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 for MyBase dedicated cluster requires maintenance or you do not want the system to allocate instances to a host, you can disable instance allocation for the host on the Hosts page in the ApsaraDB for MyBase console.
If you want the system to allocate instances to the host at a later time, you can enable instance allocation for the host on the Hosts page.
The value of Allocation Status for a host defaults to Enabled.
Procedure
Log on to the ApsaraDB for MyBase console.
In the upper-left corner of the page, select a region.
In the left-side navigation pane, click Hosts.
Find the host that you want to manage and choose .
Select Disabled or Enabled and click OK.
