Procedure

1. Log in to the OMU portal of the MPU as the admin user.
2. Choose Storage.
3. Configure recording storage policies, as shown in Figure 1.
   Figure 1 Configuring recording storage policies
   
   1. On the Storage page, select the MPU from the system domain list.
   2. Click Modify.

      The recording storage policy parameters can be modified.

   3. Configure recording storage policies. Table 1 describes the parameters.

      Table 1 Recording storage policy parameters

      Parameter	Description
      Insufficient Recording Space Policy	The options are as follows: Stop if insufficient: Only recordings whose retention period expires are recycled. After the storage space is used up, recording stops. Overwrite if insufficient: Recordings are recycled in the following sequence until the available storage space is greater than the threshold: recordings whose retention period expires >recordings whose retention period is not configured > earliest recordings within the retention period.
      Video recycle policy	The options are as follows: Recycle by storage space: When the available storage space is less than or equal to the threshold, recording recycling is triggered. Recycle by expiration time: When the retention period expires or the available storage space is less than or equal to the threshold, recording recycling is triggered.

   4. Click Confirm.