FICON Planning, Implementation, Operation and Problem Determination Eğitimi

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2 Days ILT    

The class should consist of hardware planners, technical support personnel, system programmers, or anyone who needs a complete understanding of FICON.


This course teaches the students the fibre channel connection (FICON) channel and the System z High Performance FICON (zHPF) operating environment. Planning and implementation considerations will be discussed to go from Enterprise Systems Connections (ESCON) to FICON or to zHPF configurations. Topics covering all aspects of the various FICON features across the latest System z servers, including error recovery and problem determination. The course compares the operational protocols that is used with zHPF, FICON, ESCON, and even parallel channel. You will discuss topics such as how the FICON operating environment and configurations can be tied into the open systems operating environment, the reasons why a new FICON channel was introduced, and how it can replace or supplements the existing ESCON channels. New terminology is covered along with all the new enhancements that are now available with various FICON configurations in the mainframe environment. Valid and invalid FICON configurations are identified, including the new zHPF FICON architecture and persistent IU pacing for extended distances available on the System z10 servers. The zHPF architecture will be discussed in detail identifying the differences between transport mode and command mode channel operations. In addition other recent channel subsystems enhancements concerning FICON will be identified and discussed, such as, FICON channel-to-channel (CTC) capability, and FICON cascaded director support. Channel operation and performance between ESCON and FICON and zHPF will be compared and discussed. System z Linux Fiber Channel Protocol (FCP) channel planning and channel sharing implications within a storage area network (SAN) and hardware configuration definition (HCD)/ input/output configuration program (IOCP) coding requirements will be discussed. Student should learn and understand the security requirements of logical unit number (LUN) masking, zoning, FICON channel sharing and multipathing as they apply to Linux on the System z servers. The course describes FICON error recovery and path problems, what type of indications surface, potential trouble areas, and corrective action. Operator messages and indications on the z/OS console, Hardware Management Console (HMC) and Support Element (SE) will be shown. HMC and z/OS command usage will be identified to display current FICON channel and path status.


This course will address the following topics: FICON introduction FICON, fibre channel, and SAN Fibre channel evolution Fibre channel standard and architecture FICON I/O requests (packaging and operation) FICON distance and cabling Support FICON configuration design planning and migration (with cascaded switches and CTCs) FICON definition (IOCP/HCD) support System z10 high performance FICON (zHPF) System z (z10 and z9) channel subsystem enhancements and definition updates FICON (FC-SB-3, SB-4) error recovery System z FICON problem determination examples and operator indications System z FICON FCP HCD/IOCP channel addressing concepts and requirements FICON FCP channel and LUN access control concepts and requirements System z SCSI Load and Dump features FICON and ESCON performance overview and comparisons FICON channel path and port performance characteristics and recommendations FICON performance statistics Day 1 (00:30) Introduction and welcome (02:30) Unit 1: Introduction to FICON and SAN FICON introduction FICON, fibre channel, and SAN (01:30) Unit 2: Fibre channel architecture (supporting FICON SB-3 and SB-4 protocols) Fibre channel evolution Fibre channel standard and architecture (02:00) Unit 3: FICON operation and planning FICON I/O request (packaging and operation) FICON distance and cabling support Day 2 (00:45) Review (02:15) Unit 4: FICON definition and configuration design FICON configuration design planning and migration (with cascaded switches and CTCs) FICON definition (IOCP/HCD) support (02:30) Unit 5: System z high performance FICON (zHPF) and other CSS enhancements System z10 high performance FICON (zHPF) System z (z10 and z9) channel subsystem enhancements and definition updates Lab Day 3 (00:45) Review (02:00) Unit 6: FICON error recovery and problem determination FICON (FC-SB-3, SB-4) error recovery System z FICON problem determination examples and operator indications Lab (01:30) Unit 7: FICON FCP for Linux on System z planning and implementation System z FICON FCP IOCP/HCD channel addressing concepts and requirements FICON FCP channel and LUN access control concepts and requirements System z SCSI Load and Dump features (01:30) Unit 8: FICON performance characteristics FICON and ESCON performance overview and comparisons FICON channel path and port performance characteristics / recommendations FICON performance statistics


Define the FICON channel and the reason why FICON is necessary Identify the benefits of the FICON channel over other channel types Describe the FICON channel Identify FICON configurations Identify FICON Bridge configurations List current FICON implementation limits Introduce storage area network (SAN) concept Describe emerging relationship of FICON and SAN Describe the evolution of the fibre channel standard and the FC Single-Byte Command Set protocol used by FICON List the fibre channel layers FC-0 through FC-4, how they are used and the associated FC terminology Define non-cascaded and cascaded switch configurations and how they relate to ESCON Describe data framing, buffer credits, and classes of service for data delivery Identify characteristics unique to the fibre channel point-to-point and switched fabric topologies Compare and explain the major differences between parallel, ESCON, and FICON architecture for an CCW I/O operation Identify frame structure, addressing, and usage between ESCON and FICON Describe how the FICON adapter processes an I/O request Describe the two approaches for port addressing: z/Architecture definition approach (and why it is necessary) FCP HBA discovery approach Identify the supported cabling options for FICON LX and SX Define link loss budget State maximum unrepeated distances supported for FICON LX and SX configurations State maximum repeated supported distances for FICON LX and SX Determine the number of buffers required in extended distance solutions Identify basic architectural rules and how they are used when planning and designing I/O configurations Describe I/O concurrency between ESCON and FICON and how they apply when designing a configuration Define a FICON cascaded switch and FICON CTC configurations Define a high integrity fabric and why it is necessary for cascaded switch configurations Identify a planning approach when designing a FICON configuration Identify new keyword or entries added to IOCP/HCD to support new FICON channels and FICON configurations Use IOCP/HCD to define a FICON cascaded switch configuration Identify the servers, z/OS release levels and FICON Express features supporting System z high performance FICON Describe the differences between a channel I/O operation using zHPF (transport mode) and an channel I/O operation using FICON (command mode) Describe the use of the Interrogate function and why it is needed Identify FICON enhancements and other multiple logical channel subsystem (MLCSS) definition requirements for System z10 and z9 Describe the following CSS enhancements and how they apply to the System z9 and z10 servers: Multiple logical channel subsystems Multiple subchannel sets MIDAW facility FICON for extended distance (Persistent IU pacing) HSA considerations List the high-level hierarchical steps (link-level and device-level) used in the error recovery process Describe how the channel and control unit detects missing IUs and the recovery action Identify console messages and indicators of FICON path problems Identify and use operator commands and HMC/SE and FICON director panels for problem determination of FICON-related path problems Define FICON Fibre Channel Protocol Identify IOCP/HCD FCP coding and usage List the various mapping elements that are required for System z Linux FCP usage Identify the following components and how they apply in a System z FCP SAN environment Multipathing Channel sharing Zoning LUN masking Describe the difference between FCP LUN Access Control and NPIV and what System z servers support them Identify the optional SCSI Load and Dump feature on System z servers Identify and define ESCON/FICON channel paradigms Identify FICON FCV and FC benefits List and compare the various phases of an I/O operation between FICON, zHPF, and ESCON Describe the components of the FICON adapter and where they are reported in RMF Identify and discuss why certain performance recommendations are listed for FICON channel and CU adapters Identify performance comparisons of zHPF and FICON with FICON Express(2, 4, and 8) features as documented in FICON performance white papers




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