Tag Archives: SYSPLEX

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

Dynamic Workload Management in IBM System z Mainframe Environment

Posted on 11 November 2014 by ismet

Summary Workload manager (WLM) employed in IBM System z environment is one of most sophisticated performance monitoring and control tool in IT industry. In this article, first WLM concepts and facilities has been summarized. After going over evolution from machine … Continue reading →

Posted in IBM zEnterprise Servers, IT Service Management | Tagged CHPID, compatibility mode, discretionary, execution velocity, goal mode, ICS, IPS, IRD, jes, LPAR, management, middleware, parmlib, performance index, response time, service level, sla, slm, SYSPLEX, wlm, workload | Leave a comment

zSecure Installation and Operation

Posted on 01 May 2013 by ismet

zSecure is a suite of security products to improve management of System z security environment. zSecure Admin and zSecure Visual components are the ones I installed and reconfigured recently. zSecure Admin lets security administrator perform more productive and zSecure Visual … Continue reading →

Posted in IBM zEnterprise Servers, IT Service Management | Tagged 3270, access, admin, apf, carla, gui, ispf, monitor, omvs, parmlib, pdf, racf, security, SMF, smpe, SYSPLEX, system z, TN3270, TSO, uss, visual, zOS, zsecure | Leave a comment

Shortening z/OS Recycling Time

Posted on 07 May 2012 by ismet

IBM System z server workloads are comprised of heterogeneous transaction types. DB2 queries, WAS (Websphere Application Server), Websphere MQ (Message Queueing oriented middleware), CICS TS, CTG (CICS Transaction Gateway), RDZ (Rational Developer for System z), IMS (Information Management System) transactions. … Continue reading →

Posted in IBM zEnterprise Servers | Tagged CANCEL, CICS, CONSOLE, CTG, db/2, DISPLAY, HALT, hsm, IBM, Infoprint, IPL, MPF, MQ, RDZ, rmm, server, set, SMF, sms, sna, START, STOP, SYSPLEX, tcp/ip, THREAD, TN3270, TSO, vtam, WAS, zOS | Leave a comment

Tag Archives: SYSPLEX

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

Dynamic Workload Management in IBM System z Mainframe Environment

zSecure Installation and Operation

Shortening z/OS Recycling Time

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