53-1003517-04 09 February 2016 Brocade Fabric OS FICON Administrator's Guide Supporting Fabric OS v7.4.0, Fabric OS 7.4.1 © 2016, Brocade Communications Systems, Inc. All Rights Reserved. Brocade, Brocade Assurance, the B-wing symbol, ClearLink, DCX, Fabric OS, HyperEdge, ICX, MLX, MyBrocade, OpenScript, VCS, VDX, Vplane, and Vyatta are registered trademarks, and Fabric Vision is a trademark of Brocade Communications Systems, Inc., in the United States and/or in other countries. Other brands, products, or service names mentioned may be trademarks of others. Notice: This document is for informational purposes only and does not set forth any warranty, expressed or implied, concerning any equipment, equipment feature, or service offered or to be offered by Brocade. Brocade reserves the right to make changes to this document at any time, without notice, and assumes no responsibility for its use. This informational document describes features that may not be currently available. 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Contents Preface.....................................................................................................................................7 Document conventions......................................................................................7 Text formatting conventions.................................................................. 7 Command syntax conventions.............................................................. 7 Notes, cautions, and warnings.............................................................. 8 Brocade resources............................................................................................ 9 Contacting Brocade Technical Support.............................................................9 Document feedback........................................................................................ 10 About This Document..............................................................................................................11 Supported hardware and software.................................................................. 11 Additional FICON resources........................................................................... 11 What's new in this document...........................................................................11 Introducing FICON...................................................................................................................13 FICON overview..............................................................................................13 Fabric OS support for FICON..............................................................13 Latency guideline................................................................................ 14 FICON concepts..............................................................................................15 FICON configurations......................................................................................16 Switched point-to-point........................................................................17 Cascaded FICON................................................................................17 Access control in FICON.................................................................................25 Cascaded zoning................................................................................ 26 Error reporting..................................................................................... 27 Secure access control.........................................................................28 FICON commands.......................................................................................... 29 Link and FC addressing.................................................................................. 32 Domain ID........................................................................................... 33 Port area............................................................................................. 33 ALPA................................................................................................... 33 Administering FICON Fabrics...................................................................................................35 User security considerations........................................................................... 35 Meeting high-integrity fabric requirements...................................................... 35 Enabling the insistent domain ID.........................................................36 Creating and activating the SCC policy...............................................36 Enabling the fabric-wide consistency policy........................................37 Enabling High-Integrity Fabric mode...................................................37 Using other security commands..........................................................38 Preparing a switch for FICON......................................................................... 38 Cascaded FICON and two-byte addressing considerations............... 39 Configuring switched point-to-point FICON.....................................................39 Configuring cascaded FICON......................................................................... 43 FICON and FICON CUP in Virtual Fabrics..................................................... 44 Addressing modes.......................................................................................... 46 Mode 1 (zero-based addressing)........................................................ 46 Brocade Fabric OS FICON Administrator's Guide 3 53-1003517-04 FICON and blade support for addressing modes............................. 46 Port swap limitations......................................................................... 47 Disabling and enabling ports - persistent states........................................... 47 Clearing the FICON management database.................................................48 Automating CS_CTL mapping...................................................................... 48 FICON best practices....................................................................................49 Latency guideline.......................................................................................... 51 Configuring FICON CUP.........................................................................................................53 Control Unit Port overview............................................................................ 53 FICON CUP restrictions....................................................................54 CUP configuration recommendations............................................... 55 FICON CUP zoning and PDCM considerations................................56 Port and switch naming standards for FMS mode........................................ 56 FICON CUP Fabric OS commands...................................................56 Configuring FICON CUP...............................................................................57 Disabling ports 0xFE and 0xFF.........................................................57 Configuring FICON CUP in Virtual Fabrics....................................... 58 Determining physical port assignment ......................................................... 58 FMS mode and FICON CUP.........................................................................58 Fabric OS command limitations and considerations.........................59 Displaying FMS mode.......................................................................60 Enabling FMS mode..........................................................................60 Disabling FMS mode.........................................................................60 FMS mode and FICON 0xFE or 0xFF ports......................................60 Upgrade considerations.................................................................... 60 Port swap limitations......................................................................... 61 Mode register bit settings..............................................................................62 FICON file access facility.................................................................. 62 Considerations for setting mode register bits....................................64 Setting the mode register bits........................................................... 64 Setting the MIHPTO value............................................................................ 65 Persistently enabling and disabling ports for CUP........................................65 Administering FICON Extension Services................................................................................67