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Program, method and apparatus for virtual storage management

A technology of virtual storage and hypervisor, applied in the field of selecting logical volumes, to prevent deterioration of access performance, improve reliability and maintenance performance

Inactive Publication Date: 2006-05-03
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, what allocation method should be built for partially unallocated disks is still an open topic

Method used

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  • Program, method and apparatus for virtual storage management
  • Program, method and apparatus for virtual storage management
  • Program, method and apparatus for virtual storage management

Examples

Experimental program
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Embodiment Construction

[0059] FIG. 1 is a block diagram showing a system configuration of virtual memory management processing applied to the present invention. In the following description of an embodiment, an example will be given where a virtual volume is used as a virtual disk and a physical volume is used as a physical disk. In FIG. 1, controllers 10-1 and 10-2 that execute virtual storage management processing of the present invention are provided between servers 18-1, 18-2 and RAID devices 12-1, 12-2. The management server 15 of the remote management controllers 10-1 and 10-2 is installed with the virtual storage management program of the present invention, and when executing the virtual storage management program, by creating physical The disk pool (storage pool) of the module group hides the type, configuration and capacity of the physical RAID devices 12-1 and 12-2 for the access of the servers 18-1 and 18-2, thereby realizing the distribution with the servers 18-1 and 18-2 2 The virtual ...

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PUM

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Abstract

Virtual memory management program, method and apparatus. The capacity specifying unit specifies the capacity desired by the user of the virtual disk in the disk pool. The first selection unit selects one (1) or more physical disks satisfying a specified capacity from the storage pool in which physical disks are registered such that the number of selected physical disks is minimized, and allocates the selected physical disks to virtual disks. The second selection unit selects one (1) or a plurality of physical disks satisfying the designated capacity when the selection by the first selection unit is unsuccessful, so that the range number that is the number of unallocated areas distributed in the selected physical disks is the smallest, and Allocate the selected physical disk.

Description

[0001] This application claims priority from prior application No. JP2004-314349 filed in Japan on October 28, 2004. technical field [0002] The present invention generally relates to a virtual storage management program, method and device for allocating physical volumes (physical volumes) managed in a storage pool (pool) to virtual volumes (virtual volumes) with user-specified capacity, and more particularly, the present invention relates to A virtual storage management program, method and device for selecting a logical volume so that the logical volume satisfies reliability, maintainability and performance, and assigning the selected logical volume to a virtual volume. Background technique [0003] Conventionally, there is known a virtual storage system that centrally manages a plurality of disk storages by virtualizing the storages and assigning virtual volumes to servers. In this virtual storage system, virtualized disk storage is provided between servers and physical d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/08G06F3/06
CPCG06F3/0604G06F3/0631G06F3/0644G06F3/0665G06F3/0689G06F12/00G06F12/02
Inventor 青山佳津雄
Owner FUJITSU LTD
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