# Package org.apache.geode.cache.persistence

- Interface Summary
  Interface | Description
  --- | ---
  PersistentID | A pattern describing a single member's a set of persistent files for a region.

- Exception Summary
  Exception | Description
  --- | ---
  ConflictingPersistentDataException | Thrown when a member with persistence is recovering, and it discovers that the data it has on disk was never part of the same distributed system as the members that are currently online.
  PartitionOfflineException | Thrown when a paritioned region is configured for disk persistence, and part of the data is stored on members that are known to be offline.
  PersistentReplicatesOfflineException | Thrown when a replicated region is configured for persistence on some members but none of those members are currently online.
  RevokedPersistentDataException | Thrown when a member with persistence is recovering, and it discovers that other members in the system have revoked the persistent data stored on this member.
  RevokeFailedException | Thrown when a member tries to revoke a persistent ID, but the member with that persistent ID is currently running.