Invention Grant
US08463990B2 Method and apparatus to perform automated page-based tier management of storing data in tiered storage using pool groups
有权
使用池组执行在分层存储中存储数据的基于页面的层级管理的方法和装置
- Patent Title: Method and apparatus to perform automated page-based tier management of storing data in tiered storage using pool groups
- Patent Title (中): 使用池组执行在分层存储中存储数据的基于页面的层级管理的方法和装置
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Application No.: US12794865Application Date: 2010-06-07
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Publication No.: US08463990B2Publication Date: 2013-06-11
- Inventor: Hiroshi Arakawa
- Applicant: Hiroshi Arakawa
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Mattingly & Malur, PC
- Main IPC: G06F12/00
- IPC: G06F12/00
Abstract:
A storage controller performs: evaluating the pool groups based on a preset rule in order to determine an evaluation result for each pool group; using the evaluation results among the pool groups to determine which pool group is to be selected for performing allocation against portions of the one storage volume in response to receiving an instruction for rearrangement of data in the tiered storage, the instruction including a requirement to be satisfied in selecting a plurality of tiers within a pool group based on access characteristics for performing allocation against portions of the one storage volume, analyzing the pool groups according to the requirement to determine whether any of the pool groups is appropriate to possess the one storage volume for storing the data; and selecting the tiers within the pool group based on the access characteristics.
Public/Granted literature
- US20110302386A1 METHOD AND APPARATUS TO MANAGE SPECIAL REARRANGEMENT IN AUTOMATED TIER MANAGEMENT Public/Granted day:2011-12-08
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