NAME
barrierd
- syncronize a process on a number of machines.
SYNOPSIS
barrierd
[-v]
[-p port]
DESCRIPTION
The
barrierd
daemon runs on a host, and accepts barrier connections from the client
program barrier. It handles the connections and syncronization of
various barriers being set up and taken down across the cluster.
- -v
-
Prints the version of ClusterIt to the stdout, and exits.
- -p
-
Specifies a port number for the
barrierd
daemon to listen on. Defaults
to 1933, and overrides the
BARRIER_PORT
environment variable.
ENVIRONMENT
barrierd
utilizes the following environment variables:
BARRIER_PORT-
Sets the default remote port to connect to.
DIAGNOSTICS
Exit status is 0 on success, 1 if an error occurs.
SEE ALSO
barrier(1),
dsh(1),
HISTORY
The
barrierd
command appeared in clusterit 1.1.
AUTHOR
Barrierd
was written by Tim Rightnour.
BUGS
Barrierd
can only handle up to 10 unique barrier tokens at any one
time. In addition, it can only handle a barrier size of up to 512
nodes. These values can be modified by recompiling the program.