Replica of volume of 20tb

I recommend starting by copying the snapshot from the other account to yours. Next, create a volume from the copied snapshot using your preferred KMS key. Finally, you can carry out various operations on the volume, such as attaching it to an EC2 instance, formatting it, and mounting it. This solution supports volumes up to 20TB using the Provisioned IOPS SSD (io1 or io2) volume type, which can handle volume sizes up to 64TB.

Here's a streamlined overview of the process:

# Copy Snapshot from Other Account
aws ec2 copy-snapshot --source-region <source-region> --source-snapshot-id <source-snapshot-id> --kms-key-id <kms-key-id> --destination-region <destination-region> --encrypted

# Create Volume from Copied Snapshot with KMS Key
aws ec2 create-volume --snapshot-id <copied-snapshot-id> --volume-type io1 --iops 3000 --size 20000 --kms-key-id <kms-key-id> --availability-zone <availability-zone>

# Attach Volume to EC2 Instance
aws ec2 attach-volume --volume-id <volume-id> --instance-id <instance-id> --device /dev/sdf

# Format and Mount Volume
mkfs -t ext4 /dev/sdf
mount /dev/sdf /mnt

ℹ️ You would need to replace <source-region>, <source-snapshot-id>, <kms-key-id>, <destination-region>, <copied-snapshot-id>, <availability-zone>, <volume-id>, and <instance-id> with your specific values.

⚠️ Ensure you have an IAM role with a cross-account policy.

Key Resources:

• Copy Snapshot
• Create Volume
• Attach Volume

💡 Additionally, you can consider using AWS Lambda to orchestrate the entire process, which would provide more flexibility and maintainability in the long run.