This topic describes how to enable automatic storage expansion for an ApsaraDB MyBase for MySQL High-availability Edition instance that uses enhanced SSDs (ESSDs).
Prerequisites
An ApsaraDB MyBase for MySQL High-availability Edition instance that uses ESSDs is created.
Your Alibaba Cloud account or storage plan has sufficient balance for storage expansion.
Background information
You can use one of the following methods to enable automatic storage expansion for an instance:
Enable automatic storage expansion when you create an instance. For more information, see Create an ApsaraDB MyBase for MySQL instance.
Enable automatic storage expansion after you create an instance. For more information, see the "Procedure" section of this topic.
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, choose .
Find the instance that you want to manage and click Details in the Actions column.
In the left-side navigation pane, choose .
On the right side of the page that appears, click Autonomy Service Settings.
On the Autonomous Function Settings tab of the panel that appears, configure the parameters described in the following table.
Parameter
Description
Autonomy Service
Turn on Autonomy Service.
Automatic Space Expansion
Select the Automatic Space Expansion option.
Available Storage Space
Specify a threshold for the available storage. Unit: %. If the available storage is less than or equal to the specified threshold, automatic storage expansion is triggered.
Maximum Storage of Automatic Expansion
Specify the maximum storage capacity that is allowed for automatic storage expansion. Valid values: 100 to 32000. Unit: GB.
NoteWhen automatic storage expansion is triggered, the storage space automatically scales up by 5 GB or 15% of the current storage space, whichever value is greater.
Click OK.