Never mind, found the answer. Yes, OS must be the same version (but not necessarily the same release or patchset) > -----Original Message----- > From: Adams, Matthew (GE Consumer & Industrial) > Sent: Wednesday, November 02, 2005 12:24 PM > To: 'oracle-l@xxxxxxxxxxxxx' > Subject: logical standby using different os > > The basic questions is: Does a dataguard logical standby have to be on the > same OS as the primary? > > Off hand I was thinking, yes is probably does. The standby has to be able to > read archive logs generated on the primary. Is the format of those logs > dependent upon the OS involved? I thought it was, therefore, I thought the > OS had to be the same (as well as the version of the DB). > > However, I had somebody tell me that they were sure that one reason oracle > created logical standbys was so that you could do this across different OSes. > > A somewhat preliminary search of the Dataguard concepts manual and Metalink > has not provided a definative answer either way. > > Thanks > Matt -- //www.freelists.org/webpage/oracle-l