Support checks (on provider's end)

• Data acquisition  method: If not specified  the data retrieval method is pull by  ECMWF's acquisition system ECPDS from the provider's location
• Data transfer check: Is the data transfer checked to avoid any technical issues on the way from provider's location to ECMWF's premises? Was the data delivered bit identical?
  
• Data delay check: Is the potential delay of  data availability checked on the provider's side?
  
• Data completeness check: Is the data content (number of expected fields; reference field list etc) checked on the provider's side?
  
• Data quality check: Is there any data quality control to avoid e.g. unrealistic parameter values due to interpolation or any other kind of error either scientific or technical?
• Data packing: in the past any was accepted but now simple packing is highly preferred 

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• Data recovery option:  Is it possible to recover any missing/corrupted data when needed?
  • If yes, is there any time limit when the data can be rescued? If yes, specify number of days within which the recovery action must happen.

Support incidents

Number of operational incidents since May 2018

• Number of updated incidents includes the newly created or closed ones
• Updated or closed incidents may refer to those from previous quarters
• Stats do not include  system change tickets (=non-incidents)