Re: Question: how to identify failing disk in a RAID1

[Bill Davidsen <davidsen@xxxxxxx>]

Maurice Hilarius wrote:
> Bill Davidsen wrote:
> > ..
> > cd /sys/block/md0/md
> > echo check >sync_action; cat mismatch_cnt
> Hi Bill,
>
> I am doing this as root.
> I am seeing:
>
> [root@localhost md]# echo check >sync_action; cat mismatch_cnt
> -bash: echo: write error: Device or resource busy
> 0
>
> any suggestions?

First, did you cd to the /sys/block/mdX/md directory? And did you wait 
for the check to finish, watching /proc/mdstat?
I left that out, assumed you had read it in the man pages...

--
Bill Davidsen <davidsen@xxxxxxx>
 "Woe unto the statesman who makes war without a reason that will still
 be valid when the war is over..." Otto von Bismark 


--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html