On 01/28/2016 03:44 PM, Simon Ironside wrote: > Btw, using virtio-scsi devices as above and discard='unmap' above > enables TRIM support. This means you can use fstrim or mount file > systems with discard inside the VM to free up unused space in the image.
Doesn't discard require the pc-q35-rhel7 (or equivalent) guest machine type, which in turn shoves a non-removable SATA AHCI device in the guest which can't be frozen and thus disables guest live migration? Has there been any change regarding this in a recent QEMU version? Thanks, -K. _______________________________________________ ceph-users mailing list [email protected] http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
