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HUAWEI CLOUD Stack 6.5.0 Backup and Restoration Guide 03

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Unified Restoration

Unified Restoration

Setting Restoration Tasks

If you need to restore data from a backup file stored in the remote SFTP server, set a restoration task. Unified backup and restoration is used when Gauss, Redis, and CFE-ETCD services are backed up.

The paasdbsvr, deploydbsvr, and febsdb database instance in 8-VM scenarios of the management zone in shared clusters does not support unified restoration. For details about how to restore a paasdbsvr instance or a deploydbsvr instance, see Restoring the Gauss Database. For details about how to restore a febsdb instance, see Restoring Redis.

Prerequisites
  • You have logged in to the FusionStage OM console.
  • A backup task has been performed successfully.
    NOTE:

    If the cluster is abnormal before task restoration due to network faults, restore the network connection first. After the network connection is restored, you are advised to check the etcd cluster status by referring to the mapping steps of "Checking the restoration status of the faulty cfe-etcd cluster" provided in section (Optional) Restoring a Faulty Tenant Management Zone cfe-etcd Cluster.

Context

Table 2-6 describes restoration task parameters.

Table 2-6 Restoration task parameters

Parameter

Description

Example

Resume task name

Unique name of a restoration task.

default_restoration

Namespace

Select a namespace: fst-manage (management zone)

fst-manage

Resume source

Select a successfully executed backup task.

NOTE:

Currently, local backup files can only be restored by manual backup instead of unified backup. For details, see Restoration by Category. When Resume source is set to test-local, the "Illegal operation" dialog box is displayed.

default_backup

Procedure
  • When the instances named etcd, etcd-event, and etcd-network are to be restored, the instance named cse-etcd cannot be restored concurrently.
  • Restoring etcd will affect the services that use etcd. Therefore, you are advised to restore etcd during off-peak periods.
  1. Choose Application Development > Backup from the main menu. In the left navigation pane, choose Resume name.
  2. On the displayed page, perform the operations described in the following table.

    Table 2-7 Operations

    Scenario

    Operation

    Create a restoration task.

    1. Click Create resume name.
    2. In the displayed dialog, set the parameters by referring to Table 2-6.
    3. Select Are you sure to perform the operation? The resume operation will overwrite the current data, please be careful!.
    4. Click OK.
    5. Check the value in the Total status column. If success is displayed, the restoration task is performed successfully. If the restoration task fails to be performed, contact technical support.

    Delete a restoration task.

    1. Click delete in the Operation column for a specific restoration task.
    2. In the displayed dialog box, click OK.

    View the execution result of a restoration task.

    Check the value in the Total status column. If success is displayed, the restoration task is performed successfully. If the restoration task fails to be performed, contact technical support.

    View the restoration task details.

    Click to the left of a specific restoration task to view the task details.

Follow-up Procedure

After restoring the CFE-ETCD service, you need to manually start services that have etcd cache. For details, see How to StartServices That Have etcd Cache?

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Updated: 2019-06-14

Document ID: EDOC1100062366

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