Check out the databases' alert logs, if there were scsi errors chances are you lost access to datafiles or controlfiles at some point and that will be logged there. Other than that, what more evidence do they need? they are working on the storage, you get SCSI errors and the CRS reboots the node. This is clearly a node loosing access to the Voting disks or OCR hth Alan.- -- //www.freelists.org/webpage/oracle-l