Re: Re: MPICH-GM problem: cannot run multiple executables in one job

> The only reason I see why adding a wait time of 1 second between
> fork/spawn steps would make a difference is that your rshd or sshd
> service have a DoS attack protection and it limits the number of
> incoming connection per minute. If you connect to a machine with this
> feature enabled, the first incoming rsh/ssh connection will be accepted
> and they will hang once the threshold is reached. You can increase this
> limit by adding a (large) number to the "nowait" keyword of the shell
> entry in INETD conf file like "nowait.200"

This is true for rsh, but ssh generally is not configured to run
through inetd or xinetd, it is its own daemon, and doesn't have a
connection limit at all.

-- greg