Lost my RAID

[Paul Howarth]

Martin Marques wrote:
> On Fri, 15 Sep 2006 14:42:16 +0100, Paul Howarth <paul at city-fan.org> wrote:
>>> Someone told me I would have to rebuild the array with mdadm, but I want
>> to know if I would loose data doing so.
>>
>> You should just be able to re-add sdb1 to the array and it'll rebuild in
>> the background. No data loss.
> 
> Thats what I'm seeing right now.
> 
> Now, the old entry of sdb1 is still in the md0, but with state removed. 
> 
> (output of mdadm -D /dev/md0)
> 
>     Number   Major   Minor   RaidDevice State
>        0       8        1        0      active sync   /dev/sda1
>        1       0        0        -      removed
> 
>        2       8       17        1      spare rebuilding   /dev/sdb1
> 
> 
> Is that OK?

Yes; the "removed" line should disappear when the rebuild is done IIRC.

Paul.