rladmin 恢复

在恢复模式下恢复数据库。

Redis 企业软件

在集群故障等事件后以恢复模式恢复数据库，并从存储的持久性文件中恢复数据库的配置和数据。有关详细说明，请参阅恢复失败的数据库。

数据库持久性文件存储在/var/opt/redislabs/persist/redis/默认情况下，但您可以指定用于数据库恢复的其他目录rladmin node <id> recovery_path set <path>.

recover all

在恢复模式下恢复所有数据库。

rladmin recover all
        [ only_configuration ]

Parameters

Parameters Type/Value Description
only_configuration Recover database configuration without data

Returns

Returns Completed successfully if the database was recovered. Otherwise, returns an error.

Example

$ rladmin recover all
  0% [ 0 recovered | 0 failed ] |         | Elapsed Time: 0:00:00[first-db (db:1) recovery] Initiated.[second-db (db:2) recovery] Initiated.
 50% [ 0 recovered | 0 failed ] |###      | Elapsed Time: 0:00:04[first-db (db:1) recovery] Completed successfully
 75% [ 1 recovered | 0 failed ] |######   | Elapsed Time: 0:00:06[second-db (db:2) recovery] Completed successfully
100% [ 2 recovered | 0 failed ] |#########| Elapsed Time: 0:00:08

recover db

Recovers a specific database in recovery mode.

rladmin recover db { db:<id> | <name> }
        [ only_configuration ]

Parameters

Parameters Type/Value Description
db db:<id>
name		 Database to recover
only_configuration Recover database configuration without data

Returns

Returns Completed successfully if the database was recovered. Otherwise, returns an error.

Example

$ rladmin recover db db:1
  0% [ 0 recovered | 0 failed ] |      | Elapsed Time: 0:00:00[demo-db (db:1) recovery] Initiated.
 50% [ 0 recovered | 0 failed ] |###   | Elapsed Time: 0:00:00[demo-db (db:1) recovery] Completed successfully
100% [ 1 recovered | 0 failed ] |######| Elapsed Time: 0:00:02

recover list

Shows a list of all databases that are currently in recovery mode.

rladmin recover list

Parameters

None

Returns

Displays a list of all recoverable databases. If no databases are in recovery mode, returns No recoverable databases found.

Example

$ rladmin recover list
DATABASES IN RECOVERY STATE:
DB:ID  NAME  TYPE   SHARDS  REPLICATION  PERSISTENCE  STATUS
db:5   tr01  redis  1       enabled      aof          missing-files
db:6   tr02  redis  4       enabled      snapshot     ready

recover s3_import

Imports current database snapshot files from an AWS S3 bucket to a directory on the node.

rladmin recover s3_import
                s3_bucket <bucket name>
                [ s3_prefix <prefix> ]
                s3_access_key_id <access key>
                s3_secret_access_key <secret access key>
                import_path <path>

Parameters

Parameters Type/Value Description
s3_bucket string S3 bucket name
s3_prefix string S3 object prefix
s3_access_key_id string S3 access key ID
s3_secret_access_key string S3 secret access key
import_path filepath Local import path where all database snapshots will be imported

Returns

Returns Completed successfully if the database files were imported. Otherwise, returns an error.

Example

rladmin recover s3_import s3_bucket <bucket-name> s3_prefix <s3-prefix>/ s3_access_key_id <access-key> s3_secret_access_key <secret-access-key> import_path /tmp
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