encryption At Rest Options
Parameters
Whether the domain should encrypt data at rest, and if so, the AWS KMS key to use. See Encryption of data at rest for Amazon OpenSearch Service . If no encryption at rest options were initially specified in the template, updating this property by adding it causes no interruption. However, if you change this property after it's already been set within a template, the domain is deleted and recreated in order to modify the property.
Parameters
Whether the domain should encrypt data at rest, and if so, the AWS KMS key to use. See Encryption of data at rest for Amazon OpenSearch Service . If no encryption at rest options were initially specified in the template, updating this property by adding it causes no interruption. However, if you change this property after it's already been set within a template, the domain is deleted and recreated in order to modify the property.