Merge pull request #1018 from dachary/wip-vstart-fsid

vstart: set fsid in [global]

Reviewed-by: Sage Weil <sage@inktank.com>

src/vstart.sh

@@ -322,6 +322,7 @@ if [ "$start_mon" -eq 1 ]; then
 		        cat <<EOF > $conf
 ; generated by vstart.sh on `date`
 [global]
+        fsid = $(uuidgen)
         osd pg bits = 3
         osd pgp bits = 5  ; (invalid, but ceph should cope!)
         osd crush chooseleaf type = 0