Gopal, Do u need exactly 4-N ? We have 2N, 3N, 6N RACs. Thanks, Ravi. -----Original Message----- From: racdba-bounce@xxxxxxxxxxxxx [mailto:racdba-bounce@xxxxxxxxxxxxx] On Behalf Of Hameed, Amir Sent: Wednesday, May 17, 2006 7:19 AM To: racdba@xxxxxxxxxxxxx Subject: RAC Re: 4 Node RAC Gopal, Just curious to know what a "User" instance is? Is this the instance that is not 1) owner 2) master 3)requester ? Thanks Amir -----Original Message----- From: racdba-bounce@xxxxxxxxxxxxx [mailto:racdba-bounce@xxxxxxxxxxxxx] On Behalf Of K Gopalakrishnan Sent: Wednesday, May 17, 2006 3:13 AM To: racdba@xxxxxxxxxxxxx Subject: RAC 4 Node RAC Guys, Just wanted to check whether any one of you running 4 node RAC clusters? I am just looking for a 4 node RAC to simulate the cache fusion demo with owner, master, requestor, user instances for my book. Please contact me offline. Thanks Gopal