NFS over GB ethernet

Art Edwards edwardsa at plk.af.mil
Thu Nov 7 12:31:14 EST 2002


This sounds like what we are seeing. I believe that the automount
solution will suit our needs best. Thanks to all for your inputs. I
learned a lot about how machines come up.

Art Edwards

On Wed, Nov 06, 2002 at 04:06:50PM -0500, Donald Becker wrote:
> On 6 Nov 2002, Vann H. Walke wrote:
> 
> > One other thing to try is to disable auto-negotiation on your switch.
> 
> NOOOOooooo....
> 
> > If the gigabit switch takes longer to negotiate the connection settings
> > than NFS is willing to wait, the links will fail.  Manually setting the
> > switch ports could fix things in that case.
> 
> Autonegotiation *will* take less than 3 seconds.
> Typically the negotiation takes milliseconds.
> 
> The problem is likely that the switch is configured to perform discovery
> when the link drops, and won't pass normal traffic for about a minute.
> 
> -- 
> Donald Becker				becker at scyld.com
> Scyld Computing Corporation		http://www.scyld.com
> 410 Severn Ave. Suite 210		Scyld Beowulf cluster system
> Annapolis MD 21403			410-990-9993
> 
> _______________________________________________
> Beowulf mailing list, Beowulf at beowulf.org
> To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf

-- 
Art Edwards
Senior Research Physicist
Air Force Research Laboratory
Electronics Foundations Branch
KAFB, New Mexico

(505) 853-6042 (v)
(505) 846-2290 (f)
_______________________________________________
Beowulf mailing list, Beowulf at beowulf.org
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf



More information about the Beowulf mailing list