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SubjectRe: Qlogic/FC firmware

> >>>>> "Matthew" == Matthew Jacob <> writes:
> Matthew> It's not just a question of having firmware updated into
> Matthew> flash- which, btw, companies like Veritas have shied away
> Matthew> from getting custoemrs to do because you *do* have a small
> Matthew> but finite amount of risk updating flash. It's also code that
> Matthew> as yet has to be written for qlogicfc (e.g.) that would pull
> Matthew> it *out* of flash so it can be pushed into SRAM (which is
> Matthew> what the BIOS code on other platforms do).
> Yeah vendors tend to like this idea, it's not just Veritas and QLogic
> who went down this path, unfortunately.
> Updating the flash does seem very easy, and the good thing about the QLA
> adapters is that you can reflash even if you screwed up in the first
> place. Yup I tried that ;) Writing the flash utility seems like a piece of
> cake in this as well. What doesn't look as easy is to figure out that
> directory structure of the firmware images ;-( Any chance you got some
> data on that?

There are x86 utilities from Qlogic to *write* the flash. Reading the flash
isn't that hard itself. There is no documentation as to flash layout. Older
versions of the Linux driver say where they keep a copy of the current target
to WWN mapping in flash (which is a 'maybe not so bright' idea).

We could ask them where it is.


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