Migrating MongoDB

Follow this procedure to upgrade your previous MongoDB to MongoDB 7 and migrate data for Talend Dictionary Service. For more information about the compatible versions, see Compatible databases.

1. Stop the previous version of Talend Data Preparation, Talend Data Stewardship and Talend Component Server but keep MongoDB running.
2. Open a command prompt.
3. Back up your MongoDB Talend Dictionary Service data by running one of the following commands.

   For Linux:

   <mongo_path>/bin ./mongodump -h <source_mongodb_host>:<source_mongo_port> -u <mongo_dqDict_username> -p <mongo_dqDict_password> -d <mongo_dqDict_database> -o <dqDict_backup_location>

   For Windows:

   <mongo_path>/bin>mongodump -h <source_mongodb_host>:<source_mongo_port> -u <mongo_dqDict_username> -p <mongo_dqDict_password> -d <mongo_dqDict_database> -o <dqDict_backup_location>

   For example: mongodump -h localhost:27017 -d dqdict -u dqdict-user -p duser -o dump\

4. Stop the MongoDB instance.
5. Uninstall your previous MongoDB.
6. Install the new MongoDB version. For more information about the MongoDB installation, see the MongoDB documentation.
7. Start the new MongoDB version.
8. Restore the MongoDB backup by running one of the following commands.

   For Linux:

   <mongo_path>/bin ./mongorestore -h <mongo_host>:<mongo_port> -u <mongo_dqDict_username> -p <mongo_dqDict_password> -d <mongo_dqDict_database> <dqDict_backup_location>

   For Windows:

   <mongo_path>/bin>mongorestore -h <mongo_host>:<mongo_port> -u <mongo_dqDict_username> -p <mongo_dqDict_password> -d <mongo_dqDict_database> <dqDict_backup_location>

   For example: mongorestore -h localhost:27017 -u dqdict-user -p duser -d dqdict dump\

Follow this procedure to upgrade your previous MongoDB to MongoDB 7 and migrate data for Talend Data Stewardship. For more information about the compatible versions, see Compatible databases.

1. Stop the previous version of Talend Data Stewardship but keep MongoDB running.
2. Back up your MongoDB by running one of the following commands.

   For Linux:

   <mongo_path>/bin ./mongodump -h <source_mongodb_host>:<source_mongo_port> -u <mongo_tds_username> -p <mongo_tds_password> -d <mongo_tds_database> -o <backup_location>

   For Windows:

   <mongo_path>/bin>mongodump -h <source_mongodb_host>:<source_mongo_port> -u <mongo_tds_username> -p <mongo_tds_password> -d <mongo_tds_database> -o <backup_location>

   For example: mongodump -h localhost:27017 -u tdsuser -p tds -d tds -o dump\

3. Stop the MongoDB instance.
4. Uninstall your previous MongoDB.
5. Install MongoDB 7. For more information about the MongoDB installation, see the MongoDB documentation.
6. Start the new MongoDB version.
7. Restore the MongoDB backup by running one of the following commands.

   For Linux:

   <mongo_path>/bin ./mongorestore -h <mongo_host>:<mongo_port> -u <mongo_tds_username> -p <mongo_tds_password> -d <mongo_tds_database> <backup_location>

   For Windows:

   <mongo_path>/bin>mongorestore -h <mongo_host>:<mongo_port> -u <mongo_tds_username> -p <mongo_tds_password> -d <mongo_tds_database> <backup_location>

   For example: ./mongorestore -h localhost:27017 -u tdsuser -p tds -d tds -o dump\

8. Start Talend Data Stewardship.

Follow this procedure to upgrade your previous MongoDB to MongoDB 8 and migrate data for Talend Data Preparation. For more information about the compatible versions, see Compatible databases.

1. Stop the previous version of Talend Data Preparation and Talend Component Server but keep MongoDB running.
2. Open a command prompt.
3. Back up your MongoDB Talend Data Preparation data by running one of the following commands.
   For Linux:

   <mongo_path>/bin ./mongodump -h <source_mongodb_host>:<source_mongo_port> -u <mongo_tdp_username> -p <mongo_tdp_password> -d <mongo_tdp_database> -o <tdp_backup_location>

   For Windows:

   <mongo_path>/bin>mongodump -h <source_mongodb_host>:<source_mongo_port> -u <mongo_tdp_username> -p <mongo_tdp_password> -d <mongo_tdp_database> -o <tdp_backup_location>

   For example: mongodump -h localhost:27017 -u tdpuser -p tdp -d tdp -o dump\

4. Copy the /data folder and paste it in another repository as a back up. You should not modify this folder.
5. Stop the MongoDB instance.
6. Uninstall your previous MongoDB.
7. Install MongoDB 8. For more information about the MongoDB installation, see the MongoDB documentation.
8. Start the new MongoDB version.
9. Restore the MongoDB backup by running one of the following commands.

   For Linux:

   <mongo_path>/bin ./mongorestore -h <mongo_host>:<mongo_port> -u <mongo_tdp_username> -p <mongo_tdp_password> -d <mongo_tdp_database> <tdp_backup_location>

   For Windows:

   <mongo_path>/bin>mongorestore -h <mongo_host>:<mongo_port> -u <mongo_tdp_username> -p <mongo_tdp_password> -d <mongo_tdp_database> <tdp_backup_location>

   For example: ./mongorestore -h localhost:27017 -u tdpuser -p tdp -d tdp -o dump\

10. Verify the /data folder. If you moved it, you need to restore it.
11. Start Talend Data Preparation and Talend Component Server.