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... Franck Le mardi 24 mai 2011 Ã 11:20 +0200, Franck Routier (personnel) a Ãcrit : > 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. > > I am using kernel 2.6.38. > > My question is : is there a chance that TRIM command makes its way to > the disks through LVM ? I've read contradictory informations on the web > and I'm sure this is the best place to ask. > > My second question is : how would I make _sure_ it works ? > I've found a way to do it with hdparm --fibmap and hdparm --read-sector > here http://askubuntu.com/questions/18903/how-to-enable-trim > > But I don't think this can work with LVM. Would there be a similar way > to make sure it is working while using LVM ? > > Thanks a lot, > > Franck > > _______________________________________________ > 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/ _______________________________________________ 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/
