[CentOS] Fedora and CentOS no longer on speaking terms

Anne Wilson cannewilson at googlemail.com
Sat Aug 20 08:38:04 UTC 2011


On Saturday 20 Aug 2011 03:41:12 Craig White wrote:
> On Fri, 2011-08-19 at 17:46 +0100, Anne Wilson wrote:
> > On Friday 19 Aug 2011 17:23:34 Anne Wilson wrote:
> > > On Friday 19 Aug 2011 15:43:23 Tony Schreiner wrote:
> > > > NFS v4 problems maybe. Try setting a value for  Domain  in
> > > >
> > > > /etc/idmapd.conf
> > > >
> > > > on both systems (the same for both).
> > >
> > > That gave me an unbootable system.  I've removed it, and am back at
> > > square 1. Two things -
> > >
> > > I should have said that I can access the system from the laptop using
> > > ssh + keys.
> > >
> > > During bootup I saw many messages about nfs4 exports failing, so that's
> > >  whre the problem is, it seems.  Can you please give me a sample line
> > > of a known good nfs4 export?
> >
> > It's hard to be sure when messages flash by so quickly, but I got the
> > impression that there was something about fstab.  Maybe the format
> > required for those lines has changed, too?  These are the lines that I
> > guess it is looking at:
> >
> > /Data1			/nfs4exports/Data1	none	bind		0 0
> > /Data2			/nfs4exports/Data2	none`	bind		0 0
> > /Data3			/nfs4exports/Data3	none	bind		0 0
> > /home			/nfs4exports/home	none	bind		0 0
> >
> > I think there was something about wrong or missing type.  Each of those
> > partitions is defined earlier in fstab and does have the correct type
> > stated.
> 
> ----
> this is obviously intended to be your NFS server (who knows whether this
> is CentOS or Fedora 14).

The server is CentOS 6.

> You can only bind mount something that already
> exists and maybe it's empty.
> 
> does ls -l /Data1 /Data2 /Data3 /home show much of anything?

Yes, it lists the contents of each of them.
> 
> On the other system (the NFS client), what does it have in fstab?

192.168.0.40:/Data1 /mnt/borg_Data1 nfs4 rsize=8192,wsize=8192,timeo=14,intr 0
 0
and equivalents for each of the others.

As I said originally, these lines worked with nfs4 on CentOS 5.

Anne



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