Re: [CentOS] [Fwd: Re: Getting started with NFS]

2009-07-04 Thread Frank Cox
On Sat, 04 Jul 2009 10:48:37 +0200
Niki Kovacs wrote:

 Any idea what might go wrong here?

firewall problem?

Try disabling your firewall and see if it works.  If it does, then here is my
note about how to do make NFS work through a firewall.

HOW TO SET UP A FIREWALL THAT ALLOWS NFS

Create the file /etc/sysconfig/nfs and add the following contents:

STATD_PORT=4001
LOCKD_TCPPORT=4002
LOCKD_UDPPORT=4002
MOUNTD_PORT=4003

 Append the following to the file /etc/services:

rquotad 4004/tcp # rpc.rquotad tcp port
rquotad 4004/udp # rpc.rquotad udp port

 Restart the nfs services

From there, open these ports - 111:tcp, 111:udp, 2049:tcp, 2049:udp,
4001:tcp, 4001:udp, 4002:tcp, 4002:udp, 4003:tcp, 4003:udp, 4004:tcp,
4004:udp


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Re: [CentOS] [Fwd: Re: Getting started with NFS]

2009-07-04 Thread Rob Kampen

Niki Kovacs wrote:




Subject:
Re: [CentOS] Getting started with NFS
From:
Niki Kovacs cont...@kikinovak.net
Date:
Sat, 04 Jul 2009 10:33:31 +0200
To:
Frank Cox thea...@sasktel.net

To:
Frank Cox thea...@sasktel.net


Frank Cox a écrit :


There isn't much to setting up a simple NFS fileserver and client 
mount.  Set

up /etc/exports on the server (this assumes your client is 192.168.0.3)

/whatever/where-ever/ 192.168.0.3(rw)

Start the nfs service.  Create a mount point on the client

mkdir /mnt/fileserver

 then mount the fileserver there.
mount fileserver:/whatever/where-ever/ /mnt/fileserver



That's about exactly what I did. I setup the NFS server on machine 
'raymonde' (192.168.1.4) on my local network. Then when I do this from 
another machine:


[r...@lifebook ~]# mount raymonde:/data /home/shares

Nothing happens for about a minute or so, and then I get the following 
error:


mount.nfs: Input/output error

Which leaves me clueless.

Any idea what might go wrong here?



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Niki,
nfs v2 and v3 are fairly simple, however I have not yet managed v4 as it 
seem to need kerberos and individual user authentication rather than 
machine authentication as do v2  v3.
If you use a firewall on your server, you will need to set up permanent 
ports for the various services that nfs uses. check out /etc/sysconfig/nfs
rpcinfo -p will show you what is running and what version and ports - 
very useful!!

HTH
Rob
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Re: [CentOS] [Fwd: Re: Getting started with NFS]

2009-07-04 Thread Niki Kovacs
Thanks everybody for the detailed hints and answers, on the list as well 
as offlist.

I got myself a second sandbox PC today, and I just installed two 
vanilla CentOS 5.3 systems on them. It'll be much easier to figure out 
the innards of NFS without the constantly nagging fear of breaking 
something on my production PCs. I'll eventually keep posting follow-ups 
to my investigations.

cheers,

Niki
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Re: [CentOS] [Fwd: Re: Getting started with NFS]

2009-07-04 Thread luc...@lastdot.org
On Sat, Jul 4, 2009 at 9:47 PM, Niki Kovacscont...@kikinovak.net wrote:
 Thanks everybody for the detailed hints and answers, on the list as well
 as offlist.

 I got myself a second sandbox PC today, and I just installed two
 vanilla CentOS 5.3 systems on them. It'll be much easier to figure out
 the innards of NFS without the constantly nagging fear of breaking
 something on my production PCs. I'll eventually keep posting follow-ups
 to my investigations.

 cheers,

 Niki
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This is a circumstance where virtualization would help.
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