DDS.BackupStrategy

**Table 1** Property description
Property	Required	Type	Description
keepDays	No	integer	Backup retention period, which specifies the number of days for which backup files can be stored Value Description: Supports 0-35 days. If this parameter is not specified or set to 0, the automatic backup policy is disabled. Suggestion: Set the value based on specifications and requirements.
endTime	Yes	string	Latest time when the backup task is executed Value Description: Supports customization. For example, 23:30. Value Constraint: This parameter cannot be left blank. It is valid only when the format is hh:mm. The current time is the UTC time. Suggestion: Set the value based on specifications and requirements.
startTime	Yes	string	Earliest time when the backup task is executed. Automatic backup will be triggered after the earliest time expires. Value Description: Supports customization. For example, 22:30. Value Constraint: This parameter cannot be left blank. It is valid only when the format is hh:mm. The current time is the UTC time. • HH must be 1 larger than hh. • The values of mm and M M must be the same and must be 00, 15, 30 or 45. Suggestion: Set the value based on specifications and requirements.