We had been using the linux bonding agent for the interconnects (two nic's) to avoid the single point of failure. Although it appears that the bonding agent was causing node lockups. Just something to put out... kevin -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Yechiel Adar Sent: Tuesday, November 22, 2005 9:11 AM Cc: oracle-l@xxxxxxxxxxxxx Subject: Re: Dell-Oracle-Linux: Anyone else run this...because its not working for us! We had a two servers rac that went down. The tar result was: Use switch for interconnet and do not use cross-over network cable. Adar Yechiel Rechovot, Israel Mark Brinsmead wrote: > I've never experience this myself, but I do know that running a > two-node cluster with ethernet cross-over cables for the interconnect > network can cause the entire cluster to fail when one node crashes. > You must use a hub/switch for the interconnect networks (in production > anyway). And of course, to avoid single-points-of-failure, you should > use a separate switch for each network. > > -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l