Re: ssh update and parallel jobs execution
At Thu, 12 Dec 2002 09:25:09 +0100,
Fabrice Yerly wrote:
> Dear happy Debian users,
> After the update of ssh to version OpenSSH_3.4p1 Debian 1:3.4p1-1, SSH
> protocols 1.5/2.0, with passwordless connection through the cluster's nodes,
> (see archives around 20 Nov 2002) I have already some problems...
> Jobs running on 1 processor works fine. But jobs running in parallel stops
> abnormally returning me an error:
> pc001: Connection refused (where pc001 is one of the nodes)
> I use OpenPBS and I don't know what do do... Before the update everything
> worked fine. If I connect manually on any node it works. I don't see in my
> ssh configuration files what forbids a multiple connection.
What is it that you mean by parallel invocation ?
It might be that ssh is refusing to start up without a valid
pty, or valid standard input that is interactive.