The biggest point in favor of the 3390 style DASD is that the 3990
(emulated) takes care of the mirroring and multipathing for me, where the
FCP SAN disk is not mirrored or multipathed unless I do it myself in Linux.
You may gain some file transfer speed, but you pay for it in CPU.
--
.~. Robert P. Nix Mayo Foundation
/V\ RO-OC-1-13 200 First Street SW
/( )\ 507-284-0844 Rochester, MN 55905
^^-^^ -----
"In theory, theory and practice are the same, but
in practice, theory and practice are different."
On 3/26/07 11:09 AM, "Lionel B. Dyck" <[EMAIL PROTECTED]> wrote:
> I've heard several good reasons to have my zlinux images use dasd that is
> on the fibre connected san and a few for using the old tried and true
> dasd. What I'd like to find out is what is true and what isn't - basically
> what is considered the best practice for zlinux dasd.
>
> Thus - what do y'all think?
>
> Thanks in advance.
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