On Mon, Dec 10, 2012 at 11:37:50AM -0600, Matt Garman wrote: > OS is CentOS 5.6, home directory partition is ext3, with options > “rw,data=journal,usrquota”. Is the data=journal option really wanted here? Did you try with the other journalling modes available? I also think you are missing the noatime option here. The wiki has some information about raid math and ext3 journalling modes: http://wiki.centos.org/HowTos/Disk_Optimization > At one point, our problems were due to a random user writing a huge > file to their home directory. This is the case in data=journal mode; the server has to write the data twice on disk. -- Nicolas