IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0382872
(2003-03-07)
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우선권정보 |
JP-0355527 (1997-12-24) |
발명자
/ 주소 |
- Nagasawa, Teruo
- Koide, Takeshi
- Nakamura, Katsunori
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출원인 / 주소 |
|
대리인 / 주소 |
Mattingly, Stanger, Malur &
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인용정보 |
피인용 횟수 :
9 인용 특허 :
23 |
초록
▼
A storage system which includes a first storage device, and a storage control device connected to a higher level device and the first storage device. The storage control device controls reading or writing of data from or to the higher level device to or from the storage control devices. The storage
A storage system which includes a first storage device, and a storage control device connected to a higher level device and the first storage device. The storage control device controls reading or writing of data from or to the higher level device to or from the storage control devices. The storage control device can be connected to another storage control device, and can acquire device information of the other storage control device.
대표청구항
▼
1. A storage system comprising:a first storage device; and a storage control device coupled to a higher level device, an information processing device and said first storage device, wherein said storage control device controls reading or writing of data from said higher level device to said storage
1. A storage system comprising:a first storage device; and a storage control device coupled to a higher level device, an information processing device and said first storage device, wherein said storage control device controls reading or writing of data from said higher level device to said storage control device, wherein said storage control device can be coupled to another storage control device, and can acquire device information of said another storage control device, and wherein said storage control device can send said device information to said information processing device when requested by said information processing device. 2. A storage system according to claim 1, wherein said storage control device can send a request to said another storage control device for said device information of said another storage control device, and acquires said device information issued by said another storage control device in response to said request.3. A storage system according to claim 1, wherein said storage control device receives from said higher level device, an access command requesting read or write of data, and relays the received access command to said another storage control device.4. A storage system according to claim 3, further comprising:a third access path connected between said storage control device and said another storage control device, wherein said storage control device relays the received access command to said another storage control device, through said third access path, without performing a process related to said access command. 5. A storage system according to claim 1, wherein said storage control device performs either one of processing the received access command by itself, or processing to relay the received access command to said another storage control device, when said access command is received from said higher level device.6. A storage system according to claim 1, wherein said storage control device performs the process of the received access command by itself, when the process is to be performed by itself.7. A storage system according to claim 1, wherein said storage control device relays said access command to said another storage control device, when the process is to be performed to relay said access command.8. A storage system according to claim 7, further comprising:a third access path connected between said storage control device and said another storage control device, wherein said storage control device relays the received access command to said another storage control device, through said third access path without performing the process related to said access command. 9. A method in a storage system having a first storage device, a storage control device coupled to a higher level device, an information processing device and said first storage device, said method comprising the steps of:controlling, performed by said storage control device, reading or writing of data from or to said higher level device to said storage control device; coupling, performed by said storage control device, said storage control device and another storage control device; and acquiring, performed by said storage control device, device information of said another storage control device, and wherein said storage control device sends said device information to said information processing device when requested from said information processing device. 10. A storage method according to claim 9, wherein said storage control device sends a request to said another storage control device for said device information of said another storage control device, and acquires said device information issued from said another storage control device in response to said request.11. A storage method according to claim 9, wherein said storage control device receives from said higher level device, an access command requesting read or write of data, and relays the received access command to said another storage control device.12. A storage method according to claim 11, wherein said storage control device relays the received access command to said another storage control device, through a third access path, without performing a process related to said access command, said third access path being connected between said storage control device and said another storage control device.13. A storage method according to claim 9, wherein said storage control device performs either one of processing the received access command by itself, or processing to relay the received access command to said another storage control device, when said access command is received from said higher level device.14. A storage method according to claim 9, wherein said storage control device performs the process of the received access command by itself, when the process is to be performed by itself.15. A storage method according to claim 9, wherein said storage control device relays said access command to said another storage control device, when the process is to be performed to relay said access command.16. A storage method according to claim 15, wherein said storage control device relays the received access command to said another storage control device, through a third access path, without performing the process related to said access command, said third access path being connected between said storage control device and said another storage control device.
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