Brocade Communications Systems Encryption Switch Service Manual download pdf (Page 115)

Fabric OS Encryption Administrator’s Guide (DPM) 97

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Redirection zones

It is recommended that you configure the host and target in the same zone before you configure

them for encryption. Doing so creates a redirection zone to redirect the host/target traffic through

the encryption engine; however, a redirection zone can only be created if the host and target are in

the same zone. If the host and target are not already configured in the same zone, you can

configure them for encryption, but you will still need to configure them in the same zone, which will

then enable you to create the redirection zone as a separate step.

NOTE

If the encryption group is busy when you click Commit, you are given the option to either force the

commit, or abort the changes. Click Commit to re-create the redirection zone.

Disk device decommissioning

A disk device needs to be decommissioned when any of the following occurs:

• The storage lease expires for an array, and devices must be returned or exchanged.

• Storage is reprovisioned for movement between departments.

• An array or device is removed from service.

In all cases, all data on the disk media must be rendered inaccessible. Device decommissioning

deletes all information that could be used to recover the data, for example, information related to

master key IDs and cache files.

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 Switch.

• 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 73.

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.

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Brocade Communications Systems Encryption Switch Service Manual Page 115