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Metadata management method for splitting name space

A name space and management method technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of affecting system scalability and increasing the number of system communication messages

Active Publication Date: 2008-06-11
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This metadata management method is convenient for maintaining the consistency of metadata, but using distributed locks to control access will increase the number of system communication messages, which will not only affect system scalability but also cannot avoid access hotspots

Method used

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  • Metadata management method for splitting name space

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Embodiment Construction

[0108] In order to make the purpose, technical solution and advantages of the present invention clearer, a metadata management method for splitting namespaces of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0109]A metadata management method for splitting namespaces of the present invention, as shown in Figure 1, is to split the directory into multiple parts by splitting the namespace and distribute them to all metadata servers (MetadataServer, referred to as MDS) On each MDS there is a subdirectory (sub_dir). The contents of directory entries stored in different sub_dirs are different, and the offset of stored directory entries increases from small to large according to the serial number of sub_dir. Each directory takes the part whose sub_dir...

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Abstract

The invention discloses a metadata managing method for splitting name space, which comprises the following steps: establishing document system; managing the established document system. Wherein, management of established document system also comprises that client establishes catalogues; client establishes documents; client executes query operation; client executes readable catalogues operation; client deletes documents; client deletes catalogues; client executes relief operation; client executes rename operation; client establishes hard links; client establishes soft links. The invention can avoid the access focus of the same catalogue while improving extensibility of metabase server.

Description

technical field [0001] The invention relates to the field of storage system architecture, in particular to a metadata management method for splitting namespaces. Background technique [0002] With the continuous advancement of the world's informatization, computers have become an indispensable tool in various industries. The storage management software that carries the information in the computer is being paid more and more attention by people with the sudden increase of the amount of information. [0003] The function of storage management software is to organize physical storage media (such as disks, disk arrays) into logical groups to achieve various functions and features. The operating system provides storage services for upper-layer users by calling the interface of the storage management software. [0004] There are two types of data processed in the storage system, one is data used by users, and the other is metadata used by the storage system to manage user data. ...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 刑晶唐荣锋熊劲马捷
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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