# debugging options
-#set -x
+set -x
#set >&2
dir=/usr/share/ganeti/extstorage/zfs/
# zfs pool and file system (existing) where to create block devices
test -z "$EXTP_ZFS" && EXTP_ZFS=tmp500g/$EXTP_VG
+# show numbers without compression for volume sizes
+test -z "$EXTP_USED" && EXTP_USED=logicalused
+
export VOL_NAME
zfs_get() {