CN115002075A - Multi-machine room on-duty teaching management method under system double-IP network environment - Google Patents
Multi-machine room on-duty teaching management method under system double-IP network environment Download PDFInfo
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- CN115002075A CN115002075A CN202111683776.4A CN202111683776A CN115002075A CN 115002075 A CN115002075 A CN 115002075A CN 202111683776 A CN202111683776 A CN 202111683776A CN 115002075 A CN115002075 A CN 115002075A
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- G09B5/00—Electrically-operated educational appliances
- G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
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Abstract
The invention discloses a multi-machine room shift-combination teaching management method under a system double-IP network environment, which is characterized in that a system management program based on disk virtualization is adopted in a machine room, each computer in the machine room is configured with two IP addresses, one IP address is a bottom layer system management IP, the other IP address is an operating system application IP, the computer in the machine room is divided into a teacher machine and a student machine according to functions, and the teacher machine controls the student machines in the same machine room through the teacher end management program. The teacher machine user can directly select the computer lab at graphical interface and can use smoothly, need not to know student's machine quantity and the IP address range of every computer lab, also need not the connection permission quantity of manual setting every computer lab, divides information and parameter configuration through the computer lab of typing in advance and all provides very big convenient operation for user and administrator.
Description
Technical Field
The invention relates to a multi-machine room on-duty teaching management method under a system double-IP network environment, and belongs to the technical field of computer room experiment teaching systems.
Background
When the computer experiment teaching is developed in schools, a computer center public machine room bears computer on-board teaching tasks of local students, national defense students and researchers of all schools of texts, administration, workers and medical disciplines, the computer on-board teaching task is opened for 14 hours every day, the number of on-board teaching exceeds 4500 people every week, and when the number of teaching machines exceeds 35 ten thousand hours every school year, the computer teaching machine is the first national computer experiment teaching center in the whole country and is also a computer teaching laboratory with the highest utilization rate and the widest service area in all schools.
Because the on-computer courses are various, more than 40 kinds of application software are installed in the current operating system, so that the booting system is slow to boot, the waiting time for starting and running programs is long, and inconvenience is caused by different versions of the same software used by teachers in different courses. Meanwhile, a public machine room of the computing center also bears various competitions, training and examination uses in schools, temporary software installation and upgrading are carried out for many times in each school period, and due to the fact that the machine room is large in scale, a great deal of effort is spent on deployment in each upgrading.
Because the computer system in the computer room works in a dual-IP network environment, many installed network application software have an IP selection problem in use, and if the computer system is matched with a bottom-layer system management IP, network communication can not work. Meanwhile, after the computer room adopts a system management mode based on disk virtualization, the mode that the existing digital voice classroom software adopts a channel number communication mode to establish the connection between the teacher computer and the student computers becomes too complicated, the workload of system mirror image manufacturing can be increased, one computer room needs to be provided with one corresponding system mirror image for one channel, and the disk space is occupied, and the system management is not convenient.
In addition, the existing digital voice classroom software adopts a stand-alone authorization mode, namely, stand-alone registration is carried out on a teacher machine of each computer room, and the total number of student machines which are allowed to be connected with the computer room are bound on the teacher machine. The method solves the problem of the original single machine registration mode of binding teacher machines, but has new inconvenience in the actual use process, and before starting the teacher end management program each time, whether the set network connection permission number is accurate or not needs to be manually confirmed and is consistent with the number of student machines needing to be connected or not.
Meanwhile, with the increasing number of students on computer, the single computer room cannot accommodate all students in a class, and the mode of multi-computer room class-combination teaching is increasingly popularized, so that the possibility of changing the required network connection permission number exists when the teacher management program is used every time a class is given, which leads to the fact that whether the filled connection permission number is excessive needs to be checked and confirmed before the teacher management program is used every time, so as to avoid the condition that individual computer rooms cannot be used due to insufficient remaining available connection permission numbers.
And similarly, the computer room uses system management software based on disk virtualization and a relatively complex network topology structure, the C disk recovery function of the operating system is configured for management convenience, the number of connection permission needs to be manually configured when the teacher computer restarts the system every time, inconvenience is brought to computer room managers and teachers and students, and use experience and experience are very poor.
The problem is summarized as follows:
1. under the working environment of the double IP networks, when the digital voice classroom software works, an operating system application IP needs to be selected for communication;
2. the channel number communication mode can increase the workload of system mirror image manufacture and is upgraded to a shift connection mode of an IP address field;
3. the authorization mode of single machine registration is not applicable to the system management mode based on disk virtualization;
4. after the single machine registration is upgraded to the network server permission authorization mode, the manual setting of the permission number for each use is very inconvenient, so that the use conflict is easily caused, and the authorization number is insufficient;
5. the student machines in a plurality of rooms need to be controlled by a teacher management terminal program in one room during on-duty teaching, so that a user needs to set the number of the student machines in the controlled rooms, the use process is very complicated, and the use is inconvenient and easy to make mistakes.
Therefore, a scientific and effective management method for the computer system in the computer room is needed, the management function of the computer in the computer room is optimized, the starting time of a loading system is shortened, the upgrading and maintaining time of the computer system in the computer room is reduced, and the convenience of using a multi-computer-room on-duty teaching mode is improved.
Disclosure of Invention
The invention aims to provide a multi-machine room on-duty teaching management method under a system double-IP network environment, which automatically completes the communication connection of computers through the configuration of all computer system mirror images in a machine room, and is convenient for teachers to teach and manage across machine rooms.
In order to solve the technical problem, the machine room adopts a system management program based on disk virtualization, each computer in the machine room is configured with two IP addresses, one IP address is a bottom layer system management IP used for communicating with a system management deployment server to transmit data and commands, and the bottom layer system management IP of each computer is a fixed static address; the other IP address is an operating system application IP, each computer is configured with more than 1 operating system, the operating system application IP of each operating system is correspondingly configured with an exclusive IP, and the operating system application IP is a static address and changes along with the change of the operating system; the computer of computer lab divide into teacher's machine and student's machine according to the function, and teacher's machine installation teacher end supervisory program, student's machine installation student end supervisory program, and teacher's machine controls the student's machine in same computer lab through teacher's end supervisory program.
The installation of the teacher management program comprises the step of setting the teacher management program to adopt an IP address-based working mode; configuring a teacher-side management program to bind an operating system application IP; inputting IP address information and the number of student computers of all computer rooms; testing the control and broadcast functions after the connection with the student end management program; setting the teacher program to default to select the computer room number as null; and making a system mirror image of the teacher machine by using the system management program.
And starting the teacher machine, selecting a target machine room when using the teacher-side management program, and controlling the matched student machines.
The installation of the student management program comprises the step of setting the student management program to adopt an IP address-based working mode; testing the controlled and broadcast functions after the control and broadcast functions are connected with the teacher management program; a system image of the student machine is made using the hypervisor.
The bottom system management IP uses a static address fixed by a special private IP to bind with the MAC address of the computer; the bottom layer system management IP adopts 10.255.68-10.255.71, and is smaller than the operating system application IP.
The computer bottom layer system management IP in the machine rooms is set according to the rule that the same number of vlans are divided according to the number of the machine rooms, the bottom layer system management IP adopts C-type addresses, the physical number of a computer of each machine room is started from 001, according to the number of the computers of each machine room, if the number of the computers of the machine room is less than the number of IP addresses of half C, each machine room uses the IP address of half C, a subnet mask code is used for 255.255.255.128, the IP address of the upper half section is started from 1, and the IP address of the lower half section is started from 131; and if the number of computers in the computer room exceeds the number of IP addresses of half C, dividing according to actual conditions.
The bottom system management IP is bound with the MAC address of the computer, the configuration sequence is configured in an increasing mode according to the physical number of the computer in the computer room, the computer and the system management server communicate by adopting a PXE technology, data transmission is carried out through the bottom system management IP, and commands and transmission data are received from the system management server.
The invention has the beneficial effects that: after all computers of the computer room are restarted and mirror image software is installed, the parameter configuration of the computers of the computer room can be automatically completed, the bottom layer system management IP of each computer is a static address which is fixed and unchangeable, the communication mode with a system management deployment server cannot be changed, and the network connection stability is ensured. The operating system in the computer is divided into different operating systems according to the use requirements, such as a computer room computer system, a marking system, a Toufu examination system, a Defu examination system, a four-six-level oral English examination system, an application training system, a recruitment examination system and the like, and the different operating systems are selected during startup, so that the system automatically configures the corresponding operating system application IP, and only loads software required by the system, thereby shortening the startup time.
When a school develops computer experiment teaching, a public computer room of a computing center bears computer on-board teaching tasks of a student, a defense student and a researcher of all schools, literary, industrial and medical subjects, is opened for 14 hours every day, is the first national computer experiment teaching center in the whole country, and is also a computer teaching laboratory with the highest utilization rate and the widest service area in the whole school. Because the on-computer courses are various, more than 40 kinds of application software are installed in the current operating system, so that the booting system is slow to boot, the waiting time for starting and running programs is long, and inconvenience is caused by different versions of the same software used by teachers in different courses. Meanwhile, the machine room is used for various competitions, training and examinations in schools, temporary software installation and upgrading are carried out for many times in each school period, and because the machine room is large in scale, a great deal of effort is spent on deployment in each upgrading.
After investigation, the existing system management software based on the disk virtualization technology cannot meet the requirements of people, cannot meet the management mode of login and verification of users in the school, and cannot realize the scene requirements of different network configurations of different systems, so that the requirements and functions need to be customized on the basis of the existing commercial software, and secondary program development is carried out. The commands used by the conventional management computer room are combined with the unique unified identity authentication platform of the current school, so that seamless connection with commercial software is realized. The system customized and developed by the user can further play the role of sharing software, hardware and networks of the computer of the public machine room, can save expenditure, space use and personnel expenditure for schools, and avoids repeated investment in building machine rooms of institutions.
The new system management mode can realize that each lesson-free teacher has an independent operating system for lesson teaching, has no influence on other computer-on activities when used up, and realizes that different courses use different systems without mutual interference.
The system can realize multi-system management and rapid upgrade and recovery of a computer in a computer room, and users on computers can realize exclusive system, differentiated deployment of system software and the like.
For example: different teaching teachers independently use software with different versions and different sources, the teaching systems are independent, and account numbers are independently managed; the computer room system is configured with a class schedule function, and the display system selection menus are set to be different every day when the computer room system is started up according to the class schedule; quickly pushing and restoring system software; and the hardware equipment disables management and other functions.
When using teacher's end supervisory program on the computer lab teacher machine, the user can directly select the computer lab at graphical interface and can use smoothly, need not to know student's quick-witted quantity and the IP address range of every computer lab, also need not to set up the connection permission quantity that every computer lab needs to use by hand, divides information and parameter configuration through the computer lab of typing in advance and all provides very big convenient operation for user and administrator.
After the machine room is used for class-closing teaching, a user who goes to a class only needs to restart the computer, the C disk of the operating system of the teacher computer can be automatically restored to the state when the system is deployed for the last time, the teacher-side management program needs to reselect the target machine room, and confusion or trouble caused by the selection and the setting of the previous user to the user at the back can be avoided.
Drawings
FIG. 1 is a schematic diagram of the IP address setting of a computer room according to the present invention;
FIG. 2 is a flow chart of installation of the teacher end and student end programs in accordance with the present invention;
FIG. 3 is a reference diagram of the underlying system management IP setup rules of the present invention;
FIG. 4 is a diagram of the operating system application IP configuration and the corresponding relationship with the underlying system management IP;
FIG. 5 is a schematic diagram of the range of IP addresses used by a plurality of computer rooms according to the present invention;
FIG. 6 is a schematic diagram of machine room division information in a teacher management program according to the present invention;
fig. 7 is a schematic diagram of the teacher-side management program selecting a target computer room 8;
FIG. 8 is a schematic diagram of a teacher side hypervisor login state when a machine room 8 is selected;
fig. 9 is a schematic diagram of the teacher side hypervisor selecting target machine rooms 6, 7, and 8;
fig. 10 is a schematic diagram showing the login status of the teacher side manager when the machine rooms 6, 7, and 8 are selected.
The present invention will be further described with reference to specific embodiments, but the present invention is not limited thereto.
Detailed Description
Example 1 of the invention: a multi-computer-room shift-combination teaching management method under a system double-IP network environment is characterized in that a system management program based on disk virtualization is adopted in a computer room, each computer in the computer room is configured with two IP addresses, one IP address is a bottom-layer system management IP and is used for communicating with a system management deployment server to transmit data and commands, and the bottom-layer system management IP of each computer is a fixed static address; the other IP address is an operating system application IP, each computer is configured with more than 1 operating system, the operating system application IP of each operating system is correspondingly configured with an exclusive IP, and the operating system application IP is a static address and changes along with the change of the operating system; the computer of computer lab divide into teacher's machine and student's machine according to the function, and teacher's machine installation teacher end supervisory program, student's machine installation student end supervisory program, and teacher's machine controls the student's machine in same computer lab through teacher's end supervisory program.
The installation of the teacher management program comprises the step of setting the teacher management program to adopt an IP address-based working mode; configuring a teacher-side management program binding operating system application IP; inputting IP address information and the number of student computers of all the machine rooms; testing the control and broadcast functions after the connection with the student end management program; setting the teacher program to default to select the computer room number as null; a system image of the teacher's machine is made using the hypervisor.
And starting the teacher machine, selecting a target machine room when using the teacher-side management program, and controlling the matched student machines.
The installation of the student management program comprises the step of setting the student management program to adopt an IP address-based working mode; testing the controlled and broadcast functions after the control and broadcast functions are connected with the teacher management program; a system image of the student machine is made using the hypervisor.
The bottom layer system management IP uses a static address fixed by a special private IP to bind with the MAC address of the computer; the bottom system management IP adopts 10.255.68-10.255.71, and in order not to disturb the selection of the IP address by the application program, the bottom system management IP is smaller than the operating system application IP.
The bottom layer system management IP in the machine rooms is set according to the rule that the same number of vlans are divided according to the number of the machine rooms, the bottom layer system management IP adopts C-type addresses, the physical serial number of the computers of each machine room is started from 001, according to the number of the computers of each machine room, if the number of the computers of the machine room is less than the number of the IP addresses of half C, each machine room uses the IP address of half C, a subnet mask code is 255.255.255.128, the IP address of the upper half segment is started from 1, and the IP address of the lower half segment is started from 131; and if the number of computers in the computer room exceeds the number of IP addresses of half C, dividing according to actual conditions.
Taking 8 computer rooms in fig. 3-5 as an example, 50 computers with the least number of computers in each computer room and 103 computers with the most number of computers do not exceed the number of IP addresses of half C, 8 computer rooms use 4C-type addresses when a computer bottom system manages IP settings, and are divided into 8 vlans, the physical numbers of the computers of each computer room start from 001, each computer room uses the IP address of half C, a subnet mask uses 255.255.255.128, the IP address of the upper half starts from 1, and the IP address of the lower half starts from 131.
The bottom system management IP is bound with the MAC address of the computer, the configuration sequence is configured in an increasing mode according to the physical number of the computer, the computer and the system management server communicate by adopting a PXE technology, data transmission is carried out through the bottom system management IP, and commands and transmission data are received from the system management server.
The specific steps are described in detail below:
and (4) inputting related information of each machine room in advance in a teacher management program, wherein the related information comprises the name of the machine room, the starting IP, the ending IP and the number of the student machines.
The input information is deployed to the teacher machine of each machine room along with a system image file of the teacher machine, and the teacher-side management program of each teacher machine stores machine room division information.
When the teacher management program is used, the target machine room needs to be selected. For example: and checking the 8 th computer room in the teacher management program, and seeing the selected computer room number and the automatically set connection permission number after confirmation. As shown in fig. 8 below: the IP address field is of a No. 8 machine room, and the number of applied students is 103.
When the students are on duty, the number of the students can be automatically configured by checking a plurality of machine rooms in the management program of the teacher end. For example: we choose No. 6, No. 7, No. 8 three machine rooms to carry out the teaching of closing the duty. 96 machine room students of No. 6, 103 machine room students of No. 7 and 103 machine room students of No. 8, wherein the total of the three machine rooms is 302. As shown in fig. 10 below: the IP address field uses three machine rooms of No. 6, No. 7 and No. 8, and the number of applied students is 302.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A teaching management method for multi-machine room on duty under the system double-IP network environment is characterized in that a machine room adopts a system management program based on disk virtualization, each computer in the machine room is configured with two IP addresses, one IP address is a bottom system management IP used for communicating with a system management deployment server to transmit data and commands, and the bottom system management IP of each computer is a fixed static address; the other IP address is an operating system application IP, each computer is configured with more than 1 operating system, the operating system application IP of each operating system is correspondingly configured with an exclusive IP, and the operating system application IP is a static address and changes along with the change of the operating system; the computer of computer lab divide into teacher's machine and student's machine according to the function, and teacher's machine installation teacher end supervisory program, student's machine installation student end supervisory program, and teacher's machine controls the student's machine in same computer lab through teacher's end supervisory program.
2. The multi-machine room joint teaching management method in the system dual-IP network environment of claim 1, wherein installing the teacher-side management program comprises setting the teacher-side management program to adopt an IP address-based working mode; configuring a teacher-side management program to bind an operating system application IP; inputting IP address information and the number of student computers of all the machine rooms; testing the control and broadcast functions after the connection with the student end management program; setting the teacher program to default to select the computer room number as null; and making a system mirror image of the teacher machine by using the system management program.
3. The multi-machine room on-duty teaching management method in the system dual-IP network environment as claimed in claim 2, wherein a teacher's machine is started, a target machine room is selected when a teacher's management program is used, and a matched student's machine is controlled.
4. The multi-machine room on-duty teaching management method under the system dual-IP network environment according to claim 1, wherein the installing the student side management program comprises setting the student side management program to adopt an IP address-based working mode; testing the controlled and broadcast functions after the control and broadcast functions are connected with the teacher management program; a system image of the student machine is made using the hypervisor.
5. The multi-machine room on-duty teaching management method in the system dual-IP network environment of claim 1, wherein the bottom layer system management IP uses a static address fixed by a private IP to bind with the MAC address of the computer; the bottom layer system management IP adopts 10.255.68-10.255.71, and is smaller than the operating system application IP.
6. The multi-room on-duty teaching management method in the system dual IP network environment according to claim 5, wherein the rules for setting the bottom system management IP of the computers in the rooms are that the same number of vlans are divided according to the number of the rooms, the bottom system management IP uses the addresses of class C, the physical number of the computers in each room starts from 001, and according to the number of the computers in each room, if the number of the computers in the room is less than the number of the IP addresses of half C, each room uses the IP address of half C, the subnet mask uses 255.255.255.128, the IP address of the upper half starts from 1, and the IP address of the lower half starts from 131; and if the number of computers in the computer room exceeds the number of IP addresses of half C, dividing according to actual conditions.
7. The multi-room on-duty teaching management method in the system dual-IP network environment as claimed in claim 6, wherein the bottom layer system management IP is bound with the computer MAC address, the configuration sequence is configured in an increasing manner according to the physical number of the computer in the room, the computer and the system management server communicate by adopting PXE technology, data transmission is performed through the bottom layer system management IP, and commands and data transmission are received from the system management server.
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