KR100875077B1 - Uninterruptible Power Supply for Online Computer Systems Including Multihost Computers - Google Patents

Abstract

The present invention applies a separate power path to at least one host computer in an on-line computer system including a multihost computer so that the on-line function is kept active even in the case of a commercial main / secondary power failure. An uninterruptible power supply for an online computing system including a computer.

According to a preferred embodiment of the present invention, a main computer system including a multihost computer, an on-board computer and a disk-type storage medium, and an eXtended Processing Complex (XPC) of an on-line computer system includes a first from a first generator in case of a power failure of a commercial main power supply and an auxiliary power supply. From either the first power source switched by the automatic switching switch and via the first and second UPS (Uninterruptible Power Supply) and the second power source switched from the first and second generators by the second automatic switching switch A third power source (that is, a backup power source) formed by a backup power source unit is configured to be separately applied, and the disk-type storage medium is commonly connected to the first power source and the third power source, and the plurality of host computers One host computer for activating the online function is connected to the third power source, and the first power source is connected to the first power source in the XPC. Is a second portion connected to second power supply input connected to ryeokbu and the third power source is such that the activation of the host computer of the on-line function held in case of a power failure.

Description

UNINTERRUTIBLE POWER SUPPLY APPARRATUS FOR ON-LINE DATA PROCESSING SYSTEM WITH MULTIPLE HOST COMPUTERS}

1 is a block diagram illustrating a power system of an online computing system including a multihost computer according to an exemplary embodiment of the present invention;

FIG. 2 is a view showing in more detail the power system of the main computer system equipped with the multi-host computer shown in FIG.

3 is a block diagram showing an uninterruptible power supply of an online computing system including a multihost computer according to a preferred embodiment of the present invention;

4 is a view showing in more detail the power system of the main computer system shown in FIG.

5 to 7 are diagrams illustrating a modified example of the backup power supply unit shown in FIGS. 3 and 4.

* Description of the symbols for the main parts of the drawings *

10a: main power receiver, 10b: auxiliary power receiver,

10A: peripheral substation power supply, 10B: auxiliary substation power supply,

20: automatic load transfer switch (ALTS), 30A, 30B: first, second generator,

32, 34: first and second automatic transfer switch (ATS),

50A, 50B: first and second UPS units, 62A: main computer system,

70a ~ 70d: disk type storage medium, 80A ~ 80C: host computer

90: eXtended Processing Complex (XPC),

92a, 92b: first and second power input sections, 100A: backup power section.

The present invention relates to an uninterruptible power supply for an online computer system including a multihost computer, and more particularly, to separate / separate a separate power path from at least one host computer among a plurality of host computers included in the online computer system. It is assumed that it prevents paralysis of all industries including data loss even in case of power failure of commercial main power supply / auxiliary power, and recovers all functions including data of powered down host computer by simply booting a separate power supply. The present invention relates to an uninterruptible power supply for an online computing system including a multihost computer for performing a normal operation in a short time by the support of an active host computer.

At present, with the rapid development of data communication technology, an online computer system for aggregating and managing an unspecified number of customer management information online is being developed in various fields.

Such an online computer system provides product information online to the subscriber (or customer) to classify the product purchase information of the subscriber and deliver the product to the subscriber (or customer) under the confirmation of the payment information of the corresponding purchase price. From an electronic commerce system, a securities transaction management system that manages data about transactions of securities (typically stocks) generated online from multiple branches or online terminals (ie subscriber terminals), from multiple branches or online terminals. Financial computer system for managing financial information such as deposit / withdrawal / loan of customers.

Such on-line computing system periodically receives various information (e.g., e-commerce information, securities transaction information, financial transaction information, etc.) generated in relation to the subscriber (or customer) from a plurality of subscriber terminals or a plurality of branches or online terminals. It must be integrated.

In other words, assuming a financial computer system as an online computer system, deposit / withdrawal information, loan-related information, and securities (for example, multiple customers) generated from each branch or online terminal (eg, automated teller machine / home banking / phone banking). Information related to stocks, bills, checks, etc. must be collected and managed in a main computer system constructed by a multihost computer.

Here, for the online computer system, in order to manage customer information from each branch or online terminal, the stabilization of the power system becomes important. If the online computer system is used for all transactions that collect customer information from each branch or online terminal. (Transaction) If a power system failure (for example, power failure) occurs during processing, the customer information is lost, and huge number of people and time are needed to restore the lost customer information normally. The service cannot be provided, and such a situation is likely to be issued in various mass media, resulting in a great loss of internal and external reliability and credibility, as well as enormous losses.

1 is a block diagram illustrating a power system of an online computer system including a multi-host computer that assumes a financial computer system as an online computer system according to a conventional example.

Referring to the drawings, a main power receiving terminal 10a and an auxiliary power receiving terminal 10b in which a path of commercial power is separated are assumed to stabilize power of a corresponding financial computer system, and the main power receiving terminal 10a and the auxiliary power supply are assumed. An automatic load transfer switch (ATLS) 20 is linked to the power receiving end 10b.

The automatic load switching switch 20 is normally connected to the main power receiver 10a when the power is cut off from the main power receiver 10a within a few seconds (about 3 sec) within the auxiliary power receiver ( 10b) has a function of switching to the side.

In addition, the corresponding financial computer system, for example, 800KW class to have a self-generation function in consideration of the situation that a power failure (i.e. power failure) occurs from the main power receiving terminal (10a) and the auxiliary power receiving terminal (10b). First and second generators 30A and 30B (i.e., emergency power generators) are provided and corresponding to the first and second generators 30A and 30B, the first and second automatic switching switches 32 and 34. Is provided.

One end of each of the first and second automatic switching switches 32 and 34 is commonly connected to a common switching terminal (ie, a main power supply or an auxiliary power supply) of the automatic load switching switch 20. Each other end of the automatic switching switches 32 and 34 of 2 is connected to the power output side (emergency power output side) of the corresponding first and second generators 30A and 30B.

The common switching terminals of the first and second automatic switching switches 32 and 34 are normally disconnected from the main power receiving terminal 10a while being connected to the common switching terminal of the automatic load switching switch 20. Or when the auxiliary power from the auxiliary power receiving terminal 10b is cut off, it is automatically switched to the power output side of the first and second generators 30A and 30B within a predetermined time (approximately 7 sec.) It functions to supply power from the two generators 30A and 30B.

Here, the main power supply, the auxiliary power supply or the power supply from the second generator 30B supplied through the switching terminal of the second automatic switching switch 34 is applied to the emergency power supply unit 40 to form the emergency power supply EV. do.

On the other hand, the main power supply, the auxiliary power supply or the power supply from the first generator 30A passing through the common switching terminal of the first automatic switching switch 32 are installed for the uninterruptible power supply function. The uninterruptible power supply (UPS) of the 50A, 50B and the power bypass (Bypass) unit 52 for forming a path in the event of a power failure.

The first and second UPSs 50A and 50B are composed of, for example, 500KVA (2V x 240cell / 600AH), so that the power supply is stably without instantaneous power interruption even when the main power supply and the auxiliary power supply fail (power failure or power failure). To be supplied.

The power output system of the first and second UPS units 50A and 50B and the power bypass unit 52 is connected to an actual power supply system 62 of an actual financial computer network through an air circuit breaker (ACB) 60. The main load system 62 of the financial computer network includes a main computer system 62A for processing and storing the customer's financial information transmitted from a server / terminal or an online terminal of each branch, and additionally. The device 62B includes the additional device 62B, which is usually a computer communication server 62a or an economic server 62b, a computer communication system 62c, a paper exchange server / terminal 62d, a sales server. / Terminal 62e, fund-related server / terminal 62f, and the like.

Therefore, in the power system shown in FIG. 1, the main power received through the main power receiving terminal 10a or the auxiliary power from the auxiliary power receiving terminal 10b is normally supplied to the power load switching switch 20 and the first. And bars supplied through the second automatic switching switches 32 and 34, and the power passing through the second automatic switching switches 34 is provided to the emergency power EV through the emergency power supply 40. The power passing through the first automatic switching switch 32 is stabilized by the first and second UPS units 50A and 50B, and the power load system 62 of the financial computer network through the ACB 60. Main computer system 62A, the computer-communication server 62a, the economic server 62b, the computer-based communication system 62c, the paper exchange-related server / terminal 62d, the sales-related server / terminal 62e, the fund-related server Is applied to an additional device 60B such as terminal 62f so that a given function can be performed normally. It is good.

On the other hand, when the main power received through the main power receiving terminal 10a or the sub power from the sub power receiving terminal 10b is disconnected, the switching terminals of the first and second automatic switching positions 32 and 34 are disconnected. Is switched to the power output side of the corresponding first and second generators 30A, 30B.

Therefore, power from the first generator 30A is applied to the main computer system 62A through the power bypass 52 and the ACB 60 through the first automatic switching switch 32. Supporting the storage (backup) operation of the customer's financial-related information is completed, the power from the second generator 30B is the emergency power supply from the emergency power supply unit 40 through the second automatic switching switch 34 (EV).

FIG. 2 is a block diagram showing a schematic configuration of the main computer system shown in FIG.

 The main computer system 62A includes a USP (Universal Storage Platform) 70a to 70d as a plurality of disk-type storage media, which are assumed as disk-type storage means for updating and storing a customer's financial related information data ledger. EXtended Processing Complex (XPC) 90 for controlling functions of the first to third host computers 80A, 80B and 80C and the first to third host computers 80A, 80B and 80C constituting the multihost system. ) Is included.

Here, the power input side of the first to third host computers (80A, 80B, 80C) is connected to the power line 60-1 connected to the switching terminal of the ACB (60), the USP (70a ~ 70d) Is connected to the power line 60-2 branched from the power line 60-1, and the XPC 90 has a power input side commonly connected to the power line 60-1. It is connected to the first and second power input units 92a and 92b.

In the main computer system 62A shown in FIG. 2, the first to third host computers 80A, 80B, and 80C are supplied under the control of the XPC 90 while the main or auxiliary power is supplied. Financial information is updated and stored in the plurality of USPs 70a to 70d.

However, when the main power supply or the auxiliary power supply is out of power, the first and second power input units 92a and 92b commonly connected to the power line 60-1 connected to the first and second UPS units 50A and 50B. Backup of customer financial information, such as transactions, received online by the third host computer 80C to the USPs 70a to 70d under the control of the XPC 90 maintained by the power supplied through Will be saved.

However, when the main power supply or the auxiliary power supply is out of power, the XPC 90 causes the third host computer 80C to store online financial transaction information in the USPs 70a to 70d, and then the first to third host computers. While 80A, 80B, and 80C are brought down, the USP 70a to 70d and the first to third host computers 80A, 80B and 80C are connected to the first and second UPS units 50A and 50B. The first and second power inputs 92a and 92b for the XPC 90 are also commonly connected to the power line 60-1. When a power failure occurs in the line 60-1, the first and second power input units 92a and 92b are simultaneously in a power failure state. Accordingly, the XPC 90 is connected to the first to third host computers 80A, 80B, 80C) down.

Therefore, when the power applied to the main computer system 62A is out of power, all of the first to third host computers 80A, 80B, and 80C which have to execute the operation of receiving and storing the financial related information of the customer online. Because of the downtime, not only does the recovery of data require a significant amount of time and personnel, but also during the recovery time, significant disruptions are made to the provision of normal services to customers who are completely paralyzed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described state of the art, and includes a multi-host computer for allowing the on-line function to be continuously activated even in the event of a power failure by separately redundant power paths applied to the main computer system of the online computer network. The purpose is to provide an uninterruptible power supply for an online computer system.

In order to achieve the above object, according to a preferred embodiment of the present invention, a plurality of host computers and a plurality of disk-type storage media storing online data received by the host computer and the activation of the online function of the host computer are controlled. An automatic load switching switch for switching the main power supply and the auxiliary power supply for the main computer system including the eXtended Processing Complex (XPC), the power supply via the automatic load switching switch, and the power supply of the first and second generators. A power system of an on-line computer system including a multihost computer having a first and a second automatic switching switch for switching, wherein the main computer system has a first automatic switching switch from a first generator to a power failure of the main power supply and the auxiliary power supply. Is switched by the first power supply via the first and second UPS units, and the first power supply and the second automatic A third power source formed by a backup power source unit is separately applied from a second power source switched by a switch, and in the main computer system, the disk-type storage medium is common to the first power source and the third power source. One host computer connected to the host computer for activating an online function among the plurality of host computers is provided with an uninterruptible power supply of an online computing system including a multihost computer connected to the third power source.

A first power input unit connected to the XPC is connected to the first power source, and a second power input unit connected to the XPC is connected to the third power source.

According to a preferred example, the backup power supply unit includes a third UPS connected to a second power source switched by the second automatic switching switch, and a power bypass unit connected to the first power source, and the third UPS unit and the An output of the power bypass unit is commonly connected to form the third power source.

According to another preferred embodiment, the backup power supply unit may include a first auxiliary UPS unit connected to the first power source and a third UPS unit connected to the second power source, the third UPS unit and the power bypass unit 102. A first auxiliary power supply bypass unit connected to a common output; a common output of the first auxiliary power supply unit and the first auxiliary power supply bypass unit is connected to the second power supply bypass unit, and the first auxiliary UPS unit In a state where the input of the first auxiliary power bypass unit and the first auxiliary power bypass unit are separated from each other, power is supplied to the power bypass unit via any one of the third UPS unit and the first auxiliary UPS unit, and the third UPS unit and The output of the power bypass unit is configured to be formed of the third power source.

In addition, the backup power supply unit is connected to a plurality of stages consisting of an auxiliary UPS unit connected to the first power supply, a preliminary auxiliary UPS unit, and an auxiliary power bypass unit to which an output of the auxiliary power bypass unit is applied. The UPS unit and the Nth auxiliary power bypass unit are applied to the input of the first auxiliary power bypass unit and are formed of the third power source.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 3 is a block diagram illustrating an uninterruptible power supply of an on-line computer system including a multihost computer according to a preferred embodiment of the present invention. FIG. 4 is a detailed diagram illustrating a power system of the main computer system shown in FIG. For the sake of simplicity, the same parts as those shown in FIGS. 1 and 2 will be described with the same reference numerals.

In the figure, an ALTS 20 as the automatic load switching switch is interposed between the peripheral power supply terminal 10A and the auxiliary substation power supply terminal 10B providing commercial power, and the common switching terminal of the ATLS 20 is interposed therebetween. One switching contact of the first and second ATSs 32 and 34 is connected, and the other switching contact of the first and second ATSs 32 and 34 is connected to the first and second generators 30A and 30B. Power supply side is connected.

The first and second UPS units 50A, 50B are connected to the common switching terminal of the first ATS 32, and the first power source A output from the first and second UPS units 50A, 50B. Is associated to be applied to the main computer system 62A via the ACB 60.

The second power source B output from the common switch terminal of the second ATS 34 is connected to a third UPS 100 for forming a separate power source for the main computer system 62A. The power bypass unit 102 for forming a complementary power path of the third UPS 100 is prepared from the first and second UPS units 50A and 50B in preparation for an abnormal power supply of the third UPS unit 100. Is connected to the first power source (A).

Here, the third UPS 100 and the power bypass unit 102 are referred to as the backup power supply unit 100A (see FIG. 4), and the third power source is supplied by the first power source A or the second power source B. (I.e., backup power source; BV).

That is, according to the power supply system of the main computer system 62A shown in Fig. 4, the USPs 70a to 70d as the plurality of disk-type storage media and the first and second host computers 80A and 80B are the same. Common to the first power source A of the first and second UPS units 50A and 50B via the power supply line 60-1 and the power supply line 60-2 branched from the power supply line 60-1. In addition, the third power source BV of the backup power supply unit 100A is commonly connected to the third power source BV via the power supply line 100-1.

In contrast, the third host computer 80C supplies the power line 100-1 with respect to the power from the third UPS unit 100 or the first power A provided through the power bypass unit 102. Is connected via).

Here, the first power source A provided through the power bypass unit 102 is also advantageous because it is stabilized by the first and second UPS units 50A and 50B.

In addition, the first power input unit 92a, which is connected to the XPC 90, is connected to the first power source A of the power line 60-1 of the first and second UPS units 50A, 50B. On the other hand, the second power input unit 92b is connected to the third power source BV of the backup power supply unit 100A via the power line 100-1.

According to the power system described above, when the power of the peripheral power station 10A is normally applied or when the power from the peripheral power station 10A is abnormal, the power applied from the auxiliary substation power station 10B is applied. The first and second UPS units 50A and 50B are applied to the first and second UPS units 50A and 50B through the first ATS 32 in the switching state of the ALTS 20. The first power source A is also connected to the power bypass unit 102 of the backup power source unit 100A, and a second power source is applied to the third UPS unit 100 through the second ATS 34.

In addition, the power EV generated by the second generator 30B is applied to the additional server / terminal 62B side through the auxiliary power generator 110.

Therefore, in the main computer system 62A, when the main power source of the peripheral power station 10A is normal or the auxiliary power source of the auxiliary substation power station 10B is normally applied, the ALTS 20 and the first and The entire industrial affairs processing which performs a normal on-line function by the power applied through the 2nd ATS 32 and 34 is possible.

On the other hand, when the main power supply and the auxiliary power supply are out of power, the first and second ATSs 32 and 34 are switched to the first and second generators 30A and 30B, and accordingly the first and second power supplies. The first power source A via 2UPS units 50A and 50B is applied to the main computer system 62A, and the second power source B from the first power source A or the second ATS 34 is applied. The third power source (BV) generated by the backup power supply unit (100A) is applied to the main computer system 62A.

Here, the backup power supply unit 100A considers a failure of any one of the first and second generators 30A and 30B, and the third UPS unit 100 uses the ATS 34 to perform the second generator. The second power source B of 30B is applied while the power bypass unit 102 is a first power source from the first and second UPS units 50A and 50B associated with the first generator 30A. Are linked to be authorized (A).

That is, the plurality of USPs 70a to 70d included in the main computer system 62A when the main power supply and the sub power supply fail, the first and second UPS units 50A connected to the first generator 30A. Is connected in common to the first power source A from 50B and the third power source BV of the backup power supply unit 100A.

The first and second host computers 80A and 80B are connected to a first power source A from the first and second UPS units 50A and 50B while the third host computer 80C is connected to the first and second host computers 80A and 80B. The XPC 90 is connected to the third power source BV of the backup power source unit 100A, and the XPC 90 is connected to the separate power source paths 60-1 and 100-1. The activation state is maintained by the power source or the power source of the second power source input unit 92b.

Accordingly, the XPC 90 may operate the third host computer 80C in a state in which one of the power source of the first power input unit 92a or the second power input unit 92b is activated. The online function is maintained without down, so that the financial information of the customer is stored in the USP 70d, for example.

Therefore, according to the present invention, even when the main power supply and the auxiliary power supply are out of power, the host computer (s) down upon recovery of power by one host computer that is active by a separate power supply applied to the main computer system 62A. You can start operation immediately by rebooting.

5 is a diagram illustrating a modified example of the backup power supply unit shown in FIGS. 3 and 4.

According to the configuration shown in FIG. 5, the first auxiliary UPS 200 commonly connected to the main power supply / auxiliary power supply via the first ATS 32 or the first power supply A by the first generator 30A and The power supply bypass unit 102 is connected to the power supply of the common connection terminal of the first auxiliary power supply bypass unit 202 and the third UPS 100 is connected to the second power source B of the second ATS 34. do.

In such a configuration, for example, when the third UPS unit 100 is down or checked, the stabilized power can be applied through the first auxiliary UPS 200, and the synchronization of the third UPS unit 100 can be achieved. Is assumed to be synchronized with the bypass power supply, and the transfer time is preferably within 5 ㎳ (1/4 Hz).

In contrast, the third UPS unit 100 and the power bypass unit 102 may be connected to the second power source B in common.

FIG. 6 is a configuration in which the first auxiliary UPS unit 200 and the first auxiliary power bypass unit 202 are separated from each other in the configuration shown in FIG. 5, and the third UPS unit 100 and the power bypass are separated from each other. The output power from the unit 102 is connected to the input of the first auxiliary power bypass unit 202, and the common output of the first auxiliary UPS unit 200 and the first auxiliary power bypass unit 202 is output. The third UPS 100 and the third power supply unit 102 and the first auxiliary power supply bypass unit 202 are connected to the input of the power bypass unit 102. The power stabilized by the secondary auxiliary UPS 200 can be applied.

FIG. 7 is a configuration in which the configuration shown in FIG. 6 is cascaded to a plurality of stages, and the first auxiliary power supply bypass unit 202 and the second to Nth auxiliary power supply bypass sections 102a to FIG. 102n) may be stabilized and provided by the first auxiliary UPS units 200 (100a to 100n).

On the other hand, while the present invention has been described assuming a financial computer system as an online computer system, the present invention is not limited to such an application example, but includes a multi-host computer such as e-commerce system that must store a large number of unspecified customer information. The same or similar can be applied to any configuration.

As described above, according to the uninterruptible power supply of the on-line computer system including the multi-host computer according to the present invention, by applying a separate power path to at least one host computer among the multi-host computer power failure of the main power supply or auxiliary power supply Computing business functions, such as online, are maintained at the time of activation, and in case of a separate power failure, the power bypass path is separated so that commercial power is supplied directly to a stable UPS. This eliminates the enormous amount of time and manpower required to recover data resulting from downtime of online functions due to power outages, and reduces customer credit and credibility in financial computing. Can prevent huge loss Will be.

Claims (5)

A main power source for a host computer system including a plurality of host computers and a plurality of disk-type storage media storing online data received by the host computer and an eXtended Processing Complex (XPC) for controlling activation of the on-line functions of the host computer. And a multi-load computer having an automatic load switching switch for switching an auxiliary power supply and a first and second automatic switching switch for correspondingly switching a power supply through the automatic load switching switch and a power supply of the first and second generators. In the power system of the online computer system including a, When the main power supply and the sub power supply are out of power, the main computer system includes: a first power supply switched from a first generator by a first automatic switching switch and passing through first and second UPS units; A third power source formed by a backup power source unit is separately applied from the second power source switched by the first power source and the second automatic switching switch, In the main computer system, the disk-type storage medium is commonly connected to the first power source and the third power source. An uninterruptible power supply of an on-line computing system including a multihost computer, wherein one host computer for activating an online function among the plurality of host computers is connected to the third power source. The multi-host computer of claim 1, wherein the first power input unit connected to the XPC is connected to the first power source, and the second power input unit connected to the XPC is connected to the third power source. Uninterruptible power supply for online computing system. The power supply of claim 1, wherein the backup power supply unit includes a third UPS connected to a second power source switched by the second automatic switching switch, and a power bypass unit connected to the first power source. And an output of the third UPS unit and the power bypass unit in common to form the third power source. The apparatus of claim 1, wherein the backup power supply unit comprises: a first auxiliary UPS unit connected to the first power source and a third UPS unit connected to the second power source; A first auxiliary power bypass unit connected to the common output of the third UPS unit and the power bypass unit; The common output of the first auxiliary UPS unit and the first auxiliary power bypass unit are connected to the second power bypass unit, In a state where the inputs of the first auxiliary UPS unit and the first auxiliary power bypass unit are separated from each other, power is supplied to the power bypass unit via any one of the third UPS unit and the first auxiliary UPS unit. And an output of the third UPS section and the power bypass section are configured as the third power source. delete

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