On 08/12/2015 09:46 AM, Peter Rajnoha wrote: > On 08/11/2015 04:35 PM, Mike Snitzer wrote: >> I'll have to defer to the lvm2 developers, I thought we added explicit >> logging when lvm2 issues discards (as part of lvremove, etc) -- Peter, >> and/or Alasdair? >> > > Yes, we log that like (visible in the verbose -vvv output): > > "Discarding X extents offset Y sectors on /dev/Z." > > Also, when removing a volume, we issue this message: > > # lvremove vg1/lvol0 > Do you really want to remove and DISCARD logical volume lvol0? [y/n]: > > For this, the "devices/issue_discards=1" must be set - it's not > by default. > Well, sorry, this applies for usual PVs, not thin pools (I overlooked the $subject and just saw the last question...) -- Peter _______________________________________________ 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/
