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List:       gfs-devel
Subject:    [gfs-devel] Re: [gfs-users] hardware question: IBM EXP300 and ServerRAID-4H cards
From:       Chris Anderson <chris.anderson () dotwap ! com>
Date:       2001-01-18 4:13:08
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"Michael J. Declerck" wrote:
> 
> Chris,
> 
> I haven't looked these products since joining Sistina but my recollection
> was that the Exp300 was just an external disk storage cabinet and the
> ServerRaid
> PCI cards where PCI based RAID controllers.  If that is the case I am not
> sure how you would be able to share the drives in the Exp300 unless there
> are two host ports on the Exp300.

This is indeed the case; the docs that come with it have instructions for
setting up the MS clustering service for NT and 2000, but nothing in this
regard for Linux. It does mention that shared logical drives need to be
set up in write-through mode as opposed to write-back (though there is no
definition of either on in the install manual).

> If this isn't the case could you send me a pointer to where I could find some
> technical docs on this hardware?  Once I have looked at it I will hopefully
> have a better understanding of how to set it up for GFS access.

All the info that I have is available from the IBM website; I can send
you some URLs privately i you require. The printed docs that came with
the items in question are basically dead tree versions of the PDFs on the
website.

> Sorry that I can be more helpful at this time.

Any help is better than none; whatever ideas pople have is appreciated.

Cheers, Chris.
-- 
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