Multi-path management method and system

A management method and management system technology, applied in the direction of electrical digital data processing, input/output process of data processing, instruments, etc., can solve problems such as non-recommended configuration and reduced host efficiency

Inactive Publication Date: 2015-03-18
GLOBALFOUNDRIES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Multipath software will consume a lot of host resources (CPU and memory) to manage these paths, which will greatly reduce the efficiency of the host. Therefore, the current multipath software does not recommend configuring many paths for each LUN.

Method used

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  • Multi-path management method and system
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  • Multi-path management method and system

Examples

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Embodiment Construction

[0020] Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0021] Those skilled in the art know that the present invention can be implemented as a system, method or computer program product. Therefore, the present disclosure can be specifically implemented in the following forms, namely: it can be complete hardware, it can also be complete software (including firmware, resident software, microcode, etc.), and it can also be a combination of hardware and software. Called a "circuit", "module" or "sy...

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Abstract

The invention discloses a multi-path management method and system for managing paths over which an IO is routed from a host to multiple logical volumes (LUNs) of a storage system, wherein the multiple LUNs of the storage system are mapped to the host, and the method comprises: grouping LUNs with the same paths between the host and the storage system into a group of LUNs; and using one path selection thread for all of LUNs in the group of LUNs to manage the same paths. The method and system lower the amount of work for path management and the amount of required resources.

Description

technical field [0001] The present invention relates to a storage system, and more particularly relates to a multipath management method and system. Background technique [0002] The storage system consists of RAID arrays, RAID controllers, adapters, and storage management servers. The storage management server and other devices are connected through the network to manage the operation of the entire storage system. figure 1 A block diagram of the storage system is shown. A RAID (Redundant Array of Independent (or Inexpensive) Disks) array is composed of many cheaper disks combined into a large-capacity disk group, and the additive effects (additive effects) generated by using individual disks to provide data improve the entire disk system efficacy. The storage system creates different types of RAID arrays internally through the RAID controller. The storage system creates a logical volume (logical volume), also called a logical unit number (LUN), on the RAID array. The L...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F13/4022G06F3/0619G06F3/0665G06F3/0689G06F13/426G06F13/22G06F2213/0008G06F3/061G06F3/0635G06F3/067G06F3/0631
Inventor 张耀东付晓飞胡家乐石鹏余志华
Owner GLOBALFOUNDRIES INC
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