On Dec 14, 2012, at 3:17 PM, Howard Latham wrote: > Oracle 11g redhat linux. This gets sporadic mentions in forum. Process > seems to get stuck / fail when a truncate table I had some strange i/o events like this a few years ago and it turned out to be a failing SCSI controller. As soon as I moved to a new controller the problem disappeared never to be seen again where it had been hanging on almost a daily basis. I've seen them since on a shared SAN storage config, but rarely.-- //www.freelists.org/webpage/oracle-l