[1019] in linux-scsi channel archive
Re: more scsi errors :(
daemon@ATHENA.MIT.EDU (Jon Lewis)
Mon Nov 25 18:26:40 1996
Date: Mon, 25 Nov 1996 12:37:22 -0500 (EST)
From: Jon Lewis <jlewis@inorganic5.fdt.net>
To: "Theodore Y. Ts'o" <tytso@mit.edu>
cc: Gerard Roudier <groudier@club-internet.fr>, ncr53c810@colorado.edu,
Linux SCSI Mailing List <linux-scsi@vger.rutgers.edu>
In-Reply-To: <9611251703.AA25323@dcl.MIT.EDU>
On Mon, 25 Nov 1996, Theodore Y. Ts'o wrote:
> You say there are six SCSI devices in the box --- how many of them are
> connected to your news server? You know about the SCSI chain length
> limitations, right? (The entire chain cannot exceed 5 meters, if I
> remember correctly.) You may want to consider borrowing a SCSI
> controller, and splitting the SCSI chain in half, half going to one SCSI
> cotroller, and half going to the other SCSI controller.
The system is as follows. News server has 2 NCR 810's, each has a granite
digital internal cable. scsi0 has 3 disks, scsi1 has 2 disks (both scsi0
and 1 have longish cables...but within specs according to granite.) The
mail server that also lives in there has another NCR 810 with 1 disk
attached with a run of the mill short cable.
I thought you had to sacrifice disks to the SCSI gods? I've often told
people about how we own 2 Micropolis 3243's and had 3 go bad in the first
few months. 150% failure rate...hmm. Won't be buying more of those. We
haven't had a failure since we started backing up religiously.
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