[Glass] GemTools backup error

Dale Henrichs dale.henrichs at gemtalksystems.com
Thu Jun 5 11:34:03 PDT 2014


Dario,

In the cases where you get this problem do you know if an MFC has been done
in the recent past? Do you have EpochGC enabled?

I would like to bullet-proof the backup logic, but I haven't seen this
particular error in my usage of the system ...

Dale


On Thu, Jun 5, 2014 at 10:29 AM, James Foster <
james.foster at gemtalksystems.com> wrote:

> It looks like the backup failed because the GC Lock was not available.
> When that happens what do you get from the following:
> System sessionIdHoldingGcLock.
> System voteStateString.
> Repository-wide garbage collection is a complex area. Have you watched any
> of the architecture videos at
> https://programminggems.wordpress.com/2010/02/05/scaling-objects-videos/,
> especially #20 and #22 on garbage collection?
>
> Do you have logged-in sessions that are idle and not committing? This
> would hold up voting.
>
> If you stop all the sessions without restarting the stone and try again a
> few minutes later does it work?
>
> James
>
>
> On Jun 5, 2014, at 9:48 AM, Dario Trussardi <dario.trussardi at tiscali.it>
> wrote:
>
> Ciao,
>
> i work with GLASS 3.1.0.4  and GemTools Launcher - >=1.0-beta.8.7
>
> Sometimes when i do the Admin / Backup   command, from GemTools,   after
> some time the system erase the error:
>
>
> a RepositoryError occurred (error 2734), Request for Backup gclock by
> session 14 denied, reason: vote state is voting, waiting for promote dead
>
>
> AbstractException >> _signalFromPrimitive: (envId 0)
> Repository >> _fullBackupTo:MBytes:compress: (envId 0)
> Repository >> fullBackupTo:MBytes: (envId 0)
> Repository >> fullBackupTo: (envId 0)
> JadeServer >> fullBackupTo: (envId 0)
> GsNMethod class >> _gsReturnToC (envId 0)
>
>
> A this point i need to restart the GLASS environment and after, resubmit
> the backup.
>
> I don't understund because it.
>
>
> Any considerations ?
>
>
> Thanks,
>
>  Dario
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