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AWS CloudFormation EC2 Block Device Property Type
The EC2 EBS Block Device type is an embedded property of the EC2 Block Device Mapping type.
Syntax
{
"DeleteOnTermination" : Boolean,
"Iops" : Number,
"SnapshotId" : String,
"VolumeSize" : String,
"VolumeType" : String
} Properties
- DeleteOnTermination
Determines whether to delete the volume on instance termination. The default value is "true".
Required: No.
Type: Boolean.
- Iops
The number of I/O operations per second (IOPS) that the volume supports. This can be an integer from 100 – 2000.
Required: Conditional. Required when the volume type is "io1"; not used with standard volumes.
Type: Number.
- SnapshotId
The snapshot ID of the volume to use to create a block device.
Required: Conditional. If you specify both SnapshotId and VolumeSize, VolumeSize must be equal or greater than the size of the snapshot.
Type: String.
- VolumeSize
The volume size, in gibibytes (GiB). This can be a number from 1 – 1024. If the volume type is "io1", the minimum value is 10.
Required: Conditional. If you specify both SnapshotId and VolumeSize, VolumeSize must be equal or greater than the size of the snapshot.
Type: String.
- VolumeType
The volume type. Valid values are "standard" (the default) and "io1". If you set the type to "io1", you must also set the Iops property.
Required: No.
Type: String.
Example
{
"DeviceName":"/dev/sdc",
"Ebs":{
"SnapshotId":"snap-xxxxxx",
"VolumeSize":"50",
"VolumeType":"io1",
"Iops":"1000",
"DeleteOnTermination":"false"
}
} See Also
CreateVolume in the Amazon Elastic Compute Cloud API Reference
