mounting NFS

[John Lindinger]

Okay, 

1. On host rhserver1 which contains /data, the exportfs -av yields...

      exporting 172.16.1.0/255.255.255.0:/data

2. On host linux01 which wants to mount rhserver1:/data, the command
   
      mount -t nfs rhserver1:/data /mnt/rhserver1
  
   yeilds this...

      mount: wrong fs type, bad option, bad superblock on rhserver1:/data, 
             or too many mounted file systems

The /data partition is supposed to be ext2 but I think that the partition is hosed up
from a dirty shutdown. Here's more detail.

When I "upgraded" from RedHat 7.0 to 7.1 on rhserver1, x became totally hosed, and startx
now reboots the system. On restart, the forced filesystem checks found and fixed problems
on the raid5 partition that holds /data.  The mount command on host linux01 worked before
the 7.0 to 7.1 upgrade on rhserver1. The /data partition is supposed to be ext2 but I
think that the partition is still hosed up from the dirty shutdown. 

I just got the RedHat 7.2 CD images and I will be installing (not upgrading it) RH 7.2
onto rhserver1. No serious loss of data, so a fresh install may be best course of action.

Thanks for the help. Using the command line is great once someone shows the way.

John Lindinger

--- Eric Rossiter <rossiter at discoverynet.com> wrote:
> 
> > > John Lindinger wrote:
> > > >
> > > > Hello KCLUG:
> > > >
> > > > I've got a host rhserver1 that has within /etc/exports
> > > >
> > > >   /data 172.16.1.0/255.255.255.0(rw) # raid5 storage
> 
> what does exportsfs -a show you?  you should see rhserver1:/data
> -(rw)blah, blah
> 
> > > >
> > > > on my host linux01 logged in as root I try to mount the above as follows...
> > > >
> > > >  mount rhserver1:/dada /mnt/rhserver1
> 
> 
> I noticed a reference to Linux01 down below... is this the server you're
> exporting from or trying to mount to?
> 
> is dada a misspell, or you trying to mount a dir that doesn't exist? Try
> mount -t nfs rhserver1:/data /mnt/rhserver1

 YES "dada" is misspell, should be "data", and was entered correctly at comand prompt.

> 
> oh, and if your trying to mount this directory, on the same machine as
> it exists, why would you use nfs? or is /mnt/rhserver1 just the path
> name?  You only want to export the dir as an nfs dir if your'e mounting
> to another machine on the net, i.e rhserver2,
> 
> or, and I may be confused, if /data exists on rhserver1, then just mount
> is as ext2 or 3, whatever, and then export /mnt/data as nfs in
> etc/exports
> 
> then issue exportsfs -a
> 
> you should see /mnt/data exported.
> 
> then you'd mount it to another box w/ mount -t nfs servername:/dir
> /mnt/data
> 
> 
> > > >
> > > > but I get the message...
> > > >
> > > >   mount: RPC: Unable to receive; errno = Connection refused
> 
> Port mapper isn't running.
> 
> > > >
> > > > rhserver1 is in my linux01's  /etc/hosts with correct IP address.
> > > >
> > > > The connection is good because...
> > > >
> > > >   ping rhserver1 -c 3
> > > >
> > > > is successful at resolving the host name and successfully pings the server.
> > > >
> > > > Anybody got a clue why the mount command fails?
> > > >
> > > > Thanjs,
> > > > John Lindinger
> > > >
> 
> HTH, Eric
> 
> P.S.  keep giving me info, and keep trying...we'll get this...nfs is the
> one thing in Linux I can do. lol

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