Yes, that is a good combination.  Although if you're going that high
performance you should think about a Seagate Cheetah 10000rpm 9gig drive
(ST39102LW, ST39102LC, ST39102FC, Cheetah9LP) with either a Ultra2 SCSI or
Fibre Channel interface with either the AHA-2940U2W Ultra2 Wide SCSI adapter
or the AHA-F940 Fibre Channel adapter from Adaptec.  The speed is 80MB/s and
100-120MB/s respectively depending on interface versus 40MB/s for the
AHA-2940UW recommended by your supplier.

While it is good you are thinking about upgrading to such a high performance
disk drive system, have you tried defragmenting your NT drives?  They can
become badly fragmented in a short period of time which can significantly
reduce performance.  You can obtain a free defragmenter (manual start)
called Disk Keeper Lite from http://www.diskeeper.com/ .  Depending on your
server, you might be able to increase your bus speed to 66MHz increasing
peripheral communication (including disk drives) and processor speed.  You
can also try installing the Bus Master drivers for your motherboard (if
available) which will help take some of the I/O load off the processor.

Dan Dexter
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-----Original Message-----
From:   PCBUILD - Personal Computer Hardware discussion List
[mailto:[log in to unmask]] On Behalf Of JEFFREY
Sent:   Tuesday, June 02, 1998 1:00 AM
To:     [log in to unmask]
Subject:        [PCBUILD] Ultra Wide SCSI Harddisk on NT4.0

        Dear Subscribers:

        I am running NT 4.0 on a 150 MHz Pentium Pro Server with 128 MB
RAM, 1 x 2.1 GB Seagate Fireball ATA Harddisk (Boot Disk), 1 x 6.1 GB
Seagate Fireball ATA Harddisk (Exchange Server 5.0 and User Mailbox). We
have 120 users accessing this server. The server currently having
performance problem and my supplier suggested to upgrade to SCSI
Harddisk. Their recommendation  - Adaptec Ultra Wide PCI SCSI Host
Adapter (AHA-2940UW) with 1 x 9.1 GB Seagate Ultra Wide Harddisk
(ST391073W).

        Is this a good combination ?

        Thanks for your time and help
        Jeffrey Loo