Canon Vb-C60 Network Video Recorder VK-64/VK-16 Administrator's Manual - Page 271

Messages List Messages Camera Effective recording rate (% -> %) ERROR(http): socket type= (Image), cameraserver= (:) http_status=400 Failed to start the recording-mode stream for Camera . Cause The recording frame rate has been changed from y% to z% because the load of the recording engine continued to increase (decrease). An HTTP 400 error occurred when getting the image. Recording video stream requests were made to the VB-C500VD/VB-C500D/ VB-C60 from multiple Storage Servers. Action Even though there is no necessary action, you can reduce the system load using the following methods if you want to avoid frame rate decrease events. 1. Reduce the amount of data to record (For example, lower the resolution or frame rate). 2. Install an additional hard disk. 3. Implement an action such as upgrading the CPU, or increasing memory or existing hard disk space. It may be connected to SNC-P5, DF40N in the MPEG mode. Change it to the JPEG mode. For other causes, see the corresponding HTTP error code in "Error Codes in Log File" ( P. 9-31). Change the settings such that the recording video stream request is only made by one unit. Access Engine Log A list of messages shown in the Storage Server log file nvr_ae_log_.txt ( is either 0 or 1) is shown below. These messages are generated by the access engine (Win32 service) that runs as part of a Storage Server. Messages NVR Access Engine startup complete. Log level = NVR Access Engine has finished shutting down. Cause It indicates that startup of the access engine has been completed. The access engine has been stopped. Action No action is required. No action is required. Troubleshooting 9-29