From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Ni Subject: [mdadm PATCH 1/1] mdadm/test: Add one test case for raid5 reshape Date: Thu, 13 Jul 2017 17:14:19 +0800 Message-ID: <1499937259-16791-1-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, shli@kernel.org 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 | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/tests/02r5grow b/tests/02r5grow index 386e82e..14d05d6 100644 --- a/tests/02r5grow +++ b/tests/02r5grow @@ -34,3 +34,15 @@ 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 +mdadm --wait $md0 + +mdadm -S $md0 +mdadm -As +mdadm -Ss -- 2.7.4