On Thu, Mar 31, 2016 at 1:05 PM, Grundmann, Christian < [email protected]> wrote:
> Hi, > > seems not to work with FC Storage, > > > > I Zero filled the Disk with dd, removed the file and did a fstrim which > told me it trimmed the right amount of space, > > But the disk Image stays full size. > 1. Did you use the hook? 2. Where did you see it's the same size? Should be looked at from the storage side (assuming, btw, it supports discard!) Y. > > Thx > > Christian > > > > *Von:* Yaniv Kaul [mailto:[email protected]] > *Gesendet:* Mittwoch, 30. März 2016 22:29 > *An:* Grundmann, Christian <[email protected]> > *Cc:* [email protected] > *Betreff:* Re: [ovirt-users] Reclaim disk space of thin disks > > > > > > > > On Wed, Mar 30, 2016 at 10:04 AM, Grundmann, Christian < > [email protected]> wrote: > > Hi, > > is there a way to „shrink“ a thin disk image to reclaim deleted space like > using virt-sparsify? > > > > Yes, if the underlying file system supports it (NFS, for example, might > need to be 4.2 and above). > > > > Or can it be done by making a snapshot and clone the VM to a new one? > > > > Another suggestion: use the VDSM hooks for discard ('diskunmap') and run > 'fstrim' from within the guest. > > Y. > > > > > > Thanks a lot > > Christian > > > _______________________________________________ > Users mailing list > [email protected] > http://lists.ovirt.org/mailman/listinfo/users > > >
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