Re: raid5: I lost a XFS file system due to a minor IDE cable problem

David Chinner
2007-05-28T23:06:19Z

On Mon, May 28, 2007 at 01:17:31PM +0200, Pallai Roland wrote:
> On Monday 28 May 2007 04:17:18 David Chinner wrote:
> > Hmmmm. A quick look at the linux code makes me thikn that background
> > writeback on linux has never been able to cause a shutdown in this case.
> > However, the same error on Irix will definitely cause a shutdown,
> > though....
> I hope Linux will follow Irix, that's a consistent standpoint.

I raised a bug for this yesterday when writing that reply. It won't
get forgotten now....

> David, have you a plan to implement your "reporting raid5 block layer"
> idea? No one else has caring about this silent data loss on temporary
> (cable, power) failed raid5 arrays as I see, I really hope you do at least!

Yeah, I'd love to get something like this happening, but given it's about
half way down my list of "stuff to do when I have some spare time" I'd
say it will be about 2015 before I get to it.....

Cheers,

Dave.
--
Dave Chinner
Principal Engineer
SGI Australian Software Group