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WACKAMOLE 8 "May 2014" Wackamole "User Manuals"
NAME
wackamole - IP-failover high-availability tool
SYNOPSIS
"wackamole [-v] [-c " config_file " ] [ -s " spread " ] [-u " user " ] [ -d ] DESCRIPTION
wackamole runs the Wackamole IP-failover HA tool using the wackamole.conf file as a
base configuration.
OPTIONS
"-v"
Display version information and exit.
"-d"
Turn on debugging and do not daemonize.
"-u user"
Instruct wackamole to use
user instread of
Wack<pid> as it's username when connecting to Spread.
"-s spread_loc"
Connect to Spread running at
spread_loc "-c config-file"
Use an alternate configuration file
config-file instead of
wackamole.conf . FILES
wackamole.conf The default config file location is dependant on the install prefix. ./wackamole.conf is also searched if a local file is not found.
DIAGNOSTICS
By default, Wackamole will log any errors to syslog. Check the appropriate
log desitnation on your platform.
BUGS
Linux
Wackamole makes extensive use of ioctl()s on network devices. When dropping
and interface such as eth0:4, all subsequent interfaces (eth0:5, etc.) will
disappear and no longer function. There has been special code added that causes
Wackamole on Linux to iterate through all IP addresses after a balancing round
and attempt to re-plumb them. This may cause gratuitous entries to syslog as
well as extra unsolicited ARP responses.
Solaris
Solaris' local arp-cache is, as far as the author is aware, completely
undocumented. The code in Wackamole to open /dev/ip and attempt to read the
ARP cache was written only by looking at the output of
truss arp -an and should be considered a "stab in the dark."
AUTHOR
Yair Amir <yairamir@cnds.jhu.edu>
Ryan Caudy <wyvern@cnds.jhu.edu>
Aashima Munjal <munjal@cnds.jhu.edu>
Theo Schlossnagle <jesus@cnds.jhu.edu>
"SEE ALSO"
wackamole.conf (5), wackatrl (1)