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Re: [zfs-discuss] What are .$EXTEND directories?

Subject: Re: [zfs-discuss] What are .$EXTEND directories?
From: "Volker A. Brandt"
Date: Mon, 3 Jan 2011 18:08:54 +0100
> On our build 147 server (pool version 22) I've noticed that some directories 
> called ".$EXTEND" (no quotes) are appearing underneath some shared NFS 
> filesystems, containing an empty file called "$QUOTA". We aren't using quotas.
> What are these ? Googling for the names doesn't really work too well :-(
> I don't think they're doing any harm, but I'm curious. Someone's bound to
> notice and ask me as well :-) 

Well, googling for '.$EXTEND' and '$QUOTA' does give some results,
especially when combined with 'NTFS'. :-)

Check out the table on "Metafiles" here:


Regards -- Volker
Volker A. Brandt               Consulting and Support for Oracle Solaris
Brandt & Brandt Computer GmbH                   WWW: http://www.bb-c.de/
Am Wiesenpfad 6, 53340 Meckenheim                     Email: [email protected]
Handelsregister: Amtsgericht Bonn, HRB 10513              Schuhgröße: 46
Geschäftsführer: Rainer J. H. Brandt und Volker A. Brandt
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