[CentOS] [OT] Building a new backup server

Tue Nov 5 13:08:32 UTC 2013
Sorin Srbu <Sorin.Srbu at orgfarm.uu.se>

> -----Original Message-----
> From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
> Behalf Of Keith Keller
> Sent: den 4 november 2013 20:19
> To: centos at centos.org
> Subject: Re: [CentOS] [OT] Building a new backup server
> > What about this 1 GB RAM per TB disk-space for XFS in order to be able to 
> > do
> > an fsck?
> > I don't think I can fit that much RAM (40 GB) on this particular 
> > motherboard.
> That is somewhat of a guideline; I have done an fsck on largish
> filesystems with much less than 1GB RAM per 1TB storage.  I believe I
> have done an xfs_repair on a 25TB filesystem with only 4GB of memory
> (you pretty much need -P to do this).  It is true that you want to throw
> as much memory as you can at these filesystems, but if you can't then
> you can't.  Especially for your application (backup server) more RAM is
> helpful but not as essential.

Excellent, thanks!