JPH04333908A - information processing equipment - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information processing apparatus incorporating a plurality of devices such as hard disks, optical disks, and magneto-optical disks.

These disk devices are becoming larger in capacity and smaller in size, and are also used for data storage in database management systems and the like.

[0003] In this case, it is particularly important for the operation of the system whether or not the stored data that becomes necessary can be accessed immediately.

0004

2. Description of the Related Art In many cases, a plurality of devices are connected to a predetermined interface via a bus or the like, and each device is initialized at the same time when power is turned on.

[0005] Furthermore, even if a failure occurs in any of the devices, an initialization signal is sent from the interface and all devices are initialized at the same time.

[0006]

[Problem to be Solved by the Invention] Conventionally, when a failure occurs in one of the devices (due to external noise, etc.), other devices are also initialized to recover from the problem. All devices become inaccessible and system operation remains suspended until all devices are initialized.

The present invention has been made in view of the above-mentioned circumstances, and its purpose is to provide an information processing apparatus that enables device failure recovery without interrupting system operation. .

[0008]

Means for Solving the Problems In order to achieve the above object, an apparatus according to the present invention is constructed as shown in FIG.

[0009] In the figure, the device according to the first invention includes:
A device control means 12 that controls the plurality of devices 10-1, 10-2...10-N, and each device 10-1,
A power supply means 14 for supplying power to the devices 10-2...10-N, and a power supply path opening/closing means 16- inserted into the power supply paths of the devices 10-1, 10-2...10-N, respectively.
1, 16-2...16-N and the specified device 1
Power supply path opening/closing means 16-1, 16-2...16-N inserted into the power supply path of 0-1, 10-2...10-N
and device initialization means 18 for controlling opening and closing.

Further, the apparatus according to the second invention includes a device control means 12 for controlling a plurality of devices 10-1, 10-2...10-N, and devices 10-1, 10-2...
・Failure occurrence detection means 20 for detecting failure occurrence of 10-N
and the devices 10-2 and 10- where the occurrence of the failure was detected.
2... Initialization device designation means 22 for designating 10-N as a target for initialization, and each device 10-1, 10-
2...12-N, and power supply path opening/closing means 16-1 inserted into the power supply paths of the devices 10-1, 10-2...10-N, respectively. 1
6-2...16-N and the specified device 10-1
, 10-2...10-N power supply path opening/closing means 16-1, 16-2...16-N power supply path opening/closing means 16-1, device initialization means 18 for controlling opening/closing of the power supply paths 16-1, 16-2...16-N. There is.

[0011]

[Operation] In the first invention, when a faulty device 10-1, 10-2... or 10-N is specified, that device 10-1, 10-2... or 10-N is specified.
Only N is initialized when the power is turned on again.

Furthermore, in the second aspect of the invention, the devices 10-1, 10-2, . . . , 10-N in which a failure has occurred are automatically designated as those to be initialized.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the information processing apparatus according to the present invention will be described below with reference to FIGS. 2 and 3.

FIG. 2 illustrates the configuration of an embodiment, in which a plurality of hard disks 10-1, 10-2, . . .
10-N connects to the processing device main body 3 via the interface 30.
It is accessed from 2.

[0015] Then, the hard disk device 10-1, 1
0-2...10-N are supplied with power from the power supply unit 14, and the hard disk devices 10-1, 10-2
...10-N, its initialization starts when the power is turned on.

[0016] Also, hard disk devices 10-1, 10
-2...10-N power supply path has a switch 16-1.
, 16-2 . . . 16-N are inserted, and these switches 16-1, 16-2 .

In FIG. 3, the operation of this embodiment is explained using a flowchart, and when the processing device main body 32 accesses the hard disk device 10-1, 10-2... YES), it is determined whether there is a response to this access (step 3).
02).

[0018] If it is confirmed that there is no response at that time (
(NO in step 302), the processing device main unit 32 determines that a failure has occurred in the accessed hard disk device 10-1, 10-2, . . . or 10-N (step 304). -1,1
A switch control signal instructing the initialization of 0-2...10-N is sent to the switch driver 18 (step 30).
6).

The switch driving section 18 immediately opens the corresponding switch 16-1, 16-2... or 16-N, and then opens the switch 16-1, 16-N after a certain period of time has passed.
The switch opening/closing drive for closing 6-2... or 16-N is performed according to the switch control signal (step 30).
8).

[0020] As a result, the hard disk devices 10-1 and 10- that have been confirmed to have no response to access
2... or only 10-N is powered on again (step 310), and the hard disk drives 10-1, 10 are turned on again (step 310).
-2... or 10-N alone (step 312).

[0021]Then, the hard disk drives 10-1, 10-2, .
4), if recovery from the failure is not confirmed at this time (NO in step 314), the user is notified of the occurrence of a failure in the hard disk drive 10-1, 10-2... or 10-N. (Step 316).

As explained above, according to this embodiment, the hard disk devices 10-1, 10-2, .
...or only the hard disk drive 10-N is initialized by turning the power back on, so the other hard disk drives 10-1, 10-2
...10-N can be used to continue operating the system.

[0023] Moreover, the hard disk drives 10-1, 10-2, which failed to be initialized by turning the power back on,...
- or 10-N, the failure can be recovered in a short time, and therefore the impact on system operation is negligible.

Furthermore, hard disk devices 10-1, 1
0-2...10-N and the failure recovery is automatically performed, and the failure is notified only when recovery is not possible, so the user does not feel uncomfortable.

Furthermore, since the interface 30 can be used as is without modification, compatibility can be ensured.

[0026]

[Effects of the Invention] As explained above, according to the present invention, only the device in which a failure has occurred is powered on again to recover from the failure, so other devices can be used as they are. This makes it possible to avoid interruptions.

[Brief explanation of drawings]

FIG. 1 is a diagram explaining the principle of the invention.

FIG. 2 is an explanatory diagram of the configuration of the embodiment.

FIG. 3 is a flowchart illustrating the operation of the embodiment.

[Explanation of symbols]

10-1, 10-2...10-N Hard disk device 14 Power supply section 16-1, 16-2...16-N Switch 18 Switch drive section 30 Interface 32 Processing device main body

Claims (2)

[Claims] [Claim 1] A plurality of devices (10-1, 10-2
...10-N) device control means (12) for controlling the
and each device (10-1, 10-2...10-N)
a power supply means (14) for supplying power to the device (
power supply path opening/closing means (16-1, 16-2) inserted into the power supply paths of the power supply paths (10-1, 10-2...10-N), respectively;
...16-N) and the specified device (10-1,
device initialization means (18) for controlling the opening and closing of the power supply path opening/closing means (16-1, 16-2...16-N) inserted into the power supply path of the power supply paths (10-2...10-N); An information processing device comprising: [Claim 2] A plurality of devices (10-1, 10-2
...10-N) device control means (12) for controlling the
, a failure detection means (20) for detecting the occurrence of a failure in the device (10-1, 10-2...10-N), and a device (10-2, 10-2...10-N) in which the failure has been detected.・
- Initialization device specifying means (22) for specifying the device (10-N) as a target for initialization, and each device (10-1, 10-N)
-2...12-N)
14) and the device (10-1, 10-2...10-
power supply path opening/closing means (16-1, 16-2...16-N) inserted into the power supply paths of N), and designated devices (10-1, 10-2...10-). N) power supply path opening/closing means (16-1, 16-
2...16-N) device initialization means (18) for controlling opening and closing of the information processing apparatus.