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Disk Encryption User Guide

OceanStor Dorado V3 Series V300R001

This document is applicable to OceanStor Dorado5000 V3, Dorado6000 V3 and Dorado18000 V3. This document introduces how to install and configure key management servers connected to the storage systems that use self-encrypting disks.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Recovering Data of the Key Management Server

Recovering Data of the Key Management Server

This section describes how to recover data after the encryption key or configuration data of the key management server is lost.

Table 3-25 describes common scenarios in which data of the key management server is lost, as well as the precautions and reference sections.

Table 3-25 Common scenarios for data recovery of the key management server

Operation

Description

Reference Section

Recovering the encryption key

Recovering the encryption key of one key management server

If data of only one key management server in the cluster is lost, create a backup copy manually and recover the encryption key in the backup information to the key management server.

Manually Backing Up Configurations of a Key Management Server

Restoring Information from the Backup Server to the Target Key Management Server

Recovering encryption keys of two key management servers

If data of two key management servers is lost, recover the encryption keys that are concurrently backed up on the NFS server to the corresponding key management servers.

Restoring Information from the Backup Server to the Target Key Management Server

Recovering network configurations

If network configuration of a key management server is lost or abnormal, configure network for it again.

Configuring Network Information

Configuring the recovery time

If time information about a key management server is lost or abnormal, configure an NTP server for it again.

Configuring the NTP Server

Recovering the system key

If the system key of a key management server is lost, recover the system key that is backed up on the smart card to the key management server in maintenance mode.

Restoring the Source System Key to the Target Key Management Server

Recovering a license

If the license of a key management server is lost, import the matching license file again.

Importing a License File

Recovering a cluster

If the cluster configuration of a key management server is lost or abnormal, configure cluster information again in maintenance mode.

Adding Replication Members

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Updated: 2018-11-01

Document ID: EDOC1000159246

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