[Pacemaker] couple of comments/questions on DRBD HowTo 1.0

[Dejan Muhamedagic]

Hi,

On Mon, Mar 30, 2009 at 02:08:29PM +0200, Dominik Klein wrote:
> Dominik Klein wrote:
> > Juha Heinanen wrote:
> >> Lars Ellenberg writes:
> >>
> >>  > If that "Lars?" meant me, yes, please,
> >>  > go ahead an delete outdated examples. 
> >>  > Replace with a reference to the drbd users guide
> >>  > http://www.drbd.org/docs/about/ or
> >>  > http://www.drbd.org/docs/install/
> >>
> >> how about the webserver example in DRBD HowTo 1.0?  i suspect that it
> >> does not work.
> > 
> > Works for me. Any other complaints?
> > 
> >> if i try it without 'meta target-role=stopped' in fs0 resource,
> >> pacemaker tried to mount the filesystem before drbd0 resource is running
> >> resulting in error
> >>
> >> Mar 28 17:16:56 lenny1 lrmd: [13953]: info: rsc:fs0: start
> >> Filesystem[15261]:	2009/03/28_17:16:57 INFO: Running start for /dev/drbd0 on /var/lib/mysql
> >> Mar 28 17:16:57 lenny1 lrmd: [13953]: info: RA output: (fs0:start:stderr) /dev/drbd0: Wrong medium type
> > 
> > Are you sure you had the colocation and order constraints by then? If
> > so, please provide a hb_report covering that time so the bug can be fixed.
> 
> No need for this any more. I found that when you enter resource
> definition and constraint definitions in one commit, the crm shell puts
> out several xml commits. The resources go in first, the constraints
> afterwards but in separate "pacakges". So there is some time in between
> where there are no constraints which may lead to a start op that may
> fail due to the lack of drbd promotion.

Well spotted.

> The bug has been reported to Dejan (the crm shell dev) and he will fix it.

It's been fixed yesterday and today.

Thanks,

Dejan

> Thanks!
> 
> Regards
> Dominik
> 
> _______________________________________________
> Pacemaker mailing list
> Pacemaker at oss.clusterlabs.org
> http://oss.clusterlabs.org/mailman/listinfo/pacemaker