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Disk controller with logically partitioning function

A technology of disk controller and logical partition, applied in the field of storage system

Inactive Publication Date: 2006-03-22
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, when the storage system is used to back up data accumulated day by day, large-scale data processing capacity is required

Method used

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  • Disk controller with logically partitioning function
  • Disk controller with logically partitioning function
  • Disk controller with logically partitioning function

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0028] Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.

[0029] FIG. 1 is a block diagram showing an example of the configuration of a system including a storage system according to a first embodiment of the present invention. The system shown in FIG. 1 includes multiple host computers 100 and a storage system. The storage system includes a disk controller 300 and multiple disk drives 300 .

[0030] A plurality of host computers 100 and a plurality of disk drives 200 are connected to a disk controller 300 .

[0031] The disk controller 300 includes a plurality of channel control units 310 , a plurality of disk control units 320 , a plurality of internal switching units 330 , a plurality of processor units 340 , a plurality of cache memory units 350 , and a plurality of shared memory units 360 . Each of these units is connected to a service processor (SVP) 380 through a management network 370 .

[0032] The channel c...

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PUM

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Abstract

The invention provides a storage system partitioned into logical partitions. The storage system includes: a plurality of disk drives; and a disk controller that is connected to the disk drives and reads / writes data from / into the disk drives, wherein the disk controller includes: a disk control unit that exchanges data with the disk drives; a channel control unit that exchanges data with another computer; a switch unit that is connected to the disk control unit and the channel control unit and exchanges data therewith; and a control unit that controls the disk control unit, the channel control unit, and the switch unit, and wherein the disk controller is partitioned into a plurality of logical partitions, the control unit controls the partitioning into the logical partitions, and the switch unit controls a data transmission band width of each logical partition by obtaining, for each piece of data to be exchanged, information indicating a logical partition to which the data belongs, and arbitrating data transmission for the logical partition.

Description

technical field [0001] The invention relates to a storage system, in particular to a logic partition storage system. Background technique [0002] In order to reduce the cost of storage system management, there is a storage consolidation technology that integrates multiple storage systems into a single large-scale storage system. [0003] This storage integration has the following problems in commercial operation. [0004] Even after storage consolidation is performed, although a storage system is accessed in various forms by a host computer, and the processing capacity required by the storage system varies based on the access form used, it is required that business operations be as smooth as before the consolidation. For example, when a storage system is used as a database, it needs a capacity that can handle a large number of requests. Also, when a storage system is used to back up data accumulated day by day, processing capacity for large-scale data is required. [000...

Claims

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Application Information

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IPC IPC(8): G06F13/00G06F12/00
CPCG06F3/0605G06F3/0631G06F3/0658G06F3/0683
Inventor 中村崇仁藤林昭
Owner HITACHI LTD