How can I make non-disruptive backups of my instances and ebs?

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I want to backup using AMI or Snapshot. During backup, the instance continues to write to EBS. At this time, is it possible to make non-disruptive backups while maintaining disk consistency?

asked 2 years ago310 views
1 Answer
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Only data written to the disk is captured in the snapshot, data in memory not yet written to the disk will be excluded. For non-disruptive backups this is generally considered good enough.

You do have an option on Windows to do VSS snapshots that can handle open files a little better (https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/application-consistent-snapshots.html)

If you need to make sure all data is written to disk first, the best way is to either shutdown the instance or unmount the volume being snapshotted.

rianbk
answered 2 years ago

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