Re: possible NFS lockups

2010-07-27 Thread krad
On 27 July 2010 16:29, krad wrote: > I have a production mail system with an nfs backend. Every now and again we > see the nfs die on a particular head end. However it doesn't die across all > the nodes. This suggests to me there isnt an issue with the filer itself and > the stats from the filer

Re: Intel TurboBoost in practice

2010-07-27 Thread Alexander Motin
Alan Cox wrote: > On Mon, Jul 26, 2010 at 9:11 AM, Alexander Motin > wrote: > > In that case using C2 or C3 predictably caused small performance reduce, > as after falling to sleep, CPU needs time to wakeup. Even if tested CPU0 > won't ever sleep during test,

Re: Set default pxeboot vfs.root.mountfrom to nfs?

2010-07-27 Thread Doug Ambrisko
Garrett Cooper writes: | Hi Hackers, | I realize this is a trivial patch, but it's a minor item that I | found kind of fascinating (and not thoroughly documented elsewhere | because many examples are booting mfsroots instead of directly booting | off nfs roots), but I'm proposing that pxeboot d

Re: Intel TurboBoost in practice

2010-07-27 Thread Alan Cox
On Mon, Jul 26, 2010 at 9:11 AM, Alexander Motin wrote: > Robert Watson wrote: > > On Sun, 25 Jul 2010, Alexander Motin wrote: > >>> The numbers that you are showing doesn't show much difference. Have > >>> you tried buildworld? > >> > >> If you mean relative difference -- as I have told, it's mo

possible NFS lockups

2010-07-27 Thread krad
I have a production mail system with an nfs backend. Every now and again we see the nfs die on a particular head end. However it doesn't die across all the nodes. This suggests to me there isnt an issue with the filer itself and the stats from the filer concur with that. The symptoms are lines lik