Chapter 5: Configuring Equalizer Operation
event interval
probe delay
agent delay
require agent response
ICMP probe
See "Server Health Check Probes and Timeouts" on page 265 for a complete description of Equalizer's server health
checks and the global probe parameters.
86
The number of seconds between evaluation of all Smart Events for all
clusters. The default is 15 seconds. See "Configuring Smart Events" on
page 161.
The minimum time in seconds (default is 10) between successive
TCP probes of servers by the probe daemon. If a server fails to
respond to a probe, the probe daemon marks it failing in its
internal server status table. You can override this value for each
cluster.
Specifying 0 to 5 seconds for probe delay means a 5-second delay (due
to the fact that Equalizer's probe daemon goes through a probing cycle
about every 5 seconds). Specifying 6 or more seconds increases the
delay to at least that number of seconds, plus additional time due to
load, latency, and other factors.
The minimum time in seconds (default is 10) between successive
probes of server agents by the probe daemon.
Specifying 0 to 5 seconds for agent delay means a 5-second delay (due
to the fact that Equalizer's probe daemon goes through a probing cycle
about every 5 seconds). Specifying 6 or more seconds increases the
delay to at least that number of seconds, plus additional time due to
load, latency, and other factors.
Applies when a cluster uses either server agents or VLB agents.
When you check this box, Equalizer will mark a server down when it
receives no response from the appropriate agent. See Appendix A,
"Server Agent Probes" and Appendix F, "Equalizer VLB".
Enables probing servers using ICMP echo (ping) probes. These
probes are 5 seconds apart. If a server does not respond to an
ICMP probe, it is marked down only if there are no other probes
(TCP, ACV, or server agent) active for the cluster.
Equalizer Installation and Administration Guide
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