Cisco MDS 9000 Family Storage Media Encryption Configuration Guide - Release 4.x (OL-18091-01, February 2009)

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Cisco MDS 9000 Family Storage Media Encryption Configuration Guide
OL-18091-01 Cisco MDS NX-OS Release 4.x
Chapter 9 Cisco SME Troubleshooting
Cluster Recovery Scenarios
On the cluster master switch, shut down the cluster and then delete the cluster by performing this task:
On the offline switch (switch2), delete the cluster by performing this task:
Note Delete the cluster on every offline switch that was shut down in the first procedure.
Reviving a Cisco SME Cluster
To revive a cluster on the switch that has the latest Cisco SME configuration version, use these
procedures.
This procedure is used to revive a cluster when one or more switches are offline and the cluster is
nonoperational (for example, due to a quorum loss). The recovery procedure includes deleting one or
more offline switches and then reviving the cluster on the remaining switches.
Caution A Cisco SME cluster must only be revived on the switch with the latest SME configuration version as
displayed by the show sme cluster detail command. Reviving the cluster on a switch that does not have
the highest configuration version can lead to data corruption.
Note The following procedure assumes that switch1 has the latest SME configuration version. The steps
shown for switch2 should be carried out for every switch that needs to be removed before reviving the
cluster.
On switch2, shut down the cluster by performing this task:
Note Repeat this procedure for every offline switch.
Command Purpose
Step 1
switch# config t
Enters configuration mode.
Step 2
switch(config)#sme cluster ABC
switch(config-sme-cl)#shutdown
Shuts down the ABC cluster.
Step 3
switch(config)#no sme cluster ABC
Deletes the ABC cluster configuration.
Command Purpose
Step 1
switch# config t
Enters configuration mode.
Step 2
switch(config)# no sme cluster ABC
Deletes the ABC cluster configuration.
Command Purpose
Step 1
switch# config t
Enters configuration mode.
Step 2
switch(config)# sme cluster ABC
switch(config-sme-cl)# shutdown
Shuts down the ABC cluster on the offline switch.