[Sheepdog] Power supply interruption crashes data stored in sheepdog

[Rubens Matos]

Fernando, I didn't recovered the stored data. I removed the directory and
started sheepdog again.

Rubens


2011/8/5 Fernando Frediani (Qube) <fernando.frediani at qubenet.net>

>  Rubens,****
>
> ** **
>
> Do you mean you recovered it ?****
>
> What have you do to get it working again ?****
>
> ** **
>
> Obrigado****
>
> ** **
>
> Fernando****
>
> ** **
>
> *From:* sheepdog-bounces at lists.wpkg.org [mailto:
> sheepdog-bounces at lists.wpkg.org] *On Behalf Of *Rubens Matos
> *Sent:* 05 August 2011 04:12
> *To:* MORITA Kazutaka
> *Cc:* sheepdog at lists.wpkg.org
> *Subject:* Re: [Sheepdog] Power supply interruption crashes data stored in
> sheepdog****
>
> ** **
>
> I have already cleaned the damaged cluster. I guess it is possible to
> reproduce the error, and then capture the output from collie cluster info.
> ****
>
> ** **
>
> Anyway, the upcoming  "collie cluster check" command is a very good news.*
> ***
>
>
> Rubens de Souza Matos Júnior
>
> ****
>
> 2011/8/4 MORITA Kazutaka <morita.kazutaka at lab.ntt.co.jp>****
>
> At Thu, 4 Aug 2011 16:28:50 -0300,****
>
> Rubens Matos wrote:
> > Hi everyone,
> >
> > I am testing sheepdog and everything was working, but after an
> interruption
> > in power supply, that affected all nodes, the cluster was damaged so that
> > the nodes didn't join again, and I can't recover the data that was stored
> in
> > a VDI.
> >
> > Have you already noticed a similar behavior? Is sheepdog protected
> against
> > such kind of failure, in which all nodes are abruptly disconnected?****
>
> Sheepdog should handle the total node failure, but I think some bugs
> still exist in it.  The error handling has not been tested enough.
>
> If you have not cleaned the damaged cluster yet, can you give me the
> outputs of "collie cluster info" on all the nodes?  Those info would
> be helpful to find the error reason.
>
> I'm implementing a "collie cluster check" command, which works like
> fsck for Sheepdog.  This command would be helpful for recovering the
> damaged cluster.
>
>
> Thanks,
>
> Kazutaka****
>
> ** **
>
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