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Re: rsync from xfs to nfs+xfs and ACL problems

To: Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>
Subject: Re: rsync from xfs to nfs+xfs and ACL problems
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed, 19 May 2010 07:51:51 -0400
Cc: xfs@xxxxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>
In-reply-to: <201005191346.38699@xxxxxx>
References: <201005181350.15308@xxxxxx> <201005191304.42314@xxxxxx> <20100519112034.GA29064@xxxxxxxxxxxxx> <201005191346.38699@xxxxxx>
User-agent: Mutt/1.5.19 (2009-01-05)
On Wed, May 19, 2010 at 01:46:38PM +0200, Michael Monnerie wrote:
> On Mittwoch, 19. Mai 2010 Christoph Hellwig wrote:
> > XFS stores ACLs different than other Linux filesystems because it's
> > on-disk compatible to IRIX.  While the other filesystems store the
> >  ACL in the same format that is used for the user interface XFS
> >  stores it in a separate trusted extended attribute.  rsync should
> >  and
> > traditionally has ignored those attributes, but it seems something in
> > rsync changed recently so that it tries to copy these attributes in
> > the trusted.* namespace, which fails on NFS.
> Thank you. Does that mean I can simply ignore that errors, and that 
> everything is OK even over NFS?

Thinks should be okay - rsync probably has copied the ACLs via the
normal system namespace.  You can verify this by doing a getfacl
on a nfs file that should havfe ACLs.

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