It should work fine - we have clusters here that are like that. As long as the architecture and OS match, the only difference you'll see is any performance differences between the two processors. Thanks, Matt > -----Original Message----- > From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] > On Behalf Of Crisler, Jon > Sent: Thursday, July 23, 2009 4:54 PM > To: oracle-l > Subject: RAC - mix Intel and AMD in same cluster ? > > Has anybody here built or upgraded a 10g RAC cluster using a mix of both > Intel and AMD processors ? We have an existing 3 node RAC cluster, RH > Linux 4 with AMD Opteron 3 ghz dual core cpu's. It is being considered > to add a 4th node but with Intel CPU since the servers we used ( HP DL > 585 G2 ) are no longer available new. Any thoughts in mixing Intel and > AMD processors in the same cluster ? We are also looking at upgrading > the existing processors from dual-core to quad-core, but the quads seem > to max out at 2.4 ghz while the duals go to at least 3.2 ghz. Obviously > OS and Oracle will stay same version, but we might be forced to use > Intel to add additional nodes, assuming it even works. > -- > //www.freelists.org/webpage/oracle-l > -- //www.freelists.org/webpage/oracle-l