WO2011052149A1 - システム配置決定システム、システム配置決定方法およびプログラム - Google Patents
システム配置決定システム、システム配置決定方法およびプログラム Download PDFInfo
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- WO2011052149A1 WO2011052149A1 PCT/JP2010/006130 JP2010006130W WO2011052149A1 WO 2011052149 A1 WO2011052149 A1 WO 2011052149A1 JP 2010006130 W JP2010006130 W JP 2010006130W WO 2011052149 A1 WO2011052149 A1 WO 2011052149A1
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- 238000000034 method Methods 0.000 title claims description 42
- 230000010365 information processing Effects 0.000 claims abstract description 311
- 238000010276 construction Methods 0.000 claims description 112
- 238000010586 diagram Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 3
- 101000689199 Homo sapiens Src-like-adapter Proteins 0.000 description 1
- 241000283080 Proboscidea <mammal> Species 0.000 description 1
- 102100024519 Src-like-adapter Human genes 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
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Definitions
- the present invention relates to a system layout determination system, a system layout determination method, and a system layout determination program that determine the layout of a system to be constructed, and in particular, the number of information processing apparatuses that satisfy a service level agreement (Service Level Agreement: SLA).
- SLA Service Level Agreement
- the present invention relates to a system layout determination system, a system layout determination method, and a system layout determination program.
- the system administrator When managing the system so as to satisfy the service level agreement (hereinafter referred to as SLA), the system administrator has manually determined the arrangement plan of information processing devices used in the system.
- the arrangement means determining the number of information processing apparatuses used in the system.
- the information processing apparatus is configured so that even if a failure occurs in some of the information processing apparatuses in the system, the service availability can be maintained in the information processing apparatus in which no failure has occurred. Can be determined. In this case as well, the system administrator manually determines the number.
- Patent Document 1 describes a Web system configuration control method and a configuration control system.
- the processing capacity limit value of the server is created in advance as a limit value table.
- the configuration control system described in Patent Document 1 measures the type and number of requests accepted by the business system (Web system) and records them in the request distribution table. Furthermore, the configuration control system described in Patent Document 1 compares and analyzes the number of requests in the request distribution table and the limit value in the limit value table, and based on the required resource amount determined from the increase or decrease in the number of requests, If it is determined that addition is necessary, a resource allocation instruction is issued.
- the present invention provides a system arrangement determination system, a system arrangement determination method, and a system arrangement determination program capable of determining an appropriate number that satisfies the availability defined in the SLA as the number of information processing apparatuses used in the system to be constructed.
- the purpose is to provide.
- the system arrangement determination system includes a failure rate, cluster method information indicating whether to be used alone or in a cluster, a processing amount, for each individual information processing device that is a candidate for adoption in a construction target system.
- Device information storage means for storing a record including an index value representing a price, information capable of deriving a failure rate defined in the construction target system, and a processing amount required for the construction target system in a normal state
- a service level agreement including the normal requested processing amount is given, at least a list of information processing devices having a failure rate lower than the failure rate specified for the construction target system is generated.
- a list generating means for searching for an information processing device used alone or a group of information processing devices forming a cluster Necessary for satisfying the normal request processing amount based on the processing amount of the information processing device used alone or searched by the generation means or the processing amount of the information processing device group forming the cluster and the normal request processing amount Calculate the number of information processing devices, and build the number of information processing devices that are searched by the list generation means and that can be secured by a group of information processing devices that form a cluster.
- the list generation means an information processing device that is used alone and has the lowest cost among unsearched information processing devices or information processing device groups. Or, characterized in that it comprises a number determining means for searching an information processing apparatus group forming a cluster.
- the system placement determination method includes a failure rate, cluster method information indicating whether to be used alone or in a cluster, a processing amount, for each individual information processing apparatus that is a candidate for adoption in a construction target system. , Records that include the cost, which is an index value representing the price, information that can derive the failure rate specified for the construction target system, and the normal time request that is the processing amount required for the normal construction target system.
- a service level agreement including the processing amount is given, at least a list of information processing devices with a failure rate lower than the failure rate specified for the construction target system is generated, and the cost is the lowest among the list .
- the number is determined as the number of information processing devices used in the construction target system, and used alone as a search.
- the cost is the lowest among unsearched information processing devices or information processing device groups. The information processing apparatus or the information processing apparatus group forming the cluster is searched again.
- the system arrangement determination program includes a failure rate, cluster method information indicating whether to be used alone or in a cluster, a processing amount, for each information processing apparatus that is a candidate for adoption in a construction target system.
- a service level agreement is included that includes possible information and the normal requested processing amount that is required for the construction target system during normal operation, at least the failure rate specified by the construction target system Generate a list of information processing devices with a low rate, and use the information that is the lowest cost from the list.
- the amount of processing of a list generation process for searching a group of information processing apparatuses forming a logical device or a cluster, and an information processing apparatus used alone or searched for in the list generation process or a group of information processing apparatuses forming a cluster And the number of information processing devices necessary to satisfy the normal request processing amount based on the normal request processing amount, and the information processing device or cluster used alone retrieved by the list generation processing
- the information processing device group that forms the number of information processing devices that are determined as the number of information processing devices used in the construction target system and that is searched for in the list generation process on the condition that the number can be secured Or, if the information processing device group that forms the cluster cannot secure the calculated number of units, select an unsearched information processing device or information processing device group.
- Elephants characterized in that to execute a number determination processing for re-executing the list generation process.
- the present invention it is possible to determine an appropriate number that satisfies the availability determined by the SLA as the number of information processing apparatuses used in the system to be constructed.
- FIG. 1 is a block diagram showing an example of a system arrangement determination system of the present invention.
- the system arrangement determination system of the present invention includes a system arrangement determination apparatus 10. Further, the system arrangement determination device 10 includes an SLA analysis unit 1, a configuration determination unit 2, a pattern DB storage unit 3, and a number determination unit 4.
- the server group 5 is connected to the system arrangement determination device 10.
- the system arrangement determining device 10 determines the number of servers (information processing devices) to be included in the construction target system, and instructs the servers to operate as the construction target system.
- the construction target system is a desired system that the user of the system arrangement determining apparatus 10 is trying to construct.
- Each server 5a to 5c reads a VM (Virtual Machine Machine) image from the VM image storage means 6 according to a command from the system arrangement determining apparatus 10, and operates according to the VM image.
- VM Virtual Machine Machine
- the servers 5a to 5c belonging to the server group 5 are servers that are candidates for adoption in the construction target system. From this candidate, the system arrangement determining apparatus 10 determines the number of servers used in the construction target system. Therefore, the system arrangement determination system of the present invention can also be referred to as an information processing device number determination system. In FIG. 1, three servers 5a to 5c are illustrated as candidates. However, the number of servers that are candidates for adoption in the construction target system is not limited to three, and a larger number of servers can be selected. It may be prepared.
- the SLA (Service Level Agreement) 11 of the construction target system is input to the system arrangement determination device 10.
- the SLA 11 includes at least information capable of deriving a failure rate of the construction target system and a processing amount required for the construction target system at the normal time. This processing amount is referred to as “request processing amount”. Further, the SLA 11 may include a processing amount required as a processing amount to be processed by the construction target system even when a failure occurs in a part of a server used in the construction target system. This processing amount is referred to as “minimum required processing amount” in distinction from the above-described required processing amount.
- the SLA analysis unit 1 calculates a failure rate determined by the SLA 11. For example, it is assumed that the availability required for the construction target system is described in the SLA 11. In this case, the failure rate can be expressed by the following equation (1).
- the SLA analysis means 1 may calculate the failure rate by referring to the availability described in the SLA 11 and calculating the equation (1). However, in equation (1), the failure rate and availability are expressed as percentages.
- the SLA analysis means 1 may read the failure rate from the SLA 11.
- the pattern DB storage unit 3 is a storage device that stores information about each server that is a candidate for adoption in the construction target system as a database.
- this database is referred to as a pattern database (pattern DB).
- FIG. 2 is an explanatory diagram showing an example of the pattern DB.
- the pattern DB storage unit 3 stores “server name”, “failure rate”, “cluster method information”, “processing amount”, “cost”, “usage information” for each server that is a candidate for adoption in the construction target system. Is memorized.
- Server name is the server name of the server. In other words, it can be said that it is server identification information.
- Failure rate is the failure rate of the server. The failure rate varies depending on the type and reliability of the server (information processing apparatus).
- Cluster system information is information indicating whether a server is used alone or in a cluster, and further, when used in a cluster, is information indicating identification information of a cluster to which the server belongs. For example, in the example shown in FIG. 2, the server 51 is used alone, not as a cluster. Further, some or all of the servers 54 to 56 are used as one cluster (“cluster 1”). Similarly, some or all of the servers 57 to 58 are used as one cluster (“cluster 2”).
- “Processing amount” represents the processing amount that can be processed by the server.
- “the number of transactions that can be processed per second” is exemplified.
- “the number of transactions that can be processed per second” is expressed in units of “Tx / S”.
- “Cost” is an index value representing the price of the server. The larger the “cost” value, the higher the server price, and the smaller the “cost” value, the lower the server price.
- “Use information” is information indicating whether or not the server is already used in a system other than the construction target system.
- the “server name”, “failure rate”, “cluster method information”, “processing amount”, “cost”, and “use information” are stored in the pattern DB storage means. 3 is stored.
- the configuration determination means 2 is a server whose failure rate is less than the failure rate derived from the SLA and is not yet used in a system other than the construction target system (arrangement target list described later). create. Further, the configuration determining unit 2 compares the costs of each server used alone and each server group forming one cluster in the list, and searches for the server or server group having the lowest cost. Note that the cost of a server group forming one cluster is the sum of the costs of individual servers belonging to the server group.
- the number-of-units determining means 4 can calculate the number satisfying the requested processing amount defined by the SLA 11 based on the server or server group searched by the configuration determining means 2, and can secure the number of servers by the searched server or server group. It is determined whether or not.
- the number determining unit 4 is searched when the minimum required processing amount is defined in the SLA 11 and when it is determined that the required processing amount cannot be satisfied when a failure occurs in a part of the searched server group. Even when a failure occurs in a part of the server group, the number satisfying the minimum required processing amount is calculated, and it is determined whether or not the number can be secured in the searched server group.
- the number determining unit 4 causes the configuration determining unit 2 to search for a server or server group with the next lowest cost of the previously selected server or server group. . That is, the server or server group having the lowest cost among the servers or server groups that have not yet been searched is caused to search the configuration determining unit 2.
- the number determination means 4 determines the number as the number of servers used in the construction target system.
- the number determination means 4 instructs the server that is determined to be used in the construction target system to read the VM image that defines the operation as the construction target system.
- the server that has received the instruction from the number determination means 4 reads the instructed VM image from the VM image storage means 6 and operates according to the VM image.
- the VM image storage means 6 is a storage device that stores a VM image.
- the VM image is an image file of a storage disk containing the OS and software in the virtual machine, and can be said to be a file including an OS (Operating System) and software in the virtual machine.
- OS Operating System
- the SLA analysis unit 1, the configuration determination unit 2, and the number determination unit 4 are realized by a CPU of a computer that operates according to a system layout determination program, for example.
- a computer program storage device (not shown) stores a system layout determination program, and the CPU reads the program, and according to the program, as SLA analysis means 1, configuration determination means 2, and number determination means 4 It only has to work.
- the SLA analysis unit 1, the configuration determination unit 2, and the number determination unit 4 may be realized by separate units.
- 3 and 4 are flowcharts showing an example of processing progress of the system arrangement determination system of the present invention.
- the SLA analyzing unit 1 reads the availability condition from the input SLA 11, and specifies the failure rate (step S1).
- the failure rate determined from SLA11 may be specified.
- the SLA analyzing means 1 may read the availability value and calculate the failure rate by the calculation of Expression (1).
- the SLA analysis unit 1 may read the value of the failure rate.
- the mode of deriving the failure rate from the SLA 11 is not limited to the above example.
- the configuration determination unit 2 reads a record of one information processing device (a server belonging to the server group 5 in the example shown in FIG. 1) from the pattern DB stored in the pattern DB storage unit 3 (step S2). ).
- the configuration determining unit 2 determines whether or not the failure rate included in the record read in step S2 is lower than the failure rate derived from the SLA 11 in step S1 (step S3). That the failure rate included in the read record is lower than the failure rate derived from the SLA 11 means that the information processing device represented by the read record has a failure rate lower than the standard and can be used in the construction target system. To do. On the contrary, the failure rate included in the read record is higher than the failure rate derived from SLA11 means that the information processing apparatus represented by the read record has a failure rate higher than the regulation and cannot be used in the construction target system. means.
- the configuration determining unit 2 refers to the usage information in the record read in step S2 and represents that record. It is determined whether the information processing apparatus is already used in another system (step S4). That is, the configuration determining unit 2 determines whether or not the usage information (see FIG. 2) of the information processing apparatus is “in use”.
- the configuration determining unit 2 adds the record read in step S2 to the arrangement target list (step S5).
- the arrangement target list is a list of information processing apparatus records that can be used in the construction target system.
- the server has a failure rate that is less than the failure rate derived from the SLA, and is a list of servers that are not yet used in a system other than the construction target system.
- step S5 the configuration determining unit 2 determines whether there is a record that has not yet been read in the pattern DB (step S6).
- the configuration determining unit 2 proceeds to step S6 without adding the record read in step S2 to the arrangement target list, and determines whether there is a record that has not yet been read in the pattern DB. judge.
- Step S6 when it is determined that there is a record that has not been read yet (Yes in Step S6), the configuration determining unit 2 repeats the processes after Step S2. Therefore, in the loop processing of steps S2 to S6, the configuration determining means 2 reads the record of one information processing apparatus, and if the record satisfies the condition that can be added to the arrangement target list, Processing to add to the placement target list is performed. The configuration determining unit 2 repeats the loop processing starting from step S2 while records that have not yet been read remain in the pattern DB.
- the configuration determination unit 2 refers to the record in the arrangement target list and uses each information processing device used alone. And the cost of each information processing device group forming one cluster, the information processing device with the lowest cost (information processing device used alone) or the information processing device group (single cluster The information processing device group to be formed is searched (step S7).
- the number determination means 4 is the information processing apparatus searched by the configuration determination means 2 (information processing apparatus used alone or one
- the number of information processing devices belonging to the information processing device group forming the cluster is calculated (step S8).
- the number calculated in step S8 is referred to as the required number.
- the number determining unit 4 determines whether or not the information processing apparatus searched by the configuration determining unit 2 is an information processing apparatus used alone (step S9). That is, the configuration determining unit 2 searches for an information processing device used alone as the information processing device or information processing device group having the lowest cost, or searches for an information processing device group forming one cluster. Determine whether it was done.
- the number determining means 4 determines whether or not the required number calculated in step S8 is one. (Step S10). If the required number is one (Yes in step S10), the number determination means 4 determines whether or not the minimum required processing amount is defined in the input SLA 11 (step S10a). If the minimum required processing amount is not defined in the SLA 11 (No in step S10a), the SLA 11 can be satisfied by one searched information processing apparatus used alone.
- the number used in the target system is fixed to one, and the information processing apparatus (here, one) searched by the configuration determining means 2 is instructed to read and start the VM image (step S16).
- Step S10 when the required number is not one (No in Step S10), the requested processing amount cannot be satisfied by one searched information processing device used alone. If the minimum required processing amount is defined even if the required number is one (Yes in step S10a), the minimum required processing amount cannot be satisfied when a failure occurs in the information processing apparatus.
- the number-of-units determining means 4 is the information processing apparatus (individually used information processing apparatus) or information processing with the next lowest cost compared to the previous search from the arrangement target list in the configuration determining means 2. A device group (information processing device group forming one cluster) is searched. Then, the number determining means 4 determines whether or not the search is successful (step S17).
- step S17 If the search from the arrangement target list has succeeded (Yes in step S17), the number determination means 4 repeats the processing from step S8. If the search from the arrangement target list fails (No in step S17), it means that no information processing apparatus that has not been searched yet remains in the arrangement target list, and the process ends at that point.
- step S9 If it is determined in step S9 that the information processing apparatus searched by the configuration determining means 2 is not an information processing apparatus used alone (No in step S9), the number determining means 4 is the lowest in the input SLA11. It is determined whether the requested processing amount is defined (step S11). Note that the fact that the information processing apparatus searched by the configuration determining means 2 is not an information processing apparatus used alone means that an information processing apparatus group forming one cluster is being searched.
- the number determination unit 4 can secure the necessary number calculated in step S8 from the information processing apparatus group searched by the configuration determination unit 2. Is determined (step S14). If it cannot be secured (No in step S15), the processing from step S17 is performed. For example, if the information processing device group searched by the configuration determining unit 2 is two information processing devices having a processing capacity of 1000 Tx / S, but the required number is three, the required number cannot be secured. Therefore, the process after step S17 is performed. Since the process of step S17 has already been described, the description thereof is omitted.
- the number determining means 4 determines the required number in the construction target system. Determine the number of units to be used. Then, the number determining unit 4 instructs the information processing devices for the required number among the information processing device groups searched by the configuration determining unit 2 to read and activate the VM images (step S16).
- step S11 If it is determined in step S11 that the minimum required processing amount is defined (Yes in step S11), the number determining unit 4 defines the sum of the processing amounts of the number of units obtained by subtracting one unit from the required number in SLA11. It is determined whether or not the requested processing amount is exceeded (step S12).
- the number to be subtracted (here, one) is the number of information processing apparatuses that are assumed to have a failure. That is, in step S11, it is determined whether or not the required processing amount can be satisfied even when a failure occurs in a part of the required number. In this example, it is assumed that the number of failures is one, but it may be assumed that a larger number of failures will occur. If the sum of the processing amounts of the number obtained by subtracting one unit from the required number exceeds the required processing amount defined in SLA11 (Yes in step S12), the processing after step S14 is performed.
- the number determination means 4 determines the minimum described in SLA11. In order to satisfy the required processing amount, the number of information processing devices belonging to the information processing device group searched by the configuration determining means 2 is calculated, and the number obtained by adding one to the number is set as the required number. (Step S13). That is, in step S13, the necessary number calculated in step S8 is updated. Further, the number of units to be added in step S13 (one in this example) is the number of information processing apparatuses that are assumed to have a failure. Subsequently, the number-of-units determination unit 4 performs the processing after step S14.
- step S14 Since the processing after step S14 has already been described, the description thereof is omitted.
- step S16 the information processing apparatus that is activated by reading the VM file in accordance with the instruction of the unit number determining unit 4 operates according to the VM file.
- the operation of the present invention will be described using a specific example.
- the case where the pattern DB storage unit 3 stores the pattern DB illustrated in FIG. 2 will be described as an example.
- the configuration determining unit 2 reads a record of one information processing apparatus from the pattern DB, the failure rate of the information processing apparatus is less than 5%, and the information processing apparatus is still used in another system. If not, add the record to the list. By repeating this process, the configuration determining unit 2 creates an arrangement target list (steps S2 to S6). In this example, since records other than the server 51 shown in FIG. 2 are added to the arrangement target list, the arrangement target list illustrated in FIG. 5 is obtained.
- the configuration determining unit 2 refers to the records in the arrangement target list, and calculates the cost of each information processing device used alone and the cost of each information processing device group forming one cluster. In comparison, the information processing device or information processing device group with the lowest cost is searched (step S7).
- the costs of the servers 52 and 53 are 10,000.
- a case where the server 52 is used as a search result is taken as an example.
- the number determination means 4 calculates the number of servers 52 required to satisfy the required processing amount “700 Tx / S” defined by the SLA 11.
- the processing amount of the server 52 is “1000 Tx / S”, and the number determining means 4 determines that the requested processing amount can be satisfied by one “server 52” (step S8).
- the number determining means 4 determines from the cluster method information that the searched server 52 is an information processing apparatus used alone (Yes in step S9), and proceeds to step S10.
- the required number calculated in step S8 is one (Yes in step S10), and the minimum required processing amount is not defined in SLA11 (No in step S10a). Accordingly, the number determination means 4 determines the number of “servers 52” to be used in the construction target system, and instructs the server 52 to read and start the VM image (step S16).
- the configuration determining unit 2 reads a record of one information processing device from the pattern DB, the failure rate of the information processing device is less than 1%, and the information processing device is still used in another system. If not, add the record to the list.
- the configuration determining unit 2 creates an arrangement target list (steps S2 to S6).
- the arrangement target list illustrated in FIG. 6 is obtained. In the example shown in FIG. 6, only the servers that form the cluster are added to the arrangement target list.
- the configuration determining unit 2 searches for an information processing apparatus group with the lowest cost (step S7).
- the number determination means 4 calculates the number of servers necessary to satisfy the required processing amount “1000 Tx / S” defined by the SLA 11. Since the processing amounts of the servers 54 to 56 are all “1000 Tx / S”, the number determination means 4 determines that one of the searched servers can satisfy the requested processing amount (step S8).
- the number determining means 4 determines from the cluster method information that the searched servers 54 to 56 are information processing devices used as clusters (No in step S9), and proceeds to step S11.
- the process proceeds to step S12.
- step S12 the number-of-units determining means 4 determines whether or not the sum of the processing amounts of the number obtained by subtracting one unit from the necessary number (one) calculated in step S8 exceeds the required processing amount defined in SLA11. Determine. Here, when 1 is subtracted from the required number (1), it becomes 0, and the processing amount that can be processed is also 0. Therefore, it is determined that the processing amount is less than the requested processing amount “1000 Tx / S”, and the process proceeds to step S13.
- step S13 the number determination means 4 calculates the number of units necessary to satisfy the minimum required processing amount “500Tx / S” defined by the SLA11. Since the retrieved processing amounts of the servers 54 to 56 are all “1000 Tx / S”, the number determining means 4 determines that one of the retrieved servers can satisfy the minimum required processing amount. Then, “2 units” obtained by adding 1 to the number (1 unit) is set as the necessary number (step S13).
- the number determination unit 4 determines that the two servers calculated in step S13 can be secured from the searched servers 54 to 56 (Yes in step S14 and step S15). Then, the number determining means 4 determines that two servers (in this case, servers 54 and 55) from the servers 54 to 56 are used for the construction target system (step S16). Then, the number determination unit 4 instructs the servers 54 and 55 to read the VM image and start it.
- the case where the servers 54 and 55 are selected is illustrated, but the combination of the two units selected in step S16 is not limited to the servers 54 and 55.
- the number of information processing devices used in the construction target system is determined based on the failure rate and required processing amount determined from the SLA, and the failure rate and processing amount of each information processing device. It is possible to determine the appropriate number of information processing apparatuses that satisfy the required availability. In addition, when the minimum required processing amount is defined in the SLA, the number of units that can maintain the minimum required processing amount is determined even when a failure occurs in some information processing apparatuses, so the minimum required processing amount is also satisfied. The number can be determined.
- each information processing apparatus determined to be used in the construction target system can execute an operation as the construction target system.
- the information processing apparatus reads a VM file according to an instruction from the system arrangement determination apparatus 10 and operates according to the VM file is exemplified.
- the information processing apparatus may install an OS or software according to an instruction from the system arrangement determination apparatus 10 and operate according to the OS or software.
- a copy of a hard disk or the like in which an OS or the like is already installed may be used.
- the system arrangement determining apparatus 10 is configured to perform at least processing for determining the number of information processing apparatuses used in the construction target system. That's fine.
- FIG. 7 is a block diagram showing an example of the minimum configuration of the present invention.
- the system arrangement determination system of the present invention includes device information storage means 51, list generation means 52, and unit number determination means 53.
- the device information storage unit 51 (for example, the pattern DB storage unit 3) has a failure rate and a cluster indicating whether it is used alone or in a cluster for each information processing device that is a candidate for adoption in the construction target system.
- a record including method information, a processing amount, and a cost that is an index value representing a price is stored.
- the list generation unit 52 (for example, the configuration determination unit 2) includes information (for example, an availability value) that can derive a failure rate defined in the construction target system, and a processing amount required for the normal construction target system.
- information for example, an availability value
- the number determination means 53 (for example, the number determination means 4) is a processing amount of the information processing apparatus used alone or searched for by the list generation means 52 or a group of information processing apparatuses forming a cluster, and a normal required processing amount. Based on the above, the number of information processing devices required to satisfy the normal processing amount is calculated (for example, step S8 is executed), and the information processing device used alone searched by the list generation unit 52, Alternatively, on the condition that the number of information processing apparatuses forming the cluster can be secured (for example, Yes in step S15), the number is determined as the number of information processing apparatuses used in the construction target system, and the list generation unit Secure the calculated number of information processing devices searched independently by 52 or the information processing device group forming a cluster If it is not possible (for example, No in step S15), the list generating means 52 is sent to the information processing device that is used alone, or the lowest cost among the unsearched information processing devices or information processing device groups, or The information processing apparatus group which forms a cluster is searched (for example,
- the system arrangement determination system is an information processing apparatus used in a construction target system in consideration of a failure rate and required processing amount determined from an SLA, and a failure rate and processing amount of each information processing device. Determine the number of units. Accordingly, it is possible to determine the appropriate number of information processing apparatuses that satisfy the availability determined by the SLA.
- the system arrangement determination system includes a failure rate, cluster method information indicating whether the information processing apparatus is used alone or in a cluster, a processing amount, for each information processing apparatus that is a candidate for adoption in the construction target system.
- Device information storage means for example, pattern DB storage means 3 that stores a record that includes a cost that is an index value representing a price, and information that can derive a failure rate defined for the construction target system (for example, availability Value) and a normal level requested processing amount that is a processing amount required for the normal construction target system (for example, the requested processing amount in the embodiment), at least the construction target
- a list of information processing devices having a failure rate lower than the failure rate specified in the system (for example, an arrangement target list) is generated, and the cost is determined from the list.
- Information processing apparatus used alone, or list generation means for example, configuration determination means 2) for searching for a group of information processing apparatuses forming a cluster, and information processing used alone searched by the list generation means
- the number of information processing devices required to satisfy the normal required processing amount is calculated based on the processing amount of the information processing device group forming the device or the cluster and the normal required processing amount (for example, step Execute S8), on the condition that the number of information processing devices used alone or searched by the list generation means can be secured in the information processing device group forming a cluster (for example, Yes in step S15),
- the number is determined as the number of information processing devices used in the system to be constructed, and the information used alone is retrieved by the list generation means.
- the list generation unit includes an unsearched information processing device or information processing device group.
- a number determining means for example, the number determining means 4 for searching for an information processing apparatus used alone or having a lowest cost or a group of information processing apparatuses forming a cluster (for example, performing step S17); It is characterized by providing.
- the minimum number request means is a processing amount required as a processing amount to be processed by the construction target system even when a failure occurs in some information processing apparatuses of the construction target system. If the processing amount is stipulated in the service level agreement, if the number of failed information processing units is excluded from the number of information processing devices required to satisfy the normal processing amount, the normal processing amount cannot be satisfied (For example, No in step S12), the number of information processing devices required to satisfy the minimum required processing amount is calculated by adding the number assumed as the number of failures (for example, executing step S13), and the list On the condition that the calculated number of units can be secured in the group of information processing devices that form the cluster searched by the generation means.
- the list generation unit The information processing device or the information processing device group may be configured to be searched for the information processing device used alone or the information processing device group that forms a cluster.
- the device information storage unit stores a record including information (for example, usage information) regarding whether or not the information processing device is already in use
- the list generation unit is a construction target
- the information processing apparatus may be configured to generate a list of information processing apparatuses that have a failure rate lower than that specified in the system and are not in use. According to such a configuration, it is possible to prevent an information processing apparatus that is already in use from being included in the number of information processing apparatuses used in the construction target system.
- the system arrangement determination system includes individual information processing apparatuses that are candidates for adoption in the construction target system, and the number determination means is a construction target system for an information processing apparatus that is determined to be used in the construction target system. It may be configured to instruct to perform the corresponding operation. According to such a configuration, it is possible to cause each information processing apparatus determined to be used in the construction target system to execute an operation as the construction target system.
- the system arrangement determination system includes an instruction group storage unit (for example, a VM image storage unit 6) that stores an instruction group (for example, a VM image) that causes the information processing apparatus to execute an operation according to the construction target system.
- the number determining means instructs the information processing apparatus determined to be used in the construction target system to read the instruction group from the instruction group storage means and perform an operation according to the construction target system according to the instruction group. May be.
- the system location determination system includes a failure rate, cluster method information indicating whether the information processing apparatus is used alone or in a cluster, a processing amount, for each information processing apparatus that is a candidate for adoption in the construction target system.
- a device information storage unit (for example, the pattern DB storage unit 3) that stores a record that includes a cost that is an index value representing a price, and information that can derive a failure rate defined in the construction target system (for example, availability Value) and a normal level requested processing amount that is a processing amount required for the normal construction target system (for example, the requested processing amount in the embodiment), at least the construction target
- a list of information processing devices with a failure rate lower than the failure rate specified in the system (for example, a placement target list) is generated, and the cost is the highest in the list.
- a low information processing apparatus used alone or a list generation unit for example, configuration determination means 2) for searching for a group of information processing apparatuses forming a cluster and an information processing apparatus used independently searched by the list generation unit
- the number of information processing devices required to satisfy the normal request processing amount is calculated based on the processing amount of the information processing device group forming the cluster and the normal request processing amount (for example, step S8).
- the number of information processing devices is determined as the number of information processing devices used in the construction target system, and is used alone, searched by the list generation unit Alternatively, in the information processing device group that forms the cluster, when the calculated number cannot be secured (for example, No in step S15), the list generation unit is configured to select an information processing device or information processing device group that has not been searched for. It is characterized by comprising an information processing apparatus that is used at the lowest cost, or a number determining unit that searches for an information processing apparatus group that forms a cluster (for example, performs step S17).
- the number determination unit is a minimum requirement that is a processing amount required as a processing amount to be processed by the construction target system even when a failure occurs in some information processing apparatuses of the construction target system. If the processing amount is stipulated in the service level agreement, if the number of failed information processing units is excluded from the number of information processing devices required to satisfy the normal processing amount, the normal processing amount cannot be satisfied (For example, No in step S12), the number of information processing devices required to satisfy the minimum required processing amount is calculated by adding the number assumed as the number of failures (for example, executing step S13), and the list On the condition that the calculated number of units can be secured in the group of information processing devices that form the cluster searched by the generation unit If the number of information processing devices used in the construction target system is fixed and the number of information processing devices that form the cluster searched by the list generation unit cannot be secured, the list generation unit displays unsearched information. You may be comprised so that the information processing apparatus used alone with the lowest cost or the information processing apparatus group which forms a
- the device information storage unit stores a record including information (for example, usage information) regarding whether or not the information processing device is already in use, and the list generation unit is a construction target
- the information processing apparatus may be configured to generate a list of information processing apparatuses that have a failure rate lower than that specified in the system and are not in use.
- the system arrangement determination system includes individual information processing apparatuses that are candidates for adoption in the construction target system, and the number determination unit is used as the construction target system for the information processing apparatus determined to be used in the construction target system. It may be configured to instruct to perform the corresponding operation.
- the system arrangement determination system includes an instruction group storage unit (for example, VM image storage unit 6) that stores an instruction group (for example, a VM image) that causes the information processing apparatus to execute an operation according to the construction target system.
- the number determining unit instructs the information processing apparatus determined to be used in the construction target system to read the instruction group from the instruction group storage unit and perform an operation according to the construction target system according to the instruction group. May be.
- the present invention is preferably applied to a system arrangement determination system that determines the number of information processing apparatuses used in a construction target system.
- the present invention can be applied to a large-scale system such as a data center or a system arrangement determination system that determines the number of information processing apparatuses used in a PAAS (Platform As A Service).
- PAAS Platform As A Service
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Abstract
Description
図1は、本発明のシステム配置決定システムの例を示すブロック図である。本発明のシステム配置決定システムは、システム配置決定装置10を備える。さらに、システム配置決定装置10は、SLA解析手段1と、構成決定手段2と、パターンDB記憶手段3と、台数決定手段4とを備える。
図3および図4は、本発明のシステム配置決定システムの処理経過の例を示すフローチャートである。
2 構成決定手段
3 パターンDB記憶手段
4 台数決定手段
5 サーバ群
6 VMイメージ記憶手段
10 システム配置決定装置
Claims (9)
- 構築対象システムへの採用候補となる個々の情報処理装置毎に、故障率と、単独で用いられるかクラスタで用いられるかを表すクラスタ方式情報と、処理量と、価格を表す指標値であるコストとを含むレコードを記憶する装置情報記憶手段と、
構築対象システムに規定された故障率を導出可能な情報と、正常時の構築対象システムに要求される処理量である正常時要求処理量とを含むサービスレベルアグリーメントが与えられたときに、少なくとも、構築対象システムに規定された故障率より故障率が低い情報処理装置のリストを生成し、当該リストの中から、コストが最も低い、単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群を検索するリスト生成手段と、
リスト生成手段によって検索された単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群の処理量と、正常時要求処理量とに基づいて、正常時要求処理量を満たすために必要な情報処理装置の台数を計算し、リスト生成手段によって検索された単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群で、前記台数を確保できることを条件に、前記台数を、構築対象システムで用いる情報処理装置の台数として確定し、リスト生成手段によって検索された単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群で、計算した台数を確保できない場合には、リスト生成手段に、未検索の情報処理装置または情報処理装置群の中から、コストが最も低い、単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群を検索させる台数決定手段とを備える
ことを特徴とするシステム配置決定システム。 - 台数決定手段は、
構築対象システムの一部の情報処理装置に故障が発生したときでも構築対象システムが処理すべき処理量として要求される処理量である最低要求処理量がサービスレベルアグリーメントに規定されている場合に、正常時要求処理量を満たすために必要な情報処理装置の台数から故障台数として仮定する台数を除外すると正常時要求処理量を満たせなくなるならば、前記最低要求処理量を満たすために必要な情報処理装置の台数に、故障台数として仮定した台数を加算した台数を計算し、リスト生成手段によって検索されたクラスタを形成する情報処理装置群で、計算した台数を確保できることを条件に、前記台数を、構築対象システムで用いる情報処理装置の台数として確定し、リスト生成手段によって検索されたクラスタを形成する情報処理装置群で、計算した台数を確保できない場合には、リスト生成手段に、未検索の情報処理装置または情報処理装置群の中から、コストが最も低い、単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群を検索させる
請求項1に記載のシステム配置決定システム。 - 装置情報記憶手段は、情報処理装置が既に使用中となっているか否かに関する情報を含むレコードを記憶し、
リスト生成手段は、構築対象システムに規定された故障率よりも故障率が低く、使用中となっていない情報処理装置のリストを生成する
請求項1または請求項2に記載のシステム配置決定システム。 - 構築対象システムへの採用候補となる個々の情報処理装置を備え、
台数決定手段は、構築対象システムで用いると確定した情報処理装置に対して、構築対象システムに応じた動作を行うように指示する
請求項1から請求項3のうちのいずれか1項に記載のシステム配置決定システム。 - 情報処理装置に構築対象システムに応じた動作を実行させる命令群を記憶する命令群記憶手段を備え、
台数決定手段は、構築対象システムで用いると確定した情報処理装置に対して、命令群記憶手段から命令群を読み込み、当該命令群に従って構築対象システムに応じた動作を行うように指示する
請求項4に記載のシステム配置決定システム。 - 構築対象システムへの採用候補となる個々の情報処理装置毎に、故障率と、単独で用いられるかクラスタで用いられるかを表すクラスタ方式情報と、処理量と、価格を表す指標値であるコストとを含むレコードを記憶し、
構築対象システムに規定された故障率を導出可能な情報と、正常時の構築対象システムに要求される処理量である正常時要求処理量とを含むサービスレベルアグリーメントが与えられたときに、少なくとも、構築対象システムに規定された故障率より故障率が低い情報処理装置のリストを生成し、当該リストの中から、コストが最も低い、単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群を検索し、
検索された単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群の処理量と、正常時要求処理量とに基づいて、正常時要求処理量を満たすために必要な情報処理装置の台数を計算し、検索された単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群で、前記台数を確保できることを条件に、前記台数を、構築対象システムで用いる情報処理装置の台数として確定し、検索された単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群で、計算した台数を確保できない場合には、未検索の情報処理装置または情報処理装置群の中から、コストが最も低い、単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群を再度検索する
ことを特徴とするシステム配置決定方法。 - 構築対象システムの一部の情報処理装置に故障が発生したときでも構築対象システムが処理すべき処理量として要求される処理量である最低要求処理量がサービスレベルアグリーメントに規定されている場合に、正常時要求処理量を満たすために必要な情報処理装置の台数から故障台数として仮定する台数を除外すると正常時要求処理量を満たせなくなるならば、前記最低要求処理量を満たすために必要な情報処理装置の台数に、故障台数として仮定した台数を加算した台数を計算し、検索されたクラスタを形成する情報処理装置群で、計算した台数を確保できることを条件に、前記台数を、構築対象システムで用いる情報処理装置の台数として確定し、検索されたクラスタを形成する情報処理装置群で、計算した台数を確保できない場合には、未検索の情報処理装置または情報処理装置群の中から、コストが最も低い、単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群を再度検索する
請求項6に記載のシステム配置決定方法。 - 構築対象システムへの採用候補となる個々の情報処理装置毎に、故障率と、単独で用いられるかクラスタで用いられるかを表すクラスタ方式情報と、処理量と、価格を表す指標値であるコストとを含むレコードを記憶する装置情報記憶手段を備えたコンピュータに搭載されるシステム配置決定プログラムであって、
前記コンピュータに、
構築対象システムに規定された故障率を導出可能な情報と、正常時の構築対象システムに要求される処理量である正常時要求処理量とを含むサービスレベルアグリーメントが与えられたときに、少なくとも、構築対象システムに規定された故障率より故障率が低い情報処理装置のリストを生成し、当該リストの中から、コストが最も低い、単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群を検索するリスト生成処理、および、
リスト生成処理で検索された単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群の処理量と、正常時要求処理量とに基づいて、正常時要求処理量を満たすために必要な情報処理装置の台数を計算し、リスト生成処理で検索された単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群で、前記台数を確保できることを条件に、前記台数を、構築対象システムで用いる情報処理装置の台数として確定し、リスト生成処理で検索された単独で用いられる情報処理装置、または、クラスタを形成する情報処理装置群で、計算した台数を確保できない場合には、未検索の情報処理装置または情報処理装置群を対象に、リスト生成処理を再実行する台数決定処理
を実行させるためのシステム配置決定プログラム。 - コンピュータに、
台数決定処理で、
構築対象システムの一部の情報処理装置に故障が発生したときでも構築対象システムが処理すべき処理量として要求される処理量である最低要求処理量がサービスレベルアグリーメントに規定されている場合に、正常時要求処理量を満たすために必要な情報処理装置の台数から故障台数として仮定する台数を除外すると正常時要求処理量を満たせなくなるならば、前記最低要求処理量を満たすために必要な情報処理装置の台数に、故障台数として仮定した台数を加算した台数を計算させ、リスト生成処理で検索されたクラスタを形成する情報処理装置群で、計算した台数を確保できることを条件に、前記台数を、構築対象システムで用いる情報処理装置の台数として確定させ、リスト生成処理で検索されたクラスタを形成する情報処理装置群で、計算した台数を確保できない場合には、未検索の情報処理装置または情報処理装置群を対象に、リスト生成処理を再実行させる
請求項8に記載のシステム配置決定プログラム。
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US13/504,855 US8640139B2 (en) | 2009-10-29 | 2010-10-15 | System deployment determination system, system deployment determination method, and program |
CN201080049428.5A CN102597957B (zh) | 2009-10-29 | 2010-10-15 | 系统部署确定系统、系统部署确定方法及程序 |
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JP2017142581A (ja) * | 2016-02-08 | 2017-08-17 | 日本電信電話株式会社 | 構成選択システム、構成選択方法及びプログラム |
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US9122538B2 (en) * | 2010-02-22 | 2015-09-01 | Virtustream, Inc. | Methods and apparatus related to management of unit-based virtual resources within a data center environment |
US10198308B2 (en) | 2014-03-19 | 2019-02-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Availability-estimate based configuration generation |
US11048702B1 (en) * | 2018-02-07 | 2021-06-29 | Amazon Technologies, Inc. | Query answering |
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CN102597957B (zh) | 2015-01-21 |
US20120221900A1 (en) | 2012-08-30 |
CN102597957A (zh) | 2012-07-18 |
JP5527326B2 (ja) | 2014-06-18 |
JPWO2011052149A1 (ja) | 2013-03-14 |
US8640139B2 (en) | 2014-01-28 |
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