Tag Archives: FICON

Global Resource Serialization for zOS – To Serialize or Not To Serialize

Posted on 08 December 2016 by ismet

Summary This Article summarizes concepts of GRS in IBM zOS mainframe systems explaining how data sharing is performed in a multi-system environment. It also illustrates design specifications of related products. Finally operational aspects for different topologies are described. Introduction As … Continue reading →

Posted in IBM zEnterprise Servers | Tagged access, adapter, associates, authority, availability, base, CA, CF, channel, cluster, complex, computer, coupling, CTCA, DASD, DASDONLY, deadlock, DEQ, dequeue, ENQ, enqueue, exclusive, facility, FICON, global, GRS, IBM, image, job, mainframe, member, message, MIM, MIMPLEX, multi, multiprocessing, multitasking, multiuser, parallel, process, program, qname, queue, release, reserve, resource, ring, rname, RNL, RSA, serialization, serialize, shared, single, star, structure, SYSPLEX, system, system z, task, topology, transaction, unit of work, user, z series, z system, zOS, zSeries | Leave a comment

Increasing Number of CHPIDs (Channel Path Identifiers) for LCUs (Logical Control Units)

Posted on 30 January 2013 by ismet

The channel subsystem (CSS) and the IBM z/OS operating system need to know what hardware resources are available in the computer system and how these resources are connected. This information is called hardware configuration. Hardware Configuration Definition (HCD) provides an … Continue reading →

Posted in IBM zEnterprise Servers | Tagged channel, CHPID, CONFIG, configuration, control, CPC, css, CU, FICON, hardware, hcd, hcm, IOCDS, LCU, subsystem, unit, zOS | Leave a comment

Tag Archives: FICON

Global Resource Serialization for zOS – To Serialize or Not To Serialize

Increasing Number of CHPIDs (Channel Path Identifiers) for LCUs (Logical Control Units)

Recent Posts

Categories

Links

Meta

Ismet Yaksi

Ismet Yaksi (in Turkish)