Toolsdb is finally back AND replicated —Brooke > On Dec 16, 2020, at 9:04 AM, Brooke Storm <[email protected]> wrote: > > This is happening in about an hour. We will be taking ToolsDB down for > maintenance. > > Brooke Storm > Staff SRE > Wikimedia Cloud Services > [email protected] <mailto:[email protected]> > IRC: bstorm_ > > >> On Dec 8, 2020, at 4:05 PM, Brooke Storm <[email protected] >> <mailto:[email protected]>> wrote: >> >> In yet another effort to restore replication and preserve the redundancy of >> the data in ToolsDB (user writable database in Toolforge), we need to take >> the database (tools.db.svc.eqiad.wmflabs) completely offline at 1700 UTC on >> 16 Dec. Apps that depend on the ToolsDB service will fail during the outage >> (which will take at least an hour, and we aren’t entirely sure exactly how >> long—expect multiple hours). This will be much faster than the last outage >> because we are doing a straight copy of the binary database files between >> the servers. Details of this mess and efforts to restore the replication >> service can be found at https://phabricator.wikimedia.org/T266587 >> <https://phabricator.wikimedia.org/T266587> >> >> If we succeed in producing a viable copy of the database on another system, >> we will also perform an upgrade on the hypervisor it is on before closing >> the maintenance period. That should be an additional hour or so. >> >> We appreciate your patience with this process. It is very important that we >> establish a second copy of this database, especially in light of recent >> crashes (https://phabricator.wikimedia.org/T253738 >> <https://phabricator.wikimedia.org/T253738>). >> >> Brooke Storm >> Staff SRE >> Wikimedia Cloud Services >> [email protected] <mailto:[email protected]> >> IRC: bstorm_ >> >> >> >> >> >
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