question: private boolean isSnapshotSessionSupported ( BlockSnapshot snapshot ) { boolean isSupported = false ; URI systemURI = snapshot . getStorageController ( ) ; StorageSystem system = dbClient . queryObject ( StorageSystem . class , systemURI ) ; if ( ( system != null ) && ( system . checkIfVmax3 ( ) ) ) { s_logger . info ( "BlockSnapshotSession supported for snapshot {}:{}" , snapshot . getId ( ) , snapshot . getLabel ( ) ) ; isSupported = true ; } return isSupported ; }
target:  Determines if the storage system for the passed BlockSnapshot instance supports snapshot sessions.