HP Cisco MDS 9134 Cisco Nexus 5000 Series Release Notes, Release 4.0(1a)N1(1) - Page 19
Resolved Caveats-Cisco NX-OS Release 4.0(0)N1(2), Symptom, Workaround, no shut
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Caveats Send documentation comments to [email protected] • CSCsu32247 Symptom: The Nexus 5000 Series switch executes the power-on self-test (POST) at bootup to validate hardware integrity of the ASICs. When a Fibre Channel port is connected to a host bus adapter (HBA), the HBA driver can trigger a signal loss that causes a false failure to be reported by POST for one of the ASICs. As a result, all the ports serviced by the ASIC on the GEM are marked for hardware failure. Workaround: Do not connect HBAs to the FC expansion modules. • CSCsu40126 Symptom: When the Nexus 5000 Series switch is configured to operate in the N-port virtualization (NPV) mode, the LOGOs received over the server port are not processed properly. This results in stale Fibre Channel IDs at the switch. Workaround: Perform shut and no shut command operations on all the server ports to clear the stale state on the NPV switch. • CSCsm66194 and CSCsr66209 Symptom: Logins may not be uniformly balanced across all available border ports when the Nexus 5000 series switch operates in the NPV mode under conditions such as the following: • The switch is reloaded. • NPIV is disabled and re-enabled on the NPV core-switch. • The NPV core-switch is reloaded. • A new NP link is added. Workaround: Perform shut and no shut command operations on all the server ports to rebalance the logins. • CSCsu25775 Symptom: When the Nexus 5020 Series switch is connected to a 110 V power supply, the following problems occur: • The syslog displays warnings at bootup. Although the hardware supports the 110 V input, the operating system incorrectly logs the warning message. • The show environment power command incorrectly displays the available power as a negative value. Workaround: The problem is not significant and the system operates normally with 110 V power supply input. There is no workaround to avoid the syslog message. Resolved Caveats-Cisco NX-OS Release 4.0(0)N1(2) This section lists the resolved caveats for this release. • CSCsq61505 Symptom: Problems are encountered while upgrading to Release 4.0(0)N1(2) from Releases 4.0(0)N1(1) or 4.0(0)N1(1a). Workaround: None. OL-16601-01 Cisco Nexus 5000 Series Release Notes, Release 4.0(1a)N1(1) 19