root device volume
Technology› Parallel Computing› Cloud Computing
Amazon Web Services
Contains the image used to boot the instance. If you launched the instance from an AMI backed by instance store, this is an instance store volume created from a template stored in Amazon S3. If you launched the instance from an AMI backed by Amazon EBS, this is an Amazon EBS volume created from an Amazon EBS snapshot.
- — AWS ElastiCache User Guide Glossary retrieved 2014-05-26