WO2006054334A1 - 記憶領域割当装置、記憶領域割当方法および記憶領域割当プログラム - Google Patents
記憶領域割当装置、記憶領域割当方法および記憶領域割当プログラム Download PDFInfo
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- WO2006054334A1 WO2006054334A1 PCT/JP2004/017024 JP2004017024W WO2006054334A1 WO 2006054334 A1 WO2006054334 A1 WO 2006054334A1 JP 2004017024 W JP2004017024 W JP 2004017024W WO 2006054334 A1 WO2006054334 A1 WO 2006054334A1
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- storage area
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0662—Virtualisation aspects
- G06F3/0665—Virtualisation aspects at area level, e.g. provisioning of virtual or logical volumes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
- G06F3/0605—Improving or facilitating administration, e.g. storage management by facilitating the interaction with a user or administrator
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
- G06F3/0631—Configuration or reconfiguration of storage systems by allocating resources to storage systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
Definitions
- Storage area allocation device storage area allocation method, and storage area allocation program
- the present invention relates to a storage area allocation device, a storage area allocation method, and a storage area allocation program for allocating a storage area used by an application from a storage device.
- the present invention relates to a storage area allocation device, a storage area allocation method, and a storage area allocation program.
- a system engineer (SE) or system administrator uses a calculation formula that is recommended based on the amount of data stored in the database. Based on the experience value, the capacity allocated to the database space, the capacity allocated to the data area for each related category such as the dictionary area, log area, etc. was obtained.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-222061
- the present invention has been made to solve the above-described problems caused by the prior art, and uses each data area such as a database space area, a dictionary area, and a log area.
- An object of the present invention is to provide a storage area allocation device, a storage area allocation method, and a storage area allocation program that can be allocated from a storage device that can improve the efficiency of allocation of storage areas to applications for each purpose.
- the storage area allocation device is a storage area allocation device that allocates storage device power to a storage area used by an application, A data area for each type required by the application is specified, a capacity calculation means for calculating the capacity of the specified data area, and a storage area of the capacity calculated by the capacity calculation means as a storage device capacity And an area allocating means to be allocated.
- the data area for each type required by the application is specified, the capacity of the specified data area is calculated, and the storage capacity of the calculated capacity is stored in the data area.
- the system administrator can allocate the storage area to the application without calculating the capacity of the data area for each type.
- the storage area allocating device is the storage area allocating device according to claim 1, wherein the area allocating means uses the virtual storage area having the capacity calculated by the capacity calculating means as the data area. And a real storage area corresponding to the allocated virtual storage area is allocated from the storage device.
- the virtual storage area having the calculated capacity is allocated as the data area, and the real storage area corresponding to the allocated virtual storage area is allocated from the storage device. It is possible to eliminate the need for application changes that accompany changes in the system.
- the storage area allocating device is the storage area allocating device according to the invention of claim 1, wherein the area allocating means allocates a storage area from the storage device based on an arrangement restriction between the data areas. It is characterized by that.
- the storage area is allocated from the storage device based on the arrangement restriction between the data areas, the system administrator is bothered by the arrangement restriction.
- the storage area can be allocated without any problem.
- the storage area allocating device is the storage area allocating device according to the invention of claim 3, wherein the arrangement restriction includes a best arrangement that is the most desirable arrangement and a minimum requirement that satisfies a minimum arrangement condition.
- the area allocating means allocates the storage area with the best arrangement, and allocates the storage area with the lowest arrangement when the storage area cannot be allocated with the best arrangement.
- the arrangement restriction includes the best arrangement, which is the most desirable arrangement, and the minimum arrangement, which satisfies the minimum necessary arrangement conditions. Since it is configured to allocate with the lowest allocation in the case where it cannot be allocated with, it is possible to perform the best allocation within the possible range.
- the application includes database software, and the capacity calculation means The capacity of the database space area for storing data, the dictionary area for storing dictionary information, and the log area for recording logs is calculated, and the area allocating means is used for restricting the arrangement among the database space area, the dictionary area, and the log area. Based on this, the storage area is allocated from the storage device.
- the application includes database software, and a database space area for storing data, a dictionary area for storing dictionary information, and a log for recording logs are stored in the database software. Since the capacity of the area was calculated and the storage area was allocated based on the placement restrictions among the database space area, dictionary area, and log area, the system administrator configured the database space area, dictionary area, and log area. The storage area can be allocated without being bothered by the arrangement restrictions between the storage areas.
- the storage area allocating device is the storage area allocated in the lowest arrangement in the invention of claim 4 when the storage area allocated as the data area is migrated. It is further provided with a migration means for determining whether or not the area can be allocated with the best arrangement, and allocating a new storage area with the best arrangement when it can be allocated with the best arrangement. It is characterized by. [0018] According to the invention of claim 6, when the storage area allocated as the data area is migrated, the storage area allocated with the minimum allocation can be allocated with the best allocation. When it is possible to determine whether or not it is possible to allocate with the best arrangement, a new storage area is allocated with the best arrangement, so that the arrangement can be improved at the time of migration.
- the storage area allocating device monitors the usage status of the data areas for each type by the application according to the invention of claim 1, and the ratio of the used areas is determined. It further comprises capacity expansion means for expanding the capacity of the data area exceeding the threshold and expanding the capacity of other data areas used by the application when a predetermined threshold is exceeded. To do.
- the usage status of the data area for each type by the application is monitored, and when the ratio of the used area exceeds a predetermined threshold, the threshold is exceeded.
- the capacity of other data areas used by the application is also expanded, so the capacity of the data area can be easily expanded.
- the storage area allocation method according to the invention of claim 8 is a storage area allocation method for allocating a storage area used by an application from a storage device, wherein the data area for each type required by the application is allocated.
- the data area for each type required by the application is specified, the capacity of the specified data area is calculated, and the storage area of the calculated capacity is stored in the storage device capacity data area.
- the system administrator can allocate the storage area to the application without calculating the capacity of the data area.
- the storage area allocation program according to the invention of claim 9 is a storage area allocation program for allocating a storage area used by an application from a storage device, and is a data area for each type required by the application.
- the data area for each type required by the application is specified, the capacity of the specified data area is calculated, and the storage area of the calculated capacity is stored in the storage device capacity data area.
- the system administrator can allocate the storage area to the application without calculating the capacity of the data area.
- the system administrator allocates a storage area to the application without calculating the capacity of the data area for each use purpose of the application (for each type). Therefore, it is possible to improve the efficiency of the work of allocating storage areas to applications, which is advantageous.
- the system administrator can allocate the storage area without bothering with the arrangement restriction, so that the efficiency of the work of allocating the storage area to the application is improved. If you can, it will have a positive effect.
- the system administrator can allocate the storage area without being bothered by the arrangement restriction among the database space area, the dictionary area, and the log area. If the storage area can be easily allocated to the database software, there is an effect!
- FIG. 1 is a functional block diagram showing a system configuration of a virtual storage system according to the present embodiment.
- FIG. 2 is an explanatory diagram for explaining the relationship between a virtual disk and a real disk.
- FIG. 3 is an explanatory diagram for explaining real disk allocation by the disk virtualization unit.
- FIG. 4 is a functional block diagram showing the configuration of the disk virtualization unit.
- FIG. 5 is a diagram illustrating an example of a data structure of capacity calculation information stored in a capacity calculation information storage unit.
- Fig. 6-1 shows an example of the usage status of real disks.
- FIG. 6-2 is a diagram showing an example of the disk device usage information stored in the disk device usage information storage unit.
- FIG. 7 is a diagram showing an example of disk capacity allocation related information stored in a disk capacity allocation related information storage unit.
- FIG. 8 is a diagram illustrating an example of a data structure of virtual disk allocation information stored in a virtual disk allocation information storage unit.
- FIG. 9 is a flowchart showing a processing procedure of virtual disk allocation processing by the disk virtualization unit.
- FIG. 10 is a flowchart showing a processing procedure of virtual disk device allocation processing.
- FIG. 11 is a diagram illustrating a hardware configuration of a fiber channel switch that executes a disk virtualization program according to the present embodiment.
- FIG. 1 is a functional block diagram showing the system configuration of the virtual storage system according to this embodiment.
- this virtual storage system is configured by connecting servers 1 and 2 and storages 21-24 via a fiber channel switch 10.
- a fiber channel switch 10 For convenience of explanation, an arbitrary number of servers and storages are connected to the fiber channel switch 10 that shows only two servers and four storages.
- Storage 21-24 is a disk unit.
- disk virtualization unit 100 of Fiber Channel switch 10 virtualizes the storage and virtualizes it to Server 1.
- the disk 30 is allocated, and the storage capacity is allocated to the physical disk 40 corresponding to the virtual disk 30.
- FIG. 2 is an explanatory diagram for explaining the relationship between the virtual disk 30 and the real disk 40.
- the virtual disk 30 of “# 0000” is composed of the entire real disk (logical unit) 40 of “# 00” and a part of the real disk 40 of “# 01” of the disk device A.
- the virtual disk 30 of “# 0001” is composed of a part of the “# 01” real disk 40 of the disk device A and a part of the “# 00” real disk 40 of the disk device B.
- the virtual disk 30 allocated to the server by the disk virtualization unit 100 is configured from a plurality of real disks 40 of one disk device, or from a plurality of real disks 40 of a plurality of disk devices. May be configured.
- the configuration of virtual disk 30 is separated from the physical configuration of storage, and applications such as database software 50 and backup software 60 that run on the server are not affected by changes in the physical configuration of storage. Storage can be used.
- the disk virtualization unit 100 also includes information indicating that the application that requested the disk area is the database software 50 when the database software 50 of the server 1 requests allocation of the disk area.
- the value of the variable that affects the capacity is received from server 1 and the database software 50 requires Specify the data area for each type (such as usage space), dictionary, and log management, calculate the capacity of each data area, and allocate the virtual disk 30 and real disk 40.
- variables affecting the capacity of the database include, for example, record length and number of records.
- FIG. 3 is an explanatory diagram for explaining the allocation of the real disk 40 by the disk virtualization unit 100.
- the disk virtualization unit 100 includes database spaces, dictionaries, log management files, temporary log files, etc. that are required by the database software 50 when the database software 50 requests disk space allocation.
- the data area for each type is specified, the capacity of each specified data area is calculated, and the virtual disk 30 and the real disk 40 are allocated.
- the disk virtualization unit 100 assigns a real disk 40 with a LUN (Logical Unit Number) of disk device A of "# 000", and for the dictionary, the disk The physical disk 40 with LUN # "000" is assigned to device B.
- LUN Logical Unit Number
- the disk virtualization unit 100 receives the information of the application that requested the disk area and the value of the variable affecting the capacity of the disk area from the server, and the data area for each type required by the application.
- the system administrator can efficiently allocate the disk area by calculating the capacity of each identified area and allocating the virtual disk 30 and the real disk 40.
- FIG. 4 is a functional block diagram showing the configuration of the disk virtualization unit 100.
- the disk virtualization unit 100 includes a server communication unit 110, a capacity calculation information storage unit 120, a capacity calculation unit 130, a disk device usage information storage unit 140, and a disk capacity allocation related.
- the information storage unit 150 includes a virtual disk allocation information storage unit 160, a virtual disk allocation unit 170, a storage configuration update unit 180, and a migration unit 190.
- the server communication unit 110 is a processing unit that communicates with the servers 1 and 2, for example, the server 1 Power Receives a disk space allocation request and sends information about the allocated virtual disk 30 to server 1.
- the capacity calculation information storage unit 120 is a storage unit that stores information necessary for the disk virtualization unit 100 to specify a disk area required by the application and calculate the capacity of each specified area. is there.
- FIG. 5 is a diagram illustrating an example of the data structure of the capacity calculation information stored in the capacity calculation information storage unit 120.
- the capacity calculation information storage unit 120 includes an application name that is the name of an application that requests allocation of a disk area, a data area for each type required by the application, and a capacity of each data area.
- This formula and the disk layout are stored for each application.
- the disk arrangement is the arrangement of the data area on the actual disk 40 based on the constraints between the data areas. “Best” indicates the best and best arrangement, and “Minimum” indicates the minimum necessary condition. Indicates the minimum arrangement to satisfy.
- the database software A requires a data area for each type such as a database space, dictionary, directory file, log management file, etc.
- the number of database spaces c which is the capacity of the database space, c indicates the record length a
- c b / (4096 / a) X 1.5.
- the value (1) of the expression with No force “1” in the database space is 4096Za
- No “3”
- c (2)
- X 1.5 b / (4096 / a) X 1.5.
- the arrangement of the real disk 40 for each data area the arrangement in which the database space, dictionary, directory file, and log management file are all different numbers, that is, allocated to another real disk 40 is the best. This is the arrangement that satisfies the minimum requirements for the allocation to be allocated to the real disk 40 different from the other data areas.
- the capacity calculation unit 130 uses the capacity calculation information stored in the capacity calculation information storage unit 120 to identify the data area for each type required by the application specified by the server, and to determine the capacity of each data area. Is a processing unit for calculating. Then, the capacity calculation unit 130 stores the calculated capacity in the disk capacity allocation related information storage unit 150. If there is information necessary for capacity calculation other than the application information, the information is received from the server and the capacity is calculated. As information necessary for capacity calculation, for example, in the case of the database software 50, there are a record length and a number of records.
- This capacity calculation unit 130 identifies the data area for each type required by the application, and calculates the capacity of each data area, thereby improving the efficiency of assigning the disk area to each application. can do.
- the disk device usage information storage unit 140 is a storage unit that stores disk device usage information, which is information related to the usage status of the real disk 40. For example, when the usage status of the real disk 40 is as shown in FIG. 6-1, the disk device usage information storage unit 140 stores the real disk allocation management information and the real disk unallocation management information shown in FIG. Store as disk unit usage information.
- the physical disk allocation management information is information related to the area of the used real disk 40, and includes the disk device name, logical unit number, port number, RAID configuration type, interface, and used area LBA (Logical Block Address) force composed.
- LBA Logical Block Address
- the interface indicates the data transfer rate with the Fiber Channel switch 10, for example, "2GB-FC" indicates that the data transfer rate with the Fiber Channel switch 10 is 2G-nois Z seconds.
- the use area LBA is composed of a start LBA indicating the first block address of the use area and an end LBA indicating the end block address of the use area.
- the physical disk unallocated management information is information regarding the area of the real disk 40 that has been used! Disk unit name, logical unit number, port number, RAID configuration type, interface, and unused area Consists of LBA.
- the unused area LBA is composed of a start LBA indicating the start block address of the unused area and an end LBA indicating the end block address of the used area.
- the disk capacity allocation related information storage unit 150 is a storage unit that temporarily stores the capacity of each data area calculated by the capacity calculation unit 130, the disk arrangement, and the like as disk capacity allocation related information.
- FIG. 7 is a diagram showing an example of the disk capacity allocation related information stored in the disk capacity allocation related information storage unit 150.
- this disk space allocation related information includes the database space, dictionary, directory, log allocated in response to the disk space allocation request from the database software A shown in FIG. It includes an ID that identifies each data area for each type, such as a management file, the capacity of each data area, and the disk layout.
- the virtual disk allocation information storage unit 160 is a storage unit that stores information regarding the virtual disk 30 and the real disk 40 allocated to the application as virtual disk allocation information.
- FIG. 8 is a diagram showing an example of the data structure of the virtual disk allocation information stored in the virtual disk allocation information storage unit 160. As shown in the figure, this virtual disk allocation information includes a virtual disk allocation information table, a virtual disk information table, and a real disk allocation information table.
- the virtual disk allocation information table is a table for storing information on the virtual disk 30 allocated to the application, and includes a management number for managing the application, an application name, and a type required for the application. An ID for identifying each data area and a virtual disk number for identifying the virtual disk 30 assigned to each data area are stored for each application.
- the virtual disk information table is a table for storing information related to the virtual disk 30, and the virtual disk number, virtual disk type, virtual disk capacity, and real disk allocation.
- a real disk allocation information pointer which is a pointer to this information table, is stored for each virtual disk 30.
- the real disk allocation information table is a table storing information related to the real disk 40 corresponding to the virtual disk 30, and is created when the virtual disk 30 is allocated to an application by the virtual disk allocation unit 170. Therefore, the virtual disk allocation information storage unit 160 stores the same number of real disk allocation information tables as the number of virtual disks 30.
- the physical disk allocation information table identifies the partition number that identifies the partition of the real disk 40 that constitutes the virtual disk 30, the storage device name that indicates the disk device to which the partition belongs, and the logical unit in the storage device.
- the logical unit number, partition capacity, start LBA, and end LBA are stored for each partition.
- the virtual disk 30 with the virtual disk number “0000” is composed of three partitions, and the partition with the partition number power “l” has the logical unit number “# 000” of the disk device A.
- the capacity is 81920 MB, the start LBA is “0”, and the end LBA is “167772159”.
- a new partition is added to this real disk allocation information table.
- the virtual disk allocation unit 170 is a processing unit that allocates the virtual disk 30 and the real disk 40 based on the disk capacity allocation related information stored in the disk capacity allocation related information storage unit 150. The result is stored in the virtual disk allocation information storage unit 160.
- the virtual disk allocation unit 170 allocates the real disk 40 based on the best allocation among the disk allocations in the disk capacity allocation related information, and if the best allocation is not possible, Assign by placement.
- the storage configuration update unit 180 is a processing unit that updates information in the disk device usage information storage unit 140 when a disk device that configures the virtual storage system is added or changed.
- the migration unit 190 is a processing unit that renews the data stored in the old physical disk 40 and migrates it to the real disk 40 when the used physical disk 40 is replaced.
- the migration unit 190 performs the best arrangement as much as possible for the data area of the application for which the best arrangement has not been performed at the time of migration.
- the migration unit 190 migrates, the data area of the application where the best arrangement is not performed is performed as much as possible, and the virtual storage system is added by adding a disk device or the like. This will improve the reliability and performance.
- FIG. 9 is a flowchart showing a processing procedure of virtual disk allocation processing by the disk virtualization unit 100.
- a case where a disk area allocation request is received from server 1 will be described as an example.
- the capacity calculation unit 130 uses the information stored in the capacity calculation information storage unit 120.
- the data area for each type required by is identified, and the capacity of each identified data area is calculated (step S101).
- the virtual disk allocation unit 170 performs a virtual disk device allocation process for allocating the virtual disk 30 having the capacity calculated by the capacity calculation unit 130 and the corresponding real disk 40.
- the virtual disk allocation unit 170 performs virtual disk device allocation processing in the best mode for performing allocation processing in the best arrangement (step S102).
- step S103 it is determined whether or not the force can be allocated by the best arrangement.
- the allocation result is notified to the server 1 (step S104).
- step S105 the virtual disk device allocation process is performed in the lowest mode in which the allocation process with the lowest allocation is performed.
- step S106 it is determined whether or not the allocation based on the minimum allocation has been achieved. If the allocation based on the minimum allocation has been completed, the allocation result is notified to the server 1 (step S104), and the allocation based on the minimum allocation is determined. If the allocation is not possible, the server 1 is notified of the allocation failure (step S107).
- the capacity calculation unit 130 identifies the data area for each type required by the application, calculates the capacity of each identified data area, and the virtual disk allocation unit 170 calculates the capacity.
- the virtual disk allocation unit 170 calculates the capacity.
- FIG. 10 is a flowchart showing the processing procedure of the virtual disk device allocation processing. This virtual disk device allocation process is activated by specifying whether the disk arrangement is the best arrangement or the lowest arrangement.
- the value of the variable m is initialized to “1” (step S201). Then, the real disk device unallocated management information in the disk device usage information storage unit 140 is referred to search for a real disk 40 that can secure the m-th capacity of the disk capacity allocation related information (step S202).
- step S203 If the real disk 40 is found (step S203, affirmative), it is checked whether there is a problem with the disk arrangement (step S204). If there is a problem, the process returns to step S202. Look for another real disk 40.
- step S205 information such as capacity, disk device name, logical unit number, start LBA, end LBA, etc. is temporarily stored (step S205). "Is added (step S206).
- step S207 it is determined whether or not the power is greater than 111, that is, whether or not the real disk 40 can be allocated to all data areas stored in the disk capacity allocation related information storage unit 150 (step S207), if not greater than 111, return to step S202 and search for the real disk 40 to be allocated to the next data area.
- step S208 if it is greater than 111, that is, if the real disk 40 can be allocated to all the data areas stored in the disk capacity allocation related information storage unit 150, the disk device usage status storage unit 140 real disk device allocation management information and real disk device unallocated management information, and virtual disk allocation information stored in the virtual disk allocation information storage unit 160 are updated (step S208), and the allocation result is returned as successful allocation (step S209).
- the virtual disk device allocation process allocates the real disk 40 to the data area stored in the disk capacity allocation related information storage unit 150, and the disk device usage status storage unit 140 and the virtual disk allocation information.
- the virtual disk 30 associated with the real disk 40 can be allocated.
- the capacity calculation unit 130 uses the capacity calculation information stored in the capacity calculation information storage unit 120 to determine the data area for each type required by the application. At the same time, the capacity of each identified data area is calculated, and the virtual disk allocation unit 170 allocates the virtual disk 30 associated with the real disk 40 to the data area whose capacity is calculated by the capacity calculation unit 130. As a result, the disk space required by the application can be allocated efficiently.
- the case of first allocating the disk area requested by the application has been described.
- the usage status of the allocated disk area is monitored, and when the allocated disk area is used beyond a predetermined ratio, The disk space can be expanded automatically.
- the capacity of a certain data area is expanded, the data area related to that data area can be automatically expanded.
- the capacity of the database space is expanded, and the capacity of the dictionary, log file, etc. is also expanded. It can be expanded proportionally.
- the real disk 40 when the real disk 40 is allocated so as to satisfy the disk allocation condition of the data area for each type required by the application, the RAID configuration and the fiber are allocated to the data area described above. Corresponding conditions such as the interface with the channel switch, the real disk 40 can be allocated to satisfy these conditions.
- the power mainly described for the database software 50 is not limited to this.
- the present invention is not limited to this, and the same applies to other software using the storage system such as the backup software 60. Can be applied.
- the power described for the virtual storage system is described.
- the present invention can be similarly applied to the case where the real disk 40 is directly allocated without using the virtual storage technology.
- the disk virtualization unit 100 of the fiber channel switch 10 has been described.
- the present invention is not limited to this, and the present invention is not limited to this.
- a disk virtualization unit can also be provided.
- the power described for the disk virtualization unit 100 of the fiber channel switch 10 is realized by software to realize the configuration of the disk virtualization unit 100 so that the disk virtualization unit having the same function can be realized. Can be obtained as an example of the storage allocation program. Therefore, the hardware configuration of the Fiber Channel switch that executes this disk virtualization program will be described.
- FIG. 11 is a diagram illustrating a hardware configuration of the fiber channel switch that executes the disk virtualization program according to the present embodiment.
- the fiber channel switch 200 includes a server interface 210, a ROM 220, a RAM 230, a flash memory 240, an MPU 250, and a disk interface 260.
- the server interface 210 is an interface that communicates with the server, and the ROM 220 is a read-only memory that stores the disk virtualization program 221 and the capacity calculation information 222 shown in FIG.
- the RAM 230 performs the execution of the disk virtualization program 221, the disk device usage information 241 shown in FIG. 6-2, the disk capacity allocation related information 242 shown in FIG. 7, and the virtual disk allocation shown in FIG. It is a memory that stores information 243 and the like.
- the flash memory 240 is a non-volatile memory that stores disk device usage information 241, disk allocation related information 242, virtual disk allocation information 243, etc., and the MPU 250 reads and executes a program stored in the ROM 220. Is a processing device.
- the disk interface 260 is an interface for communicating with the disk device.
- the disk virtualization program 221 stored in the ROM 220 is read by the MPU 250 and executed as the disk virtualization task 251.
- the disk device usage information 241, the disk capacity allocation related information 242 and the virtual disk allocation information 243 stored in the flash memory 240 are read into the RAM 230 and updated.
- the storage area allocating device, the storage area allocating method, and the storage area allocating program according to the present invention are useful for a storage system, and in particular, a storage system that is used in an application with complicated storage area allocation. Suitable for
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/017024 WO2006054334A1 (ja) | 2004-11-16 | 2004-11-16 | 記憶領域割当装置、記憶領域割当方法および記憶領域割当プログラム |
JP2006544726A JPWO2006054334A1 (ja) | 2004-11-16 | 2004-11-16 | 記憶領域割当装置、記憶領域割当方法および記憶領域割当プログラム |
US11/803,847 US20070277018A1 (en) | 2004-11-16 | 2007-05-16 | Storage area allocating apparatus, storage area allocating method, and computer product |
Applications Claiming Priority (1)
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PCT/JP2004/017024 WO2006054334A1 (ja) | 2004-11-16 | 2004-11-16 | 記憶領域割当装置、記憶領域割当方法および記憶領域割当プログラム |
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US11/803,847 Continuation US20070277018A1 (en) | 2004-11-16 | 2007-05-16 | Storage area allocating apparatus, storage area allocating method, and computer product |
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US (1) | US20070277018A1 (ja) |
JP (1) | JPWO2006054334A1 (ja) |
WO (1) | WO2006054334A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2008052512A (ja) * | 2006-08-24 | 2008-03-06 | Hitachi Ltd | 記憶制御装置及び記憶制御方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8001341B2 (en) * | 2008-01-23 | 2011-08-16 | International Business Machines Corporation | Managing dynamically allocated memory in a computer system |
JP5537732B2 (ja) * | 2010-08-11 | 2014-07-02 | 株式会社日立製作所 | ストレージシステム |
US10229046B2 (en) * | 2017-06-01 | 2019-03-12 | International Business Machines Corporation | Memory categorization |
US11797234B2 (en) * | 2020-12-22 | 2023-10-24 | Red Hat, Inc. | Determining a size of virtual disks |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05189280A (ja) * | 1992-01-10 | 1993-07-30 | Fujitsu Ltd | 記憶領域確保装置 |
JP2002222061A (ja) * | 2001-01-25 | 2002-08-09 | Hitachi Ltd | 記憶領域を設定する方法、記憶装置およびプログラム記憶媒体 |
JP2004013547A (ja) * | 2002-06-07 | 2004-01-15 | Hitachi Ltd | データ割当方法、情報処理システム |
Family Cites Families (4)
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JP3033767B1 (ja) * | 1999-03-12 | 2000-04-17 | 神戸日本電気ソフトウェア株式会社 | デ―タベ―スのテ―ブル使用領域算出方式 |
US7305421B2 (en) * | 2001-07-16 | 2007-12-04 | Sap Ag | Parallelized redo-only logging and recovery for highly available main memory database systems |
US7043619B1 (en) * | 2002-01-14 | 2006-05-09 | Veritas Operating Corporation | Storage configurator for determining an optimal storage configuration for an application |
US7275142B1 (en) * | 2004-07-26 | 2007-09-25 | Veritas Operating Corporation | Storage layout and data replication |
-
2004
- 2004-11-16 WO PCT/JP2004/017024 patent/WO2006054334A1/ja active Application Filing
- 2004-11-16 JP JP2006544726A patent/JPWO2006054334A1/ja active Pending
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2007
- 2007-05-16 US US11/803,847 patent/US20070277018A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05189280A (ja) * | 1992-01-10 | 1993-07-30 | Fujitsu Ltd | 記憶領域確保装置 |
JP2002222061A (ja) * | 2001-01-25 | 2002-08-09 | Hitachi Ltd | 記憶領域を設定する方法、記憶装置およびプログラム記憶媒体 |
JP2004013547A (ja) * | 2002-06-07 | 2004-01-15 | Hitachi Ltd | データ割当方法、情報処理システム |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008052512A (ja) * | 2006-08-24 | 2008-03-06 | Hitachi Ltd | 記憶制御装置及び記憶制御方法 |
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US20070277018A1 (en) | 2007-11-29 |
JPWO2006054334A1 (ja) | 2008-05-29 |
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