Anonymous_User Absent Member.
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Multipathing Support

Let me ask this a different way:

Does Netware 6.5 Multi-Pathing support work when using dual SCSI cards to
attach to a storage array or will it only work with Fibre cards?

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Anonymous_User Absent Member.
Absent Member.

Re: Multipathing Support

On Tue, 17 Apr 2007 04:15:26 -0700, Cathy <cleik@grpress.com> wrote:

> Let me ask this a different way:
>
> Does Netware 6.5 Multi-Pathing support work when using dual SCSI cards
> to attach to a storage array or will it only work with Fibre cards?


I can't give you a definitive answer, because I only know for for sure
that it *does* work for Fibre Channel. I'd think it possible that it does
work for dual scsi, but IIRC the driver has to handle a couple of special
commands (part of the Type 0 HACB set) added for multi-path support.

However, getting low-end FC arrays isn't too pricey these days, and the
SMB switches and HBAs are cheap. And a Fibre Channel setup can be
expanded (by adding more arrays, for an obvious example) much more easily
than a SCSI setup -- and just the better cabling options give you a lot of
flexibility, including easy moves of storage from one server to another.

If you're stuck with the MSA500 because it's on hand and the previous
claimant is willing it upon you, then a SCSI-FC bridge instead of a switch
might be an interesting way to go, or perhaps a virtualizing switch.

/dps

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