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1. US20210349652 - COMPUTER APPARATUS, COMPUTER SYSTEM, AND DATA MIGRATION METHOD

Office
United States of America
Application Number 17203426
Application Date 16.03.2021
Publication Number 20210349652
Publication Date 11.11.2021
Publication Kind A1
IPC
G06F 3/06
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
06Digital input from, or digital output to, record carriers
CPC
G06F 3/067
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
06Digital input from or digital output to record carriers ; , e.g. RAID, emulated record carriers, networked record carriers
0601Dedicated interfaces to storage systems
0668adopting a particular infrastructure
067Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
G06F 3/0647
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
06Digital input from or digital output to record carriers ; , e.g. RAID, emulated record carriers, networked record carriers
0601Dedicated interfaces to storage systems
0628making use of a particular technique
0646Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
0647Migration mechanisms
G06F 3/0614
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
06Digital input from or digital output to record carriers ; , e.g. RAID, emulated record carriers, networked record carriers
0601Dedicated interfaces to storage systems
0602specifically adapted to achieve a particular effect
0614Improving the reliability of storage systems
G06F 3/0659
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
06Digital input from or digital output to record carriers ; , e.g. RAID, emulated record carriers, networked record carriers
0601Dedicated interfaces to storage systems
0628making use of a particular technique
0655Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
0659Command handling arrangements, e.g. command buffers, queues, command scheduling
Applicants Hitachi, Ltd.

Inventors Yoshihito AKIMOTO
Yuki KOIZUMI
Hiroshi SUZUKI
Chieko AKIBA
Priority Data 2020083115 11.05.2020 JP
Title
(EN) COMPUTER APPARATUS, COMPUTER SYSTEM, AND DATA MIGRATION METHOD
Abstract
(EN)

A computer system includes a use state analysis program that acquires a use history of data in a first computer system and a program that uses the data; and a data migration program that extracts data that is able to be migrated from the first computer system to a second computer system on the basis of the use history, writes the migratable data to a first storage system and a second storage system, and migrates a program to the second computer system on the basis of a use history of the data used by the program.


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