[torqueusers] Re: More pbs_mom communication problems
csamuel at vpac.org
Tue Mar 1 19:41:28 MST 2005
On Tue, 1 Mar 2005 09:28 pm, Hannu Väisänen wrote:
> It was a stupid firewall error. Probably. I have
> -A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited
> but that was not the last rule in /sys/config/iptables
Aha - that would do it. Remember that rules are checked first to last in a
table and the first matching one wins (unless you do some tricks).
This is why I like Shorewall, I find it simplifies that sort of thing.
> Now, When I do on the node
> telnet server 15001
> Trying nnn.nnn.nnn.nnn...
> Connected to server.
> Escape character is '^]'.
Cool, so layer 3 works now, so onto the rest.
> So I think now there is a route to server.
> Everything seemed OK for a while. pbsnodes -a listed both nodes as
> free. (I have two nodes, one on the same machine than the server and
> the other on another machine.)
> Then this appeared on the other machine's mom log
> pbs_mom;Svr;pbs_mom;No child processes (10) in is_update_stat, cannot
> specify protocol pbs_mom;Svr;pbs_mom;im_eof, Premature end of message from
> addr 188.8.131.52:15001
> It comes every 8 or 9 minutes.
> now pbsnodes -a again lists the node as down.
Hmm, which version of Torque is this ?
> > Doesn't sound to me like a Torque/PBS issue at all.
> It is probably a firewall/networks issue.
> So, where can I find Idiot's Guide to Firewalls and Networks? (-:
Google is your friend. :-)
> Thanks, Cris, and everybody else helping me!
Not a problem, we've all been there at some point..
Christopher Samuel - (03)9925 4751 - VPAC Systems & Network Admin
Victorian Partnership for Advanced Computing http://www.vpac.org/
Bldg 91, 110 Victoria Street, Carlton South, VIC 3053, Australia
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