My guess is that it might be a little underpowered.  However, there are
things you can do to both improve your current system and pinpoint the
actual bottleneck.

Optimizations:
*       Given that it is a directory replication bridgehead for a large
number of sites, ensuring that the transaction logs for the directory
service are on a separate set of spindles from DIR.EDB will help.
*       Connectors use the IS extensively, so the same would hold true for
PRIV.EDB and it's logs.
*       You definitely need more memory.  512MB would be a good place to
start.
*       Review the directory replication and public folder replication
schedules.  The defaults can tax bridgehead servers - consider winding these
down where possible.
*       If you find that the CPU is the bottleneck (see below), add a second
CPU to your 3000.

Bottleneck Determination
*       Use Performance Monitor.  Exchange 5.5 comes with some pre-defined
monitors - the Server Health monitor in particular should quickly
demonstrate if memory and CPU are the problem.

Linton


-----Original Message-----
From: Olivier de Heer [mailto:[EMAIL PROTECTED]]
Sent: Monday, August 20, 2001 2:08 PM
To: Exchange Discussions
Subject: Server sizing


Dear anyone,

Our backbone server has had difficulties for the last two weeks. E-mail is
queuing up and eventually the MTA can't handle its load and stops. There
are 60 sites connected that are producing the necessary e-mail and
directory replication traffic. We've also set up a Connector for Lotus
Notes that replicates directory information from 18K+ Notes users into the
Exchange environment every day at midnight.
Personally I think our current hardware isn't good enough anymore and
needs to be replaced. But how can I convince my management?
Our current configuration:
Compaq Proliant 3000R M6/300-1 512 cache 64/1 (Pentium II/66/300Mhz)
Array-controller Compaq PCI smart-2/p, 32-bit incl
7 X 4.3Gb U&W-SCSI hot pluggable 1" C: partition Raid 0, D: partition Raid
5
2 X 64 Mb EDO (60-NS Dimm)
Does anyone know certain hardware specifications for dedicated connector
servers?
Any help would be highly appreciated.

Thanks in advance,

Olivier

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