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Table Of Contents
Cisco MDS 9000 Family Release Notes
for Cisco MDS SAN-OS Release 3.1(2a)Determining the Software Version
Selecting the Correct Software Image for an MDS 9100 Series Switch
Selecting the Correct Software Image for an MDS 9500 Series Switch
Migrating from Supervisor-1 Modules to Supervisor-2 Modules
Configuring Generation 2 Switching Modules
Upgrading Your Cisco MDS SAN-OS Software Image
Upgrading Your Version of Cisco Fabric Manager
Reconfiguring SSM Ports Before Upgrading to SAN-OS Release 3.1(2a)
Upgrading the SSI Image on Your SSM
Upgrading a Switch with Insufficient Space for Two Images on the Bootflash
Upgrading a Cisco MDS 9124 Switch
Performing a Disruptive Upgrade on a Single Supervisor MDS Family Switch
Downgrading Your Cisco MDS SAN-OS Software Image
General Downgrading Guidelines
Downgrading the SSI Image on Your SSM
New Features in Cisco MDS SAN-OS Release 3.1(2a)
Fabric Manager Login Procedure
Using SAN Device Virtualization on Cisco Fabric Switches
Interface Names on Cisco Fabric Switches and Interface Based Zoning
Virtual Router Redundancy Protocol (VRRP) Interfaces
QoS on an MDS 48-port Fibre Channel Module
Maximum Number of Zones Supported in Interop Mode 4
Configuring Default Settings for the Default Zone
Regulatory Compliance and Safety Information
Installation and Configuration Note
Obtaining Documentation, Obtaining Support, and Security Guidelines
Cisco MDS 9000 Family Release Notes
for Cisco MDS SAN-OS Release 3.1(2a)
Release Date: February 12, 2007
Text Part Number: OL-12208-03 J0
This document describes the caveats and limitations for switches in the Cisco MDS 9000 Family. Use this document in conjunction with documents listed in the "Related Documentation" section.
Note
Release notes are sometimes updated with new information on restrictions and caveats. Refer to the following website for the most recent version of the Cisco MDS 9000 Family Release Notes: http://www.cisco.com/en/US/products/hw/ps4159/ps4358/prod_release_notes_list.html
Table 1 shows the online change history for this document.
Contents
This document includes the following sections:
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Introduction
The Cisco MDS 9000 Family of Multilayer Directors and Fabric Switches provides industry-leading availability, scalability, security, and management, allowing you to deploy high performance storage-area networks with lowest total cost of ownership. Layering a rich set of intelligent features onto a high performance, protocol agnostic switch fabric, the Cisco MDS 9000 Family addresses the stringent requirements of large data center storage environments: uncompromising high availability, security, scalability, ease of management, and seamless integration of new technologies.
The Cisco MDS 9000 Family SAN-OS is the underlying system software that powers the Cisco MDS 9500 Series, 9200 Series, and 9100 Series multilayer switches. The Cisco SAN-OS provides intelligent networking features, such as multiprotocol and multitransport integration, virtual SANs (VSANs), advanced security, sophisticated debug analysis tools, and unified SAN management.
Components Supported
Table 2 lists the SAN-OS software part number and hardware components supported by the Cisco MDS 9000 Family.
Note
Table 2 Cisco MDS 9000 Family Supported Software and Hardware Components
Software
M95S2K9-3.1.2a
MDS 9500 Supervisor/Fabric-2, SAN-OS software.
MDS 9500 Series only
M95S1K9-3.1.2a
MDS 9500 Supervisor/Fabric-I, SAN-OS software.
MDS 9500 Series only
M92S1K9-3.1.2a
MDS 9216 Supervisor/Fabric-I, SAN-OS software.
MDS 9200 Series only
M91S2K9-3.1.2a
MDS 9100 Supervisor/Fabric-2, SAN-OS software.
MDS 9100 Series only
M91S1K9-3.1.2a
NDS 9100 Supervisor/Fabric-I, SAN-OS software
MDS 9100 Series only
License
M9500ENT1K9
Enterprise package.
MDS 9500 Series
M9200ENT1K9
Enterprise package.
MDS 9200 Series
M9100ENT1K9
Enterprise package.
MDS 9100 Series
M9500FIC1K9
Mainframe package.
MDS 9500 Series
M9200FIC1K9
Mainframe package.
MDS 9200 Series
M9100FIC1K9
Mainframe package.
MDS 9100 Series
M9500FMS1K9
Fabric Manager Server package.
MDS 9500 Series
M9200FMS1K9
Fabric Manager Server package.
MDS 9200 Series
M9100FMS1K9
Fabric Manager Server package.
MDS 9100 Series
M9500EXT1K9
SAN Extension over IP package for IPS-8 module.
MDS 9500 Series
M9200EXT1K9
SAN Extension over IP package for IPS-8 module.
MDS 9200 Series
M9500EXT14K9
SAN Extension over IP package for IPS-4 module.
MDS 9500 Series
M9200EXT14K9
SAN Extension over IP package for IPS-4 module.
MDS 9200 Series
M9500EXT12K9
SAN Extension over IP package for MPS 14+2 module.
MDS 9500 Series
M9200EXT12K9
SAN Extension over IP package for MPS 14+2 module.
MDS 9200 Series
M9500SSE1K9
Storage Services Enabler package.
MDS 9500 Series with SSM
M9200SSE1K9
Storage Services Enabler package.
MDS 9200 Series with SSM
M9124PL8-4G
On-Demand Ports Activation License
MDS 9124 Switch
HP-PL12-4G
On-Demand Ports Activation License
Cisco Fabric Switch for HP c-Class BladeSystem only
IBM-PL10-4G
On-Demand Ports Activation License
Cisco Fabric Switch for IBM BladeCenter only
Chassis
DS-C9513
MDS 9513 director (13-slot modular chassis with 11 slots for switching modules, and 2 slots reserved for Supervisor 2 modules only—SFPs1 sold separately).
MDS 9513 only
DS-C9509
MDS 9509 director, base configuration (9-slot modular chassis includes 7 slots for switching modules and 2 slots for supervisor modules—SFPs sold separately).
MDS 9509 only
DS-C9506
MDS 9506 director (6-slot modular chassis includes 4 slots for switching modules and 2 slots for supervisor modules—SFPs sold separately).
MDS 9506 only
DS-C9216-K9
MDS 9216 16-port semi-modular fabric switch (includes 16 1-Gbps/2-Gbps Fibre Channel ports, power supply, and expansion slot—SFPs sold separately).
MDS 9216 only
DS-C9216A-K9
MDS 9216A 16-port semi-modular fabric switch (includes 16 1-Gbps/2-Gbps Fibre Channel ports, power supply, and expansion slot—SFPs sold separately).
MDS 9216A only
DS-C9216i-K9
MDS 9216i 16-port semi-modular fabric switch (includes 14 1-Gbps/2-Gbps Fibre Channel ports, 2 Gigabit Ethernet ports, power supply, and expansion slot—SFPs sold separately).
MDS 9216i only
DS-C9140-K9
MDS 9140 fixed configuration (non-modular) fabric switch (includes 8 full rate ports and 32 host-optimized ports).
MDS 9140 only
DS-C9124-K9
MDS 9124 fixed configuration (non-modular) multilayer fabric switch (includes 8 enabled ports; an on-demand ports activation license can enable 8 additional ports, up to 24 ports).
MDS 9124 only
DS-C9120-K9
MDS 9120 fixed configuration, non-modular, fabric switch (includes 4 full rate ports and 16 host-optimized ports).
MDS 9120 only
DS-HP-FC-K9
Cisco Fabric Switch for HP c-Class BladeSystem (includes sixteen internal and eight external active ports and four 4-Gb SFPs installed, or eight internal and four external active ports and two 4-Gb SFPs installed).
Cisco Fabric Switch for HP c-Class BladeSystem only
DS-IBM-FC-K9
Cisco Fabric Switch for IBM BladeCenter (includes fourteen internal and six external ports)
Cisco Fabric Switch for IBM BladeCenter only
External crossbar module
DS-13SLT-FAB1
MDS 9513 crossbar fabric module.
MDS 9513 only
Supervisor modules
DS-X9530-SF2-K9
MDS 9500 Supervisor-2, module.
MDS 9500 Series only
DS-X9530-SF1-K9
MDS 9500 Supervisor/Fabric-I module.
Switching modules
DS-X9016
MDS 9000 16-port 1-Gbps/2-Gbps Fibre Channel module (SFPs sold separately).
MDS 9500 Series and 9200 Series
DS-X9032
MDS 9000 32-port 1-Gbps/2-Gbps Fibre Channel module (SFPs sold separately).
DS-X9112
MDS 9000 12-port 4-Gbps Fibre Channel module (SFPs sold separately).
MDS 9500 Series and 9200 Series, except for the MDS 9216
DS-X9124
MDS 9000 24-port 4-Gbps Fibre Channel module (SFPs sold separately).
MDS 9500 Series and 9200 Series, except for the MDS 9216
DS-X9148
MDS 9000 48-port 4-Gbps Fibre Channel module (SFPs sold separately).
MDS 9500 Series and 9200 Series, except for the MDS 9216
DS-X9704
MDS 9000 4-port 10-Gbps Fibre Channel module (SFPs sold separately)
MDS 9500 Series and 9200 Series, except for the MDS 9216
Services modules
DS-X9308-SMIP
8-port Gigabit Ethernet IP Storage services module.
MDS 9500 Series and 9200 Series
DS-X9304-SMIP
4-port Gigabit Ethernet IP Storage services module.
DS-X9032-SSM
MDS 9000 32-port 1-Gbps/2-Gbps Fibre Channel Storage Services Module (SSM).
DS-X9302-14K9
14-port Fibre Channel/2-port Gigabit Ethernet Multiprotocol Services (MPS-14/2) module.
Optics
DS-X2-FC10G-SR
X2/SC optics, 10-Gbps Fibre Channel for Short Reach.
MDS 9500 Series and 9200 Series, except for the MDS 9216
DS-X2-FC10G-LR
X2/SC optics, 10-Gbps Fibre Channel for Long Reach.
DS-X2-FC10G-ER
X2/SC optics, 10-Gbps Fibre Channel for Extended Reach (40 km).
LC-type fiber-optic SFP
DS-SFP-FC-2G-SW
2-Gbps/1-Gbps Fibre Channel—short wavelength SFP.
MDS 9000 Family
DS-SFP-FC-2G-LW
2-Gbps/1-Gbps Fibre Channel—long wavelength SFP.
DS-SFP-FCGE-SW
1-Gbps Ethernet and 1-Gbps/2-Gbps Fibre Channel—short wavelength SFP.
DS-SFP-FCGE-LW
1-Gbps Ethernet and 1-Gbps/2-Gbps Fibre Channel—long wavelength SFP.
DS-SFP-GE-T
1-Gbps Ethernet SFP.
DS-SFP-FC4G-SW
4-Gbps/2-Gbps/1-Gbps Fibre Channel—short wavelength SFP for DS-X91xx switching modules.
MDS 9500 Series and 9200 Series, except for the MDS 9216
DS-SFP-FC4G-MR
4-Gbps/2-Gbps/1-Gbps Fibre Channel—long wavelength SFP for DS-X91xx switching modules only. Supports distances up to 4 km.
DS-SFP-FC4G-LW
4-Gbps/2-Gbps/1-Gbps Fibre Channel—long wavelength SFP for DS-X91xx switching modules only. Supports distances up to 10 km.
CWDM2
DS-CWDM-xxxx
Gigabit Ethernet and 1-Gbps/2-Gbps Fibre Channel SFP LC interface xxxx nm, where xxxx = 1470, 1490, 1510, 1530, 1550, 1570, 1590, or 1610 nm.
MDS 9000 Family
DS-CWDM-MUX-4
Add/drop multiplexer for four CWDM wavelengths.
DS-CWDM-MUX-8
Add/drop multiplexer for eight CWDM wavelengths.
DS-CWDMCHASSIS
Two slot chassis for CWDM add/drop multiplexers.
Power supplies
DS-CAC-6000W
6000-W AC power supply.
MDS 9513 only
DS-CAC-2500W
2500-W AC power supply.
MDS 9509 only
DS-CDC-2500W
2500-W DC power supply.
DS-CAC-3000W
3000-W AC power supply.
DS-CAC-4000W-US
4000-W AC power supply for US (cable attached).
DS-CAC-4000W-INT
4000-W AC power supply international (cable attached).
DS-CAC-1900W
1900-W AC power supply.
MDS 9506 only
DS-CDC-1900W
1900-W DC power supply.
DS-CAC-845W
845-W AC power supply.
MDS 9200 Series only
DS-CAC-300W
300-W3 AC power supply.
MDS 9100 Series only
CompactFlash
MEM-MDS-FLD512M
MDS 9500 supervisor CompactFlash disk, 512 MB.
MDS 9500 Series only
Port analyzer adapter
DS-PAA-2, DS-PAA
A standalone Fibre Channel-to-Ethernet adapter that allows for simple, transparent analysis of Fibre Channel traffic in a switched fabric.
MDS 9000 Family
CD-ROM
M90FM-CD-212=
MDS 9000 Management Software and Documentation CD-ROM, spare.
MDS 9000 Family
1 SFP = small form-factor pluggable
2 CWDM = coarse wavelength division multiplexing
3 W = Watt
Software Download Process
Use the software download procedure to upgrade to a later version, or downgrade to an earlier version, of an operating system. This section describes the software download process for the Cisco MDS SAN-OS and includes the following topics:
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Determining the Software Version
To determine the version of Cisco MDS SAN-OS software currently running on a Cisco MDS 9000 Family switch using the CLI, log in to the switch and enter the show version EXEC command.
To determine the version of Cisco MDS SAN-OS software currently running on a Cisco MDS 9000 Family switch using the Fabric Manager, view the Switches tab in the Information pane, locate the switch using the IP address, logical name, or WWN, and check its version in the Release column.
Note
Downloading Software
The Cisco MDS SAN-OS software is designed for mission-critical high availability environments. To realize the benefits of nondisruptive upgrades on the Cisco MDS 9500 Directors, we highly recommend that you install dual supervisor modules.
To download the latest Cisco MDS SAN-OS software, access the Software Center at this URL:
http://www.cisco.com/public/sw-center
See the following sections in this release note for details on how you can nondisruptively upgrade your Cisco MDS 9000 switch. Issuing the install all command from the CLI, or using Fabric Manager to perform the downgrade, enables the compatibility check. The check indicates if the upgrade can happen nondisruptively or disruptively depending on the current configuration of your switch and the reason.
Compatibility check is done:Module bootable Impact Install-type Reason------ -------- -------------- ------------ ------1 yes non-disruptive rolling2 yes disruptive rolling Hitless upgrade is not supported3 yes disruptive rolling Hitless upgrade is not supported4 yes non-disruptive rolling5 yes non-disruptive reset6 yes non-disruptive resetAt a minimum, you need to disable the default device alias distribution feature using the no device-alias distribute command in global configuration mode. The show incompatibility system bootflash:1.3(x)_filename command determines which additional features need to be disabled.
Note
Note
Selecting the Correct Software Image for an MDS 9100 Series Switch
The system and kickstart image that you use for an MDS 9100 series switch depends on which switch you use, as shown in Table 3.
Selecting the Correct Software Image for an MDS 9500 Series Switch
The system and kickstart image that you use for an MDS 9500 Series switch depends on whether the switch is based on a Supervisor-1 module or a Supervisor-2 module, as shown in Table 4.
Use the show module command to display the type of supervisor module in the switch.
For a Supervisor-1 module, the output might look like this:
switch# show moduleMod Ports Module-Type Model Status--- ----- -------------------------------- ------------------ ------------......5 0 Supervisor/Fabric-1 DS-X9530-SF1-K9 active*6 0 Supervisor/Fabric-1 DS-X9530-SF1-K9 ha-standbyFor a Supervisor-2 module, the output might look like this:
switch# show moduleMod Ports Module-Type Model Status--- ----- -------------------------------- ------------------ ------------......7 0 Supervisor/Fabric-2 DS-X9530-SF2-K9 active *8 0 Supervisor/Fabric-2 DS-X9530-SF2-K9 ha-standbyMigrating from Supervisor-1 Modules to Supervisor-2 Modules
As of Cisco MDS SAN-OS Release 3.0(1), the Cisco MDS 9509 and 9506 Directors support both Supervisor-1 and Supervisor-2 modules. Supervisor-1 and Supervisor-2 modules cannot be installed in the same switch, except during migration. Both the active and standby supervisor modules must be of the same type, either Supervisor-1 or Supervisor-2 modules. For Cisco MDS 9513 Directors, both supervisor modules must be Supervisor-2 modules.
Caution
Note
To migrate from a Supervisor-1 module to a Supervisor-2 module, refer to the step-by-step instructions in the Cisco MDS 9000 Family CLI Configuration Guide.
Configuring Generation 2 Switching Modules
The Cisco MDS 9500 Multilayer Directors are designed to operate with any combination of Cisco MDS 9000 Generation 1 and Generation 2 modules. However, there are limitations to consider when combining the various modules and supervisors in the Cisco MDS 9500 Series platform chassis. The references listed in this section provide specific information about configurations that combine different modules and supervisors.
For information on configuring Generation 2 switching modules, refer to:
http://www.cisco.com/en/US/products/ps5989/products_configuration_guide_chapter09186a0080664c6b.html
For information on port index availability, refer to:
http://www.cisco.com/en/US/products/ps5990/products_installation_guide_chapter09186a0080419599.html
For information on Cisco MDS 9000 hardware and software compatibility, refer to:
http://www.cisco.com/en/US/products/ps5989/products_device_support_table09186a00805037ee.html
Upgrading Your Cisco MDS SAN-OS Software Image
This section lists the guidelines recommended for upgrading your Cisco MDS SAN-OS software image and contains the following sections:
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Caution
For instructions on how to scan your switch fabric and display the status of Compact Flash using CLI commands, refer to the "Managing System Hardware" section of the Cisco MDS 9000 Family CLI Configuration Guide.
Upgrading Your Version of Cisco Fabric Manager
To upgrade your version of Cisco Fabric Manager, or install Cisco Fabric Manager for the first time, follow these steps:
Step 1
Note
Step 2
a.
b.
c.
Step 3
Note
Step 4
Note
Step 5
General Upgrading Guidelines
Use the following guidelines when upgrading to Cisco MDS SAN-OS Release 3.1(2a):
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Use Table 5 to determine your nondisruptive upgrade path to Cisco SAN-OS Release 3.1(2a). Find the image release number you are currently using in the Current column of the table and use the path recommended.
Note
Use Table 6 to determine your nondisruptive upgrade path to Cisco MDS SAN-OS Release 3.1(2a). Find the image release number you are currently using in the Current Release with FICON Enabled column of the table and use the path recommended.
Note
Upgrading with IVR Enabled
An Inter-Switch Link (ISL) flap resulting in fabric segmentation or a merge during or after an upgrade from Cisco MDS SAN-OS Release 2.0(x) to a later image where IVR is enabled might be disruptive. Some possible scenarios include the following:
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If this problem occurs, syslogs indicate a failure and the flapped ISL could remain in a down state because of a domain overlap.
This issue was resolved in Cisco SAN-OS Release 2.1(2b); therefore, you must upgrade to Release 2.1(2b) before upgrading to Release 3.1(2a). An upgrade from Cisco SAN-OS Releases 2.1(1a), 2.1(1b), or 2.1(2a) to Release 2.1(2b) when IVR is enabled requires that you follow the procedure below, and then follow the upgrade guidelines listed in the "Upgrading Your Version of Cisco Fabric Manager" section. If you have VSANs in interop mode 2 or 3, you must issue an IVR refresh for those VSANs.
To upgrade from Cisco SAN-OS Releases 2.1(1a), 2.1(1b), or 2.1(2a) to Release 2.1(2b) for all other VSANs with IVR enabled, follow these steps:
Step 1
Note
Step 2
Note
Step 3
2005 Aug 31 21:52:04 switch %FCDOMAIN-2-EPORT_ISOLATED:%$VSAN 2005%$ Isolation of interfaceport-channel 52 (reason: unknown failure)2005 Aug 31 21:52:04 switch %FCDOMAIN-2-EPORT_ISOLATED: %$VSAN 2005%$Isolation of interface port-channel 51(reason: domain ID assignment failure)Step 4
switch(config)# vsan databaseswitch(config-vsan-db)# vsan vsan-id suspendswitch(config-vsan-db)# no vsan vsan-id suspendStep 5
Step 6
Step 7
Note
Reconfiguring SSM Ports Before Upgrading to SAN-OS Release 3.1(2a)
Starting with Cisco MDS SAN-OS Release 3.0(1), the SSM front panel ports can no longer be configured in auto mode, which is the default for releases prior to Release 3.0(1).
Note
For more information on upgrading SAN-OS software, see the "Upgrading Your Cisco MDS SAN-OS Software Image" section.
If the configuration is not updated before the upgrade, the installation process for the new image will automatically convert all ports configured in auto mode to Fx mode. This change in mode might cause a disruption if the port is currently operating in E mode.
To upgrade the image on your SSM without any traffic disruption, follow these steps:
Step 1
switch# show interface fc 2/1 - 32fc2/1 is upHardware is Fibre Channel, SFP is short wave laser w/o OFC (SN)Port WWN is 20:4b:00:0d:ec:09:3c:00Admin port mode is auto <-------- shows port is configured in auto modesnmp traps are enabledPort mode is F, FCID is 0xef0300 <-------- shows current port operational mode is FPort vsan is 1Speed is 2 GbpsTransmit B2B Credit is 3Step 2
a.
switch# config tswitch(config)# interface fc 2/1switch(config-if)# switchport mode fxb.
switch# config tswitch(config)# interface fc 2/5switch(config-if)# switchport mode eStep 3
a.
switch# config tswitch(config)# interface fc 2/2switch(config-if)# switchport mode fxb.
switch# config tswitch(config)# interface fc 2/2switch(config-if)# shutdownswitch# copy running-config startup-configUpgrading the SSI Image on Your SSM
Use the following guidelines to nondisruptively upgrade the SSI image on your SSM:
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Caution
Upgrading a Switch with Insufficient Space for Two Images on the Bootflash
To upgrade the SAN-OS image on a Cisco MDS 9000 Family switch requires enough space on the internal CompactFlash (also referred to as bootflash) to accommodate both the old software image and the new software image.
As of Cisco MDS SAN-OS Release 3.1(1), on MDS switches with a 256-MB CompactFlash, it is possible in some scenarios that a user might be unable to fit two images on the bootflash. This lack of space on the bootflash might cause the upgrade process to fail because new images are always copied onto the bootflash during an upgrade.
The following MDS switches are affected by this issue:
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To work around an image upgrade failure caused by a lack of space on the bootflash, follow these steps:
Step 1
Step 2
switch# delete bootflash:m9200-ek9-mz.3.0.3.bin
Note
switch# delete bootflash://sup-standby/m9500-sf1ek9-mz.3.0.3.binStep 3
Step 4
Step 5
Upgrading a Cisco MDS 9124 Switch
If you are upgrading from Cisco MDS SAN-OS Release 3.1(1) to Cisco SAN-OS Release 3.1(2a) on a Cisco MDS 9124 Switch, follow these guidelines:
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Performing a Disruptive Upgrade on a Single Supervisor MDS Family Switch
Cisco MDS SAN-OS software upgrades are disruptive on the following single supervisor Cisco MDS Family switches:
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If you are performing an upgrade on one of those switches, you should follow the nondisruptive upgrade path shown in Table 5, even though the upgrade is disruptive. Following the nondisruptive upgrade path ensures that the binary startup configuration remains intact.
If you do not follow the upgrade path, (for example, you upgrade directly from SAN-OS Release 2.1(2b) to SAN-OS Release 3.1(2b)), the binary startup configuration is deleted because it is not compatible with the new image, and the ASCII startup configuration file is applied when the switch comes up with the new upgraded image. When the ASCII startup configuration file is applied, there may be errors. Because of this, we recommend that you follow the nondisruptive upgrade path.
Downgrading Your Cisco MDS SAN-OS Software Image
This section lists the guidelines recommended for downgrading your Cisco MDS SAN-OS software image and contains the following sections:
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General Downgrading Guidelines
Use the following guidelines to nondisruptively downgrade your Cisco MDS SAN-OS Release 3.1(2a):
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•
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Use Table 7 to determine your nondisruptive downgrade path from Cisco SAN-OS Release 3.1(2a). Find the SAN-OS image you want to downgrade to in the To SAN-OS Release column of the table and use the path recommended.
Note
Use Table 8 to determine your nondisruptive downgrade path from Cisco SAN-OS Release 3.1(2a). Find the image release number you are currently using in the Current Release with FICON Enabled column of the table and use the path recommended.
Note
Downgrading the SSI Image on Your SSM
Use the following guidelines when downgrading your SSI image on your SSM.
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•
•
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Note
switch(config)#poweroff module slot
switch# purge module slot running-config
New Features in Cisco MDS SAN-OS Release 3.1(2a)
This section briefly describes the new features introduced in this release. For detailed information about the features listed, refer to the Cisco MDS 9000 Family CLI Configuration Guide and the Cisco MDS 9000 Family Fabric Manager Configuration Guide.
Note
There are no new features in Cisco MDS SAN-OS Release 3.1(2a).
Fabric Manager Login Procedure
As of Cisco SAN-OS Release 3.1(1), logging into Fabric Manger is a two-part process that involves entering your username and password twice, in two different dialog boxes. To successfully complete the login process, you must:
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•
To log in to Fabric Manger Server, follow these steps:
Step 1
Step 2
Step 3
Step 4
To discover new fabrics, follow these steps:
Step 1
Step 2
Step 3
Step 4
The Open Fabric dialog box displays.
Step 5
Step 6
For additional information about logging in to Fabric Manager and setting the seed switch, refer to "Setting the Seed Switch in Cisco SAN-OS Release 3.1(1) and Later" in the Cisco MDS 9000 Family Fabric Manager Configuration Guide.
Limitations and Restrictions
This section lists the limitations and restrictions for this release.
Using SAN Device Virtualization on Cisco Fabric Switches
There must be at least one SAN device virtualization-enabled switch that is not a Cisco MDS 9124 switch, a Cisco Fabric Switch for HP c-Class BladeSystem, or a Cisco Fabric Switch for IBM BladeCenter between the server and the target that are being virtualized. In other words, SAN device virtualization does not work when initiators and primary targets are connected to the same Cisco MDS 9124 Switch or Cisco Fabric Switch for HP c-Class BladeSystem or Cisco Fabric Switch for IBM BladeCenter.
Interface Names on Cisco Fabric Switches and Interface Based Zoning
The Cisco Fabric Switch for HP c-Class BladeSystem and the Cisco Fabric Switch for IBM BladeCenter use different Fibre Channel interface names than those used on MDS 9000 Family switches. Interface names are used in many operations, including domain interface zoning.
Note
Table 9 shows the mapping between the internal interface names and the displayed interface names on the Cisco Fabric Switch for HP c-Class BladeSystem and the Cisco Fabric Switch for IBM BladeCenter to the displayed interface names.
CWDM SFPs
The 2-Gbps CWDM SFPs do not have have a maximum speed set in memory and they negotiate to 4-Gbps on modules that support the higher speed. As a result, the link comes up and appears to work, but then becomes disabled and connectivity problems occur. To correct this problem, both sides of the connection must have their speed hard coded to 2-Gbps.
Fabric Manager
Observe the following limitations or restrictions for the Cisco SAN-OS Release 3.1(2a) for Fabric Manager:
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iSNS
Observe the following behaviors regarding the iSNS server and client:
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MTU Size Limitation
The Cisco MDS 9216i switch and MPS-14/2 module do not support an MTU size greater than 8000 bytes. An attempt to set the MTU size greater than 8000 bytes will result in an error. As a workaround, reset the value of the MTU size (576 to 8000 bytes) and issue the no shutdown command on the interface for normal operation.
Reconfiguring SSM Ports
Starting with Cisco MDS SAN-OS Release 3.0(1), the SSM front panel ports can no longer be configured in auto mode, which is the default for releases prior to Release 3.1(1). For instructions about how to modify the configuration of the ports before upgrading to SAN-OS Release 3.1(2a), see the "Reconfiguring SSM Ports Before Upgrading to SAN-OS Release 3.1(2a)" section.
Virtual Router Redundancy Protocol (VRRP) Interfaces
When a switchover occurs on a switch that is the master for Virtual Router Redundancy Protocol (VRRP) interfaces, the switchover may cause a minor delay. As a result, the VRRP backup (occurring elsewhere) may assume the role of the VRRP master. As a workaround, increase the VRRP advertisement interval for these interfaces.
QoS on an MDS 48-port Fibre Channel Module
Due to possible differences in parts per million between the MAC ASICs on both sides of an ISL link, there is a potential throughput issue when running QoS over an ISL on an MDS 48-port Fibre Channel module. Specifically, the user may not see traffic throughput that follows the programmed QoS ratios. The throughput ratio on the high and/or medium priority class of service (COS) relative to the low priority COS, may not be as high as the actual programmed ratio.
If this situation occurs, you can move the ISL to a port on a different port group on one and/or both sides of the link, or move the ISL to a port on a lower-density card if you require accurate QoS ratios.
Maximum Number of Zones Supported in Interop Mode 4
In interop mode 4, the maximum number of zones that is supported in an active zone set is 2047, due to limitations in the connected vendor switch.
When IVR is used in interop mode 4, the maximum number of zones supported, including IVR zones, in the active zone set is 2047. The limit for the maximum number of IVR zones per VSAN is 250 zones (two members per zone).
Configuring Default Settings for the Default Zone
Following an upgrade from any Cisco SAN-OS 2.x release to any Cisco SAN-OS 3.x release, the configuration defined by the zone default-zone permit vsan vsan-id command is applied only to the active VSAN. The configuration does not apply to unconfigured VSANs. In SAN-OS 3.x, you can apply the configuration to unconfigured VSANs by issuing the system default zone default-zone permit command.
Similarly, the zoneset distribute full vsan vsan-id command applies only to the active VSAN following an upgrade from any Cisco SAN-OS 2.x release to any Cisco SAN-OS 3.x release.
Although you can configure the default-zone settings in the setup script, these settings do not take effect for VSAN 1, because VSAN 1 already exits prior to running the setup script. To configure the default settings for the default-zone in VSAN 1, you must explicitly enter the zone default-zone permit command.
Caveats
This section lists the open and resolved caveats for this release. Use Table 10 to determine the status of a particular caveat. In the table, "O" indicates an open caveat and "R" indicates a resolved caveat.
Resolved Caveats
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Symptom: Zone member configuration based on interface domain does not work correctly in Cisco MDS SAN-OS 3.1(1) and3.1(2) when you use CLI commands to configure interface-domain zones.
Workaround: This issue is resolved.
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Symptom: The Performance Manager in Cisco Fabric Manager does not collect and report the correct Fibre Channel flow statistics.
Workaround: This issue is resolved.
Open Caveats
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Symptom: If you bring up more than one link at a time between two VSANs that have overlapping domains and at least one of the switches is SDV enabled, one link will become isolated. The other links will come up, even though the domains are overlapping. In addition, the SDV virtual domains will change, causing traffic disruption on all devices associated with their old value.
Workaround: Bring up multiple links between two switches one at a time. Verify that the first link came up correctly before attempting to bring up the next link. If the first link fails to come up because of a domain ID overlap, resolve the domain conflict and then try again to bring up the links
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Symptom: On large fabrics with many PortChannels, the Fabric Manager Server may consume 99-100% of the CPU for extended periods of time.
Workaround: Restart the Fabric Manager Server.
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Symptom: As a consequence of possible spanning-tree errors, the Cisco MDS 9124 Switch, the Cisco Fabric Switch for HP c-Class BladeSystem, and the Cisco Fabric Switch for IBM BladeCenter stop responding to Telnet and ping commands on the management Ethernet port.
Workaround: Reboot the switch.
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Symptom: Traffic is disrupted in a Cisco MDS 9124 switch, the Cisco Fabric Switch for HP c-Class BladeSystem, and the Cisco Fabric Switch for IBM BladeCenter when a device in an FL port loop goes down. Traffic to other devices that are up in the same FL port loop is also affected, and those devices can no longer enforce hard zoning.
Workaround: Use the shutdown command followed by the no shutdown command to administratively disable and enable the NL port containing the FL loop.
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Symptom: If 2 Gbps or 1 Gbps DWDMs are used with the Cisco MDS 9000 12-port, 24-port, or 48-port Fibre Channel modules, or with the Cisco MDS 9124 Fabric switch, the Cisco Fabric Switch for HP cClass BladeSystem, or the Cisco Fabric Switch for IBM BladeCenter in conjunction with the Nortel OPTera Ethernet service module, the links will not come up.
Workaround: None.
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Symptom: If you are using a Cisco MDS 16-port or 32-port 2-Gbps Fibre Channel switching module, a 4-port or 8-port Gigabit Ethernet IP Storage services module, the Storage Services Module (SSM), or the 14/2-port Multiprotocol Services (MPS-14/2) module and you perform a nondisruptive upgrade to Cisco SAN-OS 3.1(1), 3.1(2), or 3.1(2a), the modules do not correctly route traffic to any new modules that you insert following the upgrade.
Workaround: To workaround this issue, do one of the following:
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Symptom: If there is an interruption to the upgrade process on a given module during an upgrade to Cisco MDS SAN-OS Release 3.1(2), the install all command will fail. This may result in a condition where some modules and supervisors are running SAN-OS 3.1(2) and the remainder of modules in the chassis are running an older version of SAN-OS. You may not be able to execute the install all command again to upgrade the remaining modules to SAN-OS 3.1(2).
If you issue the show install all status command, you may see the following types of messages in the install logs:
Module X: Upgrading Bios/loader/bootrom.
Warning: please do not remove or power off the module at this time.
-- FAIL. Return code 0x40710001 (BIOS versions are identical).
CAUTION: The BIOS/loader/bootrom of above module may be in corrupted state. Please try programming it again and DO NOT reboot without programming it successfully, otherwise you have to manually take out the flash from the card and program it in a BIOS programming station.
Install has failed. Return code 0x40930015 (Pre-upgrade of a module failed).Please identify the cause of the failure, and try 'install all' again.Workaround: Issue the install module module-number image forced hidden command to upgrade the modules that are running the lower version of SAN-OS following the failure of the install all command.
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Symptom: On a 4-Gbps Fibre Channel module, PLOGI accepts were discarded because the port was initially an F port, but had been changed to an E port.
Workaround: To resolve this issue, follow these steps:
1.
2.
3.
4.
5.
6.
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Symptom: 100% CPU utilization was seen on an MDS switch. It was caused by repeated fabric logins (FLOGIs) on a particular port. This situation can occur if a host cannot log in because the allocation of the FC ID fails, and keeps re-trying using a specific pattern of Source FC IDs (S_IDs) for the FLOGI frame.
Workaround: The interface will now be error-disabled for too many FLOGI failures.
To troubleshoot the configuration and find the reason for the FC ID allocation failure, examine the messages in the syslog. Refer to the Cisco MDS 9000 Family CLI Configuration Guide for detailed information about FLOGI, FC IDs, and FC ID allocation for HBAs.
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Symptom: Following an upgrade to Cisco SAN-OS Release 3.1(2), the version information that is managed per module by the system access control list (ACL) software component on the active supervisor has the new, correct version information, but the standby supervisor has the old, incorrect version information. After a system switchover, the standby supervisor becomes the active supervisor, but it has the wrong system ACL module version information. As a result, traffic is disrupted for any new IVR flows that are programmed or modified from that point onwards. Existing IVR flows are not affected.
Workaround: To resolve this issue, follow these steps:
1.
2.
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Symptom: FCIP links may fail on an MDS 9216i switch that has compression set to auto when the other end of the FCIP link is terminated by an IPS-8 module. You may see the following message in the logs:
%IPS_SB_MGR-SLOT1-3-CRYPTO_FAILURE: Heartbeat failure in encryption engine (error 0x1)
%ETHPORT-5-IF_DOWN_SOFTWARE_FAILURE: Interface GigabitEthernet1/1 is down (Port software failure)
%PORT-5-IF_DOWN_SOFTWARE_FAILURE: %$VSAN 1%$ Interface fcip99 is down (Port software failure)Workaround: If both ends of an FCIP link are not on an MPS-14/2 module, do not use mode 1 and auto.
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Symptom: If you install a feature license on any module, then the storage services module (SSM) with the SCSI flow feature will be reprovisioned and write acceleration on the flows will be affected.
Workaround: To work around this issue, please contact Cisco TAC. They can help you recover from this problem by guiding you through the following steps:
1.
2.
3.
4.
5.
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Symptom: A crash might occur in the intelligent line card (ILC) helper process when provisioning or deprovisioning a storage application on the SSM card.
Workaround: If the ILC helper dumps core memory three times, reboot the switch for it to function normally. Use the show cores command to determing if the ILC helper has dumped core memory.
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Symptom: In rare situations, data virtual target (DVT) configurations might disappear following a reload of the SSM or an upgrade to the SSI 3.1(2m) image.
Workaround: Statically define the DVTs using the santap module command, as in the following example:
switch(config)#santap module slot-number dvt target-pwwn target-pwnn target-vsan target-vsan-id dvt-name dvt-name dvt-vsan dvt-vsan-id lun-size-handling 1•
Symptom: Spectra Logic tape drives require a unique area ID.
Workaround: Add the company OUI ID to the swtich database so that the switch can assign unique area IDs to the Spectra Logic tape drives.
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Symptom: When you configure Cisco Traffic Analyzer to capture traffic on one or more interfaces on a Windows platform, the configuration web page might not show that the interface has been selected for traffic capture even though traffic capture on that interface is enabled.
Workaround: Check the logs to clarify that the correct interface has been selected.
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Symptom: If an iSNS client tries to register a portal separately after registering the network entity and storage node object with the Cisco MDS iSNS server, the portal registration might fail.
Workaround: Register the portal at the same time as the network entity and storage node object registration.
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Symptom: If there are IPFC interfaces configured on an SSM, you might experience issues if you downgrade from SAN-OS Release 3.x to Release 2.x.
Workaround: Before downgrading, remove the IPFC interface on the module and then recreate the IPFC interface after the downgrade is complete.
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Symptom: Time zone changes that are executed on an MDS switch do not take effect on the 12-port, 24-port, and 48 port 1-Gbps/2-Gbps/4-Gbps Fibre Channel modules, and on the 4-port 10-Gbps module. This issue occurs in SAN-OS Releases 3.0(1), 3.0(2), 3.0(2a), and 3.0(3).
Time zone changes that are executed on an MDS switch do not take effect on the 16-port or 32-port 1-Gbps/2-Gbps module, on the 4-port or 8-port Gigabit Ethernet IP services module, the MPS 14/2 module, and on the SSM. This issue occurs in SAN-OS Release 3.0(3).
This issue has no effect on functionality. However, debug messages and syslogs from the MDS switching modules will have incorrect timestamps if the time zone is configured on an MDS switch.
Workaround: None.
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Symptom: Graceful shutdowns of ISLs are not supported for IVR traffic.
Workaround: Increase the fspf cost on the link before it is shut down, so that traffic will flow through an alternate path.
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Symptom: Changing fabric credentials from a local SNMP user to a TACACS+ user in Cisco Fabric Manager using server > admin results in a Fabric Manager Server error.
Workaround: Close the fabric and then reopen it using the new TACACS+ user credentials, with Accelerate Discover unchecked.
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Symptom: It is possible for the hardware interface that is used to access SFPs and temperature sensors on modules to lock up. This inhibits the detection of a subsequent removal or insertion of an SFP and results in the failure to read a module's temperature sensors.
Workaround: Reload the module to recover the sensor.
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Symptom: When compression is enabled on an FCIP link, the throughput on the GigabitEthernet interface may be reduced, as compared to uncompressed throughput. Depending on the data pattern, this may or may not impact application throughput.
Workaround: If application throughput is reduced, disable compression on the FCIP link.
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Symptom: Under rare circumstances, a customer running the Cisco MDS SAN-OS SANTap feature with EMC RecoverPoint might find that following a reload of the SSM module, the SSM CVT is stuck in UNKNOWN status in the RecoverPoint appliance.
Workaround: None.
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Symptom: On an MDS switch with dual supervisor modules, the bootflash on the standby supervisor is replaced with a new bootflash. Then there is a system switchover. Then the bootflash on the new standby supervisor (which was previously the active supervisor) is replaced. The copy running-config startup-config command is used to save the configuration, but the console speed does not get saved. Instead, the console speed is reset to 9600.
Workaround: After you replace the bootflash and the standby supervisor boots up, issue the copy running-config startup-config command to synchronize the configuration from the active supervisor to the standby supervisor.
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Symptom: An association call from a VSAN to its logical switch returns a particular WWN, but an association call from the physical system to the virtual system does not return the same WWN, which indicates that the logical switch is not associated to the physical switch.
Workaround: None.
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Symptom: If the limit of 5000 iSCSI sessions is reached and new initiators try create sessions, a memory leak may occur.
Workaround: Do not exceed the 5000 session limit.
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Symptom: In Cisco Fabric Manager Release 3.1(1), some tables in the database are cleared after a fabric is persisted to the database. This causes Fabric Manager Client to show empty ISLs or end ports in the Inventory page, as well as zero ISLs, zero end ports, or zero flows in the Performance page.
Workaround: None.
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Symptom: In rare situations, an upgrade to Cisco MDS SAN-OS 3.0(3) or higher may cause an MDS 9000 16-port Fibre Channel switching module to reload during the upgrade process. After the upgrade image is loaded on the module, a memory manager process reads the hardware to restore itself to its pre-upgrade state. While doing so, it finds an invalid entry in memory and then crashes while trying to process that entry. As a result, the module reloads, which clears the invalid entry and the module then comes up fully operational. However, the module reload may abort the upgrade process and the remaining modules may require manual upgrades.
You may see syslog messages similar to the following:
2007 Apr 2 11:15:35 MDS1 %IMAGE_DNLD-SLOT1-2-IMG_DNLD_STARTED: Module image
download process. Please wait until completion...
2007 Apr 2 11:15:49 MDS1 %IMAGE_DNLD-SLOT1-2-IMG_DNLD_COMPLETE: Module image
download process. Download successful.
2007 Apr 2 11:16:59 MDS1 %ACL-2-ACL_LINECARD_STATUS: Status from
linecard: 0, for module: acltcam(ID: 0), status : 0, error_id: 0x40320002,
catastrophic: FALSE, restart count: 0.
2007 Apr 2 11:17:48 MDS1 %ACL-2-ACL_LINECARD_STATUS: Status from
linecard: 0, for module: acltcam(ID: 0), status : 0, error_id: 0x40320002,
catastrophic: TRUE, restart count: 2.
2007 Apr 2 11:17:48 MDS1 %MODULE-5-MOD_REINIT: Re-initializing module 1(serial: xyz)
2007 Apr 2 11:18:07 MDS1 %PLATFORM-5-MOD_DETECT: Module 1 detected (Serial number xyz)
2007 Apr 2 11:18:07 MDS1 %PLATFORM-5-MOD_PWRUP: Module 1 powered up (Serial number xyz) ..
2007 Apr 2 11:18:53 MDS1 %MODULE-5-MOD_OK: Module 1 is online (serial: xyz)Workaround: Upgrade to Cisco MDS SAN-OS Release 3.1(3). Alternatively, check for invalid hardware entries before attempting an upgrade. If no such entries are found, then the upgrade process will not encounter this issue. The following example shows the commands you can use to check for invalid entries on a module:
switch#attach module <module number>
module-<n>#show process acltcam luxor 0 input dump | exclude e00000000000000000 | include ": e"
module-<n># show process acltcam luxor 0 input dump | exclude e00000000000000000 | include ": f"
module-<n>#show process acltcam luxor 0 output dump | exclude e00000000000000000 | include ": e"
module-<n>#show process acltcam luxor 0 output dump | exclude e00000000000000000 | include ": f"
module-<n>#show process acltcam luxor 1 input dump | exclude e00000000000000000 | include ": e"
module-<n>#show process acltcam luxor 1 input dump | exclude e00000000000000000 | include ": f"
module-<n>#show process acltcam luxor 1 output dump | exclude e00000000000000000 | include ": e"
module-<n>#show process acltcam luxor 1 output dump | exclude e00000000000000000 | include ": f"•
Symptom: If some initiator or target ports do not register correctly with the Fibre Channel name server, the Performance Manager will not collect statistics even though they appear in the Inventory table.
Workaround: None.
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Symptom: When Cisco Fabric Manager receives a fcnsCreated trap on a moved port, it does not remove the old VSAN membership unless you rediscover the fabric.
Workaround: Trigger a fabric discovery from the Fabric Manager client by selecting File > Rediscover.
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Symptom: Cisco Fabric Manager may display a licensed fabric as unlicensed in the Open Fabric dialog box.
Workaround: Click the Refresh button to update the license information.
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Symptom: If you remove a fan tray module from an MDS 9500 series switch that is running Cisco MDS SAN-OS Release 3.0(1), 3.0(2), 3.0(2a) 3.0(2b), 3.0(3), 3.1(1), 3.1(2) or 3.1(2a), the switch shuts down if you do not replace the fan tray module within 170 seconds. (In all other SAN-OS releases, you have 250 seconds to replace it.)
Workaround: None.
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Symptom: The SNMP Getbulk request in Cisco SAN-OS 3.1(1) does not work correctly when the non-repeaters argument is set to a number other than zero. This results in an erroneous error.
Workaround: Set the non-repeaters argument to zero when issuing SNMP Getbulk requests.
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Symptom: If the Fabric Manager client loses connectivity to the Fabric Manager server, the client displays the error "no such object in table." The user is then unable to manage the fabric.
Workaround: Close the Fabric Manager client and restart it.
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Symptom: The export utility in Performance Manager does not work correctly in Cisco SAN-OS 3.1(2a).
Workaround: None.
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Symptom: If an interface index map is not programmed correctly, the Port Manager continues to bring up the port, which results in an ACL programming failure and the following error message:
%ZONE-2-ZS_TCAM_PROGRAMMING_FAILED: %$VSAN xxx%$ TCAM operation failed : Unknown, Reason: idxmap ioctl failureBecause of the programming failure, the port is effectively useless, even though it is up.
Workaround: None.
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Symptom: If there are IVR-NAT rewrite rules for FCIP interfaces on an MDS 9000 MPS-14/2 module in an IVR border switch, updates or modifications of the rewrite rules may fail after the MPS-14/2 module is upgraded to SAN-OS 3.1(2x) or lower. Stale IVR-NAT rules are left on the FCIP interfaces rather than the required IVR-NAT rules, and this impacts IVR traffic over the FCIP link.
There is no impact on traffic unless and until IVR rewrite rules need to be modified after an upgrade. However, if the IVR rewrite information changes (such as when a virtual domain ID changes) because of other events taking place in the fabric, then the stale IVR rewrite rules continue to re-write the frames entering the FCIP interface with the old rewrite information. This may result in frames with an invalid rewritten destination ID getting dropped or incorrectly forwarded in the network. Frames with a source ID that is incorrectly rewritten will eventually be rejected or incorrectly interpreted by the destination device.
Workaround: Upgrade to Cisco MDS SAN-OS Release 3.1(3). Otherwise, use one of the following workarounds:
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Symptom: When creating a new VSAN through Fabric Manager or through a script that can create a VSAN on each switch at the same time, the same domain ID is created for each switch. This causes the newly-created VSAN to be segmented on all links.
Workaround: Either create the VSAN using static domain IDs, or use the CLI to create new VSANs at different times.
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Symptom: An SNMP Get-Next Request for the MIB object ip.ipAddrTable.ipAddrEntry.ipAdEntIfIndex on an MDS 9000 switch resolves by asking ifIndex for a loopback address. Because there is no hardware (ifIndex) for a loopback address, the ifIndex reply for this interface is skipped and the next possible instance of the object, which is IP-MIB::ipAdEntNetMask, is returned.
Workaround: There are two ways you can work around this issue. Do one of the following:
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•
Symptom: A fibre channel port on an MDS switching module remained out-of-service after the port was put back in service. As a result, it was not possible to configure the port.
Workaround: To put the module back in service, enter the commands shown in this example:
switch(config)#poweroff module slot-number
switch# purge module slot-number running-config
switch(config)# no poweroff module slot-numberConfigure the module again because the previous configuration will be lost.
•
Symptom: Following a Cisco SAN-OS software upgrade or downgrade, certain ports get stuck in link failure or in a not-connected state, even though the same SFP, cable, host, or storage device works in other ports on the same module.
Workaround: Reload the module, or contact Cisco TAC for a less disruptive workaround.
•
Symptom: When an fcalias is added as a zone member or a zone is added to a zone set via SNMP, there is an SNMPD memory leak.
Workaround: None.
•
Symptom: A data path processor (DPP) might fail on an MDS switch running Cisco SAN-OS Release 3.1(2b) with an SSM running SSI Release 3.1(2m) and with the SANTap feature provisioned. The failure occurs while the DPP is processing an unexpected transfer ready message.
Workaround: None.
•
Symptom: The RMON 64-bit alarms table can show large values as negative numbers.
Workaround: None.
•
Symptom: When enhanced zoning is enabled, an empty pop-up window displays in Fabric Manager after a zone set activation completes.
Workaround: None.
•
Symptom: For passwords authenticated by an AAA server, the MDS switch should inform the user when their password is about to expire.
Workaround: This is an enhancement. It is available only for CLI logins. Fabric Manager and Device currently do not support this feature.
•
Symptom: During a Fabric Manager upgrade, the following files were not preserved: AAA.properties and emccallhome.properties.
Workaround: None.
Related Documentation
The documentation set for the Cisco MDS 9000 Family includes the following documents. To find a document online, use the Cisco MDS SAN-OS Documentation Locator at this URL: http://www.cisco.com/en/US/customer/products/ps5989/products_documentation_roadmap09186a00804500c1.html
For information on IBM TotalStorage SAN Volume Controller Storage Software for the Cisco MDS 9000 Family, refer to the IBM TotalStorage Support website: http://www.ibm.com/storage/support/2062-2300/Release Notes
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Compatibility Information
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Regulatory Compliance and Safety Information
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Hardware Installation
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Cisco Fabric Manager
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Command-Line Interface
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Troubleshooting and Reference
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Installation and Configuration Note
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Obtaining Documentation, Obtaining Support, and Security Guidelines
For information on obtaining documentation, obtaining support, providing documentation feedback, security guidelines, and also recommended aliases and general Cisco documents, see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
This document is to be used in conjunction with the documents listed in the "Related Documentation" section.
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Posted: Wed Oct 24 11:27:45 PDT 2007
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