Brocade Fabric OS Encryption Administrator’s Guide Supporting NetApp Lifetime Key Manager (LKM) and KeySecure Storage Secure Key Manager (SSKM) Environments (Supporting Fabric OS v7.2.0) User Manual

Page 244

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226

Fabric OS Encryption Administrator’s Guide (LKM/SSKM)

53-1002925-01

Encryption group merge and split use cases

6

Display the encryption group state again.

Node182:admin-> cryptocfg --show -groupcfg

Node182 should now show up with an Encryption Group state of
CLUSTER_STATE_CONVERGED.

In this two node example, there is only one other node in the encryption group, and therefore
the is only one node to deregister. When you have a 3:1 split or a 2:2 split, issue the following
command from the group leader node you are keeping.

Switch:admin-> cryptocfg --show -groupmember -all

The output of this command will show you every node that was ever a part of this encryption
group. Look at State: for all nodes to determine which ones to deregister. Only the nodes with a
state of DEF_NODE_STATE_DISCOVERING must be deregistered from the group leader node
you are keeping. The example below shows that the node with WWN 10:00:00:05:1e:c1:9a:86
needs to be deregistered.

Switch:admin-> cryptocfg --show -groupmember -all

NODE LIST

Total Number of defined nodes: 4

Group Leader Node Name: 10:00:00:05:1e:54:22:44

Encryption Group state: CLUSTER_STATE_DEGRADED

…. Output truncated…

Node Name: 10:00:00:05:1e:c1:9a:86

State: DEF_NODE_STATE_DISCOVERING

…Output truncated…

4. Go to every other encryption group island to delete the encryption group.

NOTE

If you have four encryption nodes that have split into a pair of two node encryption groups,
refer to

“The 2:2 EG split exception”

on page 227 for a description of an additional step to take

before deleting the encryption group.

In this example, the encryption group island consists only of Node181. From Node181, enter
the following command:

Node181:admin-> cryptocfg --delete -encgroup <ENTER EG GROUP NAME HERE>

This will permanently delete the encryption group configuration

ARE YOU SURE (yes, y, no, n): [no] yes

WARNING: Tape, HA cluster or Container is configured in this node.

Do you want to do EG deletion and retain Tape, HA cluster or Container

configuration

ARE YOU SURE (yes, y, no, n): [no] yes

Encryption group delete status: Operation Succeeded.

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