Gvirstor and ZFS

Eric Anderson anderson at freebsd.org
Thu Apr 26 12:58:30 UTC 2007

On 04/26/07 07:40, Jason Hills wrote:
> Not technically, from a user perspective, regarding features, how does
> ZFS and Geom Virstor compare? I have tried the first, trying to try
> the second right now, and my first impressions is that they serve for
> the same thing.

ZFS is a filesystem with storage strapped in, and GVirstor is simply a 
storage virtualizer, so it makes a storage device that appears to be a 
certain size but isn't really that size.  That way, you can start with a 
10TB device and slap a filesystem on it, then as time goes by, add real 
storage behind it while you add data to the file system.  All while 

ZFS can do a lot too, but the requirements are higher for the system, 
and it's certainly not as simple as gvirstor.  There's a place for both 
of them.


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