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:
Mar. 06, 2001
Filed:
May. 29, 1998
Mitsuru Inoue, Odawara, JP;
Hiroyuki Kurosawa, Hiratsuka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The host adaptor packages,and the disk adaptor packages,which constitute the magnetic disk subsystem,are connected to the common bus,consisting of a data bus, a control bus, and a power line in the hot replacement ready state. The packages,and,have the control means,and the clock generator,and when a failure occurs in respective packages, the package replace controller,mounted in the control means,executes the blocking processing for the bus driver,and the clock generator,If this occurs, the clock generator,enters the stopped state, so that the circuit in the package enters the reset state and the package function is stopped, that is, the package enters the blocked state. As a result, hot replacement of the closed package can be executed without affecting the operation of the system.