Re: [BackupPC-users] problem purging files & with pool size

On 09/29 01:09 , Holger Parplies wrote:
> > /dev/sda1             147G  135G  4.5G  97% /home/backuppc
> 
> You might try temporarily increasing $Conf{DfMaxUsagePct} to 97 or 98 (and
> then run a backup or wait for one to run automatically). Depending on how
> large your backups typically are, you might even keep it there (7.35GB (5% of
> 147GB) is a lot of space to keep reserved - unless your backups are typically
> that large; how much space do you need so that $Conf{MaxBackups} backups can
> be started and complete without the FS filling up?).

The issue with running a disk that full, is that due to the limited space,
the disk head seeks around a lot to find open space to put fragments of
files. Disk performance degrades measurably above 50% filled; and
filesystem performance breaks down badly above 90% full. The extra seeks
may shorten disk life notably.

-- 
Carl Soderstrom
Systems Administrator
Real-Time Enterprises
www.real-time.com

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