Re: raid 10 su, sw settings

Iustin Pop
2008-01-01T01:16:51Z

On Mon, Dec 31, 2007 at 05:54:04PM -0500, Brad Langhorst wrote:
>
> On Mon, 2007-12-31 at 22:42 +0100, Iustin Pop wrote:
> > On Mon, Dec 31, 2007 at 03:55:01PM -0500, Brad Langhorst wrote:
> > > Any opinions on the partition layout? Did you go to special effort to
> > > layout your partitions on the stripe boundaries (actually i don't really
> > > understand this fully yet).
> >
> > So instead of the usual 255 heads, 63 cylinders fake geometry that is
> > not a multiple of anything, I setup 16h/16c geometry that gives a nice
> > power-of-two multiplier so all partitions *should* be aligned at a nice
> > multiple of any size you choose; fdisk -l on the drive reports units of
> > 128k.
> Sorry to be thick... i don't understand this.
> Do you configure the raid controller with these settings? or is this an
> fdisk option?

Note: I'm not even sure it matters, or if I did it right :)

It's an fdisk option. For example, "fdisk -H 16 -S 16 /dev/sdX".

Also, happy new year!
iustin