bundles/zfs: print zfs status output if pool is not online

bundles/zfs/files/check_zpool_online

@@ -5,11 +5,14 @@ if [ $# -eq 0 ] ; then
     exit 3
 fi
 
-if [ "$(zpool status "$1" | grep '^ state:')" = ' state: ONLINE' ]
+status="$(zpool status "$1")"
+
+if [ "$(echo "$status" | grep '^ state:')" = ' state: ONLINE' ]
 then
     echo "OK - Pool '$1' is online"
     exit 0
 else
     echo "CRITICAL - Pool '$1' is FAULTY or NOT ONLINE"
+    echo "$status"
     exit 2
 fi