We've seen the 360 second threshold broken and a failed update because
of that, even though Galera eventually synced fine, clusterchecks OK and
pcs status clean. This will give Galera more time to perform the sync.
Change-Id: I17207ec9b4038fb9540582c9b0b717f9b85a78b9
Closes-Bug: #
1538218
# seconds to wait for this node to rejoin the cluster after update
cluster_start_timeout=600
-galera_sync_timeout=360
+galera_sync_timeout=1800
cluster_settle_timeout=1800
timestamp_file="$timestamp_dir/$update_identifier"