Xiao Ni <xni@xxxxxxxxxx> 于2021年10月11日周一 下午3:49写道： > > 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 This works, will it be persisted to disk? > > 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 > > >
