diffb702644a Tue Jul 19 23:24:06 UTC 2016 Tim Chase <tim@chase2k.com> 7164 zdb should be able to open the root dataset Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Approved by: Robert Mustacchi <rm@joyent.com>