Viewing Path Information .............................................................................................. 34
Physical Host Connection Specifications ................................................................................ 35
Logical Host Connection Specifications .................................................................................. 36
3 z/OS Operations ............................................................................ 39
Data Management Functions ...................................................................................................... 39
Mainframe Configuration ........................................................................................................... 40
Subsystem IDs (SSIDs) ......................................................................................................... 41
Mainframe Hardware Definition ................................................................................................. 41
Hardware Definition Using IOCP (MVS, VM, or VSE) .............................................................. 41
Defining the Storage System to VM/ESA Systems .................................................................... 52
Defining the Storage System to TPF ....................................................................................... 52
Defining the Storage System to Mainframe Linux ..................................................................... 53
Mainframe Operations .............................................................................................................. 53
Initializing the LVIs .............................................................................................................. 53
Device Operations: ICKDSF ................................................................................................. 53
z/OS (MVS) Cache Operations ........................................................................................... 55
zVM (VM/ESA) Cache Operations ....................................................................................... 57
zVSE (VSE/ESA) Cache Operations ...................................................................................... 57
Open-Systems Configuration ...................................................................................................... 57
Virtual LVI/LUN Devices ...................................................................................................... 59
LUN Expansion (LUSE) Devices ............................................................................................. 59
Control Panel ........................................................................................................................... 59
Emergency Power-Off (EPO) ................................................................................................. 62
4 Linux Operations .............................................................................. 63
Running Linux on S/390 or zSeries hosts .................................................................................... 63
Attaching Fibre Channel adapters to zSeries hosts running Linux .................................................... 64
Linux for S/390 (31-bit) ..................................................................................................... 64
Linux for zSeries (64-bit) .............................................................................................. 64
FCP support ............................................................................................................... 64
Accessing storage units using Fibre Channel Protocol from a zSeries host ................................. 64
Setting up storage units for zSeries hosts running Linux ............................................................ 64
Setting up a Linux system to use Fibre Channel Protocol devices on zSeries hosts ........................ 66
Adding additional permanent devices for zSeries hosts running Linux ........................................ 66
FICON and ESCON migration overview .............................................................................. 67
Migrating from ESCON to native FICON .............................................................................. 67
Native ESCON configuration ....................................................................................... 67
ESCON to FICON migration example for a zSeries or S/390 host .................................... 68
FICON configuration example for a zSeries or S/390 host ............................................... 70
Migrating from a FICON bridge to a native FICON attachment ..................................................... 71
FICON bridge overview ..................................................................................................... 71
FICON bridge configuration ........................................................................................ 71
FICON and FICON channel mixed configuration ............................................................ 71
Native FICON configuration on a zSeries or S/390 host ................................................. 72
Registered state-change notifications (RSCNs) on zSeries hosts .......................................... 73
5 Troubleshooting ............................................................................... 75
Troubleshooting ........................................................................................................................ 75
Service Information Messages (SIMs) ........................................................................................... 76
Glossary ............................................................................................ 79
4

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