> It's working fine with backup-restore.
>
> I have check the code of rbd block driver,
>
> and it's seem to miss the bdrv_co_write_zeroes feature.
>
> (Which is not use by backup-restore).
in block/backup.c:
if (buffer_is_zero(iov.iov_base, iov.iov_len)) {
if (job->dump_cb)
Hi,
I was testing drive-mirror to rbd storage, and it's seem that zero block are
written to rbd storage,
so thin provisioning don't work.
It's working fine with backup-restore.
I have check the code of rbd block driver,
and it's seem to miss the bdrv_co_write_zeroes feature.
(Which is not use