AWS Classroom Series – 31/Dec/2020

EBS Snapshots

  • Data of the EBS can be backed up using EBS Snapshots. Internally these backups will be stored in s3.
  • AWS EBS Snapshots are incremental backups Preview
  • So when we delete the latest snapshot then the latest data is lost Preview
  • When we delete older snapshots, then we dont loose data as the data gets copied to child snapshot Preview
  • From EBS Snapshot (backup), we can create a new volume (disk) or we can also create a new AMI (Amazon Machine Image)
  • Volume will be restricted to an AZ. Snapshot will be present in a Region. So using snapshot we can create the same volume in different AZs Preview Preview
  • Now lets create EBS Snapshot Preview Preview Preview Preview
  • Now lets create a volume using this snapshot in az-a (us-east-1a) Preview Preview Preview Preview
  • Snapshots can be copied to other regions as well Preview Preview Preview Preview Preview
  • From this snapshot i can create a new volume in any AZ in other region (oregon)
  • We can also share ebs snapshots
    • to public
    • to other AWS accounts Preview Preview
  • We can use AWS Lifecycle manager to create and delete the EBS Snapshots and EBS Snapshot backed AMI Preview Preview Preview Preview Preview Preview Preview Preview

EBS Fast Snapshot restore

  • EBS fast snapshot restore enables you to create a volume from snapshot which is fully initialized which helps in eliminating I/O Latency on disk operations.

EBS Volume Modifications

  • Lets create an ec2 instance with windows 2016 operating system
  • Create an additional volume of size 1 GB in the Same AZ as ec2 instance and attach to ec2 Preview
  • Lets mount the additional disk in windows server Preview Preview Preview Preview
  • Now lets increase the size of the EBS Volume from 1 GiB to 2 GiB Preview Preview Preview Preview
  • Now lets verify the disk statistics in EC2 instance
  • Refer Here Preview

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