CN103473064A - Method for monitoring use conditions of magnetic disk of virtual machine in host machine - Google Patents
Method for monitoring use conditions of magnetic disk of virtual machine in host machine Download PDFInfo
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- CN103473064A CN103473064A CN2013104302063A CN201310430206A CN103473064A CN 103473064 A CN103473064 A CN 103473064A CN 2013104302063 A CN2013104302063 A CN 2013104302063A CN 201310430206 A CN201310430206 A CN 201310430206A CN 103473064 A CN103473064 A CN 103473064A
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Abstract
The invention relates to the technical field of cloud computation and particularly relates to a method for monitoring use conditions of a magnetic disk of a virtual machine in a host machine. The method comprises the following steps: mounting a mirror image document of the virtual machine on the host machine in a read-only manner; then checking the use conditions of the mirror image magnetic disk of the virtual machine in a manner of executing df-h so as to conveniently and uniformly monitor and manage resources of the virtual machine. According to the method provided by the invention, the use conditions of the magnetic disk of the virtual machine are monitored on the host machine; the method can be used for monitoring the use conditions of the magnetic disk of the virtual machine.
Description
Technical field
The present invention relates to the cloud computing technology field, particularly a kind of method of monitoring virtual machine disk behaviour in service in host.
Background technology
In the cloud computing field, operating system and application program operate on virtual machine; Facing several operation systems and numerous application software, and between the two when freely arranging in pairs or groups to provide the application scenarios of service; Need the virtual machine quantity created to get more and more.Therefore, particularly the disk service condition is very large to the normal influence on system operation of operating system and application program for resources of virtual machine.But, aspect monitoring virtual machine disk service condition, there is at present following problem:
The one, virtual machine image is changeable, causes monitoring virtual machine dumb; Current virtual machine operation comes from virtual machine image, virtual machine image expansion at present is dumb, when increasing an application software, may need so again to make the virtual machine image be complementary with operating system or application software quantity, also bring the monitoring of virtual machine not convenient simultaneously.
The 2nd, increase cost, the monitoring resources of virtual machine needs corresponding exploitation monitoring tools or software to be monitored, and increases the technology input cost of company; Because virtual machine quantity is more, to the monitoring of every virtual machine, the monitoring software of customization need to be installed to virtual machine, this monitoring software needs the input cost exploitation.
The 3rd, to virtual machine monitoring process complexity, when the virtual machine disk is monitored, often need manually to log in virtual machine, after logging in virtual machine, manually use the related command mode to monitor the disk service condition of virtual machine, along with the increase of virtual machine quantity, every virtual machine all needs manually to log in and monitored, when increasing workload, often attend to one thing and lose sight of another, fail the resource situations such as convenient and swift effective monitoring virtual machine disk.
In order to promote the monitoring efficiency to virtual machine disk service condition, facilitate the disk service condition of monitoring efficiently and effectively virtual machine on host, need a kind of method in host's in-flight monitoring virtual machine disk service condition, in numerous virtual machine operational processs, only need on host, just can accurately monitor in real time the disk service condition of virtual machine.
Summary of the invention
The technical matters that the present invention solves is to propose a kind of method of monitoring virtual machine disk behaviour in service in host; Can on host, accurately monitor in real time the disk service condition of virtual machine.
The technical scheme that the present invention solves the problems of the technologies described above is:
Comprise the steps:
Step 1: the virtual kernel of xen is installed on the linux host;
Step 2: make the virtual machine image of preparing a vhd form on host;
Step 3: by a configuration file, use the order of xen kernel to start the virtual machine image of making;
Step 4: after starting virtual machine image, carry out the xen related command, get the device number of virtual machine image correspondence on host;
Step 5: virtual machine image, in read-only mode, is mounted on host equipment, supplies to check by the associated available directories of equipment;
Step 6: after the carry success, carry out the size cases that df – h checks associated catalogue on host, be the mirrored disk behaviour in service of virtual machine.
Described virtual machine image is mounted to the list mode as host on host and exists, and can enter catalogue and check the associated documents in mirror image, be i.e. the disc content file.
Described host is physical server, is generally linux operating system main frame, supports as each operating system versions such as centos5.5, needs to install the virtual support of xen kernel.
Described virtual machine image is supported the several operation systems such as windows series or linux series operating system, and the image file size is without specific (special) requirements, and virtual machine image can be normally by the control operations such as startup, operation on host operation.
The present invention passes through the virtual machine image carry on host; Realized accurately monitoring in real time the disk service condition of virtual machine on host; Effectively avoided existing existing method for supervising virtual machine image numerous, need monitoring software, and problems such as monitor procedure complexity.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described:
Accompanying drawing is the inventive method process flow diagram.
Embodiment
Please refer to accompanying drawing, the basic procedure that the present invention sends out is as follows:
1, at first linux series is installed on host as centos5.5 version operating system, then carries out following Installing of Command xen kernel:
#yum install centos-release-xen -y
#yum install xen -y
After the xen kernel is installed, remember to revise following xen configuration file:
#vi/etc/xen/xend-config.sxp
Find following parameter that " # " annotation in front is removed, revise parameter as follows:
(xend-http-server yes)
(xend-unix-server yes)
(xend-tcp-xmlrpc-server yes)
(xend-relocation-server no)
(xend-udev-event-server yes)
(xend-unix-path/var/lib/xend/xend-socket)
(xend-port 8000)
(xend-relocation-port8002)
(xend-address'')
(xend-address localhost)
(xend-relocation-address'')
Then restart the xen service:
#/etc/init.d/xend restart
Finally restart physical machine.
2, after host is restarted, prepare the virtual machine image of a vhd form, deposit associative directory as/instances catalogue, and define a configuration file libvirt.xml, libvirt.xml is defined as follows:
Carry out following order and create virtual machine by this mirror image:
#virsh create libvirt.xml
After virtual machine activation, carry out the xenstore-ls order, according to Output rusults, find corresponding virtual machine corresponding instance path:
#xenstore-ls
// output is as follows:
tapdisk-params="tapdisk:vhd:/instances/win2003.vhd"
Illustrate :/instances/win2003.vhd corresponds to the path of virtual machine image.
3, current virtual machine, in operational process, in read-only mode, is mounted to virtual machine image on host equipment, by the associated available directories of equipment, supply to check, as :/mnt catalogue.
1) on host, below execution, order be mounted to/dev/xvdk of virtual machine read-only mode equipment:
#xm block-attach0tap2:tapdisk:vhd:/instances/win2003.vhd /dev/xvdk r0
2) under arrive/mnt catalogue of general/dev/xvdk equipment mount, order below carrying out:
#mount-t ntfs-3g-o ro/dev/xvdk1/mnt
Illustrate: ntfs-3g is the disk file type, and windows operating system is ntfs-3g, and linux operating system is ext3 or ext4 file layout.
4, after successful to host/mnt catalogue with read-only mode carry disk, carry out the size cases that df – h checks associated catalogue on host, be the mirrored disk service condition of virtual machine.
Carry out check/mnt of df-h directory size situation in host:
#df -h
// output content is as follows:
/dev/xvdk1 40G 5.7G 35G 15%/mnt
Log in the virtual machine disk size that virtual machine checks that virtual machine disk service condition and host monitor basically identical.
5, enter host/mnt catalogue, find the related system file under the virtual machine disk:
#cd/mnt
#ls
// output file is as follows:
By check/mnt of df – h directory size, and enter/mnt catalogue checks the system file under catalogue, can not need to log in virtual machine, the situation that unified monitoring is used to the disk of virtual machine on host; Minimizing is because virtual machine quantity increases the workload of bringing; The service condition of convenient and swift Real-Time Monitoring virtual machine disk simultaneously, for resources of virtual machine monitoring alarm etc. is carried out relevant prevention and emergent the preparation.
Claims (5)
1. the method for a monitoring virtual machine disk behaviour in service in host is characterized in that:
Comprise the steps:
Step 1: the virtual kernel of xen is installed on the linux host;
Step 2: make the virtual machine image of preparing a vhd form on host;
Step 3: by a configuration file, use the order of xen kernel to start the virtual machine image of making;
Step 4: after starting virtual machine image, carry out the xen related command, get the device number of virtual machine image correspondence on host;
Step 5: virtual machine image, in read-only mode, is mounted on host equipment, supplies to check by the associated available directories of equipment;
Step 6: after the carry success, carry out the size cases that df – h checks associated catalogue on host, be the mirrored disk behaviour in service of virtual machine.
2. the method for disk behaviour in service according to claim 1, it is characterized in that: described virtual machine image is mounted to the list mode as host on host and exists, can enter catalogue and check the associated documents in mirror image, be i.e. the disc content file.
3. the method for disk behaviour in service according to claim 1, it is characterized in that: described host is physical server, is generally linux operating system main frame, supports as each operating system versions such as centos5.5, needs the virtual support of installation xen kernel.
4. the method for disk behaviour in service according to claim 2, it is characterized in that: described host is physical server, is generally linux operating system main frame, supports as each operating system versions such as centos5.5, needs the virtual support of installation xen kernel.
5. according to the method for the described disk behaviour in service of claim 1 to 4 any one, it is characterized in that: described virtual machine image is supported the several operation systems such as windows series or linux series operating system, the image file size is without specific (special) requirements, and virtual machine image can be normally by the control operations such as startup, operation on host operation.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103810422A (en) * | 2014-02-20 | 2014-05-21 | 东莞中国科学院云计算产业技术创新与育成中心 | Safety virtualization isolation method based on mirror image intelligent management |
| CN104199683A (en) * | 2014-08-07 | 2014-12-10 | 杭州华三通信技术有限公司 | ISO mirror image document loading method and device |
| CN104503821A (en) * | 2014-12-11 | 2015-04-08 | 国云科技股份有限公司 | Method for calculating virtual disc IO (input/output) speed |
| CN105260217A (en) * | 2015-11-03 | 2016-01-20 | 国云科技股份有限公司 | Method of password external reset of linux virtual machine |
| CN105573819A (en) * | 2015-12-11 | 2016-05-11 | 国云科技股份有限公司 | Method for obtaining disk capacity information of virtual machine directly through host machine |
| CN107463427A (en) * | 2017-06-29 | 2017-12-12 | 北京北信源软件股份有限公司 | The acquisition methods and device of a kind of VME operating system type and version |
| CN112000436A (en) * | 2020-08-21 | 2020-11-27 | 北京浪潮数据技术有限公司 | Virtual machine disk information acquisition method and device and related equipment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103810422A (en) * | 2014-02-20 | 2014-05-21 | 东莞中国科学院云计算产业技术创新与育成中心 | Safety virtualization isolation method based on mirror image intelligent management |
| CN103810422B (en) * | 2014-02-20 | 2017-05-17 | 东莞中国科学院云计算产业技术创新与育成中心 | Safety virtualization isolation method based on mirror image intelligent management |
| CN104199683A (en) * | 2014-08-07 | 2014-12-10 | 杭州华三通信技术有限公司 | ISO mirror image document loading method and device |
| CN104199683B (en) * | 2014-08-07 | 2017-10-17 | 新华三技术有限公司 | A kind of ISO image files loading method and equipment |
| CN104503821A (en) * | 2014-12-11 | 2015-04-08 | 国云科技股份有限公司 | Method for calculating virtual disc IO (input/output) speed |
| CN105260217A (en) * | 2015-11-03 | 2016-01-20 | 国云科技股份有限公司 | Method of password external reset of linux virtual machine |
| CN105573819A (en) * | 2015-12-11 | 2016-05-11 | 国云科技股份有限公司 | Method for obtaining disk capacity information of virtual machine directly through host machine |
| CN107463427A (en) * | 2017-06-29 | 2017-12-12 | 北京北信源软件股份有限公司 | The acquisition methods and device of a kind of VME operating system type and version |
| CN112000436A (en) * | 2020-08-21 | 2020-11-27 | 北京浪潮数据技术有限公司 | Virtual machine disk information acquisition method and device and related equipment |
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Application publication date: 20131225 |