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Date:      Wed, 12 May 1999 08:51:57 -0700
From:      GVB <gvbmail@tns.net>
To:        freebsd-isp@freebsd.org
Subject:   We are a growing ISP, need some advice!
Message-ID:  <4.1.19990512085152.00b757e0@abused.com>

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Hi there. I am a systems administrator for a small ISP in San Diego that is
rapidly growing.  We offer basically all ISP services including dialup,
domain hosting, dedicated connections, etc.  All of our servers are run off
of FreeBSD.

Mail server is a PentiumII 233 with 384 megs of RAM running UW SCSI hard
drives.  It is currently 2.2.8 with sendmail and Qpopper.
Our web server is a PentiumII 266 with 384 megs of RAM running UW SCSI hard
drives. It is currently 3.1 running Apache-ssl with Frontpage extensions.

We have about 150 virtual domains running on the web server and about 800
dialin accounts + the mail from all the virtual domains running off of that
one mail server.  We are starting to see a definite need for a bigger
server farm.  My question is, what should my growth point be from here, how
do I scale this thing to accomidate all the users and domains I am hosting,
because we are noticing the hardware starting to slow, the mail server
actually hits swap space, even with 384 megs of RAM in it.

I have read up on doing round robin DNS with the Web Servers, but never
really understood how the disks are synched up, does it run on NFS with one
machine serving the content?

How about scaling the mail servers?  Where can I read up on setting up
multiple mail/pop3 servers?  What is the best solution to do this.

Any help or refrences to books or URL's is GREATLY appriciated.

Thanks again in advance.

Gaylord Van Brocklin
Terracom Inc.
San Diego, CA 


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