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#!/usr/bin/env bash
set -ex
IMAGE_NAME="stable-writes-test"
rbd create --size 1 $IMAGE_NAME
DEV=$(sudo rbd map $IMAGE_NAME)
[[ $(blockdev --getsize64 $DEV) -eq 1048576 ]]
grep -q 1 /sys/block/${DEV#/dev/}/queue/stable_writes
rbd resize --size 2 $IMAGE_NAME
[[ $(blockdev --getsize64 $DEV) -eq 2097152 ]]
grep -q 1 /sys/block/${DEV#/dev/}/queue/stable_writes
sudo rbd unmap $DEV
echo OK
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