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How to read S3 request in bycast.log

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Applies to

  • StorageGRID
  • /var/local/log/bycast.log

Answer

Example:

Aug 16 11:09:40 SG01-N03 ADE: |12141310 1895962048 S3RQ %CEA 2021-08-16T11:09:40.889848| NOTICE   1350 e5ad948e80a70800 S3RQ: EVENT_PROCESS_CREATE - connection=1629112139354560 method=HEAD name=</Commvault/H3YRCS_09.28.2020_12.49/CV_MAGNETIC/V_17426926/CHUNK_48770142/SFILE_CONTAINER_041.FOLDER/4> auth=<V2> clientIP=<0.0.0.0>
 
  • SG01-N03: node name
  • 12141310: node ID (LDR ID)
  • 1895962048: S3RQ process ID. Generated when S3 request is received.
  • connection=1629112139354560: HTSM (HttpSessionModule) session ID. This ID can change or stay the same for multiple S3 requests.
  • method: type of S3 request, like  GET, PUT, HEAD, DEL
  • clientIP: IP of requester, but in reality likely to be IP of Loadbalancer unless x-forwarded header is used in request.

 

If the request is successful there will be no further logging for that operation.

If the request fails there will a logging like this:

Aug 16 11:09:40 SG01-N03 ADE: |12141310 1895962048 S3RQ %DED 2021-08-16T11:09:40.891768| NOTICE   0090 e5ad948e80a70800 S3RQ: S3 error response: RequestId=1629112139354560, TraceId=e5ad948e80a70800, Resource=/Commvault/H3YRCS_09.28.2020_12.49/CV_MAGNETIC/V_17426926/CHUNK_48770142/SFILE_CONTAINER_041.FOLDER/4, HTTP Status Code=503, ErrorMsg=ServiceUnavailable, ErrorType=Client, CustomErrorMessage={<none>}, Details={<none>}

  • RequestId: Connection ID of the according request
  • HTTP Status Code: Standard HTTP Code
  • To search for errors : grep Code= bycast.log

Additional Information

 

 

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