IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0272706
(2011-10-13)
|
등록번호 |
US-8291177
(2012-10-16)
|
발명자
/ 주소 |
- Devassy, Varghese
- Kottomtharayil, Rajiv
- Vijayan Retnamma, Manoj Kumar
|
출원인 / 주소 |
|
대리인 / 주소 |
Knobbe Martens Olson & Bear LLP
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
215 |
초록
▼
A method for dynamically allocating control of a storage device, the method comprising receiving an access request from a first computer requesting access to a storage device; directing, based upon the access request, a first storage controller computer to assume an inactive state with respect to co
A method for dynamically allocating control of a storage device, the method comprising receiving an access request from a first computer requesting access to a storage device; directing, based upon the access request, a first storage controller computer to assume an inactive state with respect to control of the storage device; and directing, based upon the access request, a second storage controller computer to assume an active state with respect to control of the storage device.
대표청구항
▼
1. A system for allocating control of storage media, the system comprising: storage media;one or more computer processors configured to execute a first module that directs storage operations performed by the storage media;one or more computer processors configured to execute a second module that dir
1. A system for allocating control of storage media, the system comprising: storage media;one or more computer processors configured to execute a first module that directs storage operations performed by the storage media;one or more computer processors configured to execute a second module that directs storage operations performed by the storage media; anda third module that directs, based upon the type of data associated with a storage operation, the first module to assume a deactivated state with respect to control of the storage media and to direct the second module to assume an active state with respect to control of the storage media, andpath data indicative of a network path to the storage media. 2. The system of claim 1, wherein the third module receives the path data from the second module when in the active state. 3. The system of claim 1, wherein the second module is configured to mount the storage media when put into the active state. 4. The system of claim 1, wherein the storage media comprises a set of media having a plurality of tapes spanning one or more drive pools. 5. The system of claim 1, wherein each of the first and second modules, when in a deactivated state, is configured to execute a listening process for detecting communication from the third module to assume an active state with respect to the storage media. 6. The system of claim 1, wherein the first and second modules are associated, respectively, with first and second databases, wherein each of the first and second databases is configured to store the path data. 7. The system of claim 1, wherein the third module is associated with a third database for storing information relating to which of the first and second modules is controlling the storage media. 8. The system of claim 1, wherein the third module is further configured to assign control of the storage media to another module if the first module becomes unavailable. 9. A method for allocating control of storage media, the method comprising: providing one or more computer processors with a first module executing therein that is configured to direct storage operations performed by storage media;providing one or more computer processors with a second module executing therein that is configured to direct storage operations performed by the storage media;directing with a third module, based upon a priority of a storage operation, the first module to assume a deactivated state with respect to control of the storage media and to direct the second module to assume an active state with respect to control of the storage media; andstoring path data indicative of a network path to the storage media. 10. The method of claim 9, wherein the path data is generated by the second module when in the active state. 11. The method of claim 9, wherein the second module mounts the storage media when in the active state. 12. The method of claim 9, wherein the storage media comprises a set of media having a plurality of tapes spanning one or more drive pools. 13. The method of claim 9, wherein each of the first and second modules, when in the deactivated state, executes a listening process for detecting communication from the third module to assume an active state with respect to the storage media. 14. The method of claim 9, wherein the first and second modules are associated, respectively, with first and second databases, wherein each of the first and second databases is configured to store the path data. 15. The method of claim 9, wherein the third module is associated with a third database for storing information relating to which of the first and second modules is controlling the storage media. 16. The method of claim 9, wherein the third module assigns control of the storage media to another module if the first module becomes unavailable.
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