Bacula-users

Re: [Bacula-users] Bacula on Netgear ReadyNAS backs up way too much

2010-01-28 09:10:54
Subject: Re: [Bacula-users] Bacula on Netgear ReadyNAS backs up way too much
From: Ben Laurie <ben AT links DOT org>
To: bacula-users AT lists.sourceforge DOT net
Date: Thu, 28 Jan 2010 13:32:26 +0000
No suggestions?

Can someone tell me how to list the files that were backed up? Even
better, how to find out _why_ they were backed up?

On 27/01/2010 14:32, Ben Laurie wrote:
> On 27/01/2010 13:50, Dan Langille wrote:
>> Ben Laurie wrote:
>>> Firstly: apologies if this issue is well known, gmane says this list
>>> either doesn't exist or is not indexed, so I can't search it :-(
>>
>> Try marc.info
>>
>>> I installed Bacula 3.0.3 from source on my ReadyNAS as a client to my
>>> FreeBSD 3.0.3 server. It seems to work OK, but incremental and
>>> differential backups back up far more than they should (10s of GBs, when
>>> the changes should be more or less none, or a GB or two at most), is
>>> this well known, if so, what do I do about it? If not, how would I go
>>> about diagnosing the problem?
>>
>> How do you know Bacula is *not* doing the tight thing?
>>
>> Bacula works on mtime (in general).  If the file has been modified,
>> it'll be backed up.
>>
>> Doesn't sound like a bug so far.
> 
> The evidence is somewhat circumstantial, I'll admit, becuause I haven't
> figured out how to tell exactly what it is backing up (how do I do that?
> "list files jobid=<blah>" gave me an empty list, for example), but I've
> seen it backing up at least some of my mp3 collection, including files
> which have not been modified. The collection used to live on a FreeBSD
> machine and did not get modified there, so I have no particular reason
> to think it is getting modified on the ReadyNAS, and indeed a find .
> -mtime -30 shows that only the expected files (i.e. new rips) are more
> recent.
> 
> Another way to look at it is pretty much everything on the ReadyNAS used
> to be on some other system, but since I moved it, the backup volume has
> gone _way_ up.
> 
> And another is that an incremental the day after a full is backing up
> about 1/3 of the total disk used (i.e. about 50 GB out of 150) and
> there's just no way 50 GB of mostly static stuff (mp3s and photos) has
> been modified (at least, not intentionally, but that seems to be
> confirmed by find as above).
> 
> Cheers,
> 
> Ben.
> 


-- 
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