Incorrect file size?

[Krassimir Slavchev]

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Jeremy Chadwick wrote:
> On Mon, Jun 23, 2008 at 09:56:48AM +0300, Krassimir Slavchev wrote:
>> Ivan Voras wrote:
>>> Rink Springer wrote:
>>>> On Fri, Jun 20, 2008 at 03:54:22PM +0200, Ivan Voras wrote:
>>>>> Except that the file in question should be, judging by the filename, a
>>>>> simple text file. I don't really see how a whitelist could grow to such
>>>>> monstrous sizes :) Most likely it's a file system corruption - fsck
>>>>> should be the first thing to try.
>>>> The 'vscan' user leads me assume this is SpamAssassin - I've seen this
>>>> behaviour at work, where our scripts were trying to backup a 1TB file
>>>> (which actually was ~vscan/.spamassassin/auto-whitelist). The result was
>>>> that the backup script died due to lack of disk space on the backup
>>>> server (as we don't use compression).
> 
> I've used SpamAssassin for a few years now, and I've never seen this
> happen (including during migration from RELENG_6 to RELENG_7, and
> between SpamAssassin versions (from 3.0 to 3.2.x).  I cannot even begin
> to imagine how that file reached such a size, which is why I believe the
> issue may be filesystem corruption.
> 
> I will take a moment to point out something I do whenever SpamAssassin
> gets upgraded, though: I always delete bayes_* and auto-whitelist files
> from .spamassassin, on every account.  I do this because there have been
> cases in the past where the data format has changed in the DB, and SA
> hasn't done a good job of seamlessly migrating them.

I have made several upgrades but have never deleted these files.
> 
>> Yes, it is SpamAssassin and I have the same problem with the backups.
>> The Amanda complains with:
>>  xxxxxxxxxxx  /  lev 1  FAILED [dump larger than available tape space,
>> 307256178 KB, skipping incremental]
>>  yyyyyyyyyyyy / lev 4 FAILED [dump larger than tape, 354005617 KB,
>> skipping incremental]
> 
> There isn't any way to solve this problem.  The file, as far as dump is
> concerned, is indeed 3TB.
> 
>> I don't think this is a file system corruption because there are no
>> reasons for this. Also I have seen this on different machines.
> 
> I can point you to all of the threads in the past year where users have
> had mysterious problems with their filesystems, which have been fixed by
> booting single-user and fsck'ing.  That may not be the problem here,
> but it doesn't hurt for you to do it "just in case" now does it?
> 
> If it happens on multiple machines, I've only two recommendations:
> 
> 1) Try what I said above (delete the bayes_* and auto-whitelist files).
> If SpamAssassin recreates them as 3TB, then there is indeed a problem
> with your system(s), because mine do not do that.

I have deleted these files and the SpammAssassin recreated them
correctly (16384 bytes initial size).
> 
> 2) Consider migrating to dspam instead, which supposedly has a much
> greater success rate of blocking spam.

Yes, I will do this ASAP. Thanks for the point.
> 

Thanks for all responses!

Best Regards


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