Title:
リモートI/Oを構成する計算機システム及びI/Oデータ転送方法
Document Type and Number:
Japanese Patent JP4809166
Kind Code:
B2
Abstract:
To improve throughput in data transfer in a remote I/O system, this invention provides a computer system including: a host computer; a device which communicates with the host computer; and a network which connects the host computer and the device, in which the device is coupled to the network via a device bridge including a bridge memory, and the host computer includes a host memory and a device driver. The device driver writes, when at least one of data and an address is written in the host memory, in the bridge memory the at least one of the data and address stored through the writing in the host memory; and sends a data transfer request to the device bridge, and the device bridge reads, upon reception of the data transfer request, an address from a predetermined area; and reads data from an area that is indicated by the read address.
Inventors:
Jun Okitsu
Yoshiko Yasuda
Takanari Baba
Yoshiko Yasuda
Takanari Baba
Application Number:
JP2006241238A
Publication Date:
November 09, 2011
Filing Date:
September 06, 2006
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
G06F13/28
Domestic Patent References:
| JP2000235542A | ||||
| JP2004199420A | ||||
| JP8006893A |
Attorney, Agent or Firm:
Masaki Goto
Masahiro Fujii
Masaaki Iida
Masahiro Fujii
Masaaki Iida