Your chats now get backed up nightly to a second machine
Our live database and its backups used to sit on the same disk. Every nightly backup is now also copied to a different machine.
The gap
Nia already took a nightly backup of the chat database. But the live database, its backup files, and the script that made them were all on the same physical disk. If that disk had failed, it would have taken the live data and every backup with it.
A backup on the same disk as the thing it protects only covers mistakes, not hardware failure.
What changed
Since September 17, each nightly dump is also copied to a separate machine on a separate disk, over its own dedicated key. The same 14-day rolling retention applies there, so you can reach back two weeks from either place.
The copy is best-effort by design: if the second machine can't be reached one night, the local backup still completes and nothing else is affected. We checked that the copies arrive and that the latest one matches the source.
Why we're mentioning it
It's invisible when it works, and you only find out it was missing on the worst day. We'd rather tell you what protects your chats, including where it was thin, than have you assume.