Flashes (Alerts)
Abstract
Before a Spectrum Virtualize system is upgraded to 8.3.1.1 software, any attached Cisco MDS switch must be running Cisco 8.4(1) or later firmware.
Upgrading the Spectrum Virtualize system to 8.3.1.1 with a Cisco switch running earlier firmware may result in loss of access for attached hosts.
8.3.1.2 and later are not exposed to this issue.
Content
Spectrum Virtualize 8.3.1 introduces support for Fibre Channel Buffer-to-Buffer State Change Notification (BBSCN).
Cisco MDS switches running firmware earlier than Cisco 8.4(1) do not fully support BBSCN, meaning that NPIV target ports on the Spectrum Virtualize may not be able to log in to the switch. This would result in loss of access for hosts.
Upgrade to Cisco's recommended switch firmware version (at least Cisco 8.4(1)) before upgrading Spectrum Virtualize software to 8.3.1.1.
If the Spectrum Virtualize system has already upgraded been upgraded to V8.3.1 and there has been no loss of host or fabric connectivity, then no urgent action is required. Otherwise upgrade the Cisco firmware as soon as possible.
If the Spectrum Virtualize system has already upgraded been upgraded to V8.3.1 and there has been no loss of host or fabric connectivity, then no urgent action is required. Otherwise upgrade the Cisco firmware as soon as possible.
Note: 8.3.1.2 contains APAR HU02182 which prevents this issue from occurring. Therefore, the requirement to upgrade Cisco firmware does not apply to 8.3.1.2 and later.
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Document Information
Modified date:
28 March 2023
UID
ibm16202655