motivation example: drbd+zfs and gnt-backup

[ganeti-extstorage-zfs] / README

diff --git a/README b/README
index 9c45123..fda0dd7 100644 (file)
--- a/README
+++ b/README
@@ -2,6 +2,11 @@ Ganeti extstorage provider for local zfs volumes
 
 http://docs.ganeti.org/ganeti/master/html/man-ganeti-extstorage-interface.html
 
+It also encludes LVM emulation which enable zfs to work as plain disk type.
+
+This allows sage of drbd where one (or both) sides are on zfs, and supports
+gnt-backup export and import.
+
 INSTALLATION
 
 On node which will host zfs storage pool
@@ -24,8 +29,10 @@ daily-block-snapshot  purge-log
 Overview commands are available (try running them to see output):
 
 # ls bin/
-backup  ill  instance  list  node  snap
+adopt  backup  ill  instance  list  node
 
+backup and instance are wrappers for running gnt-* commands
+with same name on master node
 
 Create test instances: