Constraints

Data of a specific day cannot be deleted through Manual Deletion. You can delete the data before the date you select.

Prerequisites

You have the management permissions for the System module.

Configuring Auto Deletion

1. Log in to the CBH system.
2. Choose System > Data Maintain > Storage Mgmt.
   Figure 1 Storage Management
   

3. In the Auto Deletion area, click Edit. In the displayed dialog box, set related parameters.
   Figure 2 Auto Deletion
   

   Table 1 Parameters of auto deletion

   Parameter	Description
   Auto Deletion	Status of auto deletion. Auto deletion is enabled by default. : enabled. The system automatically starts the data deletion job when the data storage duration and data disk usage exceeds the limit. : disabled.
   Data life (days)	Data storage duration. The data is automatically deleted when its storage duration exceeds the specified value. Default value: 180 days. Value range: 1 to 10000, in days.
   Overwrite when full	When the data disk usage exceeds 90%, data on the disk will be automatically deleted. Whether to enable this function. It is enabled by default. : disabled : enabled Auto deletion policies: The system checks the data disk usage every 30 minutes. When the usage is lower than 90%, the auto deletion stops. By default, the system deletes data generated 180 days earlier than the current day. If the data disk usage is still higher than 90%, the rest data is deleted day by day backwards from the day before the current day until the space usage is lower than 90% Data of the current day cannot be automatically deleted.

4. Click OK.
   Figure 3 Auto Deletion
   

Manual Deletion

1. Log in to the CBH system.
2. Choose System > Data Maintain > Storage Mgmt.
   Figure 4 Storage Management
   

3. In the Manual Deletion area, select a date.
4. Click Delete. Data generated before the selected date is deleted.
   Figure 5 Manual Deletion