> -----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! -- //Sorin