Incident Date: July 30, 2021
Incident Number: PR-2213
On July 30, 2021, at 12:53 AM ET, Tucows’ hosted email platform experienced service interruption impacting IMAP/POP/Webmail in Prod B.
The service interruption was due to a file system error on the network storage pair.
Tucows’ Engineering team increased the severity of the incident when we observed the external impact.
At 2:26 AM ET, The engineering team restarted the affected network storage and started to restore all the services.
At 2:50 PM ET, the engineering team restored all the services to stabilize the hosted email environment.
The Tucows Engineering team is to upgrade the core software on the affected systems to prevent this incident from happening again.
Tucows has revised and updated the triage and troubleshooting documentation to better identify the severity of the issue.
Tucows Engineering Team