Disk i/o dispatcher under server virtual environment and dispatching method thereof

A virtual environment and scheduling method technology, applied in the input/output process of data processing, instruments, software simulation/interpretation/simulation, etc., can solve the problem of not being able to provide virtual system I/O scheduling solutions, etc.
CN101458635AInactive Publication Date: 2009-06-17ELECTRONICS & TELECOMM RES INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ELECTRONICS & TELECOMM RES INST
Publication Date
2009-06-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a magnetic disk I / O dispatcher for server virtual environment and dispatching method thereof. The block I / O resource is proportionally allocated to each virtual system in the server virtual environment and the allocated I / O resource in the virtual system is rigorously isolated, therefore the performance of the virtual system is ensured and the effective utilization of the limited resource is provided. The magnetic disk I / O dispatcher comprises: a plurality of queues for I / O request, an I / O request increasing unit and an I / O request extracting unit. The I / O request increasing unit increases the I / O request of each system to the corresponding queue. The I / O request extracting unit extracts the I / O request from the queen.
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Description

technical field

[0001] The present disclosure relates to a disk (disk) input / output (I / O) scheduler of a server virtual environment and a scheduling method thereof, and more particularly, relates to performing generation, deletion and management of queues of each virtual system and according to the service priority of the virtual system The disk I / O scheduler and its scheduling method for allocating resources in proportion provide effective utilization of limited disk I / O resources while also ensuring the minimum performance of the virtual system. Background technique

[0002] Since multiple virtual systems work on a single physical system in a server virtualization environment, various schemes have been proposed to allocate / reallocate limited resources to virtual systems.

[0003] However, the traditional server virtualization environment cannot support I / O scheduling based on virtual system units, and treats the input / output of the virtual system as the input / output of a s...

Claims

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