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December 1999, Week 2

HP3000-L@RAVEN.UTC.EDU

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From:
Gilles Schipper <[log in to unmask]>
Reply To:
Gilles Schipper <[log in to unmask]>
Date:
Fri, 10 Dec 1999 13:58:13 -0500
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IIRC, the blockmax parameter is completely ignored in MPE/iX, and is
meaningful only for the much older MPE/VE operating system.

I'm sure others will correct me if I'm wrong.

At 09:01 AM 1999-12-10 -0700, Simonsen, Larry wrote:
>Trying to understand the blockmax setting in TurboImage/XL a little better.
>>From what I have gleaned from reading I find this.
>
>MPE/ix reads in chunks of 4096 bytes called pages or 16 sectors.
>Turbo image stores in blocks as large as blockmax but may be smaller but
>always a multiple of  256 bytes.
>
>What happens when multiple TurboImage blocks will fit in a 4096 page?
>What happens when a block spans a page, i.e. block size of 640 bytes.  The
>first 3 blocks fit into the first page and then the next block has part in
>one page and part in the next page?
>Should blocks be made to be an integer fraction of a whole block?
>Can blockmax be made 4096?
>What should I be optimizing?
>
>-------------------------------------------------
>Larry Simonsen                Phone: 801-489-2450
>Flowserve Corporation     Fax: 801-491-1750
>PO Box 2200                    http://www.Flowserve.com
>Springville, UT 84663      e-mail: [log in to unmask]
>-------------------------------------------------
>All opinions expressed herein are my own and reflect, in no way, those of my
>employer.
>
>
---------------------------------------------------------------------------
Gilles Schipper
GSA Inc.
HP3000 & HP9000 System Administration Specialists
300 John Street, Box 87651   Thornhill, ON Canada L3T 7R4
Voice: 905.889.3000     Fax: 905.889.3001
Internet:  [log in to unmask]
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