public String getDriveCacheType() {
        return this.driveCacheType;
    }
<p>
The type of drive cache used by <code>PERSISTENT_1</code> file systems that are provisioned with HDD storage
devices. This parameter is required when storage type is HDD. Set this property to <code>READ</code> to improve
the performance for frequently accessed files by caching up to 20% of the total storage capacity of the file
system.
</p>
<p>
This parameter is required when <code>StorageType</code> is set to <code>HDD</code>.
</p>

@return The type of drive cache used by <code>PERSISTENT_1</code> file systems that are provisioned with HDD
        storage devices. This parameter is required when storage type is HDD. Set this property to
        <code>READ</code> to improve the performance for frequently accessed files by caching up to 20% of the
        total storage capacity of the file system.</p>
        <p>
        This parameter is required when <code>StorageType</code> is set to <code>HDD</code>.
@see DriveCacheType
aws-java-sdk-fsx/src/main/java/com/amazonaws/services/fsx/model/CreateFileSystemLustreConfiguration.java