The type of HSM to use in the cluster. Currently the only allowed value is <code>hsm1.medium</code>.
SourceBackupIdstring
The identifier (ID) of the cluster backup to restore. Use this value to restore the cluster from a backup instead of creating a new cluster. To find the backup ID, use <a>DescribeBackups</a>.
SubnetIdsSubnetId[] required
<p>The identifiers (IDs) of the subnets where you are creating the cluster. You must specify at least one subnet. If you specify multiple subnets, they must meet the following criteria:</p> <ul> <li> <p>All subnets must be in the same virtual private cloud (VPC).</p> </li> <li> <p>You can specify only one subnet per Availability Zone.</p> </li> </ul>