From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Anton Farygin Organization: ALT Linux Ltd. Date: Fri, 15 Jul 2005 09:30:50 +0400 User-Agent: Pan/0.14.2 (This is not a psychotic episode. It's a cleansing moment of clarity.) Message-Id: To: devel@altlinux.ru MIME-Version: 1.0 Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: 8bit Subject: [devel] [gmane.comp.file-systems.unionfs.general] Re: Using unionfs to group a few filesystems together X-BeenThere: devel@altlinux.ru X-Mailman-Version: 2.1.5 Precedence: list Reply-To: ALT Devel discussion list List-Id: ALT Devel discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Jul 2005 05:33:49 -0000 Archived-At: List-Archive: List-Post: Может кому пригодится ? On Thu, 14 Jul 2005 15:20:32 -0400, Erez Zadok wrote: > In message <20050714174724.GB9082-vCsBGSbFJi4XOLVLeuLo0p3xXOyapcuTYd9OGiuxSwg@public.gmane.org>, Thomas Glanzmann writes: >> Hello, >> I would like to to use unionfs to merge /data0 /data1 /data2 into /data. >> All three filesystems (data{0,1,2}) are writable. If someone is writing >> stuff to /data unionfs should use the disk which has the most free space >> and put the stuff in it and honour the directory structure is this >> possible with unionfs? If so, what do I have to do to obtain it? If >> something is deleted it should be removed from the corresponding >> filesystem. > >> Thomas > > Thomas, what you're asking is a (space) load-balancing feature of sorts. > Although it's useful, it is somewhat outside the scope of unionfs and would > require a non-trivial change to existing code. Unionfs has a specific > functionality that we'd like to get working perfectly first, and keep it as > simply as possible, so we can get the code into mainline; we try to avoid > bloating unionfs with a "kitchen-sink" set of features. :-) > > We have another fan-out project called RAIF in which you feature may fit > very well. See http://www.fsl.cs.sunysb.edu/project-raif.html > > Erez.