The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 25, 2007
Filed:
Dec. 05, 2003
Tsuyoshi Tanaka, Kokubunji, JP;
Keitaro Uehara, Kokubunji, JP;
Yuji Tsushima, Hachioji, JP;
Naoki Hamanaka, Tokyo, JP;
Daisuke Yoshida, Hadano, JP;
Yoshinori Wakai, Hadano, JP;
Tsuyoshi Tanaka, Kokubunji, JP;
Keitaro Uehara, Kokubunji, JP;
Yuji Tsushima, Hachioji, JP;
Naoki Hamanaka, Tokyo, JP;
Daisuke Yoshida, Hadano, JP;
Yoshinori Wakai, Hadano, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Disclosed herein is a computer system provided with a mechanism for connecting a single port disk to an active server and the disk to a standby server when in a fail-over processing. An 'add_pci' command issued from a clustering program is used to let a control program change the allocation of a PCI slot while an interruption signal issued to a standby server permits an ACPI processing routine to hot-add a PCI card that includes the disk unit on the subject guest OS.