Re: [Evms-devel] RAID and BBR problem

[Mike T. <mh...@us...>]

Hi Daniel,

On Sun, 2006-07-30 at 02:09 +0200, Daniel Vencler wrote:
>    Hi,
> I need little help with EVMS. I had RAID 5 array (md0) of 8 disks
> (sda_bbr - sdh_bbr) and I had failure. After replacing disks I used
> add spare command from EVMS ncurses gui. Problem is that
> this added disk had same index as one other disk in array, so
> I couldn't get it out from degraded mode, so I had to remov this
> newly added disk from array with mdadm. After reboot I can't get
> this array working even in degraded mode. I have tried to assemble
> array with mdadm but when I try, mdadm complaind that there is no
> md superblock on disk.

Do you remember which disk failed and which disk was added?

> 
> mdadm -E /dev/evms/.nodes/sda_bbr
> mdadm: No super block found on /dev/evms/.nodes/sda_bbr (Expected
> magic a92b4efc, got 00001f8e)

That's weird!!!  If sda_bbr is activated, mdadm should have recognized
the superblock.

> 
> But what is funny is that  EVMS can detect md superblock but it does
> not include
> sdh_bbr in array, and for sdg_bbr it said it is stale. Thing is that I
> never touched sdh_bbr,
> I have just markef faulty and removed sdg_bbr.
> 
> Has anyone have idea hov can I recover my array?
> 
> 

Please run evmsn -d debug and send me the log file.

-- Mike T.