Opra Data Outage Prompts Tech Fixes

The outage occurred between 9:36am and 10:23am Eastern time last Monday, during which time data aggregators and market participants did not have access to data from the Opra feed. The original problem was caused by a disk failure in a server running two of the 24 multicast lines used to disseminate the Opra feed.

The hardware should have immediately failed over to a backup server but was hampered by a glitch in its Unix operating system that prevented SIAC from taking the box offline and a s

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