On Wed, May 03, 2006 at 12:16:03PM -0500, Bruce Allen wrote: > rsh typically uses ports in the 513-1023 range. With a 640 node cluster > we are running out of ports. This leads to messages such as: > "rcmd: socket: All ports in use" > > Are there any standard solutions to this other than 'use ssh'? We already > have net.ipv4.tcp_tw_recycle = 1 in /etc/sysctl.conf
As another amusing example of this, PBS before the tm interface (~1999) used a low port to contact Moms, so it was easy to run out. So I lowered the TIME_WAIT on the PBS master node. -- greg (don't try this at home unless you're a trained expert in network perversions...) _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
