kdavis@lamc.UUCP (Ken Davis) (05/03/89)
Info-3b2 Digest, Number 79
Tuesday, May 2nd 1989
Today's Topics:
Seeking info on disk drive upgrde
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Subject: Seeking info on disk drive upgrde
From: info-3b2@netsys.COM
Date: Tue, 02 May 89 12:43:57 -0400
Presently, we are running a 3B2/400 with 2 internal drives, a 72 Mbyte
and a 121 Mbyte. We are looking to increase our total capacity and have
decided to go the standalone SCSI route. This would let us move the
drive to a new machine should we purchase a new and larger cpu.
My information on AT&T products is as follows:
Order No. Description List Price
36205 300 MB Hard Disk Module $10,500
73263 Single ended Host Adapter $ 2,000
Although I've shown the list prices, I believe the 2 items can be had
for something around $9,000 total. So question one:
Does anyone have experience with this drive and/or this configuration?
Any problems with the drive or mixing of ST506 and SCSI in same system?
I guess that is two questions, but there are more to come.
Recently, a company called Reality Computer Systems, inc. has been
advertising in Unix World non-AT&T, standalone SCSI modules for use
with the AT&T host adapter, which they also sell.
Prod. No. Description Price
RCS300S 300 MB SCSI Disk Module $4,995
RCS600S 600 MB SCSI Disk Module $5,495
3B2HA SCSI Host Adapter $1,400
I called and found that the drives used by Reality were not the same
brand as those in the AT&T products, they are CDC drives. Also, the
host adapter is the AT&T product. Sounds like for $6,400 we could get
the same capability as the AT&T products and for $500 more, double the
capacity (600 MB). Access time on the CDC drives is listed as 18 msec.
I think this is the same as the AT&T drives and faster than our current
drives.
Anyone have opinion on the CDC drives relative to those in the AT&T
modules? Any experience with Reality? What other questions should I
be asking? Does any software come with the AT&T products that I will
need and perhaps not get from Reality?
I've no connection with either vendor. In anticipation of the question
Reality can be reached at:
Reality Computer Systems, Inc.
8868 Research Blvd. Bldg. A-104
Austin, Texas 78758
(800) 333-8649
attmail: reality1!scsi
Thanks for the input,
Jon LaBadie, Ph.D.
The CBIS Institute
(201) 981-8900
{attmail, att, bcr}!auxnj!jon or {princeton, att, bcr}!jonlab!jon
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