[2537] in SIPB-AFS-requests

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Re: Enclosure for new AFS server's disks

daemon@ATHENA.MIT.EDU (Greg Hudson)
Mon Nov 4 11:48:05 1996

To: Jonathon Weiss <jweiss@MIT.EDU>
Cc: Greg Hudson <ghudson@MIT.EDU>, sipb-afsreq@MIT.EDU
In-Reply-To: Your message of "Mon, 04 Nov 1996 11:39:03 EST."
             <199611041639.LAA16762@tla.MIT.EDU> 
Date: Mon, 04 Nov 1996 11:43:31 EST
From: Greg Hudson <ghudson@MIT.EDU>

> Also, how flexable is the enclosure about SCSI busses?  can we use
> it for both busses on an ss5?  more busses than that? 6 or 7 devices
> on a bus (should we decide we want to do that?

I believe that SCSI cabling is done externally, so you can play
arbitrary games, although it won't help reduce your SCSI chain length.

> It depends, is it easy to get individual disks out if one disk dies?
> Or does an AFS server have to stay down for the entire time someone
> sits there and removes n screws takes out the disk and replaces the
> screws?

Not sure on this one.  Obviously, if we use the same enclosure for
multiple machines, this is a serious concern.  I'll try to find out.

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