S
Shoji Kodama
Researcher at Hitachi
Publications - 88
Citations - 1673
Shoji Kodama is an academic researcher from Hitachi. The author has contributed to research in topics: Computer data storage & Stub file. The author has an hindex of 23, co-authored 88 publications receiving 1673 citations.
Papers
More filters
Patent
Direct access storage system with combined block interface and file interface access
Shoji Kodama,Akira Yamamoto +1 more
TL;DR: A storage system includes a storage controller and storage media for reading data from or writing data to the storage media in response to block-level and file-level I/O requests as discussed by the authors.
Patent
Data replication with rollback
Shoji Kodama,Kenji Yamagami +1 more
TL;DR: In this article, a storage device can selectively replicate one or more data portions from a real dataspace to a virtual one, and for selective rollback of data portions to the real one.
Patent
Failover and data migration using data replication
TL;DR: In this article, a virtual volume module in a host system provides virtual volume view to user-level and system-level applications executing on the host system, which can map application I/O's to a second volume in a second storage system.
Patent
Multiple processor data processing system with mirrored data for distributed access
Shoji Kodama,Akira Yamamoto +1 more
TL;DR: In this article, a data storage includes multiple disk units accessible to multiple processors/servers, including a master disk unit and a one or more data-mirroring disk units.
Patent
Storage system and snapshot management method
TL;DR: In this article, the authors propose a snapshot management method for storage systems, where the first storage controller receives a request from the host computer to create a snapshot in the second storage controller, it suspends transferring differential data to the second controller, creates a new first snapshot, and transfers differential data for the created first snapshot together with the untransferred differential data from a previous first snapshot for which transferring had been suspended, to another storage controller.