On Jun 23, 2011, at 9:44 PM, Marian Marinov <mm at yuhu.biz> wrote: > On Friday 24 June 2011 04:34:20 Smithies, Russell wrote: >> We have a single 27TB partition (35 x 1TB drives as RAID5+0 in an HP >> MDS600), just formatted it xfs and had no problems with it so far. It's >> used as scratch space so not too concerned about performance. >> >> --Russell >> > > I have compared the performance of both XFS and Ext4. And since I use those > big machines for backups, for me the write performance was very important. > XFS was almost twice slower. > > But lets leave XFS alone :) Ext4 is the way to go :) I use XFS for ESX NFS datastores and performance is very good for myself. Though I know that XFS will only perform as good as the underlying physical storage and Ext4 may use more aggressive caching which makes less performant storage seem better. -Ross