Skipped groups in idmap2 on a cluster (with CTDB and GPFS)

Richard Sharpe realrichardsharpe at
Fri May 27 12:05:33 MDT 2011

On Fri, May 27, 2011 at 10:42 AM, Volker Lendecke
<Volker.Lendecke at> wrote:
> On Fri, May 27, 2011 at 09:03:06AM -0700, Richard Sharpe wrote:
>> > There must have been transaction problems. With recent
>> > versions of ctdb and Samba we believe they are gone. Is it
>> > possible that you have messages containing "rsn" errors in
>> > /var/log/messages around that time or later? I don't recall
>> > the exact messages.
>> Since these were in the persistent TDBs, would we expect to see errors
>> about RSNs? I see lots of errors about access denied trying to connect
>> to ctdb but no error messages about RSNs.
> Oh, ok. That's a different one I'm trying to chase right
> now. Do you have a way to reproduce the access denied ones?
> The RSN issue is exactly the one with persistent tdbs.
> If you don't have any of those, then it might be something
> else.

I have not tried reproducing it. We have seen it at a customer site. I
guess I can try to repro it, though.

Richard Sharpe

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