Hi Karli, i already thought that i am the only one with that combination ;)
On Mon, Jul 29, 2013 at 1:11 PM, Karli Sjöberg <karli.sjob...@slu.se> wrote: > ** > ons 2013-07-24 klockan 23:35 +0200 skrev squadra: > > Maybe found a workaround on the NFS server side, a option for the mountd > service > > > > > > -S Tell mountd to suspend/resume execution of the nfsd threads > when- > > ever the exports list is being reloaded. This avoids > intermit- > > tent access errors for clients that do NFS RPCs while the > exports > > are being reloaded, but introduces a delay in RPC response > while > > the reload is in progress. If mountd crashes while an > exports > > load is in progress, mountd must be restarted to get the nfsd > > threads running again, if this option is used. > > > > so far, i was able to reload the exports list twice, without any random > suspended vm. lets see if this is a real solution or if i just had luck two > times. > > > It would seem as if we are on the same boat:) Actually I hadn´t thought > about it before, but you´re right; issuing a "service mountd reload" does > pause a large number of VM´s, frickin annoying really. I mean, the NFS > server doesn´t care what or who it´s serving, you could be creating a new > export for a completely different system, and not even have oVirt in mind > before customers start to call, wondering why their VM´s have stopped > responding!? > > exactly the same i have > I actually tried that "-S" but it didn´t work for me at all, and looking > at the man-page for mountd, there´s no mention of it either, even though we > are presumably running the same version: > # uname -r > 9.1-RELEASE > > Or are you perhaps tracking "-STABLE", and there´s a minor difference > there? > > > i am tracking -STABLE, but the Man Page of "mountd" on a 9.1 Stable (Snapshot Release) also shows -S Parameter 9.1-STABLE FreeBSD 9.1-STABLE #0: Sun Jul 7 10:53:46 UTC 2013 r...@snap.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 9.2-PRERELEASE FreeBSD 9.2-PRERELEASE #6: Thu Jul 18 02:41:57 CEST 2013 root@filer1.intern. ´ both systems provide -S for the mountd, and so far i didnt have any more problems. lets see if this keeps going good. > > > but i am still interested in parameters which make the vdsm more > tolerant to short interruptions. instant suspend of a vm after such a short > "outage" is not very nice. > > > +1! > > /Karli > > Cheers, Juergen -- Sent from the Delta quadrant using Borg technology!
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