[Dirvish] Excessively Long backups on a Postfix Mailder vault with Dovecot as the IMAP server

Damian Cunniff dcunniff_lists at inforefinery.com
Wed Mar 19 18:27:44 UTC 2008

Kenneth Lerman wrote:
> The standard log rotate takes files:
> log gets renamed to log.1
> log.1 gets renamed to log.2
> log.2 gets renamed to log.3
> ...
> log.n-1 gets renamed to log.n
> log.n gets deleted.
> Renaming is very bad for dirvish because it doesn't know about it. So every 
> time the logs are rotated, you will get a new copy of each instead of just a 
> link.
> The dateext option to logrotate will do:
> log gets renamed to log.20080320
> log.20080319 gets kept
> log.20080218 gets kept
> ...
> log.2008?? gets deleted
> (I'm not sure if this is the exact date format.)
> That mean links can be used and the only new files will be the ones for the 
> current dates.
> Ken

Of course... That makes complete sense

Thanks for the explanation, I'll check that out.  I'm sure that's why my 
lib vaults are so large each night


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