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If you have less than 5 GB of free disk space, the Object Tracking DB is overwritten - new data records over the oldest data records.

Self-diagnostics service

When calculating disk subsystem capacity, please note that self-diagnostics service may generate up to 100 Mbytes of data per day.

The service's internal database retention time is limited to 7 days, and its size is limited to 512 Mbytes.