On Mar 13, 2008, at 9:00 PM, Rajesham Gajjela wrote:
> Thanks Chuck for the quick reply.
> - this support is not there even in latest
> kernels (2.6.24 and such) ?
IPv6 support in Linux NFS is not complete even in the latest upstream
kernels, although more of it has been filled in than existed in the
2.6.12 patches.
> - Whats is your plan on this ? Do you think,
> it can be done any time soon ?
I gave a short presentation at LSF '08 a couple of weeks ago
describing progress and plans:
http://oss.oracle.com/~cel/LSF-08-NFS-IPv6.pdf
The slides are rather sparse, but there was hand waving that went
with the slides.
> --- Chuck Lever <[email protected]> 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 <[email protected]> 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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>
>
>
>
> ______________________________________________________________________
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--
Chuck Lever
chuck[dot]lever[at]oracle[dot]com