From 964185d1a267ddcf79ac3517bc7145a141ea3c32 Mon Sep 17 00:00:00 2001
From: Florian Pritz <bluewind@xinu.at>
Date: Sun, 15 Mar 2015 23:51:26 +0100
Subject: add zfs snapshot helpers

Signed-off-by: Florian Pritz <bluewind@xinu.at>
---
 zfs_snapshot_cleanup.sh | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100755 zfs_snapshot_cleanup.sh

(limited to 'zfs_snapshot_cleanup.sh')

diff --git a/zfs_snapshot_cleanup.sh b/zfs_snapshot_cleanup.sh
new file mode 100755
index 0000000..ba743ac
--- /dev/null
+++ b/zfs_snapshot_cleanup.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+if (($#<3)); then
+	echo "usage: ${0##*/} <filesystem|volume> <snapshot prefix> <number of snapshots to keep>"
+	exit 1
+fi
+
+filesystem=$1
+snapshotname=$2
+keep=$3
+
+keep=$((keep+1))
+
+zfs list -H -t snapshot -o name -S creation -d1 "$filesystem" | grep "^$filesystem@$snapshotname" | tail -n +$keep | xargs -r -n 1 zfs destroy -r
-- 
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