Re: Peculier raidframe problems

[Greg Oster <oster%netbsd.org@localhost>]

On Fri, 19 Dec 2014 15:03:48 +0000
Dave Tyson <dtyson%anduin.org.uk@localhost> wrote:

> On 12/19/14 00:49, Greg Troxel wrote:
> >
>  > Does dmesg show any disk errors?  Can you dd from the disk
>  > to /dev/null without errors?
>  >
> 
> No disk errors reported. I started a dd of /dev/rwd1d to /dev/nulland 
> this was over halfway through when the UPS threw a wobbler and caused
> a reboot. When the system came back raid0 showed both disks optimal.
> 
> No idea why the problem arose or how it fixed itself - but I'll take
> fs dump to tape which should flush out any problems...
> 
> Sorry for the noise!

Hmmmmm.... it shouldn't just 'fix' itself like that..... I'd do a
'rebuild-in-place' ('raidctl -R')  on whatever component was last to
join... otherwise you run the risk of at some point reading in corrupt
data...

Later...

Greg Oster