From: Zhilong Liu <zlliu@suse.com>
Date: Tue, 16 Jan 2018 09:45:07 +0000 (+0800)
Subject: mdadm/clustermd_tests: add test case to test grow_resize cluster-raid1
X-Git-Tag: mdadm-4.1-rc1~34
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fd24893e7ba54fe38d561ad51c68d6fbb33377d4;p=thirdparty%2Fmdadm.git

mdadm/clustermd_tests: add test case to test grow_resize cluster-raid1

01r1_Grow_resize: Create clustered raid1 with smaller size, then
resize the mddev to max size, finally change back to smaller size.

Signed-off-by: Zhilong Liu <zlliu@suse.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
---

diff --git a/clustermd_tests/01r1_Grow_resize b/clustermd_tests/01r1_Grow_resize
new file mode 100644
index 00000000..6d6e22a7
--- /dev/null
+++ b/clustermd_tests/01r1_Grow_resize
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+size=10000
+
+mdadm -CR $md0 -l1 -b clustered --size $size -n2 $dev0 $dev1 --assume-clean
+ssh $NODE2 mdadm -A $md0 $dev0 $dev1
+check all nosync
+check all raid1
+check all bitmap
+check all state UU
+
+mdadm --grow $md0 --size max
+check $NODE1 resync
+check $NODE1 wait
+check all state UU
+
+mdadm --grow $md0 --size $size
+check all nosync
+check all state UU
+check all dmesg
+stop_md all $md0
+
+exit 0