This topic describes how to enable or disable instance allocation on a host in an ApsaraDB MyBase dedicated cluster.
Background information
- If a host in an ApsaraDB MyBase dedicated cluster requires maintenance or you do not want the system to allocate instances to a host, you can disable instance allocation on the host on the Hosts page.
- If you want the system to allocate instances to the host, you can enable instance allocation on the host on the Hosts page.
Note The Allocation Status of the host defaults to Enabled.
Prerequisites
An ApsaraDB MyBase for MySQL host is created. For more information, see Create hosts in an ApsaraDB MyBase for MySQL dedicated cluster.