Bingo. It turns out that THIS was the problem: the firewall that's installed by default in RHEL6 blocks qrsh but not qsub. Disabling iptables fixes it.
Thanks to the many people who suggested fixes to my problem. This was my first experience with the Grid Engine community and I was very impressed and grateful. It turns out that we can, in principle, run without software firewalls on these machines since they are behind another one, but out of curiosity: is there a more elegant way to deal with this? Thanks again to everyone who replied, Cas On Thu, Apr 14, 2011 at 1:05 AM, Andreas Haupt <[email protected]>wrote: > Hi Casimir, > > On Wed, 2011-04-13 at 11:07 -0700, Casimir Wierzynski wrote: > > Dear Grid Engine community, > > We recently upgraded from RHEL4 to RHEL 6 on all of our grid machines > and qmake isn't working any more. > > I think I've narrowed the problem down to the fact that qrsh doesn't > > work, although qsub does. > > Is there a running "local firewall" (ie. iptables) on the client? > > Cheers, > Andreas > -- > | Andreas Haupt | E-Mail: [email protected] > | DESY Zeuthen | WWW: http://www-zeuthen.desy.de/~ahaupt > | Platanenallee 6 | Phone: +49/33762/7-7359 > | D-15738 Zeuthen | Fax: +49/33762/7-7216 > > >
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