process each instance only once

Useful for instances with more than one disk

diff --git a/gnt-drbd-secondary-rebuild.sh b/gnt-drbd-secondary-rebuild.sh
index 57c9fd9..0b22e63 100755 (executable)
--- a/gnt-drbd-secondary-rebuild.sh
+++ b/gnt-drbd-secondary-rebuild.sh
@@ -3,7 +3,7 @@
 test -z "$1" && echo "Usage: $0 node" && exit 1
 node=$1
 
-gnt-node list-drbd --no-headers $node | grep secondary | awk '{ print $3 }' | while read instance ; do
+gnt-node list-drbd --no-headers $node | grep secondary | awk '{ print $3 }' | sort -u | while read instance ; do
        echo "## $instance";
        gnt-instance stop $instance
        gnt-instance modify -t plain $instance