Striping in AutoRaid

[Andreas Voss]

Hi,

LVM striping is the best way to
use both AutoRaid controllers
simultaneously. With out
striping, LVM fills up the
physical volumes (LUNs)
sequentially so even if you
created a Volume Group of more
than one physical volume (LUN),
it would only use one controller
until the first physical Volume
was full. LVM striping requires
at least 3 Physical Volumes
(LUNs). So, if you only had one
AutoRaid you would want to divide
it into 3 or 4 equal size LUNs.
With 2 AutoRaids, you would want
to stripe across physical volumes
(LUNs) on both AutoRaids so you
would be using all 4 controllers
simultaneously. Thus 2 LUNs on
each AutoRaid would be
sufficient.
(This is an extract of a thread at the 'Mass Storage' forums)

Regards