[Dirvish] Too much disk space for images

Jenny Hopkins hopkins.jenny at gmail.com
Fri Oct 2 13:22:39 UTC 2009


2009/10/2 Paul Slootman <paul at debian.org>:
> On Fri 02 Oct 2009, Eric Smith wrote:
>>
>> While I definitely agree that looking at the logfiles is helpful,
>> remember that an image (call it C) might have contained few delta files
>> when it was created, because the files were in a previous image B, but
>> not in an even earlier image A. If B is deleted before A, then C will
>> now hold the only reference to those files it had in common with B,
>> giving C a larger image size (as reported by du) than when it was
>> created (as reported in the logfile).
>
> So, be sure to check for unexpectedly large incrementals every day :-)
>

Good point well made :-)

After this, I think I'll write a small script to run after the dirvish
cronjob every day, that backups up that images log file to a separate
directory and alerts me if there is an unexpectedly high data
transfer.

Jenny


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