I believe this is the definition of Oracle Failsafe. It sits on MSCS so is a windows only product. Bryan 512-751-5516 _____ From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Jared Still Sent: Thursday, October 13, 2005 2:38 PM To: mschmitt@xxxxxxxxxxxx Cc: oracle-l@xxxxxxxxxxxxx Subject: Re: Disk failover Hi Mike, Why would someone tell you that? If that were true, then failover systems would not work. Jared On 10/13/05, Mike Schmitt <mschmitt@xxxxxxxxxxxx> wrote: Hi All, Can someone please confirm for me the ability to unmount a set of disks on Server A, mount those same disks onto Server B (Same O/S, unique named disks), and bring up the database on server B. I know I have done this before, but I was just in a meeting where someone told me that you can't do this with Oracle, and that they tested it. This is with 9i by the way Thanks -- //www.freelists.org/webpage/oracle-l -- Jared Still Certifiable Oracle DBA and Part Time Perl Evangelist