Regarding RAC on Linux RHAS 3.0, are any of you running with asynch = enabled at the OS and db level or runing with an IO slaves implementation? Have = you any experience positive or negative in regards to either method on Linux....is asynch io stable...do Io salves perorm as well as on other = OS's. Also, in terms of RAC and IO slaves.... I know one can only run with one arc proces in RAC..do IO slaves pose = any conerns there? David -- //www.freelists.org/webpage/oracle-l