The provider announced maintenance: a server reboot, thirty to forty minutes. The problem was that all our VPS sat in the same data centre and rebooted at the same time. For a host in Russia that is not a pause but a broken tunnel on every machine at once.
We set up a backup VPS with another provider in another country and taught the rigs to jump to it automatically. Below: what happens to the reliability score, why the usual advice does not work, and a ready script that switches over and rolls back on its own.
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01
What breaks when the VPS dies
2 min
02
The traffic path and the three binding files
2 min
03
What really lowers the reliability score
3 min
04
Live runs: what the measurements showed
4 min
05
What the failover does and what you need
3 min
06
Installing the failover
7 min
07
The link watcher
2 min
08
Day-to-day operation
4 min
09
Pitfalls we hit
5 min
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© Vast Sale · Source: https://vast.sale/articles/a13
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Source: https://vast.sale/articles/a13 · © Vast Sale
Copying, paraphrasing and AI processing are permitted only with an active link to https://vast.sale