Re: nfs over ipv6 support

[Rajesham Gajjela <rajeshamg@yahoo.com>]

Thanks Chuck for the quick reply.
 - this support is not there even in latest
   kernels (2.6.24 and such) ?
 - Whats is your plan on this ? Do you think,
   it can be done any time soon ?

Rajesham

--- Chuck Lever <chuck.lever@oracle.com> wrote:

> Rajesham-
> 
> IPv6 is not supported for NFS.  The code you are
> looking at is a  
> development snapshot.
> 
> On Mar 13, 2008, at 10:31 AM, Rajesham Gajjela
> wrote:
> >> Mar 13 19:32:20 DXi5500-12345 kernel: RPC:
> transport
> >> (2/17) not supported
> >
> > After looking at the code
> (include/linux/socket.h):
> > #define AF_INET         2       /* Internet IP
> > Protocol         */
> >
> > include/linux/in.h:
> >   IPPROTO_UDP = 17,             /* User Datagram
> > Protocol               */
> >
> > Why 2/17 (which is AF_INET/IPPROTO_UDP) not
> > registered ?
> >
> > Looking at the register code:
> net/sunrpc/xprtsock.c:
> > static int __init init_xs_transport(void)
> > {
> >         xprt_register(&xs_udp4_type);
> > #if defined(CONFIG_IPV6) ||
> > defined(CONFIG_IPV6_MODULE)
> >         xprt_register(&xs_udp6_type);
> > #endif
> >         xprt_register(&xs_tcp4_type);
> > #if defined(CONFIG_IPV6) ||
> > defined(CONFIG_IPV6_MODULE)
> >         xprt_register(&xs_tcp6_type);
> > }
> >
> > The above code must add to "xprt_list". Note that,
> > I configured my kernel with CONFIG_IPV6.
> >
> >
> >
> > --- Rajesham Gajjela <rajeshamg@yahoo.com> wrote:
> >
> >>
> >> Did any body test nfs (v2 and v3) over ipv6 ?
> >> do you guys claim "this feature suppose to work"
> ?
> >>
> >> It did not work for me. Here are the details of
> >> experiments I did (for me server and client is
> >> same):
> >>
> >> 1) Kernel side : Linux-2.6.12-5 +
> >>       linux-2.6.12-rc6-CITI_NFS4_ALL-1.dif +
> >>       Chuck Lever Transport Patch
> >>
> >
>
(http://oss.oracle.com/~cel/linux-2.6/2.6.12/release-notes.html)
> >>
> >> 2) User land (tools) side: libtirpc-0.1.7-1 +
> >>      rpcbind-0.1.4 + nfs-utils-1.1.1 +
> quota-3.12-5
> >> (Ref:
> >>
> >
>
http://nfsv4.bullopensource.org/patches/nfsv4_ipv6-2)
> >>
> >> 3) rpcbind suppose to recognize ipv6/ipv4 tcp/udp
> >>    protocols (after modifying /etc/netconfig). I
> did
> >>
> >>    softlink of /usr/bin/rpcbind to
> /sbin/portmap).
> >>    Then did "service portmap restart".
> >>    Then "service nfs restart". NFS services
> failed.
> >>
> >> syslog messages:
> >>
> >> Mar 13 19:32:20 DXi5500-12345 nfs: Starting NFS
> >> services:  succeeded
> >> Mar 13 19:32:20 DXi5500-12345 nfs: rpc.rquotad
> >> startup
> >> succeeded
> >> Mar 13 19:32:20 DXi5500-12345 kernel: RPC:
> transport
> >> (2/17) not supported
> >> Mar 13 19:32:20 DXi5500-12345 last message
> repeated
> >> 2
> >> times
> >> Mar 13 19:32:20 DXi5500-12345 nfsd[12453]:
> nfssvc:
> >> Input/output error
> >> Mar 13 19:32:20 DXi5500-12345 nfs: rpc.nfsd
> startup
> >> failed
> >> Mar 13 19:32:20 DXi5500-12345 nfs: rpc.mountd
> >> startup
> >> succeeded
> >> Mar 13 19:32:20 DXi5500-12345 rpc.idmapd:
> >> nfsdreopen:
> >> Opening '/proc/net/rpc/nfs4.idtoname/channel'
> >> failed:
> >> errno 2 (No such file or directory)
> >> Mar 13 19:32:20 DXi5500-12345 rpc.idmapd:
> >> nfsdreopen:
> >> Opening '/proc/net/rpc/nfs4.nametoid/channel'
> >> failed:
> >> errno 2 (No such file or directory)
> >> Mar 13 19:32:20 DXi5500-12345 rpcidmapd:
> rpc.idmapd
> >> -SIGHUP succeeded
> >>
> >>
> >>
> >>
> >>
> >
>
______________________________________________________________________
> 
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> >>
> >
> >
> >
> >        
> >
>
______________________________________________________________________
> 
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> --
> Chuck Lever
> chuck[dot]lever[at]oracle[dot]com
> 
> 
> 
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