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Edge storage
The menu item "Edge storage" is only displayed if supported by the selected camera.
Edge storage uses the camera to store images on an internal storage media (e.g. SD card) to cover connection failures between the camera and the database server. If the connection between the camera and the server is interrupted, recording gaps on the DeviceManager will result.
After the connection is reestablished, the recording gaps on the server can be filled with the recordings from the camera's internal storage media. Time schedules for recording and maximal recording size are taken into consideration.
Both use cases require configuration on the camera. Both use cases require a license which includes edge storage functions.
There are various options to configure edge storage in configuration mode:
- Check on device start: If a device is started or reboots after network failure, the import will be triggered
- Import triggered by schedule (see Gap filling)
- Manual import of a time range in archive mode (this feature is not supported in this version)
- Optionally, a time range can be defined. If no time range is defined, all data since the last import will be imported.
- If a time range is defined, only data within this range will be imported.
- Import triggered by an alarm scenario
Important remarks
- The transmission speed of the video can be set in the DM configuration file(C:/Program Files/OnSSI/Ocularis Recorder/conf/dm.conf.xml).
- The Tag <EdgeStorageSpeed> holds the value for video transmission from Edge Storage to Ocularis. After changing the speed setting, restart the DM service.
- To prevent network flooding, only one device at a time will retrieve video from edge storage. If the importing or gap filling is triggered for several devices at the same time, they will be lined up in a queue.
- Do not change the configuration of the device while gap filling or full import is active as this may result in data loss.
- Make sure that the camera date / time is synchronized with the date and time on the Ocularis Server.
- Edge storage does not work in a failover scenario (productive DM is offline and the redundant DM is recording images at that moment).
- Gap filling: In configuration Mode -> Camera -> Image Storage -> MultimediaDatabase you can activate only record if: This option will be ignored when checking for missing recordings. If there is a recording gap because of this feature, the missing recording will be transferred from the camera to the MDB although no recording is intended.
- Time schedules, holidays, maximum recording time range will not be ignored.
- Gap filling: If checking once a day for gaps, make sure to have recordings for two days on the device to make it work properly. Also make sure that the SD card has enough storage space for two days of recording.
- Overwrite protection of recordings will be ignored.
- Inserted recordings in the MDS will be shown in report mode.
- Gaps will be filled only after the first access to the camera.
- If the recording fails often, OnSSI cannot ensure that the edge storage functionality is working properly. In this case the camera problem or network problem must be fixed first.
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