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Date: Mon, 8 Oct 2012 08:20:40 -0400
From: "J. Bruce Fields" <bfields@fieldses.org>
To: Steve Dickson <SteveD@redhat.com>
Cc: NeilBrown <neilb@suse.de>, "Myklebust, Trond" <Trond.Myklebust@netapp.com>,
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Subject: Re: Inconsistency when mounting a directory that 'world' cannot
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On Mon, Oct 08, 2012 at 07:42:34AM -0400, Steve Dickson wrote:
> Assuming you are using the keyring based idmapper, "nfsidmap -cv" will
> clear the keyring of user and group ids. See nfsidmap(5).

Oh, good, I'd missed that....

> If you using rpc.idmapd, I believe 
>     echo `date +'%s'` > /proc/net/rpc/nfs4.idtoname/flush
> will do the trick.... The CITI faq 
>     http://www.citi.umich.edu/projects/nfsv4/linux/faq/
> has a section on work with this cache...

No, that's just the server-side cache, but if as Neil says the
on-the-wire replies look correct, then the problem is client-side.

--b.