Sharing ZFS Zpools and Filesystems Between 7.1-STABLE and 8.0-CURRENT

[Xin LI]

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Cy Schubert wrote:
> Would unwise to use the same ZFS zpools on a 7.1 and 8.0 system, at 
> different times of course? I've done this on my testbed without any 
> repercussions however I don't really care if I lose data on my testbed. I'm 
> about to attempt this on my laptop which does contain data I do want to 
> keep. Given that the ZFS code in -STABLE and -CURRENT are to a degree 
> different, would there be any risk? If so can I manage that risk in any way?

As a general rule, always backup data that you care.

I have not encountered any problem using zpool that is shared between
7.1 and 8.0.  What you should pay attention to is that never do 'zpool
upgrade' nor 'zfs upgrade' on 8.0 system until you have decided that you
won't use 7.1 anymore.

Cheers,
- --
Xin LI <delphij at delphij.net>	http://www.delphij.net/
FreeBSD - The Power to Serve!
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