Switchover Guidelines; Verifying Switchover Possibilities - Cisco AP776A - Nexus Converged Network Switch 5020 Configuration Manual

Chapter 10 Configuring High Availability
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 m d s f e e d b a c k - d o c @ c i s c o . c o m

Switchover Guidelines

Be aware of the following guidelines when performing a switchover:
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Verifying Switchover Possibilities

This section describes how to verify the status of the switch and the modules before a switchover.
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OL-18084-01, Cisco MDS NX-OS Release 4.x
When you manually initiate a switchover, system messages indicate the presence of two supervisor
modules.
A switchover can only be performed when two supervisor modules are functioning in the switch.
The modules in the chassis are functioning as designed.
Use the show system redundancy status command to ensure that the system is ready to accept a
switchover.
Use the show module command to verify the status (and presence) of a module at any time. A
sample output of the show module command follows:
switch# show module
Mod Ports Module-Type
--- ----- ------------------------------- ------------------ ------------
2 8 IP Storage Services Module
5 0 Supervisor/Fabric-1
6 0 Supervisor/Fabric-1
8 0 Caching Services Module
9 32 1/2 Gbps FC Module
Mod Sw Hw
--- ----------- ------
2 1.3(0.106a) 0.206
5 1.3(0.106a) 0.602
6 1.3(0.106a)) 0.602
8 1.3(0.106a) 0.702
9 1.3(0.106a) 0.3
Mod MAC-Address(es)
--- --------------------------------------
2 00-05-30-00-9d-d2 to 00-05-30-00-9d-de
5 00-05-30-00-64-be to 00-05-30-00-64-c2
6 00-d0-97-38-b3-f9 to 00-d0-97-38-b3-fd
8 00-05-30-01-37-7a to 00-05-30-01-37-fe
9 00-05-30-00-2d-e2 to 00-05-30-00-2d-e6
* this terminal session
The Status column in the output should display an OK status for switching modules and an active
or HA-standby status for supervisor modules. If the status is either OK or active, you can continue
with your configuration.
Use the show boot auto-copy command to verify the configuration of the auto-copy feature and if
an auto-copy to the standby supervisor module is in progress. Sample outputs of the show boot
auto-copy command follow:
switch# show boot auto-copy
Auto-copy feature is enabled
switch# show boot auto-copy list
No file currently being auto-copied
Model
DS-X9308-SMIP
DS-X9530-SF1-K9
DS-X9530-SF1-K9
DS-X9560-SMAP
DS-X9032
World-Wide-Name(s) (WWN)
--------------------------------------------------
20:41:00:05:30:00:00:00 to 20:48:00:05:30:00:00:00
--
--
--
22:01:00:05:30:00:00:00 to 22:20:00:05:30:00:00:00
Serial-Num
----------
JAB064605a2
JAB06350B1R
JAB06350B1R
JAB072705ja
JAB06280ae9
Cisco MDS 9000 Family CLI Configuration Guide
Switchover Guidelines
Status
ok
active *
ha-standby
ok
ok
10-3