O'Reilly logo

IBM z/OS Version 2 Release 1 Technical Updates by Antonio Vilarins, Yu Uchida, Alvaro Salla, Gil Peleg, Nelson Oliveira, Diana Nakajima, Jaqueline Mourão, Lutz Kuehner, George Kozakos, Paul-Robert Hering, Karan Singh

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Global resource serialization
This chapter describes the global resource serialization (GRS) enhancements, functions, and features that were introduced with IBM z/OS Version 2 Release 1 (2.1).
In z/OS 2.1 you can change enqueues (ENQs) from exclusive to share through a macro ISGENQ REQUEST=CHANGE,CONTROL=EXCLUSIVE parameter. The version also adds the support of a Fibre Channel Connection (FICON) channel-to-channel global resource serialization (GRS) Ring mode, which permits GRS-managed channel-to-channel (CTC) connections on an IBM zEnterprise ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required