18443860. UNIFIED STORAGE SYSTEM AND UPGRADE METHOD THEREFOR (Hitachi, Ltd.)
Contents
UNIFIED STORAGE SYSTEM AND UPGRADE METHOD THEREFOR
Organization Name
Inventor(s)
Takayuki Fukatani of Tokyo (JP)
UNIFIED STORAGE SYSTEM AND UPGRADE METHOD THEREFOR
This abstract first appeared for US patent application 18443860 titled 'UNIFIED STORAGE SYSTEM AND UPGRADE METHOD THEREFOR
Original Abstract Submitted
A unified storage system is capable of reducing hardware costs by effectively utilizing a previously used storage controller when upgrading a storage controller in a unified storage and an upgrade method for the unified storage system is possible. The unified storage system A includes: a storage node having a controller; and a storage device configured to store data. In the unified storage system, the unified storage system supports block access and file access, the unified storage system includes a file system, which is configured to process file access from a client and perform block access to the controller, the controller processes block access from the client and block access from the file system to access the storage device which stores the data, and the unified storage system is capable of adding a network-connected information apparatus and is capable of migrating the file system to the information apparatus.