EBS Volume Migration

  • EBS Volumes - Availability Zone

    • Amazon EBS volume is tied to its Availability Zone.

    • It can only be attached to instances in the same Availability Zone.

  • EBS Snapshot - Regional

    • An EBS snapshot is tied to its region.

    • It can only be used to create volumes in the same region and has to be copied from one region to another if needed.

  • So, to migrate an EBS volume from one AZ to another: 1. Create a snapshot of the volume. 2. Restore another EBS volume from that snapshot but in another availability zone.

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