>  I think, LVM(1/2) and Snapshots should be mentioned here, because   
 >of it reduces the downtime to    
 >  stop citadel, set snapshotmark, (system starts to copy in   
 >background) restart citadel.   
 >  which could take several seconds instead of minutes/hours...   
   
 That is an interesting idea.  I think what we're going to do, though, is 
introduce some middle ground between "delete logs immediately" and "you're 
on your own."  In the near future I will add a way to let you select how 
long you want the logs to remain on disk, and the default will probably be 
7 days, or maybe 14 days.  Long enough that a reasonably well maintained 
site will have performed a couple of backups by the time a log file is 
deleted.  

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