Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.0(4) (OL-21012-02, November 2010)

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Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.0(4)
OL-21012-02
Caveats
Symptom: An IOA flow can take a few seconds to become active in certain events such as host or
target port flaps. PLOGIs from the hosts are buffered until the IOA flow becomes active. Once the
IOA flow becomes active, a RSCN is sent, which forces the host to perform a PLOGI again. Certain
target arrays perform a few back-to-back PLOGIs prior to the flow becoming active, which may
cause automatic path recovery to fail.
Workaround: This issue is resolved.
• CSCti00670
Symptom: The system reboots when IVR fails.
Workaround: This issue is resolved.
• CSCsx33891
Symptom: In rare circumstances, the SANTap process or SME process might fail on an MDS switch
running NX-OS Release 4.1(x) software. If the process fails on an MDS 9222i switch, then a full
switch reload might occur.
Workaround: This issue is resolved.
• CSCtb43279
Symptom: The wwn_manager process might fail after ports are flapped because the internal system
manager does not received a heartbeat from the process.
Workaround: This issue if resolved.
• CSCte93219
Symptom: If you have an MDS 9000 switch running NX-OS Release 5.0(1a) and also running
DMM or Secure Erase, when you downgrade to an NX-OS 4.x release, you see the following errors:
– Syslog messages display the error string PSS_VERSION_MISMATCH for the configuration of
an internal service (ilc_helper)
– After the ISSD completes and the switch comes up with the NX-OS 4.x release, an internal
process (ilc_helper) fails.
Workaround: This issue is resolved.
• CSCtg11776
Symptom: On a switch where AAA remote authentication was configured, scheduled jobs started
failing approximately 24 to 48 hours after they were configured because the scheduler
aaa-authentication command did not appear in the running configuration.
Workaround: This issue is resolved.
• CSCtg86355
Symptom: Quoted strings are not permitted in a Call Home configuration for the following values:
customer ID and site ID.
Workaround: This issue is resolved.
• CSCth20253
Symptom: The data path processor engine on the MSM-18/4 module occasionally fails after an
exchange error occurs between an initiator and target in an IOA cloud. The error occurs because the
tape write takes a long time to complete and IOA on the target side MDS 9000 switch tries to abort
the exchange.
Workaround: This issue is resolved.
• CSCth21404