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Knowledge Center

Recording

In the Recording tab, you can configure recording and archiving settings.

To set recording settings, configure any of the following:

  • Pre-recording time/Post-recording time: Set how much time the recording will extend backwards/forwards when events are detected.
    Note: Increasing the pre-recording and post-recording times can help record triggered events more completely. For example, suppose you set both at 5 seconds and your camera detects an event that lasts 10 seconds. The footage of the 5 seconds prior to and the 5 seconds after the event will also be included in the detection results, giving you 20 seconds of footage in total.
  • Keep the files within (days): Specify a period of time (in days) within which you wish to retain the recordings. Any recordings that were saved earlier than the specified time range will be deleted automatically.
  • Limit the archive folder up to (GB): Specify the maximum size limit (in gigabytes) of the storage space to archive recordings. The oldest recordings will be overwritten by new ones when the specified maximum size limit is reached.
  • Click Estimate Required Space to get the estimated storage space that the camera may need for continuous recording with its current settings.

Note:

  • The pre-recording time is related to memory consumption. The test shown on the Synology official website is conducted based on a 5-second pre-recording time. If you set up the pre-recording time to be longer than the default pre-recording time, then the maximum number of IP cameras supported for your NAS will be affected due to the increase in memory consumption.
  • If Keep the files within (days) and Limit the archive folder up to (GB) are applied simultaneously, files will be rotated once either of the thresholds is exceeded. For example, if you decided to keep the recordings within 60 days and limit the archive storage up to 15 GB, there is a chance that older recordings will be overwritten before being kept for 60 days once the accumulated file size surpasses 15 GB.

To set recording archive settings, configure any of the following:

  • Customize archive folder name: Enter a name for the recording archive folder that will be used to save the recorded videos.
  • Customize file name prefix: Enter the file name prefix that will appear in front of each file name.
  • Recording Storage: Select a recording storage to be used to save the recorded videos.

Note:

  • Only the shared folders created by Surveillance Station can be set as recording storage. Please refer to Recording > Storage in Surveillance Station Help for more information.
  • When you click Save to complete the changing of recording storage, the status of the camera will become "Configuring". During the time of configuration, live view and recording can work normally, but you cannot edit the camera until the configuration is finished. The time needed for configuration depends on the size of the camera's recorded videos.
  • If the recording storage of your camera crashed or no longer exists, the status of your camera will become Storage unavailable, and all of its recording functions will stop. You will need to select another recording storage for the camera to work normally again.
  • External devices are not supported as recording storages.