make volume group default to standard vg name

diff --git a/kvm-creator b/kvm-creator
index b27af0a940f6f7172382504fa5a43f34f35a1407..744cb960fc6e38223c62abf98067b74eeffab3b7 100755 (executable)
--- a/kvm-creator
+++ b/kvm-creator
@@ -9,7 +9,7 @@ CMD="$1"
 shift
 
 NAME="$1"
-VG="$2"
+VG="${2:-vg_$(hostname)0}"
 SIZE="${3:-3G}"
 RAM="${4:-512}"
 DISK="/dev/mapper/${VG}-${NAME}"