Download Using ClusterCATS

optimizing with dynamic IP
addressing 133
parallel servers 26
persistent sessions 74
static vs. dynamic IP
addressing 137
systems monitoring 26
Web server alarm notification 98
failures
alarm notifications 98
common 24
disk 98
HTTP server 98
probes 98
server busy 98
server unreachable 98
web server failover 98
firewalls
before you install 38
configuring 38
port 9123 39
port 9129 39
scalability 16
forward DNS entries 37
G
getsimpleload.jsp
description 138, 139
gradual redirection
LocalDirector 92
threshold 66
H
hardware planning for failover
hardware-based clustering
advantages 29
considerations 30
illustrated 29
solutions 29
high availability, probes and
monitors 77, 84
hostinfo 129
HTTP redirection 66
HTTP server failure 98
hyperlinks, relative 72
I
icon legend 49
installation 41
after you install 45
before you install 34
26
UNIX 42
UNIX vs. Windows 6
Windows NT 41
installation, support viii
integrating ClusterCATS with
LocalDirector 93
IP aliasing
See dynamic IP addressing
J
JDBC, session swapping
JRun probes 77, 84
76
configuring in UNIX 69
configuring in Windows 66
load status 68
LocalDirector 92
peak 66
status 68
load-balancing devices 92
third-party 95
UNIX 97
Windows 96
local DNS servers 35
local user authentication 103
L
M
linear scalability 11
load balancing
combining hardware and
software 93
configuring load thresholds 66
configuring metrics 138
configuring probes 77, 84
integrating ClusterCATS with
other devices 92
issues related to scalability 12
metrics 138
session-aware 72
session-aware on UNIX 72
session-aware on Windows 72
software-based 30
third-party devices in UNIX 97
third-party devices in
Windows 96
using a hardware solution 29
using round-robin DNS 30
load levels 68
load management 3
load management method 42
load metrics
output variables 139
troubleshooting 140
load monitor 68
load status, monitoring 68
load testing
available web tools 21
considerations 22
minimizing problems 22
reasons to perform 20
web applications 20
load thresholds
adjusting 68
configuring 66
Macromedia
headquarters x
sales x
website viii
Macromedia ColdFusion
developer resources viii
documentation, about ix
training resources viii
Macromedia JRun
developer resources viii
documentation, about ix
training resources viii
maintenance IP addresses 133
before you install 38
setting up 133
maintenance mode 110
btadmin 122
dynamic IP addressing 133
upgrading cluster members 118
using 115
maintenance support 60
metrics
average request time 138
configuring 138
last request time 138
load-balancing 138
output variables 139
overview 138
round-trip request time 138
troubleshooting 140
modes 110
active/passive 110
active/passive settings 111
disabled 106
maintenance 115
restricted/unrestricted 110
upgrading cluster members 118
Index
143