Update #1: 1620Z 02/05/2020 PDA has failed back successfully to the Oracle-1 (primary) database server and the system is stable. Other PDA maintenance is on-going, an update will be sent later today.

Topic: M-B Planned ESPDS PDA/NDE maintenance activities at the NSOF OPS site may cause connectivity and/or processing Interruptions.

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Date/Time Issued: M-BFebruary 05, 2020 1635Z

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Product(s) or Data Impacted: All or some products being Ingested and/or Disseminated from the NSOF OPS site will be affected.

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Date/Time of Initial Impact: M-B February 05, 2020 1500Z

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Date/Time of Expected End: M-B February 05, 2020 2000Z

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Length of Event: M-B 5 hours

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Details/Specifics of Change: M-B The PDA/NDE NSOF OPS environment will perform post Storage Area Network (SAN) migration activities during the defined maintenance window above. Beginning at ~1600Z the Oracle database cluster will experience a switchover from the Oracle-2 server to the Oracle-1 server. An interruption to processing for ~10 minutes is expected. Other than this activity in the post maintenance process no impacts are expected. If processing or connectivity interruptions occur, hung connections may need to be reset and/or restarted.

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The PDA Support team will be monitoring the environment to quickly investigate and remediate anomalies that arise.

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Contact Information for Further M-BInformation: ESPC Operations at ESPCOperations@noaa.gov and 301-817-3880. M-BM-BM-B

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Web Site(s) for applicable information:

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