Improve Storage Logs (#7338)

* Make storage maintenance messages more clear

* Log when storage maintenance is happening

* Formatting

frigate/storage.py

@@ -153,7 +153,7 @@ def reduce_storage_consumption(self) -> None:
         # check if need to delete retained segments
         if deleted_segments_size < hourly_bandwidth:
             logger.error(
-                f"Could not clear {hourly_bandwidth} currently {deleted_segments_size}, retained recordings must be deleted."
+                f"Could not clear {hourly_bandwidth} MB, currently {deleted_segments_size} MB have been cleared. Retained recordings must be deleted."
             )
             recordings = Recordings.select().order_by(Recordings.start_time.asc())
 
@@ -185,6 +185,9 @@ def run(self):
                 logger.debug(f"Default camera bandwidths: {self.camera_storage_stats}.")
 
             if self.check_storage_needs_cleanup():
+                logger.info(
+                    "Less than 1 hour of recording space left, running storage maintenance..."
+                )
                 self.reduce_storage_consumption()
 
         logger.info("Exiting storage maintainer...")