Hi On Monday 28 March 2011 15:36:32 Mahmoud Mubarak wrote: > I'm using Ubuntu 10.10, kernel 2.6.35-27-server. Our network has over 1 > Thousand nodes. When I tried to ssh to ~800 nodes, I got this error > message "No buffer space available" after executing ssh to ~600 nodes of > 800. I'm just executing hostname command on each machine. How can I > handle this issue? You might run into an issue with forking here (ulimits might help) or TCP problems. I suggest you use something like dsh et al. to manage large numbers of ssh connections, e.g. dsh -aMF50 will run ssh with 50 hosts in parallel and will still go through the large "default" list. Does this help? Cheers Carsten -- To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
