Date |
|
Authors | |
Status | Documenting |
Summary | DMS tasks have been down for a couple of months (since mid October) and were brought back up only today |
Impact | No data changes synchronized over to TSS in those two months |
Non-technical Description
DMS was not running on either prod and preprod. Changes in the TIS databases meant to be captured and synchronized to TSS must not have been captured while DMS was down.
Trigger
Mysql server not being updated to anticipate DMS’s change of address
Detection
Andy Dingley noticed the tasks were not running on both preprod and prod
Resolution
Whitelisting of DMS’s new address on the Mysql server
Timeline
(approximate) - DMS tasks stop working
14:10 GMT - Andy finds the the DMS tasks are not running
15:30 GMT - Tasks restarted successfully after the whitelisting of DMS’s address
Root Cause(s)
DMS’s address change
Why did the DMS address change (& when might it happen again?)
Does this mean it’s a firewall thing? MySQL user too? Is there a more dynamic way that we can set this?
Action Items
Action Items | Owner |
|---|---|
Add monitoring to DMS | |
Mitigate to prevent this from happening in the future | |
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