3. try instance creation with something similar to
gnt-instance add -t ext --disk=0:size=10G,provider=zfs \
- --disk=1:size=20G,provider=zfs \
- -n arh-hw --no-name-check --no-ip-check \
- -o debootstrap+default -B maxmem=512M zfs-ext-test
+ --net 0:mode=bridged,link=br1001 \
+ --net 1:mode=bridged,link=br0060 \
+ --net 2:mode=bridged,link=br0080 \
+ --no-name-check --no-ip-check \
+ -o debootstrap+default \
+ -B maxmem=1G -n arh-hw zfs
+4. install helper scripts for daily block snapshots
+
+ ln -sf /usr/share/ganeti/extstorage/zfs/bin/daily-block-snapshot /etc/cron.daily/
+
+
+HELPER SCRIPTS
+
+Helper scripts in bin directory to list volumes, show size or snapshots.
+
+
+KNOWN BUGS
+
+- in current ganeti, gnt-backup export doesn't work because extstorage
+ snapshoot hook is not available