HP Brocade 8/12c FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010)
HP Brocade 8/12c Manual
View all HP Brocade 8/12c manuals
Add to My Manuals
Save this manual to your list of manuals |
HP Brocade 8/12c manual content summary:
- HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 1
53-1001771-01 ® 30 March 2010 FICON Administrator's Guide Supporting Fabric OS v6.4.0 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 2
Networks, set forth any warranty, expressed or implied, concerning any equipment, equipment feature, or service this book or the computer programs that accompany /support Guide FICON Administrator's Guide Publication number 53-1001348-01 53-1001771-01 Summary of changes Date New document Updated - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 3
1 Fabric OS support for FICON 1 Platforms supporting FICON 2 Latency guideline 3 Packet loss guideline 3 Storage application guideline 3 FICON concepts 4 FICON configurations 6 Switched point-to-point 6 Cascaded FICON 7 Access Control in FICON 8 Cascaded Zoning 8 Error reporting 11 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 4
bits 34 Setting the MIHPTO value 35 Persistently enabling and disabling ports for CUP 35 Administering FICON Extension Services In this chapter 37 FICON emulation overview 37 XRC emulation 38 Tape Pipelining 38 Platforms supporting FICON extension over IP 40 FCIP configuration requirements - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 5
emulation monitoring 46 Maintaining and Troubleshooting FICON In this chapter 49 Firmware management in a FICON environment 49 Upgrade/Downgrade Considerations 49 Firmware upgrade disruption 50 Non-Disruptive firmware upload and download 50 Configuration restoration in a FICON environment 50 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 6
Appendix A Appendix B Index Configuration Information Record EBCDIC Code Page vi FICON Administrator's Guide 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 7
and how to set them up in a FICON environment. • Chapter 5, "Maintaining and Troubleshooting FICON" discusses maintaining your switch in a FICON environment, provides symptoms, troubleshooting tips and possible solutions to known issues. • Appendix A, "Configuration Information Record" provides - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 8
or parts of procedures documented here apply to some switches but not to others, this guide identifies exactly which switches are supported and which are not. Although many different software and hardware configurations are tested and supported by Brocade Communications Systems, Inc. for v6 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 9
portions of this guide are presented in mixed manual follows these conventions: command --option, option -argument, arg [ ] variable ... value | Commands are printed in bold. Command options are printed in bold. Arguments. Optional element. Variables are printed in italics. In the help pages - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 10
, go to http://my.brocade.com and register at no cost for a user ID and password. For practical discussions about SAN design, implementation, and maintenance, you can obtain Building SANs with Brocade Fabric Switches through: http://www.amazon.com x FICON Administrator's Guide 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 11
• Switch model • Switch operating system version • Error numbers and messages received • supportSave command output • Detailed description of the problem, including the switch or fabric behavior immediately following the problem, and specific questions • Description of any troubleshooting steps - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 12
to display the switch WWN. If you cannot use the licenseIDShow command because the switch is inoperable, you of this document. However, if you find an error or an omission, or you think that a topic page number and your suggestions for improvement. xii FICON Administrator's Guide 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 13
Switches (SG24-6116-08). NOTE In this guide, the term switch is used to refer to a Brocade switch, director, or backbone platform unless otherwise noted. Fabric OS support and the channel configurations cannot be changed quickly. Blade swapping has minimal or no impact on other switch features. • - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 14
-class switches. For more information on DFCM refer to the manual appropriate for your version: DCFM User's Manual, DCFM User's Manual (Professional Edition), or DCFM User's Manual (Enterprise Edition). • Fabric OS MIB Reference The MIB reference provides information and procedures on setting up - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 15
FICON over IP extension. • The Brocade DCX and DCX-4S Backbones, Brocade 5100 and 5300 switches can set aptPolicy option 1) unless Lossless is specified. Exchange based routing (set aptPolicy option 3) is only supported when Lossless is specified. Latency guideline The maximum allowable network - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 16
Configuration Data Set (IOCDS). The data set in the z/OS and zSeries processor (in the support element) contains an I/O configuration Unit Port (CUP) The internal port in a switch that assumes an FC address such that it is the error-reporting functions. 4 FICON Administrator's Guide 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 17
communication between a pair of ports in the switch is prohibited or not. Connectivity attributes control whether all the communication is blocked for a port. • Read Record Set (RRS) RRS is an XRC command issued to retrieve only record updates from disk volumes. • Registered Link Incident Report - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 18
computers, a Systems Complex, commonly called a sysplex, allows multiple processors to be joined into a single unit, sharing the same sysplex name and Couple Data Sets. FICON configurations There are two types of FICON configurations that are supported using Brocade Fabric OS: switched point - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 19
connected to each other using an Inter-Switch Link (ISL). The processor interface is connected to one switch, while the storage interface is connected to the other. This configuration is supported for both disk and tape, with multiple processors, disk subsystems, and tape subsystems sharing the - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 20
includes at least one zone. In open systems environments and in more complex FICON deployments, the zone configuration contains multiple zones. Although domain,index zoning is supported, WWN zoning for QoS is still recommended in environments where NPIV is deployed. For more information on - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 21
FICON 1 FIGURE 6 Simple cascaded zoning Figure 7 illustrates the multiple zoning concepts that can be used to restrict traffic. In to the backup tape at the Backup Site. NOTE Zoning does not replace the need to set up the connectivity from the host to storage control units in the HCD or IOCP. For - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 22
ports 7 and 8 on Director 12. The zone includes port 4 of Director 2 and ports 7 and 8 of Director 12. Either ISL can be used. 10 FICON Administrator's Guide 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 23
incidents are reported to registered listeners on the local switch. The RMF 74-7 record (FICON Director Activity Report, which is the same RMF Record containing the average frame pacing delay info) reports port errors, which in turn are also reported back to the mainframe host management consoles - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 24
1 Access Control in FICON FIGURE 8 three types of binding 12 FICON Administrator's Guide 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 25
for matching port pairs of two blades. configure Sets the domain ID and the insistent domain ID mode. configUpload Backs up the current configuration. firmwareShow Displays the current version of the firmware. licenseAdd Adds a license to the switch. The license key is case sensitive and - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 26
to FICON (Continued) Description ficonshow rnid [fabric] ficonshow switchrnid [fabric] Displays node identification data for all devices registered with the local switch or all devices registered with all switches defined in the fabric, if specified. Displays node identification data for the local - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 27
for single-byte addressing. However, you should configure IDID to ensure that domain IDs are maintained. 1. Connect to the switch and log in using an account assigned to the admin role. 2. Verify the management IPs have been set up. 3. Verify the switches can be seen by your management tool - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 28
reference manual to perform the initial setup of the switch and have performed all the steps from "Preparing a switch for FICON" on page 15. CAUTION Configuring the switch for FICON is a disruptive process. The switch must be disabled to configure switch parameters. 1. Connect to the switch and - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 29
Configuring switched point-to-point FICON 2 5. Set the routing policy to port-based routing by entering the aptPolicy command. The recommended best practice is to use exchange-based routing (aptPolicy 3); however, exchanged-based routing is only supported for FICON when Lossless DLS is enabled. If - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 30
Loop parameters No System services No Portlog events enable No default. NOTE: The default value is incorrectly shown as 0. Do not change. 9. Enter the switchEnable command to set the switch online. 10. Enter the trackChanges command to track all changes. If not set, only changes deemed errors - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 31
FICON" on page 20. • If you have and plan to use a CUP license, continue configuring your switches using the instructions in "Configuring FICON CUP" on page 27. • If you have a switched point-to-point configuration, you have completed the switch configuration. FICON Administrator's Guide 19 53 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 32
. 2. Perform the following actions for each switch: a. Enable the IDID flag. b. Set the domain ID. It is highly recommended that the switch ID used in HCD and IOCP be the same as the switch address in hexadecimal. All switches ship from the factory with a default domain ID of 1. Best practice is to - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 33
mode • Auto addressing mode Because flat addressing mode allocates 10-bit areas by default, auto-addressing mode is used to support FICON in dynamically created partitions. Use the fabric parameters of the configure command to enable this mode. There are two options for 256 area limit. The - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 34
Clearing the FICON management database Perform the following steps to clear RLIR and RNID records from the FICON management database. 1. Connect to the switch and log in as admin. 2. Enter ficonClear rlir to remove all the RLIR records from the local RLIR database. 3. Enter ficonClear rnid to - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 35
switch naming standards for CUP 26 •Configuring FICON CUP 27 •Configuring FICON CUP in Virtual Fabrics 28 •Determining physical port assignment 29 •FMS mode and FICON CUP 30 •Mode register bit settings 32 •Setting (Hardware Configuration Definition). A FICON director or switch that supports CUP - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 36
access to switch parameters. ATTENTION Once FMS mode is enabled, do not bind FE/FF to any ports using either the portAddress or wwnAddress commands. • The switch is advertised to the mainframe by CUP as a 256-port switch (due to CUP protocol limitation). 24 FICON Administrator's Guide 53-1001771 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 37
In the Brocade DCX, the FC8-48 is only supported in a logical switch configured for zero-based addressing. • Ports 0xFE and 0xFF must be disabled before FMS can be successfully enabled. CUP configuration recommendations The following are recommendations for setting up FICON CUP: • Device Type: 2032 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 38
's Guide for more information on configuration. Port and switch naming standards for CUP Fabric OS handles differences in port and switch naming switch. Set the CUP error reporting path. Sets the Missing Interrupt Handler Primary Timeout value. Sets the mode register bits for the switch - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 39
switch or director has been set up according to the instructions in "Configuring switched point-to-point FICON" on page 16 and if in a cascaded topology, "Configuring Cascaded FICON" on page CUP" on page 35 for more information and detailed instructions. Ports 254 and 255 are not supported in a CUP - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 40
be configured as a FICON switch. FICON CUP-enabled logical switches are not supported as logical fabric-capable logical switches, so FICON logical switches will not participate in the use of extended ISLs on the base switch. You cannot have 48-or 64-port blades in the default logical switch with - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 41
, the default assignment is area = port. 10. Add ports to the logical switch using the lsCfg --configure command. 11 switches are set up, install CUP on the logical switch per the instructions in "Configuring FICON CUP" on page 27. Determining physical port assignment The following instructions - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 42
and disabling ports for CUP" on page 35 for instructions. Changing FMS mode from disabled to enabled triggers the following events: • Access to switch configuration parameters is serialized. • The active CUP configuration data is established as follows: - Port and switch names are not read from the - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 43
command displays the effective FMS mode setting for the switch. switch:admin> ficoncupshow fmsmode fmsmode for the switch: Enabled Enabling FMS mode 1. Connect to the switch and log in using an verify if fmsmode is disabled. 5. Install the CUP license. FICON Administrator's Guide 31 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 44
The default setting is 0 (off). POSC Programmed offline state control. If the bit is set (=1) the command from the host will set the switch offline. If the bit is off (=0) the command from the host will be rejected and the switch will not go offline. The default setting is 1 (on). UAM User alert - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 45
files, including the IPL file, are supported. You can upload the configuration files saved on the switch to a management workstation using the configUpload command. If the switch loses the configuration due to a hardware failure or file system error, use the configDownload command to restore - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 46
register bits: • The UAM bit can only be set by host programming. • All mode register bits except UAM are saved across power on/off cycles; the UAM bit is reset to 0 following a power-on. • Mode register bits can be changed when the switch is offline or online. If the ACP or HCP bits are - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 47
peak usage, without causing the host to detect timeouts. It is recommended that the value be set to 180 seconds in a SAN with B- and M-Series switches. The default value is 180 seconds. 1. Connect to the switch and log in using an account assigned to the admin role. 2. Enter the ficonCupSet MIHPTO - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 48
for CUP switch:admin> ficoncupset modereg ASM 1 Active=Saved Mode bit is set to 1. 5. Use the portEnable and portDisable commands to enable and disable ports as necessary. The ports remain enabled or disabled after a switch reboot. switch:admin> portenable 1/1 36 FICON Administrator's Guide 53 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 49
for FICON extension 40 •Configuration requirements for switches and directors 40 •Configuring FICON emulation 43 •Modifying FICON emulation 45 •Displaying FICON emulation performance statistics 46 FICON emulation overview FICON emulation supports FICON traffic over IP WANs using FCIP as the - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 50
remote host for the purpose of reading these record sets (updates) that is supported by XRC emulation. The emulation feature thus allows the secondary mirrored volume may be geographically distant across an IP WAN. The latency introduced by greater distance creates delays 's Guide 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 51
records, enabling the host to generate more records while previous records are in transit across the IP WAN. If an exception status is received from the device, the writing of data and emulation device, the reading of data and emulation is terminated. FICON Administrator's Guide 39 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 52
disabled until after FICON emulation is configured. Refer to Fibre Channel over IP Administrator's Guide for information about configuring FCIP interfaces, tunnels, and circuits. Configuration requirements for switches and directors There are three configuration issues to consider when a SAN router - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 53
SAN routers or FR4-18ior FX8-24 blade Ethernet interfaces to create a cascaded FICON switched configuration. The fabric must be set up to provide a secure, or high integrity, fabric to enable this configuration to operate in an IBM environment. See Chapter 2, "Administering FICON Fabrics" for an - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 54
to the Fabric OS Administrator's Guide. When setting up TI zones in your re-issue this sequence over the recovery path. • Multiple error periods will be perceived at the connected LPARs ( enabled. • Keep the configurations as simple as possible, this will make the systems more supportable. • Include - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 55
command. 4. Verify the switches have been set up according to the instructions in "Configuring switched point-to-point FICON" on page 16 and "Configuring Cascaded FICON" on page 20. 5. Configure the FCIP tunnel according to the Fibre Channel over IP Administrator's Guide. 6. Enable compression on - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 56
ACK emulation enabled. The default values are assumed for wrtMaxPipe, wrtMaxDev, wrtTimer, and wrtMaxChains. An oxidbase value of 0x7000 is specified. switch:admin> portcfg ficon ge1 0 config -x 1 -w 1 -r 1 -t 1 -l 1 oxidbase 0x7000 Displaying FICON emulation configuration values On a Brocade 7500 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 57
settings for VE_Port 22 in slot 3: sw1:FID79:admin> portshow fciptunnel 3/22 Tunnel ID: 3/22 Tunnel Description: Admin Status: Enabled Oper Status: Up Compression: On (Standard) Fastwrite: On Tape Acceleration: Write/Read TPerf Option: Off IPSec: Disabled Remote WWN: Not Configured the switches at - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 58
to disable any feature to display statistics. 1. Connect to the switch and log in using an account assigned to the admin role. to the FICON Device Control Block. Support personnel may use this pointer. Path The device path, in the format VE-HD-HP-DD-DP-LP-CU-DV. where 's Guide 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 59
performance statistics 4 For example, the value 2463016406050001 breaks down as follows. VE HD HP DD DP LP CU DV 24 63 01 64 06 05 00 01 State A | |0x104B6000|24B100B20E1109FD|H| 0x00|0000|000F|0000|1422| 3983|144| 40358| 24305| FICON Administrator's Guide 47 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 60
| |0x104B5400|24B102B20F1109F9|H| 0x00|0000|000F|0000|05E8| 4185|155| 38116| 22943| |0x104B5C00|24B102B20F1109FD|H| 0x00|0000|000F|0000|07E2| 3755|143| 40929| 24885| 48 FICON Administrator's Guide 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 61
NOTE Firmware may need to be upgraded in multiple steps. Consult the Release Notes for details. When downgrading firmware, turn off and disable all features not supported in the final release. For more information on the firmware download process, refer to the Fabric OS Administrator's Guide. FICON - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 62
a successful firmware download. • On switches with IP ports, the Brocade 7500, or enterprise-class platforms with an FR4-18i blade, the IP port goes offline for 20 to 30 sec during a firmware download. Any path using these IP ports should be paused or set offline during the firmware download process - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 63
configuration file, but is disabled on the switch, the configDownload command fails and displays an error message. This prevents undesirable conditions that could result from enabling fmsmode on a switch fiber networks). Administrator's Guide. Determining flow by defining a set of devices or ports - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 64
Flow B ISL 1 ISL 2 ISL 3 Flow C CU A CU B FIGURE 15 Typical triangular setup During normal operation, the routes from any device on one director are a one-hop path to either available. Multi-hop paths are not certified for FICON configurations. 52 FICON Administrator's Guide 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 65
multiple-hop issue, use Enhanced TI Zoning to prohibit the connection between E_Ports on the directors. For this setup you must define a device in two zones with failover disabled. Figure 16 shows that the setup because the exclusive path has failed. FICON Administrator's Guide 53 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 66
used to support an operations recovery support fast access for production applications. In the backup site, the storage is tape to support is required to be isolated to support the bandwidth requirements needed to support a hot recovery scenario in the event the production host goes down. Supporting - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 67
Traffic Isolation Zoning 5 FIGURE 18 System Data Mover topology using Enhanced TI Zones Figure 18 on page 55 shows the following Enhanced TI Zones definitions for the System Data Mover topology: • Green on the backup DASD traffic and vice-versa. FICON Administrator's Guide 55 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 68
long distances, care must be taken when configuring the ISL connections to insure that the , are deployed in multiple redundant configurations that also define access from one Zoning feature to support device membership in multiple zones, these types of emulation configurations are addressed. - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 69
optics and cables can cause errors to occur at a rapid rate that error processing and sending and processing RSCNs can cause fabric performance problems. Port fencing allows the user to limit the number of errors a port can receive by forcing a port offline when certain error thresholds are met. The - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 70
• Low 0 • High 1,000 errors per minute FICON information You can display to the switch, log in as user, and enter one of the following commands: • For the local switch: ficonShow rlir • For all switches defined in 0x00 Node Parameters 0x200a5d 58 FICON Administrator's Guide 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 71
re-wire your infrastructure, you can move a port's traffic to another port (swap ports) without changing the I/O Configuration Data Set (IOCDS) on the mainframe computer. ATTENTION Ports that have been swapped cannot be moved to another logical switch. FICON Administrator's Guide 59 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 72
information about swapped ports in a switch. You can use the portSwap error is encountered then blade swap quits without disrupting traffic flowing through the blades. If an unforeseen error switches is not supported. The ports on the source and destination blades need to be in the same logical switch - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 73
not supported on the FX8-24 DCX Extension blade. For more information on blade swapping, refer to the Fabric OS Administrator's Guide. Review each step in "Configuring switched point-to-point FICON" on page 16 and "Configuring Cascaded FICON" on page 20 and validate that all features are configured - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 74
message is reported when there is an error external to the host; an IEE error message indicates something is wrong internal to the host. Fabric Not Configured Properly • Make sure that the insistent domain ID is set and the domain IDs are unique for all switches in the fabric. • Make sure that the - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 75
online. He was instructed to configure the CHPID offline and then try to configure the CHPID back online. MVS console commands and responses (lines beginning with "IEE" are responses and all other lines are entries.): CF CHP(60),OFFLINE IEE503I CHP(60),OFFLINE IEE712I CONFIG PROCESSING COMPLETE CF - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 76
be set to 'y' (output truncated) Unable to "vary online" FICON CUP port on the switch. troubleshooting techniques necessary to fix your problem. General information to gather for all cases The following information needs to be gathered for all FICON setups: • The output from the standard support - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 77
Troubleshooting FICON 5 By default, the FICON group in the supportShow output is disabled. To enable the capture of FICON data in the supportShow output, enter the supportShowCfgEnable ficon command. After you get confirmation that the configuration has been updated, the following will be - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 78
5 Troubleshooting FICON • Have you verified that no additional license is required to enable your FICON configuration? • Have you verified that your switch does not have a special mode setting turned on for FICON? NOTE There is no requirement to have a secure fabric in a switched point-to-point - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 79
notes on FICON setup and configuration. • Is this a switched point-to-point or cascaded environment? • Is the FICON group enabled for supportshow? Check at the top of the supportshow. If not, use supportShowCfgEnable ficon and re-run the test that was failing. NOTE If this setting is not set to port - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 80
5 Troubleshooting FICON NPIV 68 FICON Administrator's Guide 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 81
Domain ID _____ Fabric Name FICON® Switch F_Ports Attached N_Ports / E_Ports (CU, CPC, or ISL) Slot Number Port Number Port Address Laser Type: LX / SX Port Name Node Type Machine Model CU / CHNL Type Serial Number ISL CU I/F CPC CHPID FICON Administrator's Guide 69 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 82
A Configuration Information Record 70 FICON Administrator's Guide 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 83
EBCDIC Code Page Appendix B Extended Binary Coded Decimal Interchange Code (EBCDIC) is an 8-bit character encoding (code page) used on IBM mainframe operating systems such as z/OS and S/390. Code page 037 is an EBCDIC code page with full Latin-1-charset. FICON Administrator's Guide 71 53- - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 84
B EBCDIC Code Page 72 FICON Administrator's Guide 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 85
the RLIR database, 13 configuration file fmsmode, 51 restoring in a FICON environment, 50 configuring switch, single, 15 Control Unit Port cannot access the switch, 63 CUP, 13, 23 intermix mode, 1 L link incidents, 13 link incidents, displaying, 13, 58 FICON Administrator's Guide 73 53-1001771-01 - HP Brocade 8/12c | FICON Administrator's Guide v6.4.0 (53-1001771-01, June 2010) - Page 86
ports, 35 port and switch naming standards, 26 port swapping, 59 R recording configuration information, 33 registered listeners, single-switch configuration, 15 switch preparation, 15 switched point-to-point configuration, 6 T tag field, interpreting, 58 Tape Pipelining, 43 troubleshooting NPIV,
53-1001771-01
30 March 2010
®
53-1001771-01
FICON
Administrator’s Guide
Supporting Fabric OS v6.4.0