Create MetaDB

This topic describes how to use OceanBase Admin Toolkit (OAT) to create MetaDB.

Prerequisites

Before you create MetaDB, ensure that:

• You have added the server where MetaDB is to be installed. For more information, see Add a server.
• The server meets the requirements for installing MetaDB.

Procedure

1. Log on to the OAT console as a super administrator or an O&M engineer.

2. In the left-side navigation pane, choose Product Service > Component Management.

3. On the Component Management page, click Create Component in the upper-right corner, and choose Create MetaDB.

4. On the Create MetaDB page, specify related fields.

   The following table describes the basic parameters that you must specify when you create MetaDB.

   Parameter	Description
   MetaDB Image	The Docker image of MetaDB.
   Component Name	The name of the component, which must be unique. Default value: metadb.
   Server	The IP address of the server where MetaDB is to be installed.
   CPU	The number of CPU cores allocated to MetaDB. Default value: 32C.
   Memory	The memory allocated to MetaDB. Default value: 90GB.
   MetaDB Cluster Name	The name of the MetaDB cluster.
   root@sys password	The password of the root user of the sys tenant.

   The following table describes the optional installation path parameters that you can specify when you create MetaDB.

   Parameter	Description
   Installation Directory	The installation path of MetaDB. Default value: /home/admin/oceanbase.
   Data Directory	The data storage path of MetaDB. Default value: /data/1.
   Log Directory	The log storage path of MetaDB. Default value: /log/1.
   Backup Directory	The backup path of MetaDB. By default, this parameter is left empty. This parameter is optional.

   The following table describes the optional startup parameters that you can specify when you create MetaDB.

   Parameter	Description
   MySQL Port	The MySQL port of MetaDB. Default value: 2881.
   RPC Port	The RPC port of MetaDB. Default value: 2882.
   OB Process Startup Parameters	You can modify or add the startup parameters of the OceanBase process as needed. This parameter is optional.
   OB Proxy Service Port	The service port of the OceanBase Database Proxy (ODP). Default value: 2883.
   OB Proxy Process Startup Parameters	You can modify or add the startup parameters of the obproxy process as needed. This parameter is optional. For more information, see Parameter description.
   SSHD Port	The SSHD port in the MetaDB container. Default value: 2022. OceanBase Cloud Platform (OCP) deploys the OCP Agent by connecting to the SSHD port.
   Root Password	The password of the root user in the MetaDB container.

5. After you set the parameters, click Submit.

   You can also click Reset to restore the default configurations.

What to do next

After you install MetaDB, you can install the OceanBase ecosystem tools, including OCP, OceanBase Developer Center (ODC), OceanBase Migration Service (OMS), and OB Sharding.