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Contents
1 Overview of mainframe operations...............................................................5
Mainframe compatibility and functionality...................................................................................5
Connectivity.............................................................................................................................5
Program products for mainframe.................................................................................................6
2 FICON/zHPF host attachment......................................................................9
FICON/zHPF for zSeries hosts...................................................................................................9
Attaching FICON/zHPF CHAs ..................................................................................................9
FICON/zHPF physical specifications......................................................................................9
FICON/zHPF logical specifications......................................................................................10
FICON/zHPF operating environment....................................................................................10
FICON and FICON/zHPF protocol sequence........................................................................11
Hardware specifications......................................................................................................12
FICON CHAs....................................................................................................................12
Logical paths.....................................................................................................................12
Supported topologies.........................................................................................................14
Point-to-point topology...................................................................................................14
Switched point-to-point topology......................................................................................15
Cascaded FICON topology............................................................................................16
Required high-integrity features.......................................................................................17
Physical host connection specifications..................................................................................18
Logical host connection specifications...................................................................................18
Enabling for Compatible High Perf FICON connectivity software (zHPF) operations.........................19
Activating the zHPF program product...................................................................................19
Enabling the zHPF function..................................................................................................19
Installing zHPF in a switch cascading configuration................................................................19
Uninstalling the FICON/zHPF program product.....................................................................20
3 Mainframe operations...............................................................................21
Mainframe configuration.........................................................................................................21
Storage subsystem IDs .......................................................................................................21
Mainframe hardware definition................................................................................................21
Hardware definition using IOCP (MVS, VM, or VSE)..............................................................21
Hardware definition using HCD (MVS/ESA)..........................................................................22
Defining the storage system to TPF........................................................................................28
Defining the storage system to mainframe Linux......................................................................28
Mainframe operations.............................................................................................................28
Initializing the LVIs.............................................................................................................28
Device operations: ICKDSF..................................................................................................29
z/OS (MVS) Cache operations............................................................................................30
zVM (VM/ESA) Cache operations........................................................................................32
zVSE (VSE/ESA) Cache operations......................................................................................32
4 Linux operations.......................................................................................33
Overview of zLinux operations..................................................................................................33
Running Linux on S/390 or zSeries hosts ..................................................................................33
Attaching FCP adapters to zSeries hosts running Linux ................................................................33
FCP support .....................................................................................................................34
Accessing storage units using FCP protocol from a zSeries host ...............................................34
Contents
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