On Wednesday, 03/29/2006 at 09:31 ZE2, Grega Bremec <[EMAIL PROTECTED]> wrote: > We've just upgraded from z/VM 4.4 to z/VM 5.2 and I am wondering if it > was safe to use QIOASSIST with OSA and HiperSocket devices with 5.2 > already. We had some nasty issues with JDBC connection pools from WAS to > DB2 - the kernel did not seem to be cleaning them up properly under 4.4, > which caused the TCP session to appear to be alive to both sides, when > infact it was not so any more.
QIOASSIST has nothing to do with application or subsystem logic. Rather, it allows a guest using dedicated subchannels on real OSD (OSA QDIO), FCP, or IQD (HiperSocket) chpids to stay in SIE, providing a performance boost. (If your machine has QIOASSIST microcode on it.) Alan Altmark z/VM Development IBM Endicott ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
