HP 8/80 Fabric OS Encryption Administrator's Guide v6.4.0 (53-1001864-01, June - Page 66
Swapping engines in an HA cluster, Failback option, Invoking failback, Failback
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2 Creating high availability (HA) clusters Swapping engines in an HA cluster Swapping engines is useful when replacing hardware. Swapping engines is different from removing an engine and adding another because when you swap engines, the configured targets on the former HA cluster member are moved to the new HA cluster member. To swap engines, select one engine from the right tree (see Figure 25) and one unclustered engine from the list on the left, and click the double-arrow button. NOTE The two engines being swapped must be in the same fabric. Failback option The Failback option determines the behavior when a failed encryption engine is restarted. When the first encryption engine comes back online, the encryption group's failback setting (auto or manual) determines how the encryption engine resumes encrypting and decrypting traffic to its encryption targets. • In auto mode, when the first encryption engine restarts, it automatically resumes encrypting and decrypting traffic to its encryption targets. • In manual mode, the second encryption engine continues handling the traffic until you manually invoke failback using the CLI or Management application, or until the second encryption engine fails. Invoking failback To invoke failback to the restarted encryption engine from the Management application, complete the following steps. 1. Select Configure > Encryption. The Encryption Center dialog box displays. 2. Select the group to which the encryption engine belongs from the Encryption Devices table, and click Properties. The Encryption Group Properties dialog box displays. 3. Click the HA Clusters tab. 4. Select the online encryption engine and click Failback. 5. Click OK on the Encryption Group Properties dialog box. 6. Click Close on the Encryption Center dialog box. 48 Fabric OS Encryption Administrator's Guide 53-1001864-01