Bacula-users

Re: [Bacula-users] Bacula limits

2008-08-24 06:54:26
Subject: Re: [Bacula-users] Bacula limits
From: Jesper Krogh <jesper AT krogh DOT cc>
To: "T. Horsnell" <tsh AT mrc-lmb.cam.ac DOT uk>
Date: Sun, 24 Aug 2008 12:54:06 +0200
T. Horsnell wrote:
> Jesper Krogh wrote:
>> T. Horsnell wrote:
>>
>>> I will be backing up maybe 70million files in one job.
>>> Am I approaching any Bacula/catalog limit on the number of files?
>>> What is the maximum number of files which Bacula can handle,
>>> and are there any other limits which we should know about?
>>
>> You might be heading for problems during restore. The restore process
>> of building a virtual filesystem hierachy of the files cannot handle
>> this many. I've got around 24 million files in one fileset. That is not
>> restorable using this method. It works fine if I just restore by "jobid" 
>> or some of the restore methods that doesnt require the virtual 
>> filesystem hierachy to be build up and worked on.
>>
>> Jesper
> 
> Ah. Thanks for this tip. I've already got around 39 million files backed 
> up, so I'll see if I hit this problem - I'm running bacula 2.4.2.

You can easily test it. Just start a restore. If you get to the point
where it starts reading from the tapes, then you should be Ok, and you
can just cancel the restore.

-- 
Jesper

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