Hello Michael,

these long restore times do not exist anymore under OS/390. It was a bug
in ADSM and has been corrected.

Regards,

René Lambelet - (3543 - *A581 
Nestec SA - 55, Av. Nestlé - CH-1800 Vevey
Tel: ++41/21/924'35'43 / Fax: ++41/21/924'45'89
E-Mail: rene.lambelet AT nestle DOT com



>-----Original Message-----
>From:  Yelle, Michael 2-3823 [SMTP:MGY4V AT HSCMAIL.MCC.VIRGINIA DOT EDU]
>Sent:  Thursday, April 30, 1998 7:32 PM
>To:    ADSM-L AT VM.MARIST DOT EDU
>Subject:       Is ADSM/NT or ADSM/AIX a better choice?
>
>We currently run ADSM on OS/390 to manage a number of Novell, NT and AIX
>clients. We have tried for quite a while to obtain an acceptable level
>of performance on OS/390 1.3 but to date we have not (OS/390 ADSM and
>TCP/IP are single threaded and appear to be the bottle neck, plus OS/390
>is really optimized for CICS regions, not ADSM). In particular we have
>experienced 24+ hour restores on large Novell Super fileservers. We now
>believe that a dedicated machine for ADSM is the way to achieve
>consistent, high levels of performance.
>
>We have done some benchmark tests on ADSM/NT and ADSM/AIX. Both
>platforms appear to easily outperform OS/390 in all of the tests we have
>done to date.
>
>Does anyone know of performance benchmarks comparing NT to AIX for ADSM?
>
>Does anyone have any objective reasons why we should prefer to NT or
>AIX?
>
>We are looking at either a Compaq 7000 for NT or RS/6000 H50 for AIX.
>ATL  will probably be a IBM 3575  with the new "C" drives which are
>rated at 7 Meg/Sec and have 1.6 terabytes of storage (uncompressed)  for
>either machine.
>
>We have the expertise in-house to support either operating system so
>that is not an issue for us.