I&#x27;ve not followed closely but got any references for that (&quot;the more advanced filesystem&quot;)?
From what I can see Oracle&#x27;s ZFS still has some features that OpenZFS lacks (on disk encryption support being one of the most obvious) and there&#x27;s been lots of development in the last few years.
<a href="https:&#x2F;&#x2F;blogs.oracle.com&#x2F;zfs&#x2F;entry&#x2F;welcome_to_oracle_solaris_11" rel="nofollow">https:&#x2F;&#x2F;blogs.oracle.com&#x2F;zfs&#x2F;entry&#x2F;welcome_to_oracle_solaris...</a><p>Disclaimer: I work for Oracle on Solaris (but not ZFS).