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Method, system and computer program product for managing the placement of storage data in a multi tier virtualized storage infrastructure

A virtual storage and virtualization technology, applied in the field of data processing, can solve problems such as mixed workload uneconomical solutions, and achieve the effect of reducing the amount of rearrangement of hierarchical actions

Inactive Publication Date: 2012-02-01
IBM CORP
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AI Technical Summary

Problems solved by technology

This approach may result in an uneconomical solution for mixed workloads that include multiple applications consisting of high-demand applications and low-demand applications

Method used

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  • Method, system and computer program product for managing the placement of storage data in a multi tier virtualized storage infrastructure
  • Method, system and computer program product for managing the placement of storage data in a multi tier virtualized storage infrastructure
  • Method, system and computer program product for managing the placement of storage data in a multi tier virtualized storage infrastructure

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Embodiment Construction

[0032] The present invention proposes the use of a virtualization engine with knowledge of both the data and the location of the data and an analyzer component for identifying situations subject to data re-leveling and recommending actual data re-leveling actions .

[0033] refer to figure 1 , shows a SAN 100 with several host application servers 102 attached. These can be of many different types, typically some number of enterprise servers, and some number of user workstations.

[0034] Also attached to the SAN (via Redundant Array of Disks (RAID)) are various levels of physical storage. In this example, there are three levels of physical memory: Tier 1, which can be, for example, such as Enterprise storage for system storage DS8000; Tier 2, which can be mid-range storage such as FC disk equipped System Storage DS5000; and Tier 3, which may be low-end storage such as a Serial Advanced Technology Attachment (SATA) drive System memory DS4700.

[0035] Typically, each MDi...

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Abstract

A storage management method for use in SAN based virtualized multi-tier storage infrastructure in a loosely defined and changing environment. Each physical storage media is assigned a tier level based on its Read I / O rate access density. The method comprises a top down method based on data collected from the virtualization engine compared to Read I / O capability and space capacity of each discrete virtual storage pool to determine whether re-tiering situations exist, a drill-in analysis algorithm based on relative Read I / O access density to identify which data workload should right-tiered among the composite workload hosted in the discrete virtual storage pool.

Description

technical field [0001] The invention relates to the field of data processing, and in particular to storage management and data arrangement optimization in a multi-level virtualized storage structure. Background technique [0002] Enterprises face major challenges caused by the rapid growth of their storage needs, the increased complexity of managing storage, and the need for high availability of storage. Storage Area Network (SAN) technology enables storage systems to be constructed separately from host computers through storage pooling, resulting in improved efficiency. [0003] Storage management technology, storage virtualization, which shields users from the complexity of physical storage, can also be used. Block virtualization (also sometimes referred to as block aggregation) provides servers with a logical view of the physical storage (such as disk drives, solid state disks, and tape drives) where data is actually stored. A logical view may include many virtual stora...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/0649G06F3/0685G06F3/0605
Inventor P.萨布罗尼尔
Owner IBM CORP
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