![]() Nodes that are members of VSANs traversing an FCIP ISL are impacted, and a fabric reconfiguration may occur. O IP Storage (IPS) Ports: Traffic on IPS ports on Cisco MDS 9250i, and Cisco MDS 24/10-Port SAN Extension Modules is disrupted during an upgrade or downgrade. See the “ Open Systems Nondisruptive Upgrade Paths” section for all MDS NX-OS releases. O Fibre Channel over Ethernet (FCoE) Ports: FCoE ports can be nondisruptively upgraded without affecting traffic on the ports. O Fibre Channel Ports: Fibre Channel ports can be nondisruptively upgraded without affecting traffic on the ports. Some features are impacted whether an upgrade is disruptive or nondisruptive:.Issue the show install all impact upgrade-image command to determine if the upgrade will be nondisruptive.Install and configure dual supervisor modules before the upgrade. ![]() This section lists the general guidelines for performing a software upgrade: Open Systems Nondisruptive Upgrade Pathsįor detailed instructions for performing a software upgrade using Cisco NDFC, see Cisco NDFC Release Notes.This section lists the guidelines recommended for upgrading Cisco MDS NX-OS software image and includes the following topics: For more information on releases that are IBM FICON qualified, see. For information about other releases, refer to the Release Notes on the Cisco MDS 9000 NX-OS and SAN-OS Software documentation page.įor Cisco recommended MDS NX-OS releases for each type of hardware, see the Recommended Releases for Cisco MDS 9000 Series Switches document.įor information on supported software and hardware components, see the Cisco MDS 9000 Series Compatibility Matrix.Ĭisco MDS NX-OS Release 8.4(2f) is not IBM FICON qualified. After an initial release, minor version numbers of the train are incremented, and only security patches and defect fixes are added, providing better stability to the new features and updated security.ĭetails about the new features and hardware supported by Cisco MDS NX-OS Release 8.4(2f) can be found in the New Hardware and Software Features section. Because of the focus on new features and hardware, all defects may not yet have been fixed. Cisco MDS NX-OS major versions are incremented when significant software features or hardware support are added. Ĭhoosing Between Cisco MDS NX-OS Open Systems ReleasesĬisco uses release numbering to indicate the maturity of a Cisco MDS NX-OS release train. To download new Cisco MDS 9000 Series software, including Cisco MDS NX-OS and Cisco NDFC management software, go to the Storage Networking Software download website at. For more information on the image names for each Cisco MDS switch, see the Cisco MDS 9000 NX-OS Software Upgrade and Downgrade Guide, Release 8.x. The versions of both images must match for the system to boot.Įach model of Cisco MDS switch has unique kickstart and system images. These images can be upgraded or downgraded to different versions. The Cisco MDS NX-OS software consists of two images: the kickstart image and the system image. The Cisco MDS NX-OS operating system is shipped with the Cisco MDS 9000 Series Switches. Layering a rich set of intelligent features onto a high-performance switch fabric, the Cisco MDS 9000 Series has the flexibility to fit small deployments as well as to addresses the stringent requirements of large data center storage environments: high availability, security, scalability, ease of management, and seamless integration of new technologies. The Cisco MDS 9000 Series of Multilayer Directors and Fabric Switches provide best-in-class high availability, scalability, security, and management, that enables to deploy high-performance storage area networks. Slow Drain Detection and Congestion Isolation. ![]() ![]() Fibre Channel Read Diagnostic Parameters.Virtual Router Redundancy Protocol (VRRP). ![]()
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