[Glass] GemTools backup error

Gerhard Obermann obi068 at gmail.com
Thu Jun 5 21:39:47 PDT 2014


Hi,

Yes this happens if try to do a backup right after (few minutes) a MFC.

Gerhard



On Thu, Jun 5, 2014 at 8:34 PM, Dale Henrichs <
dale.henrichs at gemtalksystems.com> wrote:

> 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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