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특허 상세정보

Array disk controller for grouping host commands into a single virtual host command

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G06F-013/00   
미국특허분류(USC) 395/825 ; 395/844 ; 395/441 ; 395/421.1
출원번호 US-0043841 (1993-04-07)
우선권정보 JP-0227320 (1992-08-26)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Antonelli, Terry, Stout & Kraus, LLP.
인용정보 피인용 횟수 : 45  인용 특허 : 17
초록

A plurality of commands which may be sent sequentially from a host computer are interpreted by a host command interpreter to generate a disk command for each disk unit. When these commands make up an access demand for a single continuous area, they are grouped into a single command, which is executed substantially at the same time at each disk unit. Also, a plurality of RMW processing systems having different command issued to disk units are available. A selection condition is detected from the I/O demand information supplied by a host computer, and an o...

대표
청구항

[ We claim:] [2.] An array disk controller to which a plurality of disk units are connected, comprising:means for receiving a host command from a host computer requesting access to data stored in j disk units (j: an integer; J.gtoreq.1) connected to said array disk controller, and notifying an end of the host command to said host computer;means for temporarily storing host commands successively issued by the host computer in a queue;means for extracting and grouping, from among the host commands stored in said queue, m host commands (m: an integer; m.gto...

이 특허에 인용된 특허 (17)

  1. Latimer Robert A. (Plymouth Meeting PA) Heileman ; Jr. David W. (West Chester PA). Apparatus for interfacing a real-time communication link to an asynchronous digital computer system by utilizing grouped. USP1993105255371.
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  12. Gembarowski Mark L. (Ft. Collins CO). Method for recovery from synchronization loss in a queued data transfer. USP1990074942523.
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  14. Fry Scott M. (Tucson AZ) Hempy Harry O. (Tucson AZ) Kirkpatrick Charles R. (Tucson AZ) Kittinger Bruce E. (Fort Collins CO). Queuing commands in a peripheral data storage system. USP1984074458316.
  15. Hartung Michael H. (Tucson AZ) Nolta Arthur H. (Tucson AZ) Reed David G. (Tucson AZ). Roll mode for cached data storage. USP1986044583166.
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