On Tue, May 24 2011 at 5:51am -0400, Franck Routier (personnel) <alci@mecadu.org> wrote: > I found this commit > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=7b76ec11fec40203836b488496d2df082d5b2022 > that suggests it could work, but I'm not sure at all... Yes, that is the commit that added discard support to the stripe target, it works. > Le mardi 24 mai 2011 à 11:20 +0200, Franck Routier (personnel) a écrit : > > Hi, > > > > I have set-up of server with 4 SSDs (OCZ Vertex 2) stripped using LVM. > > Logical volume has been created using the -i 4 option (iostat confirms > > that the 4 disks work in parallel when I write a file). > > > > Ext4 fs is used on the volume, mounted with -discard option. When using -o discard, ext4 will log a warning if a discard failed (and will disable discards). So ext4 is a great indicator for whether discards are working on your striped LV volume. Mike _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
