Marc Eshel | 11 Aug 01:58 2011
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Linux pNFS status meeting 08/11/11

Meeting on Thursday 08/11/11 at 9:30 AM PST (12:30 PM EST)

USA Toll-Free: 888-426-6840
USA Caller Paid: 215-861-6239

Israel Toll-Free: 1-809-417-783

Participant Code: 8792872

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Bill Baker | 30 Dec 16:30 2010
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Connectathon 2011, (slight) venue change


Seasons Greetings, all,

In order to provide for a more affordable connectathon
experience, we've decided to move the event onto Oracle's
Santa Clara campus, in the historic Agnews auditorium.

http://www.nps.gov/nr/travel/santaclara/agn.htm

The dates and times of the event are unchanged,
February 21st through February 25th.

I've updated http://www.connectathon.org to reflect the
new information.  Registration details will be posted shortly.

Questions?  Comments?  CONNECTATHON2011_WW <at> oracle.com

I'll see you at Connectathon 2011.

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Bill Baker | 8 Dec 01:30 2010
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Connectathon 2011 announcement


Greetings, all,

The Oracle Corporation will be hosting the 25th
Connecthon at the Network Meeting Center in Santa
Clara, CA.  The event will begin the morning of February
21st and close the afternoon of Friday, February 25th.
This is the week immediately after Fast 2011, which is
in San Jose.

We will be updating the connectathon.org website with
more detailed information very shortly.

As in recent years, we will be holding technical sessions
in the afternoons.  If you have a proposal for a topic,
please send me a brief abstract.

If you have questions or comments about the event, please
send them to me.

I'll see you at Connectathon 2011.

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sfaibish | 11 Oct 15:05 2010

Pictures from the October Bakeathon in EMC

 From interop room at:
http://picasaweb.google.com/Echallon6/BakeatonPlugfestOctober2010EMC#
and from the reception at
http://picasaweb.google.com/Echallon6/BakeathonOctober2010EMC#

Enjoy
/Sorin

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Best Regards

Sorin Faibish
Corporate Distinguished Engineer
Unified Storage Division
         EMC²
where information lives

Phone: 508-249-5745
Cellphone: 617-510-0422
Email : sfaibish <at> emc.com
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sfaibish | 3 Oct 19:31 2010

Agenda for discussions at 2010 Fall Bakeathon

Conf call number for all the discussions: 1-888-643-3084; ID 47712479#

Monday October 4th	 	 	
2:00 - 2:30 PM 	Layoutcommit for file layout 			Dave Noveck
2:30 - 3:00 PM 	Server side copy 				James Lentini
3:00 - 3:30 PM 	NFS-Utils and Fedora rpms 			Sorin , Steve Dickson
3:30 - 4:00 PM 	Sparse files and storage preferences 		Dean Hildebrand,  
Sorin 	
  	 	 	
Tuesday October 5th	 	 	
2:00 - 2:30PM 	Secure NFS 					David Quigly, Jack
2:30 -3:00 PM 	pNFS file servers implementation strategy 	Olga Kornievskaia
3:00 - 4:00PM 	Performance tests - tools and benchmarks 	Peter Honeyman
   		Cluster tests using clients in concertration 	Boaz Harosh 	
  	 	 	
Wednesday October 6th	 	 	
2:00 - 2:30PM 	Multi-layout pNFS server support 		Sorin and Dave
2:30 - 3:30PM 	Extend cthon with callback operations tests 	Peter Honeyman
   		Local/remote truncate torture tests 		Boaz Harosh 	
  	 	 	
Thursday October 7th	 	 	
2:00 - 2:30 PM 	pNFS with IPv6 					Sorin
2:30 - 3:00 PM 	Linux FedFS imlementation 			Chuck Lever 	
3:00 - 3:30 PM 	Brief discussion on courtesy lock issue related
		to RFC3530bis 					Dave Noveck
3:30 - 4:00 PM 	Discussion on our general testing
		strategy and new test suite 			Tom Haynes
  	 	

Feel free to join any discussion at any time as the bridge will be open
(Continue reading)

Marc Eshel | 29 Sep 20:38 2010
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Linux pNFS status meeting 09/30

Meeting on Thursday 09/30/10 at 9:30 AM pacific time (12:30 PM UMICH time)

Marc. 
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Aneesh Kumar K.V | 24 Sep 14:48 2010
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[PATCH -V4 00/11] New ACL format for better NFSv4 acl interoperability


Hi,

The following set of patches implements VFS changes needed to implement
a new acl model for linux. Rich ACLs are an implementation of NFSv4 ACLs,
extended by file masks to fit into the standard POSIX file permission model.
They are designed to work seamlessly locally as well as across the NFSv4 and
CIFS/SMB2 network file system protocols.

The patch set consists of four parts:

The first set of patches, posted as a follow up, contains VFS changes needed
to implement the Rich ACL model. The second set [1] contains the Rich ACL model
and Ext4 implementation. The third set [2] contains mapping of Rich ACL to
NFSv4 ACL (how to apply file mask to access mask) and implementation of
Richacl ACL for NFS server and client. The fourth set [3] contains POSIX ACL
to Rich ACL mapping and its ext4 usage.

[1] git://git.kernel.org/pub/scm/linux/kernel/git/agruen/linux-2.6-richacl.git richacl-minimal
[2] git://git.kernel.org/pub/scm/linux/kernel/git/agruen/linux-2.6-richacl.git richacl-upstream
[3] git://git.kernel.org/pub/scm/linux/kernel/git/agruen/linux-2.6-richacl.git richacl-fullset

A user-space utility for displaying and changing richacls is available at [4]
(a number of examples can be found at http://acl.bestbits.at/richacl/examples.html).

[4] git://git.kernel.org/pub/scm/linux/kernel/git/agruen/richacl.git master

To test richacl on ext4 use -o richacl mount option. This mount option may later be
dropped in favour of a feature flag.

(Continue reading)

Marc Eshel | 1 Sep 22:35 2010
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Linux pNFS status meeting 09/02

Meeting on Thursday 09/02/10 at 9:30 AM pacific time (12:30 PM UMICH time)

Marc. 
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Richard Smits | 31 Aug 16:49 2010
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krb5 authentication error with nfs client 1.2.x

Hello,

We are working on a problem here what is getting bigger. I will explain.

Our clients are using SLED 11. If they upgrade to sp1, they get a newer 
nfs client.

Client before update : nfs-client-1.1.3-18.17
Client after update : nfs-client-1.2.1-2.6.6

We are using krb5 authentication with an active directory. The nfs mount 
we are trying to make is on a netapp nashead.

The scenario is as followes. The client works as expected. When you ONLY 
upgrade the nfsclient package, we get an error :

mount /mnt/nfs/
mount.nfs4: access denied by server while mounting srvxxx:/vol/vol1/target

I have enabled logging on the rpcgssd :

Aug 31 16:17:09 vmlinux12 rpc.gssd[14072]: Full hostname for 
'srvxxx.domain.net' is 'srvxxx.domain.net'
Aug 31 16:17:09 vmlinux12 rpc.gssd[14072]: Full hostname for 
'server.domain.net' is 'server.domain.net'
Aug 31 16:17:09 vmlinux12 rpc.gssd[14072]: Key table entry not found 
while getting keytab entry for 'root
/server.domain.net <at> DOMAIN.NET'
Aug 31 16:17:09 vmlinux12 rpc.gssd[14072]: Success getting keytab entry 
for 'nfs/server.domain.net <at> DOMAIN.NET'
(Continue reading)

Olaf Kirch | 30 Aug 15:03 2010
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[PATCH 0/2] Make libtirpc work with old style portmapper


Hi Steve et al,

We recently got a bug report from a customer trying to run nfs-utils
(which is compiled against libtirpc on SLES 11) on a system with
portmapper installed instead of rpcbind. Which failed miserably,
because none of the RPC servers was able to register with portmap.

One might argue, if it hurts don't do it, but OTOH this configuration
isn't totally outlandish. In particular, ISVs may decide they want
to compile an RPC enabled application against libtirpc, but still
want it to run on a wide range of Linux versions.

I looked into the issue and put together the following two patches,
which I'm submitting for your kindly review.

Thanks
Olaf
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GF: Markus Rex, HRB 16746 (AG Nürnberg)
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Mi Jinlong | 24 Aug 11:36 2010

[RFC][PATCH] nfs4: set exception->state before calling nfs4_handle_exception() for locks

At the latest kernel, it is calling nfs4_handle_exception() without 
setting exception->state for locks. That cause client can't get lock 
success when new_lock_owner != 0.

nfs4_recovery_handle_error() also be called after nfs4_proc_renew, 
but claim OPEN proc always after RENEW proc. Maybe the function 
nfs4_state_end_reclaim_reboot() shouldn't be called when client 
get a NFS4ERR_STALE_CLIENTID error.

This patch sets exception->state before calling nfs4_handle_exception()
and also modifies nfs4_recovery_handle_error().

Signed-off-by: Mi Jinlong <mijinlong <at> cn.fujitsu.com>

---
 fs/nfs/nfs4proc.c  |   12 +++++++++---
 fs/nfs/nfs4state.c |    4 ++--
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 089da5b..a2f56bc 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
 <at>  <at>  -4233,7 +4233,9  <at>  <at>  static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f
 static int nfs4_lock_reclaim(struct nfs4_state *state, struct file_lock *request)
 {
 	struct nfs_server *server = NFS_SERVER(state->inode);
-	struct nfs4_exception exception = { };
+	struct nfs4_exception exception = {
+		.state = state,
(Continue reading)


Gmane