On Thu, Nov 2, 2017 at 6:13 PM, Maximilian Doerr &lt;maximilian.doerr(a)gmail.com&gt; wrote: As long as c1 stays up, <https://tools.wmflabs.org/tool-db-usage/> will show the users with user-owned databases there. These users should have all also received a MassMessage spam from me on their Wikitech talk page about a week ago. There is no drive or data redundancy for user-created tables on c1.labsdb or c3.labsdb. The tools.db.svc.eqiad.wmflabs databases however are replicated to a secondary server. See <https://wikitech.wikimedia.org/wiki/Help:Toolforge/Database#ToolsDB_Backups_and_Replication> Bryan -- Bryan Davis Wikimedia Foundation &lt;bd808(a)wikimedia.org&gt; [[m:User:BDavis_(WMF)]] Manager, Cloud Services Boise, ID USA irc: bd808 v:415.839.6885 x6855