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Storage Pool Capacity Management

A technology of storage pool and capacity, applied in the direction of electrical digital data processing, input/output process of data processing, instruments, etc.

Active Publication Date: 2019-03-19
INT BUSINESS MASCH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Reading data from compressed or thinned volumes introduces I / O latency

Method used

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  • Storage Pool Capacity Management
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Embodiment Construction

[0018] It will be readily understood that the components of the present invention, as generally described and illustrated in the drawings herein, may be arranged and designed in a wide variety of different configurations. Accordingly, the following detailed description of embodiments of the apparatus, systems and methods of the present invention as presented in the accompanying drawings is not intended to limit the scope of the claimed invention but is merely representative of selected embodiments of the invention.

[0019] Reference throughout this specification to "selected embodiment," "one embodiment," or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention . Thus, appearances of the phrases "selected embodiments," "in one embodiment," or "in an embodiment" in various places throughout this specification are not necessarily referring to the same embo...

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Abstract

Embodiments relate to a pool of persistent storage volumes. Capacity of the volumes is managed to ensure continued operation and function of the volumes with respect to their corresponding storage pool capacity threshold(s). A background process groups the volumes within each pool into one or more clusters based on a similarity or commonality characteristic. The background process selectively performs one or more space savings techniques of a copy of a selected volume, measures impact data associated with the techniques, and maintains the data. At such time as the threshold level is approached for a storage pool, one or more space reduction actions take place on constituent volumes in view of the background process and the associated groups. The reduction action includes implementation of a space saving technique, such as compression and / or thinning, of one or more volumes in one or more clusters in an associated storage pool.

Description

technical field [0001] The present invention relates to persistent storage capacity management. More specifically, the present invention relates to one or more processes for space saving impact analysis and evaluation and for execution of space saving techniques. Background technique [0002] Compression and thin provisioning are techniques used in data centers to reduce storage capacity usage (also known as storage footprint), thereby making more storage available. Storage administrators can specify whether storage volumes are compressed, thick, or thin (thin), and each management policy is used not only at initial provisioning time, but also during the steady-state lifecycle. However, reducing storage capacity using any of the above techniques may have a negative impact on application performance. For example, reading from a compressed storage volume requires that the volume be subjected to decompression techniques that require additional processing. Also, reading from ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06
CPCG06F3/0608G06F3/0631G06F3/0641G06F3/0644G06F3/067G06F3/0685
Inventor G·爱勒托里H·H·路德维格N·S·曼德格里宋旸
Owner INT BUSINESS MASCH CORP
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