dbcc checkstorage includes these restrictions for the Cluster Edition:
You cannot include instance-only named caches with dbcc checkstorage. dbcc checkstorage issues this error message if you include an instance-only named cache:
The cache %1! cannot be used because it is an instance only cache
To run dbcc checkstorage against a local temporary database, you must run the command from the same instance that owns the local temporary database.
Compared to other releases, dbcc checkstorage for the Cluster Edition may report more soft faults when users in multiple instances update data. For performance reasons, dbcc checkstorage may not query the latest version of a page in the cluster, causing it to report more soft faults.
For well-partitioned applications where a single instnace updates a database, dbcc checkstorage behaves the same as earlier Adaptive Server releases.