An entirely surprising side-effect of this maintenance is causing chronic database instability. We're working to resolve this but in the meantime the tools database server is likely to be up and down several times. We'll update once things are stable again.
Sorry for the (ongoing) interruption!
-Andrew + wmcs team
On 10/21/19 2:49 PM, Brooke Storm wrote:
With a redundant power supply upgrade going on this week in the datacenter that could affect the VM that Toolsdb runs on, we anticipate a brief outage Thursday 10/24 @11am UTC of the mysql service to protect data in case anything goes wrong. This may require a restart of a tool to reconnect to the database. We do not anticipate any worse disruptions, but if there is any disruption beyond what is planned, a failover may be necessary, which will not include the non-replicated tables mentioned here https://wikitech.wikimedia.org/wiki/Help:Toolforge/Database#ToolsDB_Backups_and_Replication
The maintenance requiring this notice and action is detailed here https://phabricator.wikimedia.org/T227540. The VM resides on the cloudvirt1019 hypervisor, which is why it is in scope.
We sincerely apologize for the short notice.
Brooke StormSenior SREWikimedia Cloud ServicesIRC: bstorm_
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