HP Cisco MDS 9020 Cisco MDS 9000 Family Release Notes for Cisco MDS SAN-OS Rel - Page 20
New Features in Cisco MDS SAN-OS Release 3.1(2a), Limitations and Restrictions
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New Features in Cisco MDS SAN-OS Release 3.1(2a) Send documentation comments to [email protected] • Downgrade the SSI boot images on the SSMs on the switch to a release version supported by your Cisco SAN-OS release. Refer to the Cisco MDS SAN-OS Release Compatibility Matrix for Storage Service Interface Images. • SSM intelligent services traffic switching on SSM ports is disrupted on upgrades or downgrades. • Fibre Channel switching traffic on SSM ports is not disrupted under the following conditions: - All SSM applications are disabled. Use the show ssm provisioning CLI command to determine if any applications are provisioned on the SSM. Use the no ssm enable feature configuration mode CLI command to disable these features. - The EPLD version on the SSM is at 0x07 or higher. Use the show version module slot epld CLI command to determine your EPLD version. Refer to the Cisco MDS 9000 Family Release Notes for Cisco MDS 9000 EPLD Images to upgrade your EPLD image. - Refer to the Cisco MDS Storage Services Module Interoperability Support Matrix and to the "Managing Modules" chapter in the Cisco MDS 9000 Family CLI Configuration Guide, Release 3.x for information on downgrading your SSM. 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 These release notes are specific to this release. For the complete Release 3.x documentation set, see the "Related Documentation" section on page 25. There are no new features in Cisco MDS SAN-OS Release 3.1(2a). 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. Cisco MDS 9000 Family Release Notes for Cisco MDS SAN-OS Release 3.1(2a) 20 OL-12208-03