On Tuesday, January 31, 2012 06:04:57 AM Mark Wendt did opine: > On 01/31/2012 05:42 AM, gene heskett wrote: > > On Tuesday, January 31, 2012 05:37:54 AM Mark Wendt did opine: > >> On 01/30/2012 11:35 PM, gene heskett wrote: > >> <snippage> > >> > >>> Both machines have now been rebooted, it seems you can't reboot just > >>> one end of an NFS link as the un-rebooted end of it will lock solid, > >>> needs a reset button push to reboot within about 10 minutes. But > >>> that is secondary. Faint memories remind me that it happened > >>> several times before& may be one of the reasons I didn't really > >>> want to use nfs. But it otherwise is working well for the usage I > >>> need. > >> > >> Gene, NFS really shouldn't be doing that. Sounds like the client > >> side is hanging when it can't complete any I/O to the NFS mounted > >> disk. What I'd do in that case is run the NFS server on your pclos > >> machine, and the client on your Ubuntu box. If you reboot your > >> Ubuntu box to clear a LinuxCNC (gawd, it's hard not to type EMC2...) > >> problem, the NFS server shouldn't freeze up, since it only lost the > >> client connection. When the Ubuntu machine comes back up, it'll > >> just NFS mount the disk on the pclos machine. That should cure the > >> lock problem. > > > > Bear in mind Mark, that I now have it setup so each is both a client > > and a server, so that I can copy stuff in both directions. No clue > > if that is a no-no, but it works, until I reboot either one. Perhaps > > some other option needs to be enabled in /etc/exports? Like Sgt. > > Schultz, I no nothing. :) > > > > Cheers, Gene > > Do you really need to do that? That does make rebooting a bit > trickier. How are you mounting the NFS partitions? By that I mean, > what options are you using? Have you tried using the "soft" mounting > option, along with "retrans=n"? The default is "hard" and it keeps > banging away with NFS requests indefinitely. "soft", in conjunction > with the "retrans" option stops that behavior after "n" attempts. > > Mark
That sounds as if the rest of the machine should remain usable. In these cases everything stops and the only response available is hitting the hardware reset button. It doesn't happen very often. Both machines had uptimes in excess of two weeks till then. Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> Law of Procrastination: Procrastination avoids boredom; one never has the feeling that there is nothing important to do. ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
