>> Neither OCFS nor OCFS2 support asynchronous I/O. >> They both allow only direct I/O. By attempting >> to use asynchronous I/O, you may crash your >> system or your database. >> That is well documented on the OCFS site. Do you happen to have the link? I can't find this statement on http://oss.oracle.com/projects/ocfs2. Not via google, not by browsing the docs directly. ...Oracle does use Linux libaio on OCFS. Someone was mistaken. Now, just because I said that doesn't mean it works well or holds up.... http://kevinclosson.wordpress.com/2006/12/28/the-dread-factor-multi-vend or-support-unbreakable-linux/ -- //www.freelists.org/webpage/oracle-l