CN106126122A - A kind of cloud host disk I/O instruction dispatching method based on QOS and system - Google Patents
A kind of cloud host disk I/O instruction dispatching method based on QOS and system Download PDFInfo
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- CN106126122A CN106126122A CN201610474669.3A CN201610474669A CN106126122A CN 106126122 A CN106126122 A CN 106126122A CN 201610474669 A CN201610474669 A CN 201610474669A CN 106126122 A CN106126122 A CN 106126122A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/061—Improving I/O performance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/062—Securing storage systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0662—Virtualisation aspects
- G06F3/0664—Virtualisation aspects at device level, e.g. emulation of a storage device or system
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0674—Disk device
- G06F3/0676—Magnetic disk device
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- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention discloses a kind of cloud host disk I/O instruction dispatching method based on QOS and system, method includes: receives the I/O Request of virtual disk, and is reassembled as physical disk block I/O Request by virtualization program；Physical disk block I/O Request put into according to its QOS rank in the disk I/O queue of correspondence and perform.System includes: request recomposition unit and request performance element.It is scheduling performing by the present invention by the QOS rank according to physical disk block I/O Request, thus ensured the QOS service quality of cloud host disk resource, ensure the performing smoothly of physical disk block I/O Request of high QOS rank, effectively prevent cloud host computer system generation snowslide phenomenon.The composite can be widely applied in cloud host disk technology.
Description
Technical field
The present invention relates to cloud host disk dispatching technique, particularly relate to a kind of cloud host disk I/O instruction based on QOS and adjust
Degree method and system.
Background technology
Cloud main frame is to incorporate calculating, storage and the IT infrastructure ability rental service of Internet resources, be provided that based on
The on-demand use of cloud computing mode and the rental server service of pay-for-use ability.Client can pass through the self-service of web interface
Service platform, the server environment needed for deployment.Cloud main frame is the host leasing service of a new generation, and it incorporates high performance service
Device and the high-quality network bandwidth, efficiently solve legacy hosts and rent the shortcomings such as on the high side, service quality is uneven, can be comprehensive
Meet medium-sized and small enterprises, individual head of a station user services low cost to host leasing, highly reliable, manageable demand.
Now, while cloud main frame becomes more and more popular, so the quality of its service seems more and more important.But
In existing cloud host computer system, the disk of each cloud main frame is scheduling, now generally according to common disk I/O dispatching algorithm
The most wherein application QOS(quality of service guarantee) ability and concept.
Summary of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide a kind of energy effective guarantee cloud host disk resource
A kind of cloud host disk I/O instruction dispatching method based on QOS and system.
The technical solution used in the present invention is:
A kind of cloud host disk I/O instruction dispatching method based on QOS, comprises the following steps:
Receive the I/O Request of virtual disk, and be reassembled as physical disk block I/O Request by virtualization program；
Physical disk block I/O Request put into according to its QOS rank in the disk I/O queue of correspondence and perform.
As the further improvement of described a kind of based on QOS cloud host disk I/O instruction dispatching method, described by thing
Reason disk block I/O Request is put into the disk I/O queue of correspondence according to its QOS rank and performs, and it specifically includes:
The QOS mark of the QOS rank with virtual disk belonging to it is added in physical disk block I/O Request；
Physical disk block I/O Request is ranked up and puts by QOS rank and disk scheduling according to physical disk block I/O Request
Enter and perform to corresponding disk I/O queue.
As the further improvement of described a kind of based on QOS cloud host disk I/O instruction dispatching method, described basis
Physical disk block I/O Request is ranked up and puts into correspondence by QOS rank and the disk scheduling of physical disk block I/O Request
Disk I/O queue so that execution, itself particularly as follows:
Physical disk block I/O Request is ranked up by QOS rank and disk scheduling according to physical disk block I/O Request, and
From high to low physical disk block I/O Request is put into corresponding magnetic according to the QOS rank of physical disk block I/O Request in order
Dish IO queue performs.
As the further improvement of described a kind of based on QOS cloud host disk I/O instruction dispatching method, described basis
Physical disk block I/O Request is ranked up and puts into correspondence by QOS rank and the disk scheduling of physical disk block I/O Request
Disk I/O queue so that execution, itself particularly as follows:
Physical disk block I/O Request is ranked up by QOS rank and disk scheduling according to physical disk block I/O Request, and
According to default QOS rank ratio physical disk block I/O Request put into and perform to corresponding disk I/O queue.
Of the present invention another solution is that
A kind of cloud host disk I/O instruction dispatching patcher based on QOS, including:
Request recomposition unit, for receiving the I/O Request of virtual disk, and is reassembled as physical disk by virtualization program
Block I/O Request；
Request performance element, in the disk I/O queue that physical disk block I/O Request is put into according to its QOS rank correspondence also
Perform.
As the further improvement of described a kind of based on QOS cloud host disk I/O instruction dispatching patcher, described request
Performance element includes:
Mark adding device, for adding the QOS of the QOS rank with virtual disk belonging to it in physical disk block I/O Request
Mark；
Request sequencing unit, is used for the QOS rank according to physical disk block I/O Request and disk scheduling to physical disk block
I/O Request is ranked up and puts into and performs to corresponding disk I/O queue.
As the further improvement of described a kind of based on QOS cloud host disk I/O instruction dispatching patcher, described request
Sequencing unit, itself particularly as follows:
Physical disk block I/O Request is ranked up by QOS rank and disk scheduling according to physical disk block I/O Request, and
From high to low physical disk block I/O Request is put into corresponding magnetic according to the QOS rank of physical disk block I/O Request in order
Dish IO queue performs.
As the further improvement of described a kind of based on QOS cloud host disk I/O instruction dispatching patcher, described request
Sequencing unit, itself particularly as follows:
Physical disk block I/O Request is ranked up by QOS rank and disk scheduling according to physical disk block I/O Request, and
According to default QOS rank ratio physical disk block I/O Request put into and perform to corresponding disk I/O queue.
The invention has the beneficial effects as follows:
A kind of cloud host disk I/O instruction dispatching method based on QOS of the present invention and system are by according to physical disk block I/O Request
QOS rank be scheduling performing to it, thus ensured the QOS service quality of cloud host disk resource, ensured high QOS level
Performing smoothly of other physical disk block I/O Request, effectively prevents cloud host computer system generation snowslide phenomenon.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further:
Fig. 1 is the flow chart of steps of a kind of cloud host disk I/O instruction dispatching method based on QOS of the present invention；
Fig. 2 is the flow chart of steps asking sequence in a kind of cloud host disk I/O instruction dispatching method based on QOS of the present invention；
Fig. 3 is the block diagram of a kind of cloud host disk I/O instruction dispatching patcher based on QOS of the present invention.
Detailed description of the invention
With reference to Fig. 1, a kind of cloud host disk I/O instruction dispatching method based on QOS of the present invention, comprise the following steps:
Receive the I/O Request of virtual disk, and be reassembled as physical disk block I/O Request by virtualization program；
Physical disk block I/O Request put into according to its QOS rank in the disk I/O queue of correspondence and perform.
With reference to Fig. 2, be further used as preferred embodiment, described by physical disk block I/O Request according to its QOS rank
Putting into the disk I/O queue of correspondence and perform, it specifically includes:
The QOS mark of the QOS rank with virtual disk belonging to it is added in physical disk block I/O Request；
Physical disk block I/O Request is ranked up and puts by QOS rank and disk scheduling according to physical disk block I/O Request
Enter and perform to corresponding disk I/O queue.
It is further used as preferred embodiment, the described QOS rank according to physical disk block I/O Request and disk scheduling
Physical disk block I/O Request is ranked up and puts into corresponding disk I/O queue and then execution by algorithm, itself particularly as follows:
Physical disk block I/O Request is ranked up by QOS rank and disk scheduling according to physical disk block I/O Request, and
From high to low physical disk block I/O Request is put into corresponding magnetic according to the QOS rank of physical disk block I/O Request in order
Dish IO queue performs.
It is further used as preferred embodiment, the described QOS rank according to physical disk block I/O Request and disk scheduling
Physical disk block I/O Request is ranked up and puts into corresponding disk I/O queue and then execution by algorithm, itself particularly as follows:
Physical disk block I/O Request is ranked up by QOS rank and disk scheduling according to physical disk block I/O Request, and
According to default QOS rank ratio physical disk block I/O Request put into and perform to corresponding disk I/O queue.
In the embodiment of the present invention 1, receive the I/O Request of virtual disk, and be reassembled as physics magnetic by virtualization program
Dish block I/O Request, then adds the QOS mark of the QOS rank with virtual disk belonging to it in physical disk block I/O Request,
Physical disk block I/O Request is ranked up by QOS rank and disk scheduling according to physical disk block I/O Request, and according to
Physical disk block I/O Request is put into the most step by step to corresponding magnetic by order according to the QOS rank of physical disk block I/O Request
Dish IO queue performs.
In the embodiment of the present invention 2, receive the I/O Request of virtual disk, and be reassembled as physics magnetic by virtualization program
Dish block I/O Request, then adds the QOS mark of the QOS rank with virtual disk belonging to it in physical disk block I/O Request,
Physical disk block I/O Request is ranked up by QOS rank and disk scheduling according to physical disk block I/O Request, and according to
Physical disk block I/O Request is put into and is performed to corresponding disk I/O queue by the QOS rank ratio preset.
Reference Fig. 3, a kind of cloud host disk I/O instruction dispatching patcher based on QOS of the present invention, including:
Request recomposition unit, for receiving the I/O Request of virtual disk, and is reassembled as physical disk by virtualization program
Block I/O Request；
Request performance element, in the disk I/O queue that physical disk block I/O Request is put into according to its QOS rank correspondence also
Perform.
Being further used as preferred embodiment, described request performance element includes:
Mark adding device, for adding the QOS of the QOS rank with virtual disk belonging to it in physical disk block I/O Request
Mark；
Request sequencing unit, is used for the QOS rank according to physical disk block I/O Request and disk scheduling to physical disk block
I/O Request is ranked up and puts into and performs to corresponding disk I/O queue.
Be further used as preferred embodiment, described request sequencing unit, itself particularly as follows:
Physical disk block I/O Request is ranked up by QOS rank and disk scheduling according to physical disk block I/O Request, and
From high to low physical disk block I/O Request is put into corresponding magnetic according to the QOS rank of physical disk block I/O Request in order
Dish IO queue performs.
Be further used as preferred embodiment, described request sequencing unit, itself particularly as follows:
Physical disk block I/O Request is ranked up by QOS rank and disk scheduling according to physical disk block I/O Request, and
According to default QOS rank ratio physical disk block I/O Request put into and perform to corresponding disk I/O queue.
From the foregoing it can be that a kind of cloud host disk I/O instruction dispatching method based on QOS of the present invention and system are passed through
It is scheduling performing by the QOS rank according to physical disk block I/O Request, thus has ensured the QOS clothes of cloud host disk resource
Business quality, has ensured the performing smoothly of physical disk block I/O Request of high QOS rank, has effectively prevented cloud host computer system from avenging
Disintegration phenomenon.
It is above the preferably enforcement of the present invention is illustrated, but the invention is not limited to described enforcement
Example, those of ordinary skill in the art also can make all equivalent variations on the premise of spirit of the present invention or replace
Changing, deformation or the replacement of these equivalents are all contained in the application claim limited range.
Claims (8)
1. a cloud host disk I/O instruction dispatching method based on QOS, it is characterised in that comprise the following steps:
Receive the I/O Request of virtual disk, and be reassembled as physical disk block I/O Request by virtualization program；
Physical disk block I/O Request put into according to its QOS rank in the disk I/O queue of correspondence and perform.
A kind of cloud host disk I/O instruction dispatching method based on QOS the most according to claim 1, it is characterised in that: institute
Stating and according to its QOS rank, physical disk block I/O Request is put into the disk I/O queue of correspondence and performs, it specifically includes:
The QOS mark of the QOS rank with virtual disk belonging to it is added in physical disk block I/O Request；
Physical disk block I/O Request is ranked up and puts by QOS rank and disk scheduling according to physical disk block I/O Request
Enter and perform to corresponding disk I/O queue.
A kind of cloud host disk I/O instruction dispatching method based on QOS the most according to claim 2, it is characterised in that: institute
State the QOS rank according to physical disk block I/O Request and disk scheduling physical disk block I/O Request is ranked up and is put into
To corresponding disk I/O queue and then execution, itself particularly as follows:
Physical disk block I/O Request is ranked up by QOS rank and disk scheduling according to physical disk block I/O Request, and
From high to low physical disk block I/O Request is put into corresponding magnetic according to the QOS rank of physical disk block I/O Request in order
Dish IO queue performs.
A kind of cloud host disk I/O instruction dispatching method based on QOS the most according to claim 2, it is characterised in that: institute
State the QOS rank according to physical disk block I/O Request and disk scheduling physical disk block I/O Request is ranked up and is put into
To corresponding disk I/O queue and then execution, itself particularly as follows:
Physical disk block I/O Request is ranked up by QOS rank and disk scheduling according to physical disk block I/O Request, and
According to default QOS rank ratio physical disk block I/O Request put into and perform to corresponding disk I/O queue.
5. a cloud host disk I/O instruction dispatching patcher based on QOS, it is characterised in that including:
Request recomposition unit, for receiving the I/O Request of virtual disk, and is reassembled as physical disk by virtualization program
Block I/O Request；
Request performance element, in the disk I/O queue that physical disk block I/O Request is put into according to its QOS rank correspondence also
Perform.
A kind of cloud host disk I/O instruction dispatching patcher based on QOS the most according to claim 5, it is characterised in that: institute
State request performance element to include:
Mark adding device, for adding the QOS of the QOS rank with virtual disk belonging to it in physical disk block I/O Request
Mark；
Request sequencing unit, is used for the QOS rank according to physical disk block I/O Request and disk scheduling to physical disk block
I/O Request is ranked up and puts into and performs to corresponding disk I/O queue.
A kind of cloud host disk I/O instruction dispatching patcher based on QOS the most according to claim 6, it is characterised in that: institute
State request sequencing unit, itself particularly as follows:
Physical disk block I/O Request is ranked up by QOS rank and disk scheduling according to physical disk block I/O Request, and
From high to low physical disk block I/O Request is put into corresponding magnetic according to the QOS rank of physical disk block I/O Request in order
Dish IO queue performs.
A kind of cloud host disk I/O instruction dispatching patcher based on QOS the most according to claim 6, it is characterised in that: institute
State request sequencing unit, itself particularly as follows:
Physical disk block I/O Request is ranked up by QOS rank and disk scheduling according to physical disk block I/O Request, and
According to default QOS rank ratio physical disk block I/O Request put into and perform to corresponding disk I/O queue.
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| CN201610474669.3A CN106126122A (en) | 2016-06-22 | 2016-06-22 | A kind of cloud host disk I/O instruction dispatching method based on QOS and system |
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| CN201610474669.3A CN106126122A (en) | 2016-06-22 | 2016-06-22 | A kind of cloud host disk I/O instruction dispatching method based on QOS and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112506431A (en) * | 2020-12-03 | 2021-03-16 | 无锡众星微系统技术有限公司 | I/O instruction scheduling method and device based on disk device attributes |
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| CN104009871A (en) * | 2014-06-06 | 2014-08-27 | 中国科学院声学研究所 | SDN controller implementation method and SDN controller |
| US9201778B2 (en) * | 2005-08-25 | 2015-12-01 | Lattice Semiconductor Corporation | Smart scalable storage switch architecture |
| CN105407059A (en) * | 2015-10-21 | 2016-03-16 | 浪潮(北京)电子信息产业有限公司 | QoS scheduler and scheduling method for SCSI target device |
-
2016
- 2016-06-22 CN CN201610474669.3A patent/CN106126122A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9201778B2 (en) * | 2005-08-25 | 2015-12-01 | Lattice Semiconductor Corporation | Smart scalable storage switch architecture |
| CN104009871A (en) * | 2014-06-06 | 2014-08-27 | 中国科学院声学研究所 | SDN controller implementation method and SDN controller |
| CN105407059A (en) * | 2015-10-21 | 2016-03-16 | 浪潮(北京)电子信息产业有限公司 | QoS scheduler and scheduling method for SCSI target device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112506431A (en) * | 2020-12-03 | 2021-03-16 | 无锡众星微系统技术有限公司 | I/O instruction scheduling method and device based on disk device attributes |
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Application publication date: 20161116 |