[Gluster-devel] xattr support

Jeff Darcy jdarcy at redhat.com
Fri May 6 15:16:44 UTC 2011

On 05/06/2011 10:53 AM, Hans K. Rosbach wrote:
>> GlusterFS does support xattrs - I've worked extensively with this 
>> functionality myself - so it must be the config. Are you sure that
>> the server-side bricks which make up your GlusterFS filesystem are
>> on filesystems mounted with user_xattr?
> Thank you, that was indeed the fault.

You're welcome.

> I had thought that GlusterFS would not have worked at all without 
> user_xattr on the server side, so it did not even occur to me to
> check the server side mount. A server log message about this would
> probably have been nice.

The xattrs used internally are all in the "trusted" namespace so they
don't require user_xattr.
http://cloudfs.org/2011/04/glusterfs-extended-attributes/ has some more
information about internal xattr usage; please let me know if there's
information you'd like that's missing.

> I am happy to say that I now have no remaining issues with our 
> glusterfs setup whatsoever after 2 months of extensive testing. The
> problems that did show up were quickly corrected in 3.1.3 and 3.1.4.
> We are now looking at going to production with the system.

That's awesome.  The more the merrier.  :)

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