On Wed, Nov 07 2012 at 5:03pm -0500, Andres Toomsalu <andres@active.ee> wrote: > Apparently that does not work - FITRIM ioctl not backported to RHEL6 kernel perhaps? > > fstrim -v /backup > fstrim: /backup: FITRIM ioctl failed: Operation not supported > > df -h > /dev/mapper/VolGroupL0-thin_backup 591G 104G 458G 19% /backup > > mount (added discard option today) > /dev/mapper/VolGroupL0-thin_backup on /backup type ext4 (rw,discard) ext4's FITRIM support was updated in RHEL6.3. Which version of RHEL6 are you running? _______________________________________________ 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/
