rewrote documentation to provide easier steps

[ganeti-extstorage-zfs] / create

diff --git a/create b/create
index ac011d1..bd6f35b 100755 (executable)
--- a/create
+++ b/create
@@ -2,4 +2,5 @@
 
 . /usr/share/ganeti/extstorage/zfs/defaults.sh
 
-zfs create -V ${VOL_SIZE}M $EXTP_VOL_PARAM $EXTP_BLOCK/$VOL_NAME
+test -e /dev/zvol/$EXTP_ZFS/$VOL_NAME || \
+zfs create -V ${VOL_SIZE}M $EXTP_CREATE $EXTP_ZFS/$VOL_NAME