| ClusterCATS
5.1 for Macromedia JRun® 4 and Macromedia ColdFusion®
MX
Last Updated
August 19, 2002
These release notes contain last-minute issues related
to ClusterCATS and ClusterCATS installation:
Last-minute issues
Accessing ClusterCATS tech notes
To see a list of
tech notes, articles, and software patches for ClusterCATS,
go to http://www.macromedia.com/v1/support/knowledgebase/searchform.cfm,
select ClusterCATS and Server Monitoring, and click Search.
Do not download and install any pre-5.1 patches onto your
ClusterCATS 5.1 cluster.
ClusterCATS components The table on page 4 of Using
ClusterCATS indicates that you can use the Windows-based
Server Administrator to administer a UNIX cluster. The Windows-based
Server Administrator does not drive UNIX. You can, instead,
remotely administer a UNIX-based cluster using the Windows-based
ClusterCATS Explorer. You can load the explorer on any Windows
client.
Supported web servers ClusterCATS supports the following
web servers:
- Linux: Apache 1.3.x
- Solaris: NES 3.0 and 4.0 and Apache 1.3.x
- Windows: IIS 5.0, IIS 4.0, NES 4.0
Installation and configuration
issues Windows system requirements ClusterCATS
runs on server operating systems only. It does not run on
Windows NT Workstation, Windows 2000 Professional, or Windows
XP Professional.
Netscape troubleshooting When using the ClusterCATS
Web Explorer (btweb) with the Netscape Enterprise Server,
start the Netscape Admin server before launching btweb.
DNS considerations Do not install ClusterCATS on
a computer that your networks uses as a DNS server or domain
controller.
Before installing ClusterCATS, be sure that your network's
DNS name resolution is properly configured and that all
web servers are functioning.
Install the application server before installing ClusterCATS
You must install ColdFusion MX or JRun 4 before installing
ClusterCATS. Additionally, for a JRun installation, you
must run the Web Server Configuration Tool before installing
ClusterCATS.
Web server specification The web server and version
specified during the ClusterCATS install must match the
web server and version chosen during ColdFusion MX installation
or when running the Web Server Configuration Tool (JRun).
Configuring wsprobe on Linux Apache The ClusterCATS
web server probe (wsprobe) on Linux Apache is written to
restart /bin/apachectl. However, the Apache server bundled
with RedHat 7.x is installed by default in /etc/init.d/httpd.
To enable wsprobe to restart various installations of Apache,
you must modify certain scripts. The following procedure
explains the modifications you must make to enable ClusterCATS
to restart the default Apache server bundled with RedHat
7.x:
- Open /usr/lib/btcats/scripts/btadmin in a text editor
and replace references to /bin/apachectl with httpd.
- Make the same changes in the /usr/lib/btcats/scripts/bt-stop-server
and /usr/lib/btcats/scripts/bt-start-server scripts.
- Open /usr/lib/btcats/database/btinstall.config in a
text editor and change BT_HTTPD and BT_NSDIR, as follows:
BT_HTTPD = /etc/init.d/httpd
BT_NSDIR = /etc/init.d
- Go to the /usr/lib/btcats/scripts directory and run
./btadmin stop, which stops ClusterCATS and Apache.
- Run ./btadmin start, which starts ClusterCATS and Apache.
If either of these commands generate errors, review
your changes in the modified files.
ColdFusion MX notes Consider the following when
using ClusterCATS with ColdFusion MX:
- ClusterCATS supports Netscape web servers versions 3.x
and 4.x. If you want to use one of these web server versions,
you should make sure that Netscape iPlanet 6.x isn't installed
on the same server when installing ColdFusion MX (the
ColdFusion MX install only offers the latest version of
each web server).
- ClusterCATS does not run with CFMX Professional. In
order to use ClusterCATS with ColdFusion MX, you must
use CFMX Enterprise.
- The CFAM Server Monitor Agent is deprecated. However,
ClusterCATS has a built in dfp agent for communication
with Cisco Local Director. ClusterCATS can also be used
without load balancing enabled (in the passive-mode) for
its probes, alarms and reporting capabilities.
JRun 4 notes Consider the following when using
ClusterCATS with JRun 4:
- By default, ClusterCATS monitors the default JRun server,
which must be running as a service. Additionally, the
service must be named Macromedia JRun Default Service.
For information on defining a JRun server as a Windows
service, see Installing JRun. For information on
using ClusterCATS with additional JRun servers, see Using
ClusterCATS.
- ClusterCATS does not run with the JRun Developer edition.
- When using ClusterCATS with the Netscape web server,
if the web server can't communicate with the JRun server
and the Netscape logs/errors file contains a message similar
to "Couldn't initialize from remote server, JRun
server(s) probably down," restart Netscape after
the JRun default web server is started.
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