Re: Software RAID on SPARC64

[Martin <inkubus@interalpha.co.uk>]

On Mon, 2005-07-18 at 14:06 -0400, Sam Creasey wrote:
> Not sure this is actually it (I'm just guessing here), but are you
> starting the raid partition on cylinder 0?   Or cyl 1?   I *think* (though
> I'm not sure) that starting on cylinder 0 actually puts the disklabel into
> the beginning of the partition itself.  This isn't a problem for UFS, as
> UFS leaves 8k unused at the beginning of the FS, but it might be a problem
> for md.
> 
> Again, that's just a shot in the dark, take it for what it's worth.
This sounds familiar.  I certainly remember having to go back and
re-partition starting on 1 not 0 to avoid eating the disklabel and
partition table.  Can't remember what the symptoms where but I'm pretty
sure it was on the machine that runs a RAID array...

Cheers,
 - Martin