On 11/30/20 10:31 AM, Guoqing Jiang wrote: > > > On 11/19/20 12:41, Zhao Heming wrote: >> mkfs.xfs /dev/md0 > > This would make people think clustered raid can co-work with local fs well ... This issue came from real customer issue. For easy understanding, I simplify the scenario. The real usage is customer exports clustered array to only one virtual-machine as storage (xfs on it). The host side follows clustered rules, use clustered lvm volumes on top of clustered array. > >> mdadm --manage --add /dev/md0 /dev/sdi >> mdadm --wait /dev/md0 >> mdadm --grow --raid-devices=3 /dev/md0 >> >> mdadm /dev/md0 --fail /dev/sdg >> mdadm /dev/md0 --remove /dev/sdg >> mdadm --grow --raid-devices=2 /dev/md0 > > The above is good fit for a new test case in mdadm. > A new test case may name: 02r1_Grow_add_remove When I have time, I will do this job. > Thanks, > Guoqing > Thanks.
