upgrade.
> 
> [...]
> Playing with it (older version), I found two possible improvements.
> Consider:
> 
> h01:~ # cibadmin --upgrade
> The supplied command is considered dangerous.  To prevent accidental
> destruction of the cluster, the --force flag is required in order to
> proceed.
> h01:~ # cibadmin --upgrade --force
> Call cib_upgrade failed (-211): Schema is already the latest
> available
> 
> First, cibadmin should check whether the CIB version is up-to-date
> already. If so, there is no need to insist on using --force, and
> secondly if the CIB is already up-to-date, there should not be a
> failure, but a success.

Good point, I'll change it so it prints the following message and exits
0 in such a case:

 Upgrade unnecessary: Schema is already the latest available

Avoiding the need for --force in such a case is a bigger project and
will have to go on the to-do list. (With the current design, we can't
know it's not needed until after we try to upgrade it.)

> If a status is needed to detect and out-of-date CIB, a different
> option would be the better solution IMHO.
> 
> Regards,
> Ulrich
-- 
Ken Gaillot <kgaillot at redhat.com>