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Full Discussion: linux cluster
Top Forums Shell Programming and Scripting linux cluster Post 302639019 by complex.invoke on Friday 11th of May 2012 05:09:50 AM
Old 05-11-2012
The cluster software LVS's extention KeepAlived is a pretty good choice for the health check between a master server and a slave server which is widely used with those architecture: LVS/Nginx/Haproxy+KeepAlived
 

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keepalived(8)						      System Manager's Manual						     keepalived(8)

NAME
keepalived. - keepalive demon SYNOPSIS
/usr/sbin/keepalived [-n] [-f keepalived.conf] [-d] [-h] [-v] DESCRIPTION
The keepalived The keepalived server implements the vrrpd routing demon which enables routing failover for a pair (or set) of routers (or LVS directors) and the keepalived demon which sets up and does the health checking of virtual services in a Linux Virtual Servier. OPTIONS
--vrrp, -P Only run the VRRP subsystem. --check, -C Only run the healthchecker subsystem. --dont-release-vrrp, -V leave (don't remove) VRRP VIPs & VROUTEs on daemon stop. --dont-release-ipvs, -I Dont remove IPVS topology on daemon stop. --dont-fork, -n Dont fork the daemon process. --use-file, -f keepalived.conf_file Use the specified configuration file. --wdog-vrrp, -R Define VRRP watchdog polling delay (default=5s) --wdog-check, -H Define healthchecker's watchdog polling delay (default=5s) --dump-conf, -d Dump the configuration data. --log-console, -l Log messages to local console. --log-detail, -D Detailed log messages (the default with the rc script provided). --log-facility, -S 0-7 Set syslog facility to LOG_LOCAL[0-7] (default=LOG_DAEMON) --help, -h Display a short inlined help screen. --version, -v Display the version number. FILES
/etc/keepalived/keepalived.conf SEE ALSO
keepalived.conf(5) AUTHORS
Joseph Mack from inspection of the output of keepalived --help from keepalived-1.1.4 Jan 2004 keepalived(8)
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