HP3000-L Archives

February 1997, Week 4

HP3000-L@RAVEN.UTC.EDU

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Subject:
From:
Art Bahrs <[log in to unmask]>
Reply To:
Art Bahrs <[log in to unmask]>
Date:
Thu, 27 Feb 1997 13:52:02 -0800
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Hi Jim,
     On the point of how to test what will happen to you if you change to 2
spindles from 6 spindles....

     <<<< Putting on Regional User Group Promoter (read President hehehe) Hat)
>>>

      Contact the Local RUG and find a site with that hardware config and go
talk with them!  Compare running programs that both sites have up and running...
maybe a store of the PUB.SYS group?

        Just a thot :)

Art "Yes, I do giggle a lot!  heheheh " Bahrs
+-------------------------------------------+------------------------------+
| Oregon Health Sciences Foundation         |The views here are no one's,  |
| Art Bahrs, Manager of Information Services|  least of all, mine!         |
| President, HP Oregon Regional Users Group (ORERUG)                       |
+-------------------------------------------+------------------------------+
| And the men who hold high places must be the ones to start.              |
+--------------------------------------------------------------------------+
| [log in to unmask] 'The Professor' Work: (503) 220-8333 Fax: (503) 228-9588 |
+--------------------------------------------------------------------------+


>>> Therm-O-Link <[log in to unmask]> 02/27/97 10:55am >>>
Here's our current disk layout:

4 2203A 670MB drives, SYSGEN paths: 4.1.0, 4.1.1, 4.5.2, 4.1.2
2 7937H 571MB drives, SYSGEN paths: 4.1.4, 4.1.5

Roughly 3.8 GB, all in the <long_name> volume set on a Series 948.

We are contemplating (very seriously) going to a series 918 with two
disk drives, a 2GB and a 4GB.  We have a 40-user license and do not
exceed 32 sessions at any time.  We will probably (over the next year
or two) add another 20 sessions, but the total session count will not
exceed 64.  We have most of our users accessing one application, with
two or three others accessing a second application.

My nebulous-question-of-the-week is:

Will we see any disk access time degradation by going from six spindles
down to two or will the newer drives be quicker?

If the answer to this is the infamous "It depends", how can I determine
for sure what the answer will be for us?  Thanks in advance.

Jim Phillips                            Manager of Information Systems
E-Mail: [log in to unmask]      Therm-O-Link, Inc.
Phone: (330) 527-2124                   P. O. Box 285
  Fax: (330) 527-2123                   Garrettsville, Ohio  44231

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