S e n d d o c u m e n t a t i o n c o m m e n t s t o n x 5 0 0 0 - d o c f e e d b a c k @ c i s c o . c o m
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Resolved Caveats—Cisco NX-OS Release 4.0(0)N1(2)
This section lists the resolved caveats for this release.
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OL-16601-01
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 Cisco 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 Cisco
Nexus 5000 Series switch operates in the NPV mode under conditions such as the following:
The switch is reloaded.
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NPIV is disabled and re-enabled on the NPV core-switch.
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The NPV core-switch is reloaded.
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A new NP link is added.
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Workaround: Perform shut and no shut command operations on all the server ports to rebalance
the logins.
CSCsu25775
Symptom: When the Cisco 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
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operating system incorrectly logs the warning message.
The show environment power command incorrectly displays the available power as a negative
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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.
CSCsq61505
Symptom: Problems are encountered while upgrading to Cisco NX-OS Release 4.0(0)N1(2) from
Cisco NX-OS Releases 4.0(0)N1(1) or 4.0(0)N1(1a).
Workaround: None.
Cisco Nexus 5000 Series and Cisco Nexus 2000 Series Release Notes, Release 4.1(3)N1(1)
Caveats
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