[DRBD-user] Fwd: small patch for drbddisk

Lars Ellenberg lars.ellenberg at linbit.com
Wed Sep 1 12:10:03 CEST 2010

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

On Wed, Sep 01, 2010 at 10:49:00AM +0200, Lars Ellenberg wrote:
> On Wed, Aug 25, 2010 at 02:10:55PM +0900, Junko IKEDA wrote:
> > Hi,
> > sorry for covering old ground.
> > 
> > http://www.gossamer-threads.com/lists/drbd/users/19746
> > > We should catch that one, probably, and irgnore it at least for monitor
> > > (role, status, dstate, etc.) and "down" related commands (secondary,
> > > disconnect, detach), or handle it more gracefully in some yet to be
> > 
> > > Maybe we should add such a loop to drbddisk as well.
> > > Or somehow set it up as a wrapper around the ocf agent (though that may
> > > not be easily possible).
> > >
> > > Yes, your patch is ok.
> > > Still I'm not taking it as such, but probably make drbdsetup more robust
> > > in face of file system problems on /var/lock/, and add a monitoring loop
> > > to drbddisk instead.
> > 
> > Do you have any good idea for handling /var/lock?
> For the EROFS on open(/var/lock/*),
> just put /var/lock on tmpfs and be happy.

You can then also easily test that error scenario,
by mount -o remount,ro /var/lock ...

> For the drbddisk script, yes, we probably should stop lying
> 	# other error, may be syntax error in config file,
> 	# anything else: to not confuse heartbeat further,
> 	# and avoid reboot due so "failed stop recovery",
> 	# pretend that we succeeded in stopping this.
> As you seem to rather have the reboot due to failed stop recovery
> in any case, yep, lets have it.

Attached is a diff against latest git drbddisk.

We do not want endless retry.
And we need to report "running" in case we are uncertain on status.

Please test if that would work for you.

: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com

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