Coyote Point Systems Equalizer Dokumentacja Pobierz pdf (Strona 172)

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hot_spare

Enable the hot spare check box if you plan to use this server as a backup server,

in case the other server instances in a server pool on the cluster fail. Enabling

hot spare forces Equalizer to direct incoming connections to this server only if all

the other servers in the cluster are down. You should only configure one server

in a cluster as a hot spare.persist_override - Disables persistence for the

server when the persist flag (Layer 7 cluster) or a non-zero sticky time (Layer 4

cluster) is set on a cluster. For a Layer 7 cluster, this means that a cookie will not

be inserted into the response header when returned to the client. No sticky

record is set for a Layer 4 cluster. This flag is usually used to disable persistence

for a hot spare.

quiesce

When enabled, Equalizer avoids sending new requests to the server. This is

usually used in preparation for shutting down an HTTP or HTTPS server, and is

sometimes also called “server draining”.

probe_l4

This flag enables or disables Layer 4 TCP and ACV probes for this server. By

default this flag is enabled.

strict_maxconn

This flag allows you to customize the behavior of the max connections parameter

Using Health Check Instance Commands in a Server Instance Specific Context

eqcli sp-spname-si-siname-hci-hciname> flags

{[!]require_response

eqcli sp-spname-si-siname-hci-hciname> vlb_param

: Set the VLB

Parameter for

health check

instance.

Health Check Instance Flags

A flag may be turned off by prefixing with "!".

require_response

When the require_response flag is disabled (the default) and no response is

received from the server application, then load balancing decisions are made

without considering the health check’s returned load value. When the require_

response flag is enabled and no response is received from the server

application, then the server is marked down and no cluster traffic is sent to it.

Server Pool and Server Instance Command Notes

The following flags can be set on server instances:

abort_server

Close server connections without waiting.

always

Always insert a cookie into server responses.

client_ip

Include the client IP address in headers.

compress

Compressserver responses.

ignore_case

Do not consider case when evaluating a match rule.

no_header_rewrite

Do not rewrite headers in server responses.

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