On Mon, Jan 30, 2012 at 09:43:37AM +0000, Joe Thornber wrote: > On Mon, Jan 30, 2012 at 06:29:54AM +0000, Kirby Zhou wrote: > > Can the thinly-provisioned logical volume automatically return its owned space to the pool? > > I mean, if I create a huge file on the logical volume, then delete it, will the logical volume actual space size be reduced automatically? > > If not, how can it be shrinked? > > > Discard support is currently in testing. Should go upstream soon. Note that you'll also need filesystem support for that, too. Currently no filesystem enables online discard by default, and at least directly on SSDs the impact is rather bad on all Linux filesystems. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
