Re: E4500 compatibility with new FC/SCSI arrays

From: Allen Wooden (spam_at_hole.educate.com)
Date: 01/28/05 

Date: Fri, 28 Jan 2005 20:08:33 GMT

On Thu, 27 Jan 2005 17:14:53 +0000, Tim Bradshaw <tfb@cley.com> wrote:

>* Steph wrote:
>
>> Our current version of Veritas is no longer supported and we've been
>> having lots of small niggling problems with the arrays over the years
>> (loops disappearing, arrays very occasionally locking up) so we're
>> begining to thing about upgrade/new storage options. Leaving aside the
>> option of upgrading our Veritas and trying to solve the array issues if
>> we were to go for new storage, it looks to me like there are two
>> options, namely new SCSI or new fibre
>
>This isn't answering your question, but we've had a fair amount of
>excitement with A5200s, and there are two issues which have made
>things better: make sure the disk firmware is right, and beware of
>taking disks out of some slots in the arrays. Wrong disk firmware
>seems to be able to cause intermittent total loss of contact with the
>array, and removing disks from the wrong slots can cause weirdo loop
>flapping problems.
>
>--tim

Any docs from sun that point to the slots that may give trouble?

I've had wierd loop problems on my A5x00's before as well.
It'd be great to know which slots were likely trouble makers.

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