Hi all Now the per device sysfs interface file state can change failfast. Do we need a new file for failfast? I did a test. The steps are: mdadm -CR /dev/md0 -l1 -n2 /dev/sdb /dev/sdc --assume-clean cd /sys/block/md0/md/dev-sdb echo failfast > state cat state in_sync,failfast Best Regards Xiao On Sat, Oct 9, 2021 at 7:36 AM Song Liu <song@xxxxxxxxxx> wrote: > > On Thu, Oct 7, 2021 at 8:22 PM Li Feng <fengli@xxxxxxxxxx> wrote: > > > > When the running RAID1/RAID10 need to be set with the fail_fast flag, > > we have to remove each device from RAID and re-add it again with the > > --fail_fast flag. > > > > Export the fail_fast flag to the userspace to support the read and > > write. > > > > Signed-off-by: Li Feng <fengli@xxxxxxxxxx> > > Thanks for the patch! I applied it to md-next, with some changes in the > commit log. > > Thanks, > Song >
