CN113126694A - Time synchronization method, system, equipment and storage medium of computer management subsystem - Google Patents
Time synchronization method, system, equipment and storage medium of computer management subsystem Download PDFInfo
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- CN113126694A CN113126694A CN202110395850.6A CN202110395850A CN113126694A CN 113126694 A CN113126694 A CN 113126694A CN 202110395850 A CN202110395850 A CN 202110395850A CN 113126694 A CN113126694 A CN 113126694A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/14—Time supervision arrangements, e.g. real time clock
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The application discloses a time synchronization method of a computer management subsystem, which comprises the following steps: acquiring time stored in an RTC; acquiring a local time zone and a business system time mode; when the acquired service system time mode is a default time mode, overlapping the acquired time stored in the RTC and a local time zone to obtain the local time of the computer management subsystem; and when the acquired service system time mode is the local time mode, taking the acquired time stored in the RTC as the acquired local time of the computer management subsystem. By applying the scheme of the application, the accurate time synchronization of the computer management subsystem is realized. The application also provides a time synchronization system, equipment and a storage medium of the computer management subsystem, and the time synchronization system, the equipment and the storage medium have corresponding technical effects.
Description
Technical Field
The present invention relates to the field of computer technologies, and in particular, to a time synchronization method, system, device, and storage medium for a computer management subsystem.
Background
In a complex computer system such as a server, a storage, a switch and the like, a monitoring management subsystem is a key module therein and is used for recording fault logs, system operation logs and the like, the log records need accurate time consistent with a service system, the monitoring management subsystem is usually in a local area network, and time correction is not performed on the system through public network time, so that a time correction mechanism with the service system needs to be set.
In the current scheme, the Time of the service system is stored in RTC (Real _ Time Clock, Real Time Clock chip). Windows usually stores the local time, which is obtained by adding the local time zone time to the time in the 0 time zone, in the RTC, and the monitoring management subsystem accesses the RTC and uses the time stored in the RTC as the local time of the monitoring management subsystem. However, in systems such as Linux, Unix, and Mac, a UTC (Universal Time Coordinated, Coordinated Universal Time) Time, that is, a Time zone 0 is stored in an RTC, the Time zone is stored in a system configuration file, and a monitoring management subsystem directly uses the Time stored in the RTC as a local Time of the monitoring management subsystem, so that a situation that the Time synchronization with a service system cannot be performed occurs.
In summary, how to effectively perform accurate time synchronization of a computer management subsystem is a technical problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide a time synchronization method, a time synchronization system, time synchronization equipment and a storage medium of a computer management subsystem, so as to effectively and accurately time synchronization of the computer management subsystem.
In order to solve the technical problems, the invention provides the following technical scheme:
a method for timing a computer management subsystem, comprising:
acquiring time stored in an RTC;
acquiring a local time zone and a business system time mode;
when the acquired service system time mode is a default time mode, overlapping the acquired time stored in the RTC and the local time zone to obtain the local time of the computer management subsystem; and when the acquired service system time mode is a local time mode, taking the acquired time stored in the RTC as the acquired local time of the computer management subsystem.
Preferably, the acquiring the local time zone and the service system time pattern includes:
and acquiring the local time zone and the business system time mode input by the user through the first interface.
Preferably, the acquiring the local time zone and the service system time pattern includes:
and acquiring the local time zone and the business system time mode automatically transmitted by the OS through the second interface.
Preferably, the acquiring of the time stored in the RTC. The method comprises the following steps:
and acquiring the time stored in the RTC according to a preset period.
Preferably, the acquiring the local time zone and the service system time pattern includes:
the local time zone and the business system time pattern stored in the first storage medium are obtained.
Preferably, the first storage medium is a first storage medium extended from the RTC, or the first storage medium is a first storage medium that is not the RTC and is connected to the OS and the computer management subsystem.
Preferably, the computer management subsystem is a computer management subsystem in the BMC.
A time tick system of a computer management subsystem, comprising:
the time stamp acquisition module is used for acquiring the time stored in the RTC;
the parameter acquisition module is used for acquiring a local time zone and a service system time mode;
the local time determining module is used for overlapping the acquired time stored in the RTC and the local time zone to obtain the local time of the computer management subsystem when the acquired service system time mode is a default time mode; and when the acquired service system time mode is a local time mode, taking the acquired time stored in the RTC as the acquired local time of the computer management subsystem.
A time tick device of a computer management subsystem, comprising:
a memory for storing a computer program;
a processor for executing the computer program to implement the steps of the method of timing of the computer management subsystem of any one of the above.
A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the steps of the method for time synchronization of a computer management subsystem according to any of the preceding claims.
By applying the technical scheme provided by the embodiment of the invention, after the time stored in the RTC is acquired by the computer management subsystem, the local time zone and the service system time mode are further received and acquired instead of directly taking the acquired time as the local time of the computer management subsystem. When the received and acquired service system time mode is the default time mode, the time stored in the RTC at the moment is the time of 0 time zone, so that the acquired time stored in the RTC is superposed with the local time zone, and the accurate local time of the computer management subsystem can be obtained. And when the acquired business system time mode is the local time mode, the time stored in the RTC is already the time after the time of 0 time zone is overlapped with the local time zone, so the acquired time stored in the RTC can be directly used as the obtained local time of the computer management subsystem. In summary, the scheme of the application realizes accurate time synchronization of the computer management subsystem.
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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flowchart of an embodiment of a time synchronization method of a computer management subsystem according to the present invention;
fig. 2 is a schematic structural diagram of a time synchronization system of a computer management subsystem according to the present invention.
Detailed Description
The core of the invention is to provide a time synchronization method of a computer management subsystem, which realizes the accurate time synchronization of the computer management subsystem.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
Referring to fig. 1, fig. 1 is a flowchart illustrating an implementation of a time synchronization method of a computer management subsystem according to the present invention, where the time synchronization method of the computer management subsystem may include the following steps:
step S101: the time stored in the RTC is acquired.
The time stored in the RTC is usually written by an OS (operating System) through a fixed interface after the OS is started. The RTC may be accessed by the computer management subsystem, and in practical applications, the RTC may be set to be accessed periodically, that is, in an embodiment of the present invention, the step S101 may specifically acquire the time stored in the RTC according to a preset period, so that the computer management subsystem may update its local time periodically. Of course, in other cases, other update methods may be set as necessary.
The computer management subsystem is independent from the service system, and in practical application, the computer management subsystem can be embodied as a computer management subsystem in the BMC. Of course, other computer management subsystems with time setting requirements can also apply the scheme of the present application to realize accurate time setting. When the computer management subsystem is a computer management subsystem in the BMC, a program may be set in the BMC, and then the time stored in the RTC may be directly or indirectly acquired, for example, in a specific occasion, based on an Intel architecture, the RTC may be indirectly accessed through the ME or the BIOS, so as to acquire the time stored in the RTC.
Step S102: and acquiring a local time zone and a business system time mode.
The computer management subsystem can achieve accurate time synchronization by acquiring a local time zone and a service system time mode in addition to acquiring the time stored in the RTC.
In an embodiment of the present invention, step S102 may specifically be:
and acquiring the local time zone and the business system time mode input by the user through the first interface. The first interface may be specifically an IPMI interface provided by the computer management subsystem, or a Restul interface, or a Redfish interface, for example, so that the user can perform input of the local time zone and the service system time mode.
In an embodiment of the present invention, step S102 may specifically be:
and acquiring the local time zone and the business system time mode automatically transmitted by the OS through the second interface.
In this embodiment, in consideration of the fact that the operation is complicated and the efficiency is low if the local time zone and the service system time mode are input by the user, in this embodiment, the code of the OS is adjusted so that the OS can automatically transmit the local time zone and the service system time mode to the BMC.
The type of the second interface may be set according to needs, and may be specifically an LPC interface, or a USB interface, for example.
In addition, since the standard OS issued by each conventional OS manufacturer cannot realize automatic transmission of the local time zone and the service system time mode, an executable program may be installed in the OS, and considering that the main stream OS has different types such as Windows and Linux, the program should be applicable to the main stream OS such as Windows and Linux, or different executable programs may be set for different OSs, as long as the purpose of step S102 in this embodiment can be achieved.
In an embodiment of the present invention, step S102 may specifically be:
the local time zone and the business system time pattern stored in the first storage medium are obtained.
In this embodiment, considering that the local time zone is usually stored in the system configuration file, the computer management subsystem cannot be directly accessed conveniently, and if the OS is adjusted to automatically send the local time zone and the service system time pattern as in the foregoing embodiment, the implementation is also complicated, so in this embodiment, the first storage medium storing the local time zone and the service system time pattern is specially provided, and the computer management subsystem can conveniently obtain the local time zone and the service system time pattern by accessing the first storage medium.
The first storage medium may be implemented in various ways, and in an embodiment of the present invention, the first storage medium may be implemented as a first storage medium extended from an RTC.
In this embodiment, the RTC is extended and the local time zone and the business system time pattern are stored in the extended storage space. The computer management subsystem can periodically acquire three parameters, namely time stored in the RTC, a local time zone and a business system time mode by accessing the RTC, for example, periodically accessing.
It should be noted that the local time zone and the service system time pattern stored in the extended RTC may be written by the OS, for example, the OS periodically writes a timestamp, the local time zone and the service system time pattern, where the timestamp described herein is the time stored in the RTC.
In another embodiment of the present invention, the first storage medium may be a first storage medium other than the RTC and connected to the OS and the computer management subsystem. For example, the first storage medium is specifically selected as an EEPROM (Electrically Erasable Programmable read only memory), the EEPROM may be configured on a motherboard to store a local time zone and a service system time mode, and the EEPROM needs to be connected to the OS and the computer management subsystem. The OS may write at startup, or periodically during runtime, to the local time zone and business system time pattern. The computer management subsystem is connected with the first storage medium, for example, periodically accessed, and acquires the local time zone and the business system time mode.
Step S103: when the acquired service system time mode is a default time mode, overlapping the acquired time stored in the RTC and a local time zone to obtain the local time of the computer management subsystem; and when the acquired service system time mode is the local time mode, taking the acquired time stored in the RTC as the acquired local time of the computer management subsystem.
When the acquired service system time mode is the default time mode, it is described that the time stored in the RTC at this time is the time of 0 time zone, therefore, the acquired time stored in the RTC is overlapped with the local time zone to obtain the local time of the computer management subsystem, and taking the local time zone as the east 8 zone as an example, the acquired time stored in the RTC is added with 8 hours to obtain the local time of the computer management subsystem.
And if the acquired business system time mode is the local time mode, the time stored in the RTC is already the time overlapped with the local time zone, so the acquired time stored in the RTC is directly used as the acquired local time of the computer management subsystem.
By applying the technical scheme provided by the embodiment of the invention, after the time stored in the RTC is acquired by the computer management subsystem, the local time zone and the service system time mode are further received and acquired instead of directly taking the acquired time as the local time of the computer management subsystem. When the received and acquired service system time mode is the default time mode, the time stored in the RTC at the moment is the time of 0 time zone, so that the acquired time stored in the RTC is superposed with the local time zone, and the accurate local time of the computer management subsystem can be obtained. And when the acquired business system time mode is the local time mode, the time stored in the RTC is already the time after the time of 0 time zone is overlapped with the local time zone, so the acquired time stored in the RTC can be directly used as the obtained local time of the computer management subsystem. In summary, the scheme of the application realizes accurate time synchronization of the computer management subsystem.
Corresponding to the above method embodiment, the embodiment of the present invention further provides a time synchronization system of a computer management subsystem, which can be referred to in correspondence with the above.
Referring to fig. 2, a schematic structural diagram of a time synchronization system of a computer management subsystem according to the present invention includes:
a timestamp acquisition module 201, configured to acquire a time stored in the RTC;
a parameter obtaining module 202, configured to obtain a local time zone and a service system time mode;
a local time determining module 203, configured to, when the acquired service system time mode is a default time mode, overlap the acquired time stored in the RTC with the local time zone to obtain local time of the computer management subsystem; and when the acquired service system time mode is a local time mode, taking the acquired time stored in the RTC as the acquired local time of the computer management subsystem.
In an embodiment of the present invention, the parameter obtaining module 202 is specifically configured to:
and acquiring the local time zone and the business system time mode input by the user through the first interface.
In an embodiment of the present invention, the parameter obtaining module 202 is specifically configured to:
and acquiring the local time zone and the business system time mode automatically transmitted by the OS through the second interface.
In an embodiment of the present invention, the timestamp obtaining module 201 is specifically configured to:
and acquiring the time stored in the RTC according to a preset period.
In an embodiment of the present invention, the parameter obtaining module 202 is specifically configured to:
the local time zone and the business system time pattern stored in the first storage medium are obtained.
In an embodiment of the present invention, the first storage medium is a first storage medium extended from the RTC, or the first storage medium is a first storage medium other than the RTC and connected to the OS and the computer management subsystem.
In a specific embodiment of the present invention, the computer management subsystem is a computer management subsystem in a BMC.
Corresponding to the above method and system embodiments, the embodiments of the present invention further provide a time synchronization device of a computer management subsystem and a computer readable storage medium, which can be referred to in correspondence with the above. The computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps of the method for time synchronization of the computer management subsystem described in any of the above embodiments. A computer-readable storage medium as referred to herein may include Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The time synchronization device of the computer management subsystem can comprise:
a memory for storing a computer program;
a processor for executing the computer program to implement the steps of the time synchronization method of the computer management subsystem described in any of the above embodiments.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The principle and the implementation of the present invention are explained in the present application by using specific examples, and the above description of the embodiments is only used to help understanding the technical solution and the core idea of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A time synchronization method of a computer management subsystem is characterized by comprising the following steps:
acquiring time stored in an RTC;
acquiring a local time zone and a business system time mode;
when the acquired service system time mode is a default time mode, overlapping the acquired time stored in the RTC and the local time zone to obtain the local time of the computer management subsystem; and when the acquired service system time mode is a local time mode, taking the acquired time stored in the RTC as the acquired local time of the computer management subsystem.
2. The method for time synchronization of a computer management subsystem according to claim 1, wherein the obtaining the local time zone and the business system time pattern comprises:
and acquiring the local time zone and the business system time mode input by the user through the first interface.
3. The method for time synchronization of a computer management subsystem according to claim 1, wherein the obtaining the local time zone and the business system time pattern comprises:
and acquiring the local time zone and the business system time mode automatically transmitted by the OS through the second interface.
4. A method of time tick of a computer management subsystem according to claim 1 wherein the time stored in the RTC is obtained. The method comprises the following steps:
and acquiring the time stored in the RTC according to a preset period.
5. The method for time synchronization of a computer management subsystem according to claim 1, wherein the obtaining the local time zone and the business system time pattern comprises:
the local time zone and the business system time pattern stored in the first storage medium are obtained.
6. The method for checking time of a computer management subsystem according to claim 5, wherein the first storage medium is a first storage medium extended from the RTC, or the first storage medium is a first storage medium that is external to the RTC and is connected to the OS and the computer management subsystem.
7. A method as claimed in any one of claims 1 to 6, wherein the computer management subsystem is a BMC.
8. A time synchronization system of a computer management subsystem, comprising:
the time stamp acquisition module is used for acquiring the time stored in the RTC;
the parameter acquisition module is used for acquiring a local time zone and a service system time mode;
the local time determining module is used for overlapping the acquired time stored in the RTC and the local time zone to obtain the local time of the computer management subsystem when the acquired service system time mode is a default time mode; and when the acquired service system time mode is a local time mode, taking the acquired time stored in the RTC as the acquired local time of the computer management subsystem.
9. A computer management subsystem time synchronization device, comprising:
a memory for storing a computer program;
a processor for executing the computer program to implement the steps of the method of timing of the computer management subsystem of any of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of clocking a computer management subsystem according to any of claims 1 to 7.
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