Brocade Network Advisor SAN + IP User Manual v12.3.0 - Manual (Page 1207)

Brocade Network Advisor SAN + IP User Manual 1135
53-1003155-01
Disk device decommissioning
25
After device decommissioning is performed, the following actions occur:
• Metadata on the LUN is erased and the reference is removed from cache on the Brocade
Encryption Switchswitch.
• The LUN state is shown as decommissioned in the key vault.
• The LUN is removed from the container.
NOTE
The key IDs that were used for encrypting the data are returned.
When disk LUNs are decommissioned, the decommissioned keys are still stored on the switch. In
order to delete them from the switch, you must view them from the Decommissioned Key IDs dialog
box. (Refer to
Figure 512 .)
When a device decommission operation fails on the encryption Group Leader for any reason, the
crypto configuration remains uncommitted until a user-initiated commit or a subsequent device
decommission operation issued on the encryption Group Leader completes successfully. Device
decommission operations should always be issued from a committed configuration. If not, the
operation will fail with the error message An outstanding transaction is pending in Switch/EG. If
this occurs, you can resolve the problems by committing the configuration from the encryption
Group Leader.
Provided that the crypto configuration is not left uncommitted because of any crypto configuration
changes or a failed device decommission operation issued on a encryption Group Leader node,
this error message will not be seen for any device decommission operation issued serially on an
encryption group member node. If more than one device decommission operation is attempted in
an encryption group from member nodes simultaneously, this error message is transient and will
go away after device decommission operation is complete. If the device decommissioning
operation fails, retry the operation after some time has passed.
With the introduction of Fabric OS 7.1.0, all key vault types support the ability to decommission disk
LUNs. For earlier Fabric OS versions, (for example, Fabric OS 7.0.x) the command that is used to
decommission LUNs is only recognized on DPM (formerly RKM) and LKM/SSKM key vault types.
Decommissioning disk LUNs
Use the following procedure to decommission a disk LUN.
1. Select Configure > Encryption from the menu task bar to display the Encryption Center
dialog box. (Refer to Figure 376 on page 976.)
2. Select a group, switch, or engine from the Encryption Center Devices table that contains the
storage device to be configured, then select Group/Switch/Engine > Targets from the menu
task bar.
NOTE
You can also select a group, switch, or engine from the Encryption Center Devices table, then
click the Targets icon.
The Encryption Targets dialog box displays. (Refer to Figure 499 on page 1117.)
3. Select a Target storage device from the list, then click LUNs.
The Encryption Target Disk LUNs dialog box displays.
4. Select the LUNs associated with the device, then click Decommission.