JP4071419B2 - Disk array device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is equipped with the control unit internal disk, power supply and the upper and internal disk and power supply to the base enclosure and expansion equipped with input and output in tough Esu with the lower purposes, the input and output in tough Esu in the disk array It belongs to a disk array device to which an additional chassis can be connected.
[0002]
[Prior art]
Conventionally, on the premise that the system is not stopped, there is no interlocking sequence between cases at the time of starting and stopping. Therefore, it is necessary to manually operate the power switch for each case when starting and stopping. Further, as described in Japanese Patent Laid-Open No. 10-98839 “Uninterruptible Power Supply and its Interlocking Operation Method” as using UPS (Uninterruptible Power Supply), UPS, server and disk array using operation management device There is a system that controls etc.
[0003]
[Problems to be solved by the invention]
In the case of the system as described above, when stopping the apparatus, after the stop process of the basic chassis, the power of the additional chassis connected to the basic chassis must be turned off one by one. When starting up the apparatus, it is necessary to turn on the power supply of the basic enclosure after turning on the power supply of all the additional enclosures. Alternatively, when the power source is left as it is, the power source is kept on and the cooling FAN is also rotated, which is not preferable in terms of power consumption and noise. Further, not only an expensive UPS but also an operation management device or the like is used for a system using the UPS, and power supply control of an additional chassis is provided in accordance with the basic chassis.
[0004]
[Means for Solving the Problems]
A PDB (Power Distribution Box) that supplies AC power to the basic chassis and additional chassis of the disk array has a function to turn on / off the AC output for each output connector, and the output is turned on / off by a signal from the basic chassis. It can be turned off. In addition, the PDB can send a signal from this basic housing to the adjacent output by switching a switch beside each output connector, and a plurality of adjacent outputs can be output by a signal from one basic housing. ON / OFF can be controlled. As a result, the power supply of the additional chassis can be turned on / off corresponding to the operation of the basic chassis.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
As in FIG. 1, the disk array device is configured with basic chassis 102 by additional chassis Ι103 and additional chassis Pai104. Basic chassis 102, 2 system power 109, 110 and 2 system output in tough Eisu 105, 106 control unit 2 system (controller 0) 107 and (controller 1) 108, the access from the controllers 107 and 108 an apparatus constituted by discs device 111, the host 101 and the base enclosure 102 are connected by the aforementioned input and output in tough Esu 105,106. Additional chassis 103 and 104 equipped with a plurality of additional disks can be connected to the basic chassis 102 as necessary. In tough Esu 118 and 121 between the respective disk devices 119 and 120 in the additional controller 107, 108 housing 103, 104 of the basic chassis 102 is generally a SCSI, an in-tough Esu such fiber channel, It does not have special functions such as power control.
[0006]
Here, in this embodiment, the basic chassis 102 and the additional chassis 103 and 104 have two independent power sources 109 , 110 , 114, and 115, respectively. Connected to. The 1-system and 2-system power supplies 122 and 124 are dual power supplies.
Operation with only one unit is possible. The basic chassis 102 has a power supply control unit 113 and can control the power supplies 109 and 110, the controllers 107 and 108, and the disk devices 111 and 112 in the basic chassis 102 .
[0007]
In the basic casing 102, when the power supply 109 , 110 is turned on, power is first supplied only to the power supply control unit 113 , and the power control unit 113 is turned on. , 107 and the disk devices 111 and 112 are supplied with power. The power supply 109, 110 OFF times, first by the switch of the power supply control unit 113 is turned OFF, the power control unit 113 sends a signal to start the stopping process for each controller 106, 107. As a result, the controllers 106 and 107 execute a stop process, and when this is completed, the controller 106 notifies the power supply control unit 113 that the stop process has ended. After the power control unit 113 which has received the signal from the stop process ends from both controllers 106, 107, it stops power supply to each controller 106, 107 and a disk device 111, 112. On the other hand, the additional enclosures 103 and 104 do not have a power control unit, and power is supplied to the disk devices 119 and 120 when the switches of the power supplies 114 and 115 are turned on. The power control unit 113 of the basic chassis 102 in this system starts the power supply to the external power supply devices 122 and 124 that the switch ON and the stop processing of the controllers 106 and 107 have been completed. It has a function of outputting as a stop signal, and these signals are sent to the power supply devices 122 and 124 through the dedicated interlock cables 116 and 117.
[0008]
FIG. 2 shows the internal configuration of the power supply devices 122 and 124 . This device distributes the power input from the power connector 210 to the five outputs 209 via the main breaker 206 , and each output 209 can be controlled to be turned ON / OFF by a relay 208. is there. The interlock cables 116 and 117 with the basic casing 102 are connected to the connectors 202-4 of the power supply devices 122 and 124 . This signal is input to the relay control circuit 205-4 . The connection of the interlock cables 116 and 117 to the connector 202-4 is transmitted to the local / remote detection circuit 204-4 through a signal line , and the relay control circuit 205-4 is set to the remote mode. Connected to the output connector 209-4 are the power supplies 114, 115 of the additional enclosures 103 , 104 connected to the basic enclosure 102 connected by the interlock cables 116 , 117 described above. The relay control circuit 205-4 set to the remote mode controls the relay 208-4 that can turn on / off the AC power in accordance with a signal from the basic chassis 102, and controls the power supplies 114 and 115 of the additional chassis 103 and 104. Turn ON / OFF. In the local mode, the signal from the basic case is ignored.
[0009]
When the interlock cables 116 and 117 from the basic housing 102 are connected to the connector 202-4, if the switch 203-3 is set to remote, the switch 203-3 is turned on and the signal from the basic housing 102 is relayed. It is also transmitted to the control circuit 205-3. The fact that the switch 203-3 is turned on is notified to the local / remote detection circuit 204-3, and the local / remote detection circuit 204-3 sets the relay control circuit 205-3 to the remote mode. Thereby, the power ON / OFF of a plurality of additional enclosures can be controlled from one basic enclosure.
[0010]
The connector 207 is an output of a control signal from the basic casing 102 and can output a signal received by the power supply devices 122 and 124, and is connected to an input of another power supply device, for example, the connector 202-5. By doing so, it is possible to link the output 209-5 which is this output. As a result, even when the power supply devices 122 and 124 have only five outputs 209 as shown in the figure, it is possible to link five or more additional enclosures 103 and 104 .
[0011]
FIG. 3 shows a schematic logic diagram of the local / remote detection circuit 204-4 and the relay control circuit 205-4 . The local / remote detection circuit 204-4 sends a remote ON signal to the relay control circuit 205-4 when the interlocking cables 116, 117 with the basic casing 102 are connected or the interlocking switch is ON. When a remote ON signal is input, the relay control circuit 205-4 controls the relay 208 according to the output ON / OFF signal that is input. Time monitoring circuit 306 is for reducing the inrush current when the relay 208 ON, all relays 208 are prevented from becoming an ON time or at output ON signal Input ON the main breaker 206.
[0012]
FIG. 4 shows a control flow when the power is turned off. The base chassis 102 is powered off (402) , the stop process starts (403) , the cache write process is performed (404) , and the additional chassis 103 and 104 are powered on (408). The contents of the cache of the housing 102 are written (409) . This cache is due to the use of volatile memory, after the power is turned off is carried out to prevent Mau to disappear contents. After the basic casing 102 finishes the stop process (405) , AC is supplied (412), and a stop signal is transmitted to the power supply devices 122 and 124 . When the power supply devices 122 and 124 recognize the end of the stop process (413), the AC supply of the additional enclosures 103 and 104 is cut off ( 414 ) .
[0013]
The basic chassis 102 turns off the power supplies 109 and 110 except for the battery switch at the same time as the power supply devices 122 and 124 stop the AC supply of the additional chassis 103 and 104 (406) .
[0014]
FIG. 5 shows a control flow when the power is turned on. When the power supplies 109 and 110 of the basic chassis 102 are turned on (502), the controllers 107 and 108 start the activation process (503) . Further, in conjunction with power-on, a power-on signal is transmitted to the power supply devices 122 and 124 . When the power supply devices 122 and 124 receive the power-on signal from the basic chassis 102 (509), the AC supply to each of the additional chassis 103 and 104 is resumed (510) . Each additional enclosure 103, 104 is powered on (507). However, AC supply is started for each housing to prevent inrush current. Basic enclosure 102, after the activation process is completed (504) may access the additional chassis (505).
[0015]
FIG. 6 shows a configuration example. In this configuration, and additional enclosure eight to one basic enclosure is connected, the connector base enclosure 602 to interlock the connectors 612-2 connected additional chassis 601-1～601-8 609 And an interlocking cable 606 . The switches 607-2 to 607-4 are set on the remote side, and the outputs 612-3 to 612-5 are controlled in conjunction with the basic casing 602 together with the output 612-2. The output connector 610 is connected to the input connector 611 of another power supply device 603-2 , and the output 612-6 is interlocked. The switches 607-5 to 607-7 are set on the remote side, and the power supply is linked to the eight additional enclosures 601-1 to 601-8 by a single basic enclosure 602 . The switch 607-8 is set to the local side, and the output 612-10 is not interlocked.
[0016]
【The invention's effect】
Basic chassis and additional chassis can be planned without turning on / off each chassis power switch by turning on / off the power monitoring / control monitor switch of the basic chassis by providing a power supply device. You can stop and start up. In addition, by cutting off the power supply to the expansion enclosure when the expansion enclosure is not in use, it can be expected to save unnecessary power consumption and to reduce noise by stopping the cooling FAN.
[0017]
In addition, by providing the power supply device, it is possible to select up to which case the AC supply to the case is interlocked by the internal switch and the interlocking cable. Furthermore, since it can be connected at an arbitrary port, it can be used by connecting to. When existing outlets are insufficient due to the addition of additional enclosures, it is easy to add linked outlets by connecting the power supply devices with cables, and the number of enclosures to be added is not limited.
[Brief description of the drawings]
FIG. 1 is a detailed system configuration diagram of the present invention .
FIG. 2 is a detailed configuration diagram of a power supply device .
FIG. 3 is a schematic logic diagram of a power supply device .
FIG. 4 is a control flow when power is turned off .
FIG. 5 is a control flow at power-on .
FIG. 6 is a system configuration example .
[Explanation of symbols]
101 ... Host 102 ... Basic chassis 103 ... Additional chassis
104 ... Additional chassis
105, 106 ... Host interface 107, 108 ... Controller 109 ... Basic chassis power supply 1 system 110 ... Basic chassis power supply 2 system 111, 112 ... Disk drive 113 ... Power supply controller 114 ... Expansion Enclosure power supply 1 system 115 ... Expansion enclosure power supply 2 system 116, 117 ... Interlocking cable 118 ... Disk interface 119, 120 ... Disk device 121 ... Disk interface 122 ... Power supply device 1 system 123 ... Power cable 124 Power supply device 2 series 202-1 to 202-5 Interlocking signal input connectors 203-1 to 203-4 Interlocking connection switches 204-1 to 204-5 Local / remote detection circuit 205-1~ 205- 5 ‥‥ relay control circuit 206 ‥‥ main breaker 207 ‥‥ out interlocking signal Connector 208-1~ 208- 5 ‥‥ relay 209-1～209-5 ‥‥ output outlet 210 ‥‥ power connector 301 ‥‥ cabling conditions 303, 309 ‥‥ OR circuit 304 ‥‥ remote signal ON
306 ... Time monitoring circuit 307 , 308 ... AND circuit 402 ... Power switch off 403 ... Stop process start 404 ... Cache write process 405 ... Stop process end 406 ... Power off 407 ... Control of additional chassis Flow 408 ... Power on state 409 ... Drive write processing 410 ... Power off 412 ... AC supply 413 ... Recognize end of stop processing 414 ... Disconnect AC supply to additional chassis 502 ... Power switch on 503 ‥‥ startup process start 504 ‥‥ start processing ends 505 ‥‥ additional enclosure access 507-1~ 507- 4 ‥‥ power on 509 ‥‥ power-on signal received 510-1～ 510-4 ‥‥ additional enclosure supplying AC 601-1~ 601- 8 ‥‥ additional enclosure 602 ‥‥ base enclosure 603-1～603-4 ‥‥ power supply device 604 ‥‥ AC Source 605 ‥‥ power cable 606 ‥‥ base cabinet interlock cable 607-1~ 607- 8 ‥‥ interlock selector switch 608 ‥‥ connection cable 609 ‥‥ interlocking input connector 610 ‥‥ interlocking output connector 611 ‥‥ interlocking input connector 612 -1 612-10 ... Power supply output connector

Claims (3)

A disk array device comprising: a basic chassis having a controller and a disk device; a plurality of additional chassis having an additional disk device; and a power supply device for supplying power to the basic chassis and the plurality of additional chassis. There,
The power supply device is arranged between a main power source, the basic casing, and the plurality of additional casings independently from each casing, and outputs one command for starting and stopping from the basic casing The power supply from the main power supply is supplied to each chassis by an on / off signal, and whether or not power is supplied in conjunction with the basic chassis to each additional chassis is provided for each power output to each chassis. Set by the switch
The basic casing has a power control unit that sends the output on / off signal to the power supply device,
Further, the power supply device has a plurality of output systems for supplying each power output to each housing, and each output system has a signal input terminal that can receive the output on / off signal, the basic housing, and the additional housing. Control of the relay switch based on an interlocking switch for setting presence / absence of interlocking with the body, a relay switch arranged between the main power source and the power output terminal, the output on / off signal and the output of the interlocking switch Including a relay control unit,
The open / close circuit of the interlocking switch of each output system is connected in series between two signal input terminals of each output system on both sides of the plurality of output systems, and each connection point between the interlocking switches is respectively Connected to the signal input terminal of each output system,
When the output on / off signal is supplied from the power control unit to the signal input terminal of any output system of the power supply device, the output system to which the output on / off signal is supplied and the interlock changeover switch are set in conjunction with each other. A disk array device in which an output system conducts the relay switch of each output system. The disk array device according to claim 1 , wherein the interlock changeover switch outputs a switch-on signal corresponding to the setting of the interlocking mode and opens and closes the line corresponding to the setting of the interlocking mode. A disk array device comprising: a basic chassis having a controller and a disk device; a plurality of additional chassis having an additional disk device; and a power supply device for supplying power to the basic chassis and the plurality of additional chassis. There,
The power supply device is arranged between a main power source, the basic casing, and the plurality of additional casings independently from each casing, and outputs one command for starting and stopping from the basic casing The power supply from the main power supply is supplied to each chassis by an on / off signal, and whether or not power is supplied in conjunction with the basic chassis to each additional chassis is provided for each power output to each chassis. Set by the switch
A plurality of the power supply devices are provided, each power supply device has a function of outputting an output on / off signal received from the basic housing, and a plurality of power supply devices are input by inputting the output to the other power supply devices. The disk array apparatus, wherein the power supply apparatuses are interlocked, and the additional enclosures exceeding the number connectable to one power supply apparatus are interlocked.

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