Re: [BackupPC-users] How scalable is backuppc?
2009-03-14 21:58:42
Chris Robertson wrote:
> How many hosts do you back up?
>
About 30 are active, 12 are sporadic (laptops, etc). Total that gets
written out to off site backup is about 300GB of data a day, compressed.
> What does df -i show for the mount point?
>
/dev/sdb1 6.4G 19M 6.3G 1%
> Did you use an external log?
>
No.
> Did you use any other specific optimizations when creating the file
> system (version 2 log, modified suint and/or swidth)?
>
No. Default options for Debian etch. This filesystem has been
xfs_growfs'd a few times after being dd'd to a new volume, since it's
impossible to back it up with xfsdump|xfsrestore. I mount with noatime,
and logbufs=8
> How big is the filesystem?
>
6.4TB, and 2.8TB is in use, with 2TB or so of that being backuppc's.
> [root@archive-1 ~]# xfs_db -c frag -r /dev/sdb1
> actual 41673387, ideal 40843714, fragmentation factor 1.99%
actual 10977124, ideal 10669547, fragmentation factor 2.80%
Mike
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