This (short) paper presents the Clockwise, a mixed-media file system. The primary goal of the Clockwise is to provide a storage architecture that supports the storage and retrieval of best-effort and real-time file system data. Clockwise provides an abstraction called a dynamic partition that groups lists of related (large) blocks on one or more disks. Dynamic partition can grow and shrink in size and reading or writing of dynamic partitions can be scheduled explicitly. With respect to scheduling, Clockwise uses a novel strategy to pre-calculate schedule slack time and it schedules best-effort requests before queued real-time requests in this slack time.
|Title of host publication||IEEE Int. Conf. on Multimedia Computing and Systems (ICMCS)|
|Place of Publication||Los Alamitos, California|
|Publisher||IEEE Computer Society|
|Number of pages||5|
|Publication status||Published - Jun 1999|