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Table Of Contents
Cisco MDS 9020 Fabric Switch Release Notes
for Cisco MDS 9000 FabricWare Release 2.1(3)Software and Hardware Supported
Determining the Software Version
Minimum SAN-OS Release for Mixed Fabric with Other MDS 9000 Switches
Regulatory Compliance and Safety Information
Cisco Product Security Overview
Reporting Security Problems in Cisco Products
Obtaining Technical Assistance
Cisco Technical Support & Documentation Website
Definitions of Service Request Severity
Obtaining Additional Publications and Information
Cisco MDS 9020 Fabric Switch Release Notes
for Cisco MDS 9000 FabricWare Release 2.1(3)
Release Date: September 5, 2006
Text Part Number: OL-6990-02 A0
This document describes the caveats and limitations for the Cisco MDS 9020 Fabric Switch. Use this document in conjunction with the documents listed in the "Related Documentation" section.
Contents
This document includes the following sections:
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Cisco Product Security Overview
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Table 1 shows the online change history for this document.
Introduction
The Cisco MDS 9020 Fabric Switch offers Fibre Channel fabric-switching services that enable maximum performance and ensure high reliability. This switch combines robust and flexible hardware architecture and storage management intelligence. This powerful combination enables highly available, scalable storage networks that provide advanced security and unified management features. The Cisco MDS 9020 Fabric Switch provides essential storage networking features that include advanced security, debug tools, and unified SAN management.
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System Requirements
This section describes the system requirements for Cisco MDS 9000 FabricWare Release 2.1(3) and includes the following topics:
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Software and Hardware Supported
Table 2 lists the software and hardware components supported by the Cisco MDS 9020 Fabric Switch.
Table 2 Cisco MDS 9020 Fabric Switch Software and Hardware Components
Software
M90S1K9-2.1.3
MDS 9020 Supervisor/Fabric-I, FabricWare Release 2.1(3)
MDS 9020 switch
Chassis
DS-C9020-20K9
MDS 9020 20-Port 4-Gbps Fibre Channel Fabric Switch
MDS 9020 switch
LC-type fiber-optic SFP1
DS-SFP-FC4G-SW
1-, 2- or 4-Gbps Fibre Channel — short wavelength SFP
MDS 9000 Family
DS-SFP-FC4G-MR
1-, 2- or 4-Gbps Fibre Channel — long wavelength SFP
MDS 9000 Family
DS-SFP-FC4G-LW
1-, 2- or 4-Gbps Fibre Channel — long wavelength SFP
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
Determining the Software Version
Note
To determine the version of the Cisco MDS 9000 FabricWare software currently running on a Cisco MDS 9020 Fabric Switch using the CLI, log into the switch and enter the show version EXEC command.
To determine the version of the Cisco MDS 9000 FabricWare software currently running on a Cisco MDS 9020 Fabric Switch using the Fabric Manager, from the Switches tab in the information pane, locate the switch using its IP address, logical name, or WWN, and then check its version in the Release column.
Image Upgrade
The Cisco MDS 9000 FabricWare software is designed for high availability environments. As new software releases become available, you can nondisruptively upgrade the switch.
To perform an automated software upgrade on a switch, follow these steps:
Step 1
Step 2
Step 3
switch#copy ftp://10.20.102.98/firmware/latest_mpc volatile:latest_mpcStep 4
switch#install all system volatile:latest_mpcPerforming configuration copy.[########################################]
100%Unpacking image - this may take several seconds...Step 5
If the configuration meets all guidelines when the install all command is entered, the switch is upgraded.
For additional information about upgrading your software image, refer to the "Software Images" chapter of the Cisco MDS 9020 Fabric Switch Configuration Guide and Command Reference, Release 2.x.
Note
Limitations and Restrictions
This section lists the limitations and restrictions for this release.
Merging Fabrics
You must only configure pWWN-type zoning on an MDS switch running Cisco SAN-OS if there is a Cisco MDS 9020 switch running FabricWare in the same fabric to avoid Inter-Switch Link (ISL) isolation. It is important to remove all non-pWWN-type zone entries in the VSAN that connects to the Cisco MDS 9020 switch, prior to merging fabrics.
For additional information on zoning, refer to the Cisco MDS 9020 Fabric Switch Configuration Guide and Command Reference.
Minimum SAN-OS Release for Mixed Fabric with Other MDS 9000 Switches
Cisco SAN-OS Release 2.1(2b) is the minimum software release that must be running on a Cisco MDS 9000 Family switch that is installed in the same fabric with a Cisco MDS 9020 switch.
Caveats
This section lists the open and resolved caveats for this release. Use Table 3 to determine the status of a particular caveat. In the table, "R" indicates a resolved caveat, and "O" indicates an open caveat.
Table 3 Caveats for Cisco MDS 9020 FabricWare Release 2.1(3)
R
O
R
R
R
R
R
R
R
O
R
O
R
O
Resolved FabricWare Caveats
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Symptom: After successive switch offline/online changes, SNMP may crash due to an inadequate time-stamp buffer.
Workaround: None.
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Symptom: SNMP coldstart traps return wrong OIDs for both SNMP v1 and v2.
Workaround: None.
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Symptom: The date or time randomly advances after switch resets and power cycles.
Workaround: None.
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Symptom: The firmware upgrade check is incorrect, which disallows upgrading to future releases.
Workaround: None.
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Symptom: The firmware does not support Large-block NAND flash.
Workaround: None.
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Symptom: With the Emulex LP9002 HBAs, it may take up to 2 minutes for the HBA to log in when performing a cable pull or reinsertion.
Workaround: None.
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Symptom: When using the AB378A 4-Gbps HBA, the link is not reset following the loop initialization and before the FLOGI.
Workaround: None.
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Symptom: Some ports report the last change time inaccurately.
Workaround: None.
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Symptom: Excessive CRC errors occur on a 4-Gbps link transferring a specific data pattern.
Workaround: None.
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Symptom: Using a zone name or zone set name that is the same as the switch name that appears as the CLI prompt causes an error when you edit the zone or zone set through Cisco Fabric Manager.
Workaround: Change either the zone set name, the zone name, or the CLI prompt
Open FabricWare Caveats
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Symptom: If a Cisco MDS 9020 switch is used as the seed switch for Fabric Manager discovery in a mixed fabric of Cisco MDS 9000 Series switches, some ISL links might be missing.
Workaround: Use a Cisco MDS 9100, Cisco MDS 9200, or Cisco MDS 9500 Series switch as the seed switch or rediscover the network if it is not possible to have them as seed switches.
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Symptom: When a fabric including a Cisco MDS 9020 Fabric Switch and third-party devices is discovered using Fabric Manager, where the Cisco MDS 9020 Fabric Switch is used as a seed for the discovery, the map might not display some of the end devices (hosts and disks) connected to the third-party switches. When the zone with these devices is highlighted on the Fabric Manager map, the devices on the third-party switches are shown as "not in fabric." The CLI displays for FCNS and zone information are correct.
Workaround: None.
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Symptom: When an SFP is inserted into a Cisco MDS 9020 Fabric Switch, the initial state of the switch may indicate that the SFP is absent.
Workaround: Issue the shutdown/no shutdown commands on the switch port to put the port in the correct state.
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Symptom: If you are running Cisco FabricWare 2.1(3) on a Cisco MDS 9020 Fabric Switch that is managed by a version of Cisco Fabric Manager or Device Manager that is earlier than Release 2.1(3), Cisco Fabric Manager or Device Manager will ask you if you want to upgrade. If you respond yes to this prompt, the upgrade will fail because Cisco Fabric Manager or Device Manager cannot be upgraded from the MDS 9020 switch.
Workaround: Do not respond yes to this prompt because Cisco Fabric Manager or Device Manager cannot be upgraded from the MDS 9020 switch.
If you wish to upgrade Cisco Fabric Manager or Device Manager, download the appropriate JAR file from this location:
http://www.cisco.com/cgi-bin/tablebuild.pl/mds-fmRelated Documentation
This section lists the Cisco MDS 9000 FabricWare related documentation. For information on the entire Cisco MDS 9000 Family documentation set, use the Cisco MDS SAN-OS Documentation Locator at: http://www.cisco.com/en/US/products/ps5989/products_documentation_roadmap09186a00804500c1.html.
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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Obtaining Documentation
Cisco documentation and additional literature are available on Cisco.com. Cisco also provides several ways to obtain technical assistance and other technical resources. These sections explain how to obtain technical information from Cisco Systems.
Cisco.com
You can access the most current Cisco documentation at this URL:
http://www.cisco.com/techsupport
You can access the Cisco website at this URL:
You can access international Cisco websites at this URL:
http://www.cisco.com/public/countries_languages.shtml
Product Documentation DVD
Cisco documentation and additional literature are available in the Product Documentation DVD package, which may have shipped with your product. The Product Documentation DVD is updated regularly and may be more current than printed documentation.
The Product Documentation DVD is a comprehensive library of technical product documentation on portable media. The DVD enables you to access multiple versions of hardware and software installation, configuration, and command guides for Cisco products and to view technical documentation in HTML. With the DVD, you have access to the same documentation that is found on the Cisco website without being connected to the Internet. Certain products also have .pdf versions of the documentation available.
The Product Documentation DVD is available as a single unit or as a subscription. Registered Cisco.com users (Cisco direct customers) can order a Product Documentation DVD (product number DOC-DOCDVD=) from Cisco Marketplace at this URL:
http://www.cisco.com/go/marketplace/
Ordering Documentation
Beginning June 30, 2005, registered Cisco.com users may order Cisco documentation at the Product Documentation Store in the Cisco Marketplace at this URL:
http://www.cisco.com/go/marketplace/
Nonregistered Cisco.com users can order technical documentation from 8:00 a.m. to 5:00 p.m. (0800 to 1700) PDT by calling 1 866 463-3487 in the United States and Canada, or elsewhere by calling 011 408 519-5055. You can also order documentation by e-mail at tech-doc-store-mkpl@external.cisco.com or by fax at 1 408 519-5001 in the United States and Canada, or elsewhere at 011 408 519-5001.
Documentation Feedback
You can rate and provide feedback about Cisco technical documents by completing the online feedback form that appears with the technical documents on Cisco.com.
You can submit comments by using the response card (if present) behind the front cover of your document or by writing to the following address:
Cisco Systems
Attn: Customer Document Ordering
170 West Tasman Drive
San Jose, CA 95134-9883We appreciate your comments.
Cisco Product Security Overview
Cisco provides a free online Security Vulnerability Policy portal at this URL:
http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html
From this site, you can perform these tasks:
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A current list of security advisories and notices for Cisco products is available at this URL:
If you prefer to see advisories and notices as they are updated in real time, you can access a Product Security Incident Response Team Really Simple Syndication (PSIRT RSS) feed from this URL:
http://www.cisco.com/en/US/products/products_psirt_rss_feed.html
Reporting Security Problems in Cisco Products
Cisco is committed to delivering secure products. We test our products internally before we release them, and we strive to correct all vulnerabilities quickly. If you think that you might have identified a vulnerability in a Cisco product, contact PSIRT:
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An emergency is either a condition in which a system is under active attack or a condition for which a severe and urgent security vulnerability should be reported. All other conditions are considered nonemergencies.
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In an emergency, you can also reach PSIRT by telephone:
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Tip
Never use a revoked or an expired encryption key. The correct public key to use in your correspondence with PSIRT is the one linked in the Contact Summary section of the Security Vulnerability Policy page at this URL:
http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html
The link on this page has the current PGP key ID in use.
Obtaining Technical Assistance
Cisco Technical Support provides 24-hour-a-day award-winning technical assistance. The Cisco Technical Support & Documentation website on Cisco.com features extensive online support resources. In addition, if you have a valid Cisco service contract, Cisco Technical Assistance Center (TAC) engineers provide telephone support. If you do not have a valid Cisco service contract, contact your reseller.
Cisco Technical Support & Documentation Website
The Cisco Technical Support & Documentation website provides online documents and tools for troubleshooting and resolving technical issues with Cisco products and technologies. The website is available 24 hours a day, at this URL:
http://www.cisco.com/techsupport
Access to all tools on the Cisco Technical Support & Documentation website requires a Cisco.com user ID and password. If you have a valid service contract but do not have a user ID or password, you can register at this URL:
http://tools.cisco.com/RPF/register/register.do
Note
Submitting a Service Request
Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3 and S4 service requests are those in which your network is minimally impaired or for which you require product information.) After you describe your situation, the TAC Service Request Tool provides recommended solutions. If your issue is not resolved using the recommended resources, your service request is assigned to a Cisco engineer. The TAC Service Request Tool is located at this URL:
http://www.cisco.com/techsupport/servicerequest
For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone. (S1 or S2 service requests are those in which your production network is down or severely degraded.) Cisco engineers are assigned immediately to S1 and S2 service requests to help keep your business operations running smoothly.
To open a service request by telephone, use one of the following numbers:
Asia-Pacific: +61 2 8446 7411 (Australia: 1 800 805 227)
EMEA: +32 2 704 55 55
USA: 1 800 553-2447For a complete list of Cisco TAC contacts, go to this URL:
http://www.cisco.com/techsupport/contacts
Definitions of Service Request Severity
To ensure that all service requests are reported in a standard format, Cisco has established severity definitions.
Severity 1 (S1)—Your network is "down," or there is a critical impact to your business operations. You and Cisco will commit all necessary resources around the clock to resolve the situation.
Severity 2 (S2)—Operation of an existing network is severely degraded, or significant aspects of your business operation are negatively affected by inadequate performance of Cisco products. You and Cisco will commit full-time resources during normal business hours to resolve the situation.
Severity 3 (S3)—Operational performance of your network is impaired, but most business operations remain functional. You and Cisco will commit resources during normal business hours to restore service to satisfactory levels.
Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or configuration. There is little or no effect on your business operations.
Obtaining Additional Publications and Information
Information about Cisco products, technologies, and network solutions is available from various online and printed sources.
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http://www.cisco.com/go/marketplace/
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•
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http://www.cisco.com/go/iqmagazine
or view the digital edition at this URL:
http://ciscoiq.texterity.com/ciscoiq/sample/
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http://www.cisco.com/en/US/products/index.html
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http://www.cisco.com/discuss/networking
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http://www.cisco.com/en/US/learning/index.html
This document is to be used in conjunction with the documents listed in the "Related Documentation" section.
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