zhihui Chen wrote:
I have created a pool on external storage with B114. Then I export this pool
and import it on another system with B110.But this import will fail and show
error:  cannot import 'tpool': pool is formatted using a newer ZFS version.
Any big change in ZFS with B114 leads to this compatibility issue?

It's always a good idea to check out the release flag days to get an idea
of the impacts of changes. http://opensolaris.org/os/community/on/flag-days/

This one stands out - http://opensolaris.org/os/community/on/flag-days/pages/2009041801/
which points to PSARC 2009/204 and the case materials at
http://arc.opensolaris.org/caselog/PSARC/2009/204/20090330_matthew.ahrens
give the reason for the version number bump.   User quotas.




Bob
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