UnavailableException Properties | 
The UnavailableException type exposes the following members.
| Name | Description | |
|---|---|---|
| AliveReplicas | 
             Gets the number of replica that were known to be alive by the Cassandra coordinator node when it tried to execute the operation. 
              | |
| Consistency | 
             Gets the consistency level of the operation triggering this unavailable exception. 
              | |
| RequiredReplicas | 
            Gets the number of replica acknowledgements/responses required to perform the operation (with its required consistency level). 
              |