>      There  is  ~12  GB  free  on  the RAID array. The RAID array is
> configured  as a single RAID 5 volume. We were running an evaluation
> copy  of Diskeeper on the server because we noticed a high degree of
> fragmentation.

Fragmented,  shmagmented:  RAID 5's write performance is horrendous in
all  cases.  It  should never be used on a mail server. Best practices
dictate RAID 1, RAID 0+1 if affordable, with as many drive spindles as
possible  dedicated  to  each  mail server function (spool, web spool,
logs,  mailboxes, swap, system, etc.). You've done about the opposite,
choosing  the  slowest  RAID  and  running  all functions off the same
array.

> http://bandwidthplace.com/speedtest   shows   between  5.0  and  3.7
> megabits per second.

Between  you  and  the Internet? Irrelevant. On your LAN? Horrible! If
you're  running  ODBC  over this kind of connection, that'll ruin some
components' performance on its own.

>      IMail is configured to use an external database (done before I got my
> hands on the machine.)

After   reconfiguring  as  much  as  possible  as  above,  rebenchmark
performance  and  get  your  hands in there and change it to the IMail
native database if necessary.

Search the list archives for more info.

--Sandy


------------------------------------
Sanford Whiteman, Chief Technologist
Broadleaf Systems, a division of
Cypress Integrated Systems, Inc.
e-mail: [EMAIL PROTECTED]

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