On Mon, Oct 6, 2008 at 8:49 AM, Francois Cami <fcami@xxxxxxxxxx> wrote: > On Mon, Oct 6, 2008 at 8:28 AM, Kinkie <gkinkie@xxxxxxxxx> wrote: >> On Mon, Oct 6, 2008 at 5:01 AM, Rafael Gomes <linux.rafa@xxxxxxxxx> wrote: >>> With ReiserFS or xfs we must set this options too? >>> >>> options : noatime, nodiratime, data=writeback >> >> data=writeback is ext3-specific, the others should be available and if >> so they are to be specified for maximum performance. >> in case of reiserfs you should also specify notail. >> There's some hints at http://wiki.squid-cache.org/BestOsForSquid > > I would not run an ext3 filesystem with data=writeback . noatime and > nodiratime provide a welcome boost by eliminating unneeded writes, > however writeback is not {powerfailure, system crash}-safe. If you > value your time (especially the time spent putting systems back up > after a system failure), you should use data=ordered. That's of course a possibility. It all boils down to the usual performance vs. resiliency tradeoff, and it depends on each sysadmin's unique operational situation. -- /kinkie