On 01/31/2012 06:09 AM, gene heskett wrote: >>> 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 > NFS can use up all the CPU cycles trying to get a remount. I've seen that quite a few times, especially at boot time, when a system is trying to do an NFS mount on another system that's down at the time, and it just sits there forever until the other machine comes back up. The soft and retrans option allows the boot to continue after so many attempts, and then you can fix the problem once it's fully booted.
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