July 14, 2016 16:53:58
Post Mortem: EDGX Options Matching Engine Fail-over and Step-Up Mechanism Disabled
SCI System(s) Affected: Trading
Incident Description: System Disruption A software defect related to the new Step-Up Mechanism (SUM) functionality required a forced fail-over for one Matching Engine to its backup process. As a result of the issue, SUM was disabled for the remainder of the day.
Members Affected: EDGX Options Members with open orders in the underlying range of XLPB ZZZZZ between 11:12:07 and 11:19:13 ET or whom attempted to input orders in the affected underlying range during that timeframe.
Corrective Action: A patch will be deployed this Friday evening and the Step-Up Mechanism will available again on Monday, July 18, 2016.