[K12OSN] RAID1 failure: need help

[Les Mikesell]

On Fri, 2005-09-30 at 21:03, Timothy Legge wrote:

> > Assuming you can shut the machine down, swap in a good drive for
> > sdb - preferably one with no linux filesystem labels or raid
> > partitions that might confuse things on the initial boot.
> 
> When I had this occur, it was a case of a power outage causing the disks 
> to break the raid set.  I reviewed everything including running the 
> manufacturers tool to determine whether there was a drive issue.  There 
> was not, and I have been running with raid for a month or more since I 
> re added the missing partitions and I have not had any further issue.

That can happen, but the 'dmesg' log posted showed hardware errors
reading sectors.  I'd at least want to low-level it before trying
again and it's pretty likely to be a bad drive.
 smartctl -a /dev/sdb  might tell you how bad.

-- 
  Les Mikesell
    les at futuresource.com