ADSM-L

Re: DRM Disk Image Backup, Windows NT and Disk Arrays

1998-11-26 08:27:50
Subject: Re: DRM Disk Image Backup, Windows NT and Disk Arrays
From: Michael Abel <Michael.Abel AT RESNOVA DOT DE>
Date: Thu, 26 Nov 1998 14:27:50 +0100
Jeff

also I am a fan of the DRM Disk Image Backup which we actualy use for some
of our clients, especially IBM Thinkpads mit Disks up to 5 GB, I am in
doubt if that is the right tool for servers and your special situation.

Why not setting up a "Windows NT rescue partition" with minimal
configuration, IP and an ADSM client. In case of trouble with your main NT
partition (C:) you can boot off the second one (D:) and restore everything
to C: and your data drive (E:) If you loose the whole system just do the
partitioning (need some paper doku for that step), install fresh NT to
drive D:, configure IP and ADSM and restore everythin to C: and E:

Mit freundlichem Gruss/Best Regards

Michael Abel
IBM Certified Advanced Technical Expert - RS/6000 AIX
IBM Certified Specialist - ADSM
=====================================================
res nova Unternehmensberatung GmbH
                   ...aktiv in AIX
MAIL:  Ruppmannstrasse 41
       D-70565 Stuttgart, Germany
FON:   +49 711 78888 0
FAX:   +49 711 78888 99
WWW:   http://www.resnova.de
EMAIL: mailto:Michael.Abel AT resnova DOT de




Jeff Connor <connorj AT NIMO DOT COM> on 25.11.98 20:01:31

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: DRM Disk Image Backup, Windows NT and Disk Arrays









     I am exploring the use of the ADSM DRM Disk Image Backup and Restore
for use with our Windows NT Server ADSM clients.  The client machines are
typically Compaq Proliant 2500 or 3000's with Smart /2 disk arrays.  I'm
not an expert on this by any means but the way I understand it the Compaq
array can be configured so it appears to Windows NT as one or multiple
physical disks.  It appears as though our NT admin group has been
configuring the array as one logical drive and partitions the one large
disk using NT into C: and D: drives.  This presents a problem for me if
want to use the ADSM Disk Image Backup because the array appears as one
large disk to the image backup utility even though it is partitioned as two
drives within NT.  The only solution I can see that will allow me to use
the Disk Image Backup is to partition the array into two logic drives that
are sized the same as the C: and D: NT partitions.  This would allow me to
perform an image backup of the C: drive only which is ultimately all I
wanted to do.

 I was wondering how other ADSM users handle using the ADSM DRM Disk Image
Backup with server disk arrays.  Are there any drawbacks, performance, etc.
if we configure the array's logical drives to the same size as the NT
partitions?

Thanks,
Jeff Connor
Niagara Mohawk Power
Syracuse NY
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