What is the best approach to schedule Monthly/ondemand VM instances backup for multiple Vms in GCP organization .
I came across two methods -
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Hello @gcloudLearning,
Welcome to Google Cloud Community!
You may use this document for Backup policy best practices.
See also Best practices for Compute Engine disk snapshots
Despite of many risks to your data, you might not be able to anticipate any risk but a strong backup and recovery plan will help you quickly return to normal operation. See Introduction to Google Cloud Backup and DR Service
I hope this helps