olemus
varuressursilt põhiressursile naasmine
=
restoring a system, component, or service previously in a state of failure back to its original, working state

ülevaateid
https://www.techopedia.com/definition/27071/failback

https://en.wikipedia.org/wiki/Failover

https://www.nakivo.com/blog/failback-in-vm-disaster-recovery/

https://www.flexential.com/resources/blog/failback-key-disaster-recovery

vt ka
- tõrkesiire