CN107220340B - Method and device for automatic capacity expansion of CFS storage in virtualization system - Google Patents
Method and device for automatic capacity expansion of CFS storage in virtualization system Download PDFInfo
- Publication number
- CN107220340B CN107220340B CN201710384353.XA CN201710384353A CN107220340B CN 107220340 B CN107220340 B CN 107220340B CN 201710384353 A CN201710384353 A CN 201710384353A CN 107220340 B CN107220340 B CN 107220340B
- Authority
- CN
- China
- Prior art keywords
- capacity
- storage
- cfs
- expansion
- monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000012544 monitoring process Methods 0.000 claims abstract description 43
- 238000013500 data storage Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
- G06F16/1824—Distributed file systems implemented using Network-attached Storage [NAS] architecture
- G06F16/1827—Management specifically adapted to NAS
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/188—Virtual file systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Debugging And Monitoring (AREA)
Abstract
The application discloses a method and a device for automatically expanding the capacity of CFS storage in a virtualization system, wherein the method comprises the steps of monitoring the available capacity of the CFS storage in real time and comparing the available capacity with a capacity threshold value; when the available capacity is smaller than the capacity threshold, alarming and monitoring the residual capacity of the storage end; when the residual capacity of the storage end is sufficient, carrying out capacity expansion operation on the LUN of the storage end; and when the LUN capacity expansion is completed, automatically expanding the capacity of the CFS storage. The method and the device for automatically expanding the CFS storage in the virtualization system can improve the flexibility and the stability of the data storage in the virtualization system.
Description
Technical Field
The invention belongs to the technical field of cloud computing, and particularly relates to a method and a device for automatic capacity expansion of CFS storage in a virtualization system.
Background
With the rapid development of current cloud computing and virtualization technologies, the role of storage virtualization in a virtualization operating system becomes more and more important, which gradually becomes a main factor influencing the normal operation of the virtualization operating system. With the storage of mass data and the use of virtual machines in a virtualization system, the capacity of the storage system itself will gradually decrease, and if the storage system is fully written, serious problems such as downtime of the virtual machine may be induced, which affects the normal operation of the virtualization system. Based on this, it is necessary to timely expand the capacity of the storage system in the virtualization system, but the conventional expansion method needs to estimate the available capacity at the storage end of the system, manually expand the LUN capacity at the bottom layer, and then expand the data storage at the system interface to increase the data storage capacity, however, this manual expansion method is complicated.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method and an apparatus for CFS storage automatic capacity expansion in a virtualization system, which can improve flexibility and stability of data storage usage in the virtualization system.
The invention provides a method for automatically expanding the capacity of CFS storage in a virtualization system, which comprises the following steps:
monitoring the available capacity of the CFS storage in real time and comparing the available capacity with a capacity threshold;
when the available capacity is smaller than the capacity threshold, alarming and monitoring the residual capacity of the storage end;
when the residual capacity of the storage end is sufficient, carrying out capacity expansion operation on the LUN of the storage end;
and when the LUN capacity expansion is completed, automatically expanding the capacity of the CFS storage.
Preferably, in the method for CFS storage automatic capacity expansion in the virtualization system,
after the real-time monitoring of the available capacity of the CFS storage and comparing it with the capacity threshold, the method further includes:
and when the available capacity of the CFS storage is larger than the capacity threshold value, continuously monitoring the available capacity of the CFS storage in real time.
Preferably, in the method for CFS storage automatic capacity expansion in the virtualization system,
after the monitoring of the remaining capacity of the storage end, the method further includes:
and when the residual capacity of the storage end is insufficient, alarming.
Preferably, in the method for CFS storage automatic capacity expansion in the virtualization system,
after the LUN capacity expansion is completed, automatically expanding the CFS storage: and after the LUN capacity expansion is completed, sending a CFS (computational fluid dynamics) storage capacity expansion command to the bottom layer, and running and returning a capacity expansion result.
The invention provides a device for automatically expanding the storage capacity of a CFS (computational fluid dynamics) in a virtualization system, which comprises:
the monitoring unit is used for monitoring the available capacity stored in the CFS in real time and comparing the available capacity with a capacity threshold value;
the first warning unit is used for warning and monitoring the residual capacity of the storage end when the available capacity is smaller than the capacity threshold;
the first capacity expansion unit is used for carrying out capacity expansion operation on the LUN of the storage end when the residual capacity of the storage end is sufficient;
and the second capacity expansion unit is used for automatically expanding the capacity of the CFS storage after the LUN is expanded.
Preferably, in the above apparatus for automatically expanding CFS storage in a virtualization system,
the monitoring unit is further specifically configured to continue to monitor the available capacity of the CFS storage in real time when the available capacity of the CFS storage is greater than the capacity threshold.
Preferably, in the above apparatus for automatically expanding CFS storage in a virtualization system,
further comprising:
and the second alarm unit is used for giving an alarm when the residual capacity of the storage end is insufficient.
Preferably, in the above apparatus for automatically expanding CFS storage in a virtualization system,
and the second capacity expansion unit is specifically configured to send a CFS capacity expansion storage command to the bottom layer after the LUN capacity expansion is completed, operate and return a capacity expansion result.
As can be seen from the above description, the method and apparatus for automatically expanding the capacity of the CFS storage in the virtualization system provided by the present invention includes monitoring the available capacity of the CFS storage in real time, and comparing the available capacity with a capacity threshold; when the available capacity is smaller than the capacity threshold, alarming and monitoring the residual capacity of the storage end; when the residual capacity of the storage end is sufficient, carrying out capacity expansion operation on the LUN of the storage end; and when the LUN capacity expansion is completed, automatically expanding the capacity of the CFS storage, so that the flexibility and the stability of the data storage in the virtualization system can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of a method for CFS storage automatic capacity expansion in a virtualization system according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of an apparatus for CFS storage automatic volume expansion in a virtualization system according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of a specific CFS storage automatic capacity expansion process.
Detailed Description
The core idea of the invention is to provide a method and a device for automatically expanding the capacity of a CFS storage in a virtualization system, which can improve the flexibility and stability of the data storage in the virtualization system.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 shows a method for automatically expanding CFS storage in a virtualization system according to an embodiment of the present application, where fig. 1 is a schematic diagram of the method for automatically expanding CFS storage in a virtualization system according to an embodiment of the present application, and the method includes the following steps:
s1: monitoring the available capacity of the CFS storage in real time and comparing the available capacity with a capacity threshold;
the capacity threshold may default to 10%, and may of course be set to other values according to the user's needs, and is not limited herein.
S2: when the available capacity is smaller than the capacity threshold, alarming and monitoring the residual capacity of the storage end;
it should be noted that, when the available capacity is small to a certain extent, the capacity needs to be expanded, and at this time, the capacity expansion operation may be started by the virtualization system to start monitoring and interaction of each module.
S3: when the residual capacity of the storage end is sufficient, carrying out capacity expansion operation on the LUN of the storage end;
it should be noted that the storage end monitors the capacity of the allocable corresponding LUN, and capacity expansion can be performed only when the capacity is sufficient, otherwise capacity expansion cannot be performed.
S4: and when the LUN capacity expansion is completed, automatically expanding the capacity of the CFS storage.
By using the method of automatically monitoring the capacity and automatically expanding the capacity for CFS data storage, the problems of system downtime or blockage caused by insufficient storage capacity of a virtual machine due to the fact that the available storage capacity reaches a serious threshold value can be effectively avoided, the stability and the fault-tolerant capability of a virtualization operating system are improved, and the service condition of a storage end can be effectively monitored by the mechanism of timely reporting of an alarm.
As can be seen from the foregoing description, the method for automatically expanding the CFS storage in the virtualization system according to the embodiment of the present application includes monitoring the available capacity of the CFS storage in real time, and comparing the available capacity with a capacity threshold; when the available capacity is smaller than the capacity threshold, alarming and monitoring the residual capacity of the storage end; when the residual capacity of the storage end is sufficient, carrying out capacity expansion operation on the LUN of the storage end; and when the LUN capacity expansion is completed, automatically expanding the capacity of the CFS storage, so that the flexibility and the stability of the data storage in the virtualization system can be improved.
The second method for automatically expanding CFS storage in a virtualization system provided in the embodiment of the present application is based on the method for automatically expanding CFS storage in the first virtualization system, and further includes the following technical features:
after the real-time monitoring of the available capacity of the CFS storage and comparing it with the capacity threshold, the method further includes:
and when the available capacity of the CFS storage is larger than the capacity threshold value, continuously monitoring the available capacity of the CFS storage in real time.
That is to say, the available capacity of the system is monitored at each moment, and once the available capacity is insufficient, the available capacity can be monitored in time, so that the influence of the insufficient capacity on the stability of the system is avoided.
The third method for CFS storage automatic volume expansion in a virtualization system provided in the embodiment of the present application is based on the method for CFS storage automatic volume expansion in the first virtualization system, and further includes the following technical features:
after the monitoring of the remaining capacity of the storage end, the method further includes:
and when the residual capacity of the storage end is insufficient, alarming.
Under the condition, the user can be prompted to increase the disk capacity for the storage, and then quit the capacity expansion operation, so that the failure caused by the fact that the capacity expansion is not performed in the midway is avoided.
The fourth method for CFS storage automatic volume expansion in a virtualization system provided in the embodiment of the present application is based on any one of the above methods for CFS storage automatic volume expansion in the first to third virtualization systems, and further includes the following technical features:
after the LUN capacity expansion is completed, automatically expanding the CFS storage: and after the LUN capacity expansion is completed, sending a CFS (computational fluid dynamics) storage capacity expansion command to the bottom layer, and running and returning a capacity expansion result.
The automatic capacity expansion mode improves the complexity and limitation of manual capacity expansion of storage in the traditional virtualization operating system, avoids a series of problems of downtime of a virtual machine and the like caused by full storage and use in the virtualization operating system, and improves the stability and flexibility of the virtualization operating system.
Fig. 2 shows an apparatus for CFS storage automatic volume expansion in a virtualization system according to an embodiment of the present application, where fig. 2 is a schematic diagram of the apparatus for CFS storage automatic volume expansion in a virtualization system according to an embodiment of the present application, and the apparatus includes:
the monitoring unit 201 is configured to monitor an available capacity stored in the CFS in real time, and compare the available capacity with a capacity threshold, where the capacity threshold may default to 10%, and may also be set to other values according to a user requirement, which is not limited herein;
the first warning unit 202 is configured to perform warning and monitor the remaining capacity of the storage end when the available capacity is smaller than the capacity threshold, where it should be noted that when the available capacity is small to a certain extent, capacity expansion needs to be performed on the surface, and at this time, a virtualization system may start capacity expansion operation to start monitoring and interaction of each module;
the first capacity expansion unit 203 is configured to perform capacity expansion operation on the LUN of the storage end when the remaining capacity of the storage end is sufficient, where it should be noted that the storage end monitors the capacity of the assignable corresponding LUN, and capacity expansion can be performed only when the capacity of the LUN is sufficient, otherwise capacity expansion cannot be performed;
the second capacity expansion unit 204 is configured to, after the LUN capacity expansion is completed, automatically expand the capacity of the CFS storage, and use a mode of automatically monitoring capacity and automatically expanding the capacity of CFS data storage, so that a problem of system downtime or seizure caused by insufficient storage capacity of a virtual machine due to the fact that the available storage capacity reaches a serious threshold can be effectively avoided, the stability and fault tolerance of the virtualized operating system are improved, and a mechanism for timely reporting an alarm can effectively monitor the service condition of the storage end.
The second apparatus for CFS storage automatic volume expansion in a virtualization system provided in the embodiment of the present application is based on the apparatus for CFS storage automatic volume expansion in the first virtualization system, and further includes the following technical features:
the monitoring unit is further specifically configured to continue to monitor the available capacity of the CFS storage in real time when the available capacity of the CFS storage is greater than the capacity threshold.
That is to say, the available capacity of the system is monitored at each moment, and once the available capacity is insufficient, the available capacity can be monitored in time, so that the influence of the insufficient capacity on the stability of the system is avoided.
The third apparatus for CFS storage automatic volume expansion in a virtualization system provided in the embodiment of the present application is based on the apparatus for CFS storage automatic volume expansion in the first virtualization system, and further includes the following technical features:
further comprising:
and the second alarm unit is used for giving an alarm when the residual capacity of the storage end is insufficient.
Under the condition, the user can be prompted to increase the disk capacity for the storage, and then quit the capacity expansion operation, so that the failure caused by the fact that the capacity expansion is not performed in the midway is avoided.
The device for CFS storage automatic volume expansion in the fourth virtualization system provided in the embodiment of the present application is based on the device for CFS storage automatic volume expansion in the first to third virtualization systems, and further includes the following technical features:
and the second capacity expansion unit is specifically configured to send a CFS capacity expansion storage command to the bottom layer after the LUN capacity expansion is completed, operate and return a capacity expansion result.
Therefore, the complexity and the limitation of manual storage capacity expansion in the traditional virtualization operating system are improved, a series of problems of virtual machine downtime and the like caused by full storage and use in the virtualization operating system are avoided, and the stability and the flexibility of the virtualization operating system are improved.
A specific example of the method and apparatus is described below with reference to fig. 3, where fig. 3 is a schematic diagram of a specific CFS storage automatic capacity expansion process, and the steps are as follows:
(1) monitoring the available capacity of the CFS storage in real time by a monitoring module in the virtualized operating system;
(2) comparing the monitored real-time available capacity information with a threshold value set by a system, and returning a monitoring result;
(3) the monitoring system determines whether to report an alarm or not according to the comparison result, and if the alarm operation is not needed, the step (1) is continued;
(4) if the alarm is reported, the virtualization system triggers the operation of expanding the CFS storage;
(5) after a signal for triggering capacity expansion is sent to the monitoring module, the monitoring module of the virtual machine operating system monitors the residual capacity information of the storage terminal;
(6) comparing 10% of the storage capacity of the general data with the residual capacity of the storage terminal, if the residual capacity is insufficient, reporting an alarm to a user to prompt that the capacity of a disk needs to be increased for storage, quitting the related operation of storage capacity expansion, and repeating the operation from the step (1) to the step (6);
(7) if the capacity of the storage end is enough, carrying out capacity expansion operation on the LUN corresponding to the data storage, wherein the capacity expansion is 10% of the data storage capacity;
(8) feeding back information of successful LUN capacity expansion of the storage end to a monitoring module of the virtualization operating system;
(9) the monitoring module transmits a signal for triggering the expansion of the CFS storage pool to a virtualization operating system;
(10) and carrying out automatic capacity expansion operation of CFS storage to finish automatic capacity expansion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A method for automatic capacity expansion of CFS storage in a virtualization system is characterized by comprising the following steps:
monitoring the available capacity of the CFS storage in real time and comparing the available capacity with a capacity threshold;
when the available capacity is smaller than the capacity threshold, alarming and monitoring the residual capacity of the storage end;
when the residual capacity of the storage end is sufficient, carrying out capacity expansion operation on the LUN of the storage end;
when the LUN capacity expansion is completed, automatically expanding the CFS storage;
after the LUN capacity expansion is completed, automatically expanding the CFS storage: after the LUN capacity expansion is completed, sending a CFS capacity expansion storage command to the bottom layer, running and returning a capacity expansion result;
after the real-time monitoring of the available capacity of the CFS storage and comparing it with the capacity threshold, the method further includes:
and when the available capacity of the CFS storage is larger than the capacity threshold value, continuously monitoring the available capacity of the CFS storage in real time.
2. The method for CFS storage auto-expansion in a virtualization system according to claim 1, further comprising, after the monitoring the remaining capacity of the storage end:
and when the residual capacity of the storage end is insufficient, alarming.
3. An apparatus for automatic capacity expansion of CFS storage in a virtualization system, comprising:
the monitoring unit is used for monitoring the available capacity stored in the CFS in real time and comparing the available capacity with a capacity threshold value;
the first warning unit is used for warning and monitoring the residual capacity of the storage end when the available capacity is smaller than the capacity threshold;
the first capacity expansion unit is used for carrying out capacity expansion operation on the LUN of the storage end when the residual capacity of the storage end is sufficient;
the second capacity expansion unit is used for automatically expanding the capacity of the CFS storage after the LUN capacity expansion is finished;
the second expansion unit is specifically configured to send a CFS storage expansion command to the bottom layer after the LUN expansion is completed, operate and return an expansion result;
the monitoring unit is further specifically configured to continue to monitor the available capacity of the CFS storage in real time when the available capacity of the CFS storage is greater than the capacity threshold.
4. The apparatus for automatic capacity expansion of CFS storage in a virtualization system of claim 3, further comprising:
and the second alarm unit is used for giving an alarm when the residual capacity of the storage end is insufficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710384353.XA CN107220340B (en) | 2017-05-26 | 2017-05-26 | Method and device for automatic capacity expansion of CFS storage in virtualization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710384353.XA CN107220340B (en) | 2017-05-26 | 2017-05-26 | Method and device for automatic capacity expansion of CFS storage in virtualization system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107220340A CN107220340A (en) | 2017-09-29 |
| CN107220340B true CN107220340B (en) | 2021-03-02 |
Family
ID=59945519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710384353.XA Active CN107220340B (en) | 2017-05-26 | 2017-05-26 | Method and device for automatic capacity expansion of CFS storage in virtualization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107220340B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105786985A (en) * | 2016-02-15 | 2016-07-20 | 浪潮(北京)电子信息产业有限公司 | Automatic method and device for expanding file systems automatically |
| CN106250207A (en) * | 2016-07-27 | 2016-12-21 | 汉柏科技有限公司 | A kind of virtual machine dilatation processing method and processing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI307026B (en) * | 2005-12-30 | 2009-03-01 | Ind Tech Res Inst | System and method for storage management |
-
2017
- 2017-05-26 CN CN201710384353.XA patent/CN107220340B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105786985A (en) * | 2016-02-15 | 2016-07-20 | 浪潮(北京)电子信息产业有限公司 | Automatic method and device for expanding file systems automatically |
| CN106250207A (en) * | 2016-07-27 | 2016-12-21 | 汉柏科技有限公司 | A kind of virtual machine dilatation processing method and processing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107220340A (en) | 2017-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202798798U (en) | High availability system based on cloud computing technology | |
| US11397648B2 (en) | Virtual machine recovery method and virtual machine management device | |
| CN109032849B (en) | Hot backup system, hot backup method and computer equipment | |
| US8601493B2 (en) | Application controlling apparatus and storage medium which stores software for the apparatus | |
| CN106776113B (en) | Virtual machine backup method and device | |
| CN103500130A (en) | Method for backing up dual-computer hot standby data in real time | |
| CN103186390A (en) | Home gateway and software upgrading method thereof | |
| CN109634398A (en) | A kind of BBU Fault Management System, BBU and storage equipment | |
| CN108647118B (en) | Storage cluster-based copy exception recovery method and device and computer equipment | |
| CN105786462A (en) | Boot method | |
| CN103902401B (en) | Virtual machine fault-tolerance approach and device based on monitoring | |
| CN107220340B (en) | Method and device for automatic capacity expansion of CFS storage in virtualization system | |
| CN112269692A (en) | Remote upgrading power-off self-recovery mechanism for network camera | |
| CN109104314B (en) | Method and device for modifying log configuration file | |
| CN115470009B (en) | Memory resource management method, system, device and medium | |
| CN113778607A (en) | Method and device for realizing high availability of virtual machine, cloud management platform and storage medium | |
| CN111124785A (en) | Hard disk fault checking method, device, equipment and storage medium | |
| CN104408059A (en) | Fault processing method and device | |
| CN115509815A (en) | Method and device for protecting data in server | |
| CN114860292A (en) | Terminal equipment firmware upgrading control method and device, computer equipment and medium | |
| CN114327275A (en) | Method and device for expanding storage space of cloud mobile phone, storage medium and equipment | |
| CN109213446B (en) | Write cache mode switching method, device and equipment and readable storage medium | |
| CN101866311A (en) | Method for monitoring and recovering by using external computer | |
| CN111475339A (en) | BIOS firmware updating method, device, equipment and storage medium | |
| CN109412888B (en) | Virtual switch monitoring method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201230 Address after: Building 9, No.1, guanpu Road, Guoxiang street, Wuzhong Economic Development Zone, Wuzhong District, Suzhou City, Jiangsu Province Applicant after: SUZHOU LANGCHAO INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: Room 1601, floor 16, 278 Xinyi Road, Zhengdong New District, Zhengzhou City, Henan Province Applicant before: ZHENGZHOU YUNHAI INFORMATION TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |