On Mon, 17 Dec 2007 11:16:00 -0600, Aaron Walker wrote: >http://www.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/FLASH10609 > >Abstract: z/OS 1.9 introduced new support to improve z/OS availability. >The support, called blocked workload support, is intended to allow >small amounts of CPU to be allocated to workloads which are CPU >starved. This support will be rolled back to both z/OS 1.8 and z/OS 1.7. >This document describes this new support and discusses the processor >capacity which will be potentially allocated to the function. Also this >flash will discuss new recommendations which are being made which >will change the recommended default settings for this function for all >applicable releases. Aaron, thanks! In our often CPU-starved environment we have occasionally (i.e., too often) seen issues with PDSE lockouts that can cascade into very unfortunate near outages. The APARs referenced appear to be a fit for our issues. (Time will tell, of course.) The APARs have been rolled back to z/OS 1.8 at least. -- Tom Schmidt
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