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From: Nikolay Denev <ndenev@gmail.com>
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Date: Sun, 18 Oct 2009 11:10:12 +0300
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To: Arnaud Houdelette <tzim@tzim.net>
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Subject: Re: ZFS send from FreeBSD 7.1 (v6) to 8.0 (v13).
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On 15 Oct, 2009, at 22:17 , Arnaud Houdelette wrote:

> Hi.
>
> I use ZFS send/receive to do daily (or nightly) remote replication  
> from a dedicated server (at ISP's ) to my Home server.
>
> Dedicated server use 7.1-RELEASE.
> Home server is 7.2-RELEASE.
> Each night, a snapshot is taken on the dedicated server and an  
> incremental send used to replicate the content to my Home server. No  
> problem so far.
>
> With incoming 8.0, I'd like to upgrade my home server (and maybe  
> upgrade pool to v13) before even thinking to do anything to the  
> dedicated server. Will the send/receive scheme continue to work ?
>
> Regards,
>
> Arnaud

Check in the zfs manual page. It says this :

...
            The format of the stream is evolving. No backwards  
compatibility is
            guaranteed.  You  may not be able to receive your streams  
on future
            versions of ZFS.
...


Regards,
Niki