[ClusterLabs] nfsServer Filesystem Failover average 76s

C. Handel christoph at macht-blau.org
Sat Aug 15 10:02:43 UTC 2015


how are you measuring failover time? Time until the client can access files
again? If yes, there is a gracetime imposed by the NFS server. On failover
all clients are required to reclaim their file locks.

Greetings
   Christoph

On Fri, Aug 14, 2015 at 7:22 PM, Digimer <lists at alteeve.ca> wrote:

> It may or may not help, but I know some performance improvements were
> made recently. Can you update to pacemaker 1.1.12? It should be in the
> stock repos. 1.1.9 was an odd release. If you're still on RHEL 6.4 (I am
> guessing, but the pacemaker version), it would be a good idea to update
> in general. *Lots* changed in HA from 6.4 -> 6.6.
>
> digimer
>
> On 14/08/15 01:17 PM, Streeter, Michelle N wrote:
> > I am getting an average failover for nfs of 76s.   I have set all the
> > start and stop settings to 10s but no change. The Web page is instant
> > but not nfs.
> >
> >
> >
> > I am running two node cluster on rhel6 with pacemaker 1.1.9
> >
> >
> >
> > Surely these times are not right?  Any suggestions?
> >
> >
> >
> > Resources:
> >
> > Group: nfsgroup
> >
> >   Resource: nfsshare (class=ocf provider=heartbeat type=Filesystem)
> >
> >    Attributes: device=/dev/sdb1 directory=/data fstype=ext4
> >
> >    Operations: start interval=0s (nfsshare-start-interval-0s)
> >
> >                stop interval=0s (nfsshare-stop-interval-0s)
> >
> >                monitor interval=10s (nfsshare-monitor-interval-10s)
> >
> >   Resource: nfsServer (class=ocf provider=heartbeat type=nfsserver)
> >
> >    Attributes: nfs_shared_infodir=/data/nfsinfo nfs_no_notify=true
> >
> >    Operations: start interval=0s timeout=10s
> (nfsServer-start-timeout-10s)
> >
> >                stop interval=0s timeout=10s (nfsServer-stop-timeout-10s)
> >
> >                monitor interval=10 timeout=20s
> > (nfsServer-monitor-interval-10)
> >
> >   Resource: NAS (class=ocf provider=heartbeat type=IPaddr2)
> >
> >    Attributes: ip=192.168.56.110 cidr_netmask=24
> >
> >    Operations: start interval=0s timeout=20s (NAS-start-timeout-20s)
> >
> >                stop interval=0s timeout=20s (NAS-stop-timeout-20s)
> >
> >                monitor interval=10s timeout=20s
> (NAS-monitor-interval-10s)
> >
> >
> >
> > Michelle Streeter
> >
> > ASC2 MCS – SDE/ACL/SDL/EDL OKC Software Engineer
> > The Boeing Company
> >
> >
> >
> >
> >
> > _______________________________________________
> > Users mailing list: Users at clusterlabs.org
> > http://clusterlabs.org/mailman/listinfo/users
> >
> > Project Home: http://www.clusterlabs.org
> > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> > Bugs: http://bugs.clusterlabs.org
> >
>
>
> --
> Digimer
> Papers and Projects: https://alteeve.ca/w/
> What if the cure for cancer is trapped in the mind of a person without
> access to education?
>
> _______________________________________________
> Users mailing list: Users at clusterlabs.org
> http://clusterlabs.org/mailman/listinfo/users
>
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.clusterlabs.org/pipermail/users/attachments/20150815/d0199fa7/attachment-0002.html>


More information about the Users mailing list