From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Ni Subject: [PATCH -v2 1/1] mdadm/test: Add one test case for raid5 reshape Date: Mon, 17 Jul 2017 17:27:07 +0800 Message-ID: <1500283627-15195-1-git-send-email-xni@redhat.com> Return-path: Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org Cc: jes.sorensen@gmail.com List-Id: linux-raid.ids This case trys to allow raid5 reshape to use backwards direction. It changes chunksize after reshape and stop the raid. Then start the raid again. Signed-off-by: Xiao Ni --- tests/02r5grow | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/tests/02r5grow b/tests/02r5grow index 386e82e..64c5599 100644 --- a/tests/02r5grow +++ b/tests/02r5grow @@ -34,3 +34,16 @@ check nosync sh tests/testdev $md0 3 $[size/2] 128 mdadm -S $md0 + +# create a raid5 array and change the chunk +mdadm -CR $md0 --level raid5 --metadata=1.1 --chunk=32 --raid-disks 3 --size $[size/2] $dev1 $dev2 $dev3 +check wait +check state UUU + +mdadm $md0 --grow --chunk=64 +check reshape +check wait + +mdadm -S $md0 +mdadm -As +check state UUU -- 2.7.4