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If you have CF Enterprise, you should first consider ClusterCats (its =
already part of the package and wont cost you anything extra).
A couple of articles I found useful when setting up my system:
http://www.allaire.com/Handlers/index.cfm?ID=3D16513&Method=3DFull&Cache=3D=
Off
http://www.allaire.com/Handlers/index.cfm?ID=3D14533&Method=3DFull&Cache=3D=
Off
If you need to have your variables persist in the event of a failure, =
you will need to use client variables and store them in a remote data =
store. Detailed instructions on how to accomplish this can be found in =
the "Enabling External Client State Management" section of the =
Administering ColdFusion Server =
<http://www.allaire.com/documents/cf45docs/acrobatdocs/45dwa.pdf> =
manual.
Rusty
gedesign.com
-----Original Message-----
From: John Cesta - Lists [SMTP:[EMAIL PROTECTED]]
Sent: Friday, September 08, 2000 5:28 PM
To: [EMAIL PROTECTED]
Subject: RE: CF Clustering
We use Double Take for mirroring/replication and failover. Works with =
SQL
etc. For us, it's a fantastic product!
www.nsisoftware.com
John Cesta
http://www.cybersmarts.net
-------------------------------------------------
ColdFusion ASP and ActiveState PERL Hosting
--------------------------------------------
SearchIt PRO - IIS Logfile Management Software
www.serverautomationtools.com
-----Original Message-----
From: Ann Marie Thurmond [mailto:[EMAIL PROTECTED]]
Sent: Friday, September 08, 2000 8:10 PM
To: [EMAIL PROTECTED]
Subject: RE: CF Clustering
If you look on the Allaire web site, you will find lots of information
regarding clustering.
We also wanted to use clusering for load balancing and failover, but we
didn't want to have to manually copy updated files into two places. I =
read
somewhere on the Allaire site that when ClusterCats was owned by Bright
Tiger, they had a replication solution, but it wasn't included in the
version of ClusterCats that ships with CF Enterprise (you had to =
purchase an
upgrade from Bright Tiger). But after Allaire bought Bright Tiger, =
mention
of that feature disappeared.
Anyway, I called Allaire yesterday to find out what they suggest for
replication and the rep is supposed to call me back. Let me know if =
you're
interested and I will pass along his answer.
-----Original Message-----
From: Jim McAtee [mailto:[EMAIL PROTECTED]]
Sent: Friday, September 08, 2000 4:41 PM
To: [EMAIL PROTECTED]
Subject: CF Clustering
Does anyone have a link or pointer to information regarding how to
cluster CF web servers? We're looking to upgrade our web and database
servers and I'd like to hear about the various approaches taken to
clustering CF web servers.
Ideally, I'd like to achieve load-balancing and failover via redundancy.
For our purposes the load-balancing doesn't have to be perfect, but the
failover must be automatic and transparent. I'm assuming we'd run
several redundant web/CF servers connected to a common MS SQL server.
For the time being, I don't think we'd run a common fileserver for the
web site templates or other static content. Files would need to be
replicated on all servers.
With this configuration, I was wondering about things like the best way
to (1) achieve the load balancing (hardware and/or software needs?),
considering that CF sessions need to be maintained (2) a good means of
replicating content accross servers (3) other considerations?
Thanks for any input,
Jim
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