Data Deduplication File Systems

Michael Torrie torriem at gmail.com
Mon Feb 25 10:23:45 MST 2013


On 02/25/2013 09:34 AM, Lonnie Olson wrote:
> On Sun, Feb 24, 2013 at 11:45 PM, DANIEL DAVID EGLI
> <ddavidegli at gmail.com> wrote:
>> *Question for you guys. Someone recently told me about a new set of Linux
>> file systems that include data-deduplication.
> 
> The only filesystem on Linux that I know has deduplication and I would
> dare use in production is ZFS.
> ZFS also would add some other features that would fit well with a
> media storage server as well.
> 
> Our awesome Aaron Toponce has written a great set of articles all about it.
> http://pthree.org/2012/04/17/install-zfs-on-debian-gnulinux/
> 
> There are concerns about how much space you would save, as Tod was
> referring to.  It would depend on the block size and alignment of the
> commercials across the blocks that the filesystem would be comparing.

It's all moot to Daniel's situation anyway, since deduplication will do
nothing to help him as there are no duplicate blocks to dedup when you
are recording with MythTV.


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