Hi Max:
Thanks for your suggestion - clearly that is one of the two alternatives - the
question being - does iMS go on the Web server machine or the SQL Server
achine - at least until such time as they are indeed divided between three
machines?
I am still not sure I would want iMS competing with resources with IIS & CF
which are most certainly less efficient and stable than SQL Server and tend to
hog resources. Also - IIS is more likely to crash the mail server than SQL is,
and keeping the mail up is a top priority. The other aspect of the rationale is
that both iMS and SQL need fast and scaleable storage - RAID 10 in this case,
and of course backup. The web server need only server HTTP with CF, and to that
end doesn't need anything like the resources of iMS and SQL. If I was to place
iMS with IIS it means that machine would also need greatly enhanced storage
capabilities. From what people have said here and elsewhere, I am quite sure
that the main potential bottleneck for iMS and SQL is actually disk I/O, and
accordingly it makes sense to give them the machine where this is optimised.
Adrian.
> I think if I were in your shoes, I'd make one SQL Server box, and put
everything else on the >other one, for now. Then, when your Web traffic picks
up, break off the IIS/CF (Webmail) >functions to a 3rd box. This way you'll
have 3 boxes doing 3 distinct tasks. Also, you can use >your SQL Server for
other stuff besides mail (perhaps help recoup some of the cost). Even >though
the SS machine and the iMS machine both may require large storage, it won't do
you >much good if they're competing for the disk access whenever an email comes
in. Also, stick >your SQL logs on a different drive array from your data if you
can (for speed and safety).
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