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Re: [Linux-cluster] nfs4 kerberos



Still could not get it to work.

I tried changing the host name that rpcbind binds to during start up
with arguments in the /etc/sysconfig/rpcbind file.

RPCBIND_ARGS="hostname fserv.mydomain"

rpcbind started correctly with not errors.  I then restarted the other
rpc daemons and nfs.

Got the same error: rpc.svcgssd indicates "wrong principal"

I know the ip is working correctly because I can ssh into using the file
server name (fserv.mydomain).

Looking for more ideas!

Thanks.

Dan 

On Thu, 2011-04-07 at 14:58 -0400, danielgore yaktech com wrote:
> Ian,
> 
> You can find it here;
> 
> 
> http://sourceware.org/cluster/doc/nfscookbook.pdf
> 
> > I had written up a rather large set of build documentation for many common
> > clustered services. NFS4, Samba, Postfix/Cyrus, Squid and some other
> > stuff.
> > But those docs stayed with my employer, so.... I don't think I've seen
> > this
> > cookbook, is it some wiki-type thing where new docs can be contributed?
> >
> > On Thu, Apr 7, 2011 at 5:08 AM, Daniel R. Gore
> > <danielgore yaktech com>wrote:
> >
> >> A better solution for NFSv4 in a cluster is really required.
> >>
> >>
> >> A better cookbook with more real life likely scenarios for clustering
> >> solutions would be really helpful.  How many people actually setup the
> >> complex three layered solutions depicted, as compared to people setting
> >> up simple two/three node servers to for authorization, authentication,
> >> file and license serving.  It appears that the small business applicable
> >> system is completely ignored.
> >>
> >>
> >> On Thu, 2011-04-07 at 11:44 +0100, Colin Simpson wrote:
> >> > That's interesting about making the portmapper dependant on the IP,
> >> was
> >> > this for the same reason I'm seeing just now. I used the method from
> >> NFS
> >> > cookbook where I pseudo load balancing by distributing my NFS exports
> >> > across my nodes. Sadly the RHEL 6 portmapper replacement (rpcbind)
> >> > replies on the node IP and not the service IP, and this breaks NFSv3
> >> > mounts from RHEL5 clients with iptables stateful firewalls.
> >> >
> >> > I opened a bug on this one and have a call open with RH (via Dell) on
> >> > this:
> >> > https://bugzilla.redhat.com/show_bug.cgi?id=689589
> >> >
> >> > But I too would like a good clean method of doing kerberized NFSv4 on
> >> a
> >> > RHEL6 cluster. I thought NFSv4 being so central to RHEL6 this would be
> >> > easy on a RHEL6 cluster (without using XEN)? Can the cookbook be
> >> > updated?
> >> >
> >> > Which brings up another point. The RHEL cluster documentation is good,
> >> > however it doesn't really help you implement a working cluster too
> >> > easily (beyond the apache example), it's a bit reference orientated. I
> >> > found myself googling around for examples of different RA types. Is
> >> > there a more hands on set of docs around (or book)? It could almost do
> >> > with a cookbook for every RA!
> >> >
> >> > Thanks
> >> >
> >> > Colin
> >> >
> >> > On Thu, 2011-04-07 at 02:52 +0100, Ian Hayes wrote:
> >> > > Shouldnt have to recompile rpc.gssd. On failover I migrated the ip
> >> > > address first, made portmapper a depend on the ip, rpc.gssd depend
> >> on
> >> > > portmap and nfsd depend on rpc. As for the hostname, I went with the
> >> > > inelegant solution of putting a 'hostname' command in the start
> >> > > functions of the portmapper script since that fires first in my
> >> > > config.
> >> > >
> >> > > > On Apr 6, 2011 6:06 PM, "Daniel R. Gore" <danielgore yaktech com>
> >> > > > wrote:
> >> > > >
> >> > > > I also found this thread, after many searches.
> >> > > > http://linux-nfs.org/pipermail/nfsv4/2009-April/010583.html
> >> > > >
> >> > > > As I read through it, there appears to be a patch for rpc.gssd
> >> which
> >> > > > allows for the daemon to be started and associated with multiple
> >> > > > hosts.
> >> > > > I do not want to compile rpc.gssd and it appears the patch is from
> >> > > > over
> >> > > > two years ago.  I would hope that RHEL6 would have rpc.gssd
> >> patched
> >> > > > to
> >> > > > meet this requirement, but no documentation appear to exist for
> >> how
> >> > > > to
> >> > > > use it.
> >> > > >
> >> > > >
> >> > > >
> >> > > >
> >> > > >
> >> > > > On Wed, 2011-04-06 at 20:23 -0400, Daniel R. Gore wrote:
> >> > > > > Ian,
> >> > > > >
> >> > > > > Thanks for the info.
> >> > > > >
> >> > > > >...
> >> > > >
> >> > >
> >> > > plain text document attachment (ATT114553.txt)
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