Rules of the Road for Fibre Channel Interop
From: news.directlink.net (cdmccane_at_directlink.net)
Date: 02/22/04
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Date: Sun, 22 Feb 2004 09:18:22 -0600
Being relatively new to fibre channel, I need to gain more awareness of what
works and what to expect. Maybe some gurus here on usenet can help. I
discovered that my Sun X6730A (FC100/S) card will not correctly communicate
with a Clariion FC5700 DPER. I don't understand why. Doesn't everyone follow
the ANSI standard for Fibre Channel? Is the standard kinda "loose" or what?
I've seen a number of shops with large systems that had Fibre Channel cards
from 2 or 3 different vendors talking to arrays from different vendors. I
never really considered why. I think I'm beginning to get a clue about
this.
In my configuration I can see one device out on the Fibre Channel. It is
identified as a DGC (Data General, creator of Clariion). This device has 3
LUN's available (yes, I already did the sd.conf). But any further
communication beyond the format command to see available drives results in
"SCSI transport failed: reason 'timeout': retrying command."
It seems like connecting an FC100/S to a Clariion is like breaking the
main law of Fibre Channel: Never expect interoperability between any two
given devices. Is that true or am I just making some kind of configuration
mistake with the drivers or the OS? Any help is appreciated.
Charles McCane
Dallas, TX.
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