Storage system having a bus common to a plurality of kinds of groups of packages
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 24, 1996
Grant Date -
N/A
app pub date -
Nov 29, 1994
filing date -
Dec 3, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The host adaptor packages 4 and the disk adaptor packages 6 which constitute the magnetic disk subsystem 1 are connected to the common bus 3 consisting of a data bus, a control bus, and a power line in the hot replacement ready state. The packages 4 and 6 have the control means 11 and the clock generator 14 and when a failure occurs in respective packages, the package replace controller 13 mounted in the control means 11 executes the blocking processing for the bus driver 15 and the clock generator 14. If this occurs, the clock generator 14 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.
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