>It could also be reserved on the same system. But this would not block access from the same system, so START PENDING does not apply here. Of course, there can be contention by means of an ENQueue, but that would just block a task long before an I/O is even started.
Peter Hunkeler Senior IT Specialist, IBM zSeries Technical Sales Support, Switzerland ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html