On Tue, Jul 03, 2007 at 12:37:33AM +0200, Lars Marowsky-Bree wrote:
> On 2007-07-03T00:34:24, Lars Ellenberg <[EMAIL PROTECTED]> wrote:
> 
> > > With drbd in particular, a forced demote from primary should be
> > > possible, right?
> > 
> > yes, we could force a demote to Secondary, and fail all further IO,
> > if any.  it is probably slightly more involved than it sounds, however,
> > since normally a secondary may be unconfigured just so, and now we'd
> > have a secondary with open references to it, so it cannot go away yet.
> 
> Right.
> 
> > No, I don't see us implementing it, at least not for this reason.
> > it does not help at all: the failing Filesystem-RA will cause
> > Heartbeat to reboot the box even before telling DRBD anything about it...
> 
> Well, if we knew the layer underneath would handle this,

to "handle" it that way, you don't need drbd below:
hdparm it readonly :->

> one could set
> the on_fail=ignore for the stop operation on the filesystem ... Though
> it'd still be impossible to clean that up w/o a reboot,

yup.

> so I do see your point.

-- 
: Lars Ellenberg                            Tel +43-1-8178292-0  :
: LINBIT Information Technologies GmbH      Fax +43-1-8178292-82 :
: Vivenotgasse 48, A-1120 Vienna/Europe    http://www.linbit.com :
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