Inventor

YAMAMOTO YASUTOMO

JP135 patents

⚠️ This page may combine multiple inventors who share the name “YAMAMOTO YASUTOMO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YAMAMOTO YASUTOMO

HITACHI LTD

Apparatus and method for reallocating logical to physical disk devices using a storage controller, with access frequency and sequential access ratio calculations and display

Apparatus and method for reallocating logical to physical disk devices using a storage controller with access frequency and sequential access ratio calculations and display

Apparatus and method for reallocating logical to physical disk devices using a storage controller, with access frequency and sequential access ratio calculations and display

Method for controlling storage system, and storage control apparatus

Method and apparatus for data relocation between storage subsystems

Information system, data transfer method and data protection method

Computer system having an expansion device for virtualizing a migration source logical unit

Data restoring method and an apparatus using journal data and an identification information

Cluster-type storage system and managing method of the cluster-type storage system

Storage subsystem

Computer system having an expansion device for virtualizing a migration source logical unit

Device for performance tuning in a system

Information system and data transfer method

Logical volume transfer method and storage network system

Storage subsystem and performance tuning method

Data restoring method and an apparatus using journal data and an identification information

Backup copying and restoration processing in a storage subsystem

Fault recovery method in a system having a plurality of storage systems

Data restoring method and an apparatus using journal data and an identification information

Storage system that is connected to external storage

Cluster storage system and replication creation method thereof

Method for controlling storage system, and storage control apparatus

Storage system including storage adaptors having cache memories and grasping usage situation of each cache memory and equalizing usage of cache memories

Storage subsystem and performance tuning method

Control of multiple groups of network-connected storage devices

Storage system, and control method, job scheduling processing method, and failure handling method therefor, and program for each method

Computer system and a method of replication

System and managing method for cluster-type storage

Storage system

Apparatus and method for reallocating logical to physical disk devices using a storage controller, with access frequency and sequential access ratio calculations and display

Method and system for backing up data of data processing devices including fixed length block format data conversion to variable length block format

Storage device and storage subsystem for efficiently writing error correcting code

Storage unit and storage unit subsystem

Storage unit and storage unit subsystem

Storage apparatus system for reallocating data records among parity groups

Method for coupling storage devices of cluster storage

Remote copy system

Logical volume transfer method and storage network system

Storage system creating cache and logical volume areas in flash memory

Information system and data transfer method

Storage system comprising function for reducing power consumption

Management of temporary and permanent areas in nonvolatile memories of a storage system

Information system, data transfer method and data protection method

Storage system coupled to management server and a monitoring method of a stopped device executed by the storage system

Storage system that is connected to external storage

Control method of device in storage system for virtualization

Fault recovery method in a system having a plurality of storage system

Information processing system, control method for information processing system, and storage system

YAMAMOTO YASUTOMO

Apparatus for reallocating logical to physical disk devices using a storage controller and method of the same

Storage system including a virtual volume, a plurality of disk drives and a plurality of flash memory devices