Brocade FICON Administrator’s Guide (Supporting Fabric OS Bedienungsanleitung

53-1003144-0127 June 2014FICONAdministrator's GuideSupporting Fabric OS v7.3.0

• OEM/Solution Providers are trained and certified by Brocade to support Brocade® products.• Brocade provides backline support for issues that cannot

• Verify the FICON CUP license is installed.• Check the state of the CUP by running the ficonCupShow fmsmode command. If it is disabled,enter the fico

Platforms Supporting FICON● Introduction...

Supported platforms with end-of-support announcements (Continued)TABLE 10 Brocade4900Fabric OSBrocade5000Fabric OSBrocade6140Fabric OSBrocadei10KFab

Currently supported platforms (Continued)TABLE 11 Brocade7800, 7840Fabric OSBrocade5300Fabric OSBrocadeDCX-4SFabric OSBrocadeDCXFabric OSBrocadeDCX

Unsupported bladesThe following port blades are not supported in a FICON environment:• FCOE10-24• FS8-18• FC4-48• FC8-32E• FC8-48EUnsupported blades10

Basic Switch ConfigurationThis appendix provides basic steps and commands to quickly configure a switch for fabric and possibleFICON and cascaded FICO

Switch configuration example and commands (Continued)TABLE 13 Feature Relevant CommandsRepeat the following procedure to configure switch parameters

Switch configuration example and commands (Continued)TABLE 13 Feature Relevant CommandsIf you are enabling FMS (CUP), disable all ports assigned add

Switch configuration example and commands (Continued)TABLE 13 Feature Relevant CommandsSet port fencing. Setting port fencing parameters is much eas

Address Binding Examples● Sequential address binding...107● Po

About This Document● Supported hardware and software... 9● Additional

Example scripts for binding portsThe following example scripts containing the portAddress --bind command bind all ports on the DCXBackbone to sequenti

# Slot 3portaddress --bind 3/0 4000portaddress --bind 3/1 4100portaddress --bind 3/2 4200portaddress --bind 3/3 4300portaddress --bind 3/4 4400portadd

portaddress --bind 9/11 8B00portaddress --bind 9/12 8C00portaddress --bind 9/13 8D00portaddress --bind 9/14 8E00portaddress --bind 9/15 8F00portaddres

portaddress --bind 11/23 D700portaddress --bind 11/24 D800portaddress --bind 11/25 D900portaddress --bind 11/26 DA00portaddress --bind 11/27 DB00porta

Port-based address bindingThis section provides an example that will allow all ports on all blades installed in a Brocade DCXBackbone to use port-base

portaddress --bind 1/11 0B00portaddress --bind 1/12 0C00portaddress --bind 1/13 0D00portaddress --bind 1/14 0E00portaddress --bind 1/15 0F00portaddres

portaddress --bind 3/23 A700portaddress --bind 3/24 A800portaddress --bind 3/25 A900portaddress --bind 3/26 AA00portaddress --bind 3/27 AB00portaddres

portaddress --bind 10/2 5200portaddress --bind 10/3 5300portaddress --bind 10/4 5400portaddress --bind 10/5 5500portaddress --bind 10/6 5600portaddres

portaddress --bind 12/14 7E00portaddress --bind 12/15 7F00portaddress --bind 12/16 F000portaddress --bind 12/17 F100portaddress --bind 12/18 F200porta

Configuration Information RecordYou can use the following worksheet for recording FICON configuration information.NOTEAttached E_Ports can be for an I

• Added notes wherever configupload command mentioned that it backs up Fabric OS feature andswitch configuration, but not FMS and FICON-specific confi

Configuration Information Record118 FICON Administrator's Guide53-1003144-01

EBCDIC Code PageExtended Binary Coded Decimal Interchange Code (EBCDIC) is an 8-bit character encoding (codepage) used on IBM mainframe operating syst

EBCDIC Code Page120 FICON Administrator's Guide53-1003144-01

Index256-area addressing mode 44Aaddressinglink and FC 30modes 44address modechanging 45FICON and blade support 46automating CS_CTL mapping 47Bbest pr

FICON supportblades 101blades not supported 102platforms 100firmware management 77firmware upload and download 78FMS modedisabling 58displaying 58enab

SSCC policycreating and activating 34deleting 36security policy, create 41security-related commands 36session-based zoning enforcement 23, 79single-sw

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Introducing FICON● FICON overview...11● FIC

Disables the dynamic domain ID feature and only allows the switch to use a pre-set domain ID. Allswitches in a fabric must have a unique domain ID. An

FICON conceptsThe following figure shows how the traffic in a switched point-to-point configuration flows in a FICONenvironment. The logical path of t

A unit of FICON data consisting of from one to four Fibre Channel frames.• Link Incident Record Registration (LIRR)The LIRR Extended Link Service (ELS

Switched point-to-pointA single-switch configuration is called switched point-to-point allows the channel to use single-byteaddressing.FIGURE 2 Switch

switches and backbones is also supported. An example of this would be a Brocade DCX 8510-8Backbone connected to a Brocade 6510.A cascaded configuratio

resulting fabric scenario after ISL failures must not result in an unsupported configuration. Whenphysical cabling is not practical to enforce these c

© 2014, Brocade Communications Systems, Inc. All Rights Reserved.Brocade, the B-wing symbol, Brocade Assurance, ADX, AnyIO, DCX, Fabric OS, FastIron,

The following figure illustrates a multi-hop ICL triangle configuration that uses ICLs. Note that threeswitches are connected through ICLs only.FIGURE

The following figure illustrates a multi-hop configuration that uses ICLs and ISLs. This configuration issupported with or without switches 4 or 1. Al

supported with or without switches 4 or 1. All switches must be Gen 4 or Gen 5. You cannot mix Gen 4and Gen 5 switches with ICLs.FIGURE 8 Multi-hop wi

The following figure illustrates a configuration that uses FCIP between 7800 switches that are used asrouters only, for ISL extension. Channel or cont

permitted. The 7800 switches at site 2 are only for network, channel, and control unit connections. The7800 switches on either site may be replaced wi

the 7800 switches. The 7800 switches at either site may be replaced with the FX8-24 blades installed indirectors.FIGURE 11 Cascaded configuration usin

devices to changes in the fabric. Using multiple smaller zones instead of one large zone helpsalleviate the need for channels and device interfaces to

NOTEZoning does not replace the need to set up the connectivity from the host to storage control units in theHCD or Input/Output Configuration Program

Error reportingNon-implicit link incidents (such as Fabric OS recognized or bit error rate threshold exceeded) andimplicit link incidents (such as FRU

The figure below demonstrates the three types of binding you can use depending on the securityrequirements of your fabric.FIGURE 14 Types of binding f

ContentsPreface...5D

FICON commandsNOTEThe Fabric OS CLI supports only a subset of the Brocade management features for FICON fabrics.The full set of FICON CUP administrati

Fabric OS commands related to FICON (Continued)TABLE 1 Command DescriptionportSwap Swaps ports. Note that the portswap --restorecommand restores swa

Fabric OS commands related to FICON (Continued)TABLE 1 Command DescriptionficonCupShow diag_infoDisplays the diagnostic interval setting and related

The following figure represents components of link and FC addresses that are explained in this section.FIGURE 15 Link and FC address componentsDomain

ALPA32 FICON Administrator's Guide53-1003144-01

Administering FICON Fabrics● User security considerations... 3

NOTEYou enable the fabric-wide consistency policy on the fabric once the switch joins the fabric.NOTEIf FMS mode is enabled before upgrading to v7.3.0

• Enter the secpolicycreate command to add all switches in the fabric, if they are connected.secpolicycreate "SCC_POLICY","*"• Ent

Using other security commandsThe following commands are some other security-related commands that you might find useful.Disabling the fabric-wide cons

Cascaded FICON and two-byte addressing considerationsThe following are considerations when installing a switch in a FICON environment where two-bytead

Mode 0 (10-bit addressing)... 44Mode 1 (zero-based addressing)...

NOTEIf Lossless DLS is not enabled, the routing policy must be port-based routing (aptPolicy 1).6. Set In-Order Delivery using the iodSet command.7. C

FICON switch parameters (Continued)TABLE 2 Parameter Response CommentSuppress Class Ftraffic0 Do not change. By default, the switch can send Class F

FICON switch parameters (Continued)TABLE 2 Parameter Response CommentRSCNtransmission modeNo Configures end-device RSCN Transmission Mode values suc

13. Configure the fill word for all 8 Gbps ports using the portCfgFillWord command. The followingexample shows the command with recommended mode 3 and

CAUTIONConfiguring the switch for FICON is a disruptive process. The switch must be disabled toconfigure switch parameters. This procedure must be fol

3. Add the front domain WWN to the SCC Policy lists in the edge switches to be merged.4. Connect the switches.FICON and FICON CUP in Virtual FabricsFo

An extended interswitch link (XISL) is an interswitch link (ISL) that connects the logical switch to abase switch and carries traffic for multiple log

• The default switch is being used for FICON and no 48 or 64 port blades are installed in the chassis.The default switch address mode 0 will be 8-bit

NOTETo access all parameters controlled by the configure command, you must disable the switch. Anyconfiguration change to a logical switch that requir

The following tables compare the achievement of port persistent enable and disable states withinteractions between the ASM Mode setting, IPL state. an

Options for displaying statistics...75Maintaining and Troubleshooting FICON...

frame header. High, medium, and low priority frames are allocated to different virtual channels (VCs).High priority frames receive more VCs than mediu

NOTEThe configureChassis command does not provide options to enable the CS_CTL QoS mode onindividual ports in the chassis. Once you set the mode on th

‐ C3 Discard Frames - 2 per minute‐ Invalid Words - 25 per minute‐ Invalid CRCs - 3 per minute‐ Link Reset - 2 per minute‐ Protocol Error - 2 per minu

Configuring FICON CUP● Control Unit Port overview... 51● Po

FICON Management Server mode (FMS mode) must be enabled on the switch to enable CUPmanagement features. For more information, refer to FMS mode and FI

ATTENTIONOnce FMS mode is enabled, you cannot bind addresses 0xFE or 0xFF to any ports using either theportAddress or wwnAddress commands.• The switch

FICON CUP zoning and PDCM considerationsThe FICON PDCMs control whether or not communication between a pair of ports in the switch isprohibited or all

Configuring FICON CUPTo set up FICON CUP, use the following procedure.1. Connect to the switch and log in using an account assigned to the admin role.

On a Brocade DCX and DCX-4S Backbones, when Virtual Fabrics is not enabled or addressing Mode1 is not used, you must disable physical ports associated

• Access to switch configuration parameters is serialized.• The active CUP configuration data, including the following, is initialized according to th

EBCDIC Code Page... 119Index...

Displaying FMS modeUse the ficonCupShow fmsmode command to display the enabled or disabled state of FMS modefor the switch.Enabling FMS modeBefore ena

• You must manually disable ports associated with 0xFE and 0xFF using the portDisable commandbefore you can enable FMS mode, but only if there is an a

FICON CUP license. The Mode Register is accessible via Web Tools and the Fabric OScommands.‐ In-band Management is enabled, provided you do not disabl

FICON CUP mode register bits (Continued)TABLE 7 DCAMSwitch clock alert mode. When this bit is set on, a warning is issued when the date, tsClockServ

The IPL is not replaced because Active=Saved mode is enabled. A warning message is displayed inthe event log to warn users that the IPL will not be ov

* *------------------------------------------------------------------ Consider

Persistently enabling and disabling ports for CUPWhen FMS mode is enabled, you cannot use the portCfgPersistentEnable andportCfgPersistentDisable comm

Administering FICON Extension Services● Platforms supporting FICON extension over IP... 65●

‐ Capacity 1‐ Consumed 1‐ Configured Blade Slots 1This is a slot-based license for extension switches and blades.• Advanced Extension (FTR_AE)Required

primary volume to be located at a distance from its mirrored secondary without encounteringperformance degradation associated with IU pacing.FIGURE 17

Preface● Document conventions...5● Brocade resource

Tape Write PipeliningFICON Tape Write Pipelining improves performance for a variety of applications when writing to tapeover extended distances. FICON

pipeline and requests more data from the tape. If an exception status is received from the device, thereading of data and emulation is terminated.FIGU

• Optimized performance for FICON printers over distance when printers are extended through anFCIP tunnel with FICON emulation.• Intermediate ending s

• FICON networks with FCIP emulating and non-emulating tunnels do not support Dynamic PathSelection (aptpolicy 3) configurations.• When running FICON

Configuring FICON emulationBefore you configure FICON emulation, you need to understand the available options, and whetherthose options are to be impl

• To create a empty tunnel as a FICON FCIP tunnel, use the following command:portcfg fciptunnel 1/17 create -F -c 1• To modify a tunnel to be FICON en

FICON emulation monitoringUse the -emul option for the portShow xtun command to display FICON emulation statistics. Thesyntax for this command is port

|0x041011C500|116301640106040A|H| 0x00| N/A|0000|0000| 34516| 0| 0| 262878|32760||0x04100A9700|116301640106040B|H| 0x3C|0x12|006C|00

FICON emulation statistics commands (Continued)TABLE 8 Command Output displayportshow xtun ve_port -ficon -tapeperfFICON tape pipelining performance

Maintaining and Troubleshooting FICON● Firmware management in a FICON environment... 77● Confi

Convention Descriptionvalue In Fibre Channel products, a fixed value provided as input to a commandoption is printed in plain text, for example, --sho

• During the firmware download process, a failover to the backup processor occurs. Anyoutstanding CUP commands are lost which results in a timeout. To

Backup and restore in a FICON CUP environment TABLE 9 ASM bit Command Descriptionon or offconfigUploadAll the files saved in the fileaccess facility

Fabric OS v6.2.0 or later is required for TI Zoning in a FICON fabric. For more information on TIZoning, refer to the Fabric OS Administrator's G

Triangular topologyThe triangular topology shown in the figure below is a common FICON deployment for managing datacenter recovery functions. In this

The figure below shows that the setup allows a source device to reach two separate destinations overexclusive, one-hop paths, while preventing the sou

System Data Mover topologyThe figure below shows a cascaded topology which can be used to support an operations recovery site.In this environment, hos

goes down. Supporting these two functions requires the ability to define overlapping zones that isolatethe tape traffic from the DASD traffic and allo

Emulation topologyFICON device emulation topologies have unique requirements due to the characteristics of theemulation devices. Each device must trac

connections that make emulation isolation difficult. By using Enhanced TI Zoning to support devicemembership in multiple zones, these types of emulati

Monitoring and Alerting Policy SuiteThe Monitoring and Alerting Policy Suite (MAPS) is an optional storage area network (SAN) healthmonitor supported

Brocade resourcesVisit the Brocade website to locate related documentation for your product and additional Brocaderesources.You can download additiona

Settings for FICON environmentsFor typical FICON environments, port fencing is usually only set for CRC errors and Invalid Words.The default of 1,000

Registered listenersTo display registered listeners for link incidents, connect to the switch, log in as user, and enter one ofthe following commands:

*IRD000E 1065,002032-001 LEVEL=1 FRU(S)=SLOT8 IOS000I 1065,AB,EQC,**,8200,,,*MASTER*, 286

Swapping port area IDsIf a port malfunctions, or if you want to connect to different devices without having to rewire yourinfrastructure, you can move

• Undetermined board types cannot be swapped. For example, a blade swap will fail if the bladetype cannot be identified.• Blade swapping is not suppor

Symptom Probable cause and recommended actionPackets are being dropped between two FICON units. Distance between devices is impacting data.When planni

Symptom Probable cause and recommended actionChannel path with two-byte addressing does not comeonline.The fabric may not be configured properly, cabl

Symptom Probable cause and recommended actionSWITCH DEVICE NUMBER = NONEATTACHED ND = NOT KNOWNPHYSICAL CHANNEL ID = 01F0************************ SYMB

you get confirmation that the configuration has been updated, ouput from the following will becollected and display for the supportShow command:‐ fico

Cascaded topology checklistVerify the following in your FICON environment to ensure proper functionality of the feature:• Fabric OS v6.1.0 or later is