Checking Whether the Source Database Version Is Supported
MySQL Migration
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Check Item |
Whether the source database version is supported |
|---|---|
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Description |
Check whether the source database version is MySQL 5.5.x, MySQL 5.6.x, MySQL 8.0.x, and MySQL 5.7.x. |
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Failure Cause and Handling Suggestion |
Failure cause: The source database version is not supported. Handling suggestion: Export data and then import it following the instructions provided in the Migrating MySQL Data Using mysqldump section in the Relational Database Service User Guide. |
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Failure cause: Insufficient user permissions Handling suggestion: Check whether the database user permissions meet the migration requirements. |
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Failure cause: An internal error occurs. Handling suggestion: Contact Huawei technical support. |
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Failure cause: This item cannot be checked because the source database fails to be connected. Handling suggestion: Check whether the source database is connected. |
Migration from MongoDB to DDS
|
Check Item |
Whether the source database version is supported |
|---|---|
|
Description |
Check whether the source database version is MongoDB 3.2.x, 3.4.x, or 4.0.x. |
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Failure Cause and Handling Suggestion |
Failure cause: The source database version is not supported. Handling suggestion: Check whether the source database version is MongoDB 3.2x, 3.4.x, and 4.0.x. |
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Failure cause: This item cannot be checked because the source database fails to be connected. Handling suggestion: Check whether the source database is connected. |
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Failure cause: The incremental data is obtained in changeStream mode but the source database version is earlier than 4.0. Handling suggestion: In changeStream mode, ensure that the source database version is 4.0 or later. |
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Failure cause: An internal error occurs. Handling suggestion: Contact Huawei technical support. |
PostgreSQL to GaussDB(DWS) Synchronization
|
Check Item |
Whether the source database version is supported |
|---|---|
|
Description |
Check whether the source database version is PostgreSQL 9.4, PostgreSQL 9.5, PostgreSQL 9.6, PostgreSQL 10.0, PostgreSQL 11.0, PostgreSQL 12.0, and PostgreSQL 13.0.. |
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Failure Cause and Handling Suggestion |
Failure cause: This item cannot be checked because the source database fails to be connected. Handling suggestion: Check whether the source database is connected. |
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Failure cause: The source database version is not supported. Handling suggestion: Check whether the source database version is supported. Currently, only PostgreSQL 9.4, PostgreSQL 9.5, PostgreSQL 9.6, PostgreSQL 10.0, PostgreSQL 11.0, and PostgreSQL 12.0, and PostgreSQL 13.0. are supported. |
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Failure cause: Insufficient user permissions Handling suggestion: Check whether the database user permissions meet the migration requirements. |
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Failure cause: An internal error occurs. Handling suggestion: Contact Huawei technical support. |
Oracle Synchronization
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Check Item |
Whether the source database version is supported |
|---|---|
|
Description |
Check whether the source database version is Oracle 10g, 11g, 12c, 18c, or 19c. |
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Failure Cause and Handling Suggestion |
Failure cause: The source database version is not supported. Handling suggestion: Check whether the source database version is supported. Currently, only Oracle 10g, 11g, 12c, 18c, and 19c are supported. |
MySQL -> PostgreSQL Synchronization
|
Check Item |
Whether the source database version is supported |
|---|---|
|
Description |
Check whether the source database version meets the requirements for synchronization from MySQL to PostgreSQL. |
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Failure Cause and Handling Suggestion |
Failure cause: The source database version is not supported. Handling suggestion: Check whether the source database version is supported. Currently, only MySQL 5.5, 5.6, 5.7, and 8.0 are supported. |
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