ADSM-L

Re: 64 BIT ADSM API in ADSM 3.1.2.30 /40

1999-08-05 07:04:51
Subject: Re: 64 BIT ADSM API in ADSM 3.1.2.30 /40
From: Rainer Hornig <hornig AT CONTI DOT DE>
Date: Thu, 5 Aug 1999 13:04:51 +0200
Hi all,

I think, the SP Nodes with POWER processors are also on 64bit, but can ADSM
use this benefits?

Regards,

Rainer


Rainer Hornig
ICA GmbH, Jaedekamp 30
D-30419 Hannover
+49 511 9763457


Michael Abel wrote:
>
> 64bit processors (called RS64) today are only available in IBMs "high-end"
> models labeled e.g. H70, S70 or (soon) S80. All other processors inside 
> RS/6000
> systems are "only" 32bit. Therefore it seems that you have to put your ADSM
> server on a S70 or the like to exploit the 64bit features. But I assume that a
> perfectly sized, configured and tuned I/O subsystem (including adapters, 
> disks,
> tapes etc.) on a 32bit machine will give you more power compared to an
> "out-of-the-box" 64bit system
>
> Regards,
> Michael
>
> "Gogineni, Sri" <SGogineni AT CAISO DOT COM> on 04.08.99 22:45:01
>
> Please respond to "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
>
>  To:      ADSM-L AT VM.MARIST DOT EDU
>
>  cc:      (bcc: Michael Abel/resnova)
>
>  Subject: 64 BIT ADSM API in ADSM 3.1.2.30 /40
>
> Hi all,
>         could somebody elaborate on the 64 bit API used in ADSM 3.1.2.30 /
> 40.
> The 604E processor on our RS6000/ F40( As well as most models)  is , I
> believe a 32 bit processor.
>
> And as per figures obtained from the internet many of the processors of
> RS6000 seem to be 32 bit.
>
> Would I be correct in presuming that there may not be performance benefit on
> most RS6000 models until we upgrade it to a 620 processor.?
>
> Sincere regards
>
> sri
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