Describes a block device mapping.
The device name exposed to the instance (for example,
The virtual device name (
ephemeralN). Instance store volumes are numbered
starting from 0. An instance type with 2 available instance store volumes can specify mappings
ephemeral1.The number of available instance store
volumes depends on the instance type. After you connect to the instance, you must mount the
Constraints: For M3 instances, you must specify instance store volumes in the block device mapping for the instance. When you launch an M3 instance, we ignore any instance store volumes specified in the block device mapping for the AMI.
Parameters used to automatically set up Amazon EBS volumes when the instance is launched.
Suppresses the specified device included in the block device mapping of the AMI.