Hi Jon, On Thursday 04 February 2010 17:50:25 Jon Forrest wrote: > I have a new cluster running CentOS 5.3. > The cluster uses a Sun 7310 storage server > that provides NFS service over a private > 1Gb/s ethernet with 9K jumbo frames to the > cluster. > > We've noticed that a number of the compute > nodes sometimes generate the > > automount[15023]: umount_autofs_indirect: ask umount returned busy /home > > message. When this happens the program running on the > node dies. This has happened between 10 and 20 times. > We're not sure what's going on on a node when this > happens. Most of the time everything is fine and > the home directories are automounted without problem.
Have you ramped up the number of NFS daemons, backlog stuff etc on the solaris box (/etc/default/nfs) and is the Solaris NIC running with jumbo frames as well (and the switch is *really* capable of doing it (please test with ping). Cheers Carsten _______________________________________________ autofs mailing list [email protected] http://linux.kernel.org/mailman/listinfo/autofs
