BARRIERD(1)

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.