# US 2017/0255408 A1 · Information processing apparatus, storage system, computer-readable recording medium having control program recorded therein, and method of controlling storage

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- Number: US 2017/0255408 A1
- Document ID: US20170255408A1
- Status: Published application
- Kind: A1
- Application number: 15/437,467
- Filed: 2017-02-21
- Published: 2017-09-07
- Earliest claimed: 2016-03-01
- Assignees: Fujitsu Limited
- Applicants: Fujitsu Limited
- Inventors: Hidejirou DAIKOKUYA; Yoshimasa MISHUKU; Ryota TSUKAHARA; Toshiaki TAKEUCHI; Akira Satou
- Web page: https://patentgrep.com/patent/US20170255408A1

## CPC

- G06F 3/0619: {in relation to data integrity, e.g. data losses, bit errors}
- G06F 3/067: {Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]}
- G06F 3/061: {Improving I/O performance}
- G06F 3/0622: {in relation to access}
- G06F 3/0637: {Permissions}
- G06F 3/0665: {at area level, e.g. provisioning of virtual or logical volumes}
- G06F 3/0689: {Disk arrays, e.g. RAID, JBOD}
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)

## Abstract

By providing a virtual integrated disk creating unit configured to create a single virtual integrated disk by virtually integrating storage areas of a plurality of storage devices, and a target setting unit configured to set a login target to which a login to the virtual integrated disk from an outside is made, the time to log in to storage areas in multiple storage device provided in another node can be reduced.

## Claims

### Claim 1

An information processing apparatus comprising:
a virtual integrated disk creating unit configured to create a single virtual integrated disk by virtually integrating storage areas of a plurality of storage devices; and
a target setting unit configured to set a login target to which a login to the virtual integrated disk from an outside is made.

### Claim 2 (depends on 1)

The information processing apparatus according to claim 1, further comprising a fixation processing unit configured to fix respective unique device names to the plurality of storage devices,
wherein the virtual integrated disk creating unit is configured to integrate the storage areas of the plurality of storage devices using the fixed device names.

### Claim 3 (depends on 1)

The information processing apparatus according to claim 1, wherein the virtual integrated disk creating unit is configured to classify the plurality of storage devices into a plurality of groups in accordance with disk access performances, and create respective virtual integrated disks for each of the plurality of groups by creating the virtual integrated disks with a plurality of storage devices classified in each group.

### Claim 4

A storage system comprising:
a storage server configured to manage data accesses to a plurality of storage devices; and
an information processing apparatus,
the storage server comprising:
a virtual integrated disk creating unit configured to create a single virtual integrated disk by virtually integrating storage areas of the plurality of storage devices; and
a target setting unit configured to set a login target to which a login to the virtual integrated disk from an outside is made, and
the information processing apparatus comprising:
a login processing unit configured to execute a login for the login target that is set by the target setting unit.

### Claim 5 (depends on 4)

The storage system according to claim 4, wherein
the storage server further comprises a fixation processing unit configured to fix respective unique device names to the plurality of storage devices, and
the virtual integrated disk creating unit is configured to integrate the storage areas of the plurality of storage devices using the fixed device names.

### Claim 6 (depends on 4)

The storage system according to claim 4, wherein the virtual integrated disk creating unit is configured to create respective virtual integrated disks for each of the plurality of groups, by classifying the plurality of storage devices into a plurality of groups in accordance with disk access performances, and creating the virtual integrated disks with a plurality of storage devices classified in each group.

### Claim 7 (depends on 4)

The storage system according to claim 4, further comprising a plurality of storage servers configured to manage respective data accesses to the plurality of storage devices, and
the plurality of storage servers are configured to create respective virtual integrated disks by virtually integrating storage areas of the plurality of storage devices.

### Claim 8

A computer-readable recording medium having a control program recorded therein, the control program causing a computer to execute the processing to:
create a single virtual integrated disk by virtually integrating storage areas of a plurality of storage devices; and
set a login target to which a login to the virtual integrated disk from an outside is made.

### Claim 9 (depends on 8)

The computer-readable recording medium to claim 8, wherein the control program causes the computer to execute the processing to:
fix respective unique device names to the plurality of storage devices; and
integrate the storage areas of the plurality of storage devices using the fixed device names.

### Claim 10 (depends on 8)

The computer-readable recording medium to claim 8, wherein the control program causes the computer to execute the processing to:
classify the plurality of storage devices into a plurality of groups in accordance with disk access performances, and create respective virtual integrated disks for each of the plurality of groups by creating the virtual integrated disks with a plurality of storage devices classified in each group.

### Claim 11

A method of controlling a storage in a storage system comprising a storage server configured to manage data accesses to a plurality of storage devices, and an information processing apparatus, the method comprising,
by the storage server:
creating a single virtual integrated disk by virtually integrating storage areas of the plurality of storage devices; and
setting a login target to which a login to the virtual integrated disk from an outside is made, and
by the information processing apparatus,
executing a login for the login target that is set.

### Claim 12 (depends on 11)

The method of controlling a storage according to claim 11, further comprising, by the storage server:
fixing respective unique device names to the plurality of storage devices; and
integrating the storage areas of the plurality of storage devices using the fixed device names.

### Claim 13 (depends on 11)

The method of controlling a storage according to claim 11, further comprising, by the storage server, classifying the plurality of storage devices into a plurality of groups in accordance with disk access performances, and creating respective virtual integrated disks for each of the plurality of groups by creating the virtual integrated disks with a plurality of storage devices classified in each group.

### Claim 14 (depends on 11)

The method of controlling a storage according to claim 11, wherein, in a plurality of storage servers configured to manage respective data accesses to the plurality of storage devices, by the plurality of storage servers, creating respective virtual integrated disks by virtually integrating storage areas of the plurality of storage devices.