Bacula-users

Re: [Bacula-users] concurrent backup and restore

2008-09-08 09:56:56
Subject: Re: [Bacula-users] concurrent backup and restore
From: Silver Salonen <silver AT ultrasoft DOT ee>
To: bacula-users AT lists.sourceforge DOT net
Date: Mon, 8 Sep 2008 16:54:23 +0300
On Monday 08 September 2008 16:47:19 Christoph Litauer wrote:
> Hi,
> 
> is it possible to backup and restore data in parallel when using File 
> devices?
> 
> My problems is, that some of my backups take big amounts of time (3 days 
> because of a slow network connection). Starting a restore in parallel 
> leads to "RestoreFiles.2008-09-08_15.38.44 is waiting on Storage Files". 
> My setup is to allow concurrent backups to File device which works like 
> a charm during backup.
> 
> Output of status storage is:
> 
> --------------
> Running Jobs:
> Writing: Full Backup job sun2 JobId=20148 Volume="File-0571"
>      pool="Default" device="FileStorage" (/storage)
>      spooling=1 despooling=0 despool_wait=0
>      Files=73,342 Bytes=1,239,082,954 Bytes/sec=1,832,962
>      FDReadSeqNo=639,961 in_msg=451631 out_msg=5 fd=6
> Writing: Full Restore job RestoreFiles JobId=20150 Volume=""
>      pool="Default" device="FileStorage" (/storage)
>      spooling=0 despooling=0 despool_wait=0
>      Files=0 Bytes=0 Bytes/sec=0
>      FDSocket closed
> ====
> 
> Jobs waiting to reserve a drive:
>     3602 JobId=20150 device "FileStorage" (/storage) is busy (already 
> reading/writing).
> --------------
> 
> 
> It seems as the RestoreFiles job is waiting for _writing_ instead of 
> _reading_?
> 
> Did I miss anything? Thanks a lot in advance!
> 
> -- 
> Regards
> Christoph

Hello.

To my mind the limitation was that devices cannot have concurrent connections. 
So yeah.. backup- and restore jobs have to share that 1 possible connection.

--
Silver

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