TWI564702B - Method and device for monitoring and controlling power supply unit - Google Patents

Description

Power supply monitoring method and monitoring device

The invention relates to a monitoring technology, and in particular to a monitoring method and monitoring device for a power supply.

In the conventional practice, when the server administrator wants to monitor the operating state of the power supply in the server, only a sensor externally mounted on the power supply can be used to obtain a specific feeling. Measurement information. However, in this way, in addition to the additional cost of the sensor, it is more limited by the type and specifications of the sensor, not only the sensing information obtained is very limited, but also the sensors need to be controlled one by one, so monitoring The performance is also difficult to improve.

In addition, a plurality of power supplies can be installed in a general server, and the styles of the power supplies may also be different. Therefore, when the server administrator wants to uniformly issue the monitoring command through the Baseboard Management Controller (BMC), the type of monitoring command that can be used is different because the monitoring commands supported by the power supplies may be different. And the number will be greatly limited.

The present invention is defined by predetermined instructions and corresponding predetermined instructions Manage the table to avoid the cost of additional sensor additions, and improve the low-efficiency of controlling each sensor one by one, and solve the problem of inconvenient monitoring caused by the difference in style of each power supply.

The invention provides a monitoring method of a power supply, and the monitoring method comprises the following steps. The management table is read, and the management table records execution information corresponding to each of the plurality of predetermined instructions. Whether the monitoring instruction is one of a plurality of predetermined instructions is determined according to the management table. When the monitoring instruction is not one of the plurality of predetermined instructions, the first error message is output. When the monitoring instruction is one of a plurality of predetermined instructions, the monitoring instruction is selectively executed according to the execution information corresponding to the monitoring instruction in the management table.

In an embodiment of the invention, the header file is loaded, and the header file includes a plurality of predetermined instructions defined in the Intelligent Platform Management Interface (IPMI) protocol based on a Power Management Bus (PMBus) protocol.

In another embodiment of the present invention, each execution information in the management table further records the support status and support information of the corresponding predetermined command, and supports one or more power supplies supported by the predetermined command corresponding to the information record.

In another embodiment of the present invention, it is determined whether the support status corresponding to the monitoring instruction is enabled. When the support status corresponding to the monitoring instruction is not enabled, a second error message is output. When the support status corresponding to the monitoring command is enabled, the monitoring command is executed corresponding to one or more power supplies supported by the predetermined command.

In another embodiment of the present invention, an internal integration circuit (I2C) application is used to forward monitoring instructions to one or more supported power supplies to monitor the operational status of one or more power supplies. .

In another embodiment of the present invention, it is determined whether the application of the internal integrated circuit returns an abnormal signal. When the application of the internal integrated circuit returns an abnormal signal, a third error message is issued.

In another embodiment of the present invention, each execution information in the management table further records the read parameter length and the write parameter length of the corresponding predetermined instruction.

In another embodiment of the invention, wherein the plurality of predetermined instructions are defined in an allowed implementation paragraph in the smart platform management interface agreement.

The invention provides a monitoring device for a power supply, comprising a storage unit and a processing unit. The processing unit is coupled to the storage unit. The storage unit is configured to store a management table, and the management table records execution information corresponding to each of the plurality of predetermined instructions. The processing unit is configured to read the management table, and determine, according to the management table, whether the monitoring instruction is one of a plurality of predetermined instructions, and when the monitoring instruction is not one of the plurality of predetermined instructions, output the first error message, and when the monitoring instruction When it is one of a plurality of predetermined instructions, the monitoring instruction is selectively executed according to the execution information corresponding to the monitoring instruction in the management table.

As described above, the present invention determines whether the received monitoring instruction is a predetermined instruction by recording a management table of execution information corresponding to each of the plurality of predetermined instructions, and if not, outputs a first error message, and if yes, The monitoring instruction is selectively executed according to the execution information corresponding to the monitoring instruction. In this way, it is possible to monitor the power supply with different styles and improve the monitoring performance.

The above description of the present invention and the following description of the embodiments are The spirit and principle of the invention are set forth and illustrated, and further explanation of the scope of the invention is provided.

100‧‧‧Monitor

110‧‧‧ storage unit

120‧‧‧Processing unit

200‧‧‧Monitoring interface

300‧‧‧Server

310~350‧‧‧Power supply

S410~S440‧‧‧Steps for monitoring the power supply

1 is a schematic diagram showing the operation of a monitoring device of a power supply according to an embodiment of the present invention.

2 is a flow chart of a method of monitoring a power supply according to an embodiment of the present invention.

The detailed features of the present invention are described in the following description, which is sufficient for any skilled person to understand the technical contents of the present invention and to implement it, and according to the contents disclosed in the specification, the patent application scope and the drawings, any familiarity The related objects and advantages of the present invention will be readily understood by those skilled in the art. The following examples are intended to further illustrate the invention, but are not intended to limit the scope of the invention.

1 is a schematic diagram of the operation of a monitoring device 100 of a power supply in accordance with an embodiment of the present invention. As shown in FIG. 1, the monitoring device 100 includes a storage unit 110 and a processing unit 120. The processing unit 120 is coupled to the storage unit 110. The monitoring device 100 is disposed in the server 300. The server administrator can monitor the plurality of power supplies 310-350 in the server 300 through the remote monitoring interface 200. The monitoring interface 200 and the monitoring device 100 communicate through the Intelligent Platform Management Interface (IPMI) protocol, between the monitoring interface 200 and the power supply 310-350. It communicates via the Power Management Bus (PMBus) protocol. In the embodiment of the present invention, the monitoring device 100 may be a Baseboard Management Controller (BMC) in the server 300, and the monitoring interface 200 may be provided by a computer in the server administrator's studio.

When the server administrator wants to monitor the plurality of power supplies 310-350 in the server 300 by the remote monitoring interface 200, the operating states of the power supplies 310-350 are read (for example, the output power). When the operating state (for example, the rotational speed) of the fan on the power supply 310 to 350 is adjusted, the monitoring interface can be sent to the monitoring device 100 through the monitoring interface 200. However, prior to monitoring, the monitoring device 100 will first perform a preliminary procedure, which will be further described below.

In the embodiment of the present invention, after the monitoring device 100 is started, the header file may be loaded, and the header file includes a plurality of predetermined instructions defined in the smart platform management interface protocol based on the power management bus protocol. Moreover, in the embodiments of the present invention, these predetermined instructions may be defined in the allowed implementation paragraphs in the smart platform management interface agreement. For example, these predetermined commands based on the power management bus protocol can be defined in the NetFn 0x3C paragraph of the Smart Platform Management Interface Agreement (falling between 0x30 and 0x3F). However, in another embodiment of the present invention, the predetermined commands based on the power management bus protocol may also be defined in other relevant allowed implementations of NetFn in the smart platform management interface protocol, for example, paragraphs 2Eh~2Fh, or It is the 30h~3Fh paragraph, and there is no limit.

After the monitoring device 100 is started, the processing unit 120 also receives from the storage list. In the element 110, the stored management table is read, and the management table records a plurality of predetermined instructions and execution information corresponding to each predetermined instruction. In the embodiment of the present invention, each of the execution information records in the management table records the support status and the support information of the predetermined command, and supports one or more power supplies supported by the predetermined command corresponding to the information record. The server administrators corresponding to different needs or levels may have different support states for each predetermined command that can be used after the monitoring device 100 is activated. For example, a higher level of server administrators can use more of the number of predetermined instructions that can be enabled, and a lower level of server administrators can use fewer predetermined instructions.

In the embodiment of the present invention, the styles of the power supplies 310-350 may be different. Therefore, the predetermined commands supported by the power supplies 310-350 can be different. For example, the power supply capable of supporting the predetermined command A is 310, 330, 350, the power supply capable of supporting the predetermined command B is 310, 320, 340, and the power supply supporting the predetermined command C is 330 and 340. Thereby, the support information corresponding to the predetermined command A records the power supply 310, 330, 350, and the support information corresponding to the predetermined command B records the power supply 310, 320, 340, and the support information corresponding to the predetermined command C Then the power supply is recorded as 330 and 340.

In the embodiment of the present invention, each execution information in the management table further records the read parameter length and the write parameter length of the corresponding predetermined instruction. For example, the read parameter length or the write parameter length may be one bit or one character, which is not limited herein.

After the preparation process is completed, the processing unit 120 can be based on the management table. To determine whether the monitoring instruction is one of a plurality of predetermined instructions. When the processing unit 120 determines that the monitoring instruction is not one of the plurality of predetermined instructions, the first error message is output to represent the monitoring device 100 and the monitoring instruction cannot be executed. When the processing unit 120 determines that the monitoring instruction is one of the plurality of predetermined instructions, the monitoring instruction is selectively executed according to the execution information corresponding to the monitoring instruction in the management table.

In the embodiment of the present invention, when the processing unit 120 selectively executes the monitoring instruction according to the execution information corresponding to the monitoring instruction in the management table, the processing unit 120 may further determine, according to the corresponding execution information, the monitoring instruction. If the support status is enabled, when the support status corresponding to the monitoring command is not enabled, a second error message is output to indicate that the server administrator does not have permission to execute the monitoring command. When the support status corresponding to the monitoring command is enabled, the monitoring command is executed by one or more power supplies supported by the predetermined command.

In the embodiment of the present invention, the processing unit 120 forwards the monitoring command to the supported one or more power supplies through an application of the internal integrated circuit, thereby monitoring the operating states corresponding to the one or more power supplies. For example, when the monitoring instruction is the predetermined instruction A, the processing unit 120 forwards the monitoring instruction to the corresponding power supply 310, 330, 350 through the application of the internal integrated circuit to execute the monitoring instruction. In addition, the processing unit 120 can further determine whether the application of the internal integrated circuit returns an abnormal signal. When the application of the internal integrated circuit returns an abnormal signal, a third error message is issued to cause an abnormality in the application representing the internal integrated circuit for the server administrator to debug.

Figure 2 is a diagram of a power supply monitor according to an embodiment of the present invention. Flow chart of the control method. As shown in FIG. 2, the monitoring method according to an embodiment of the present invention includes steps S410 to S440.

In step S410, the processing unit 120 reads the management table from the storage unit 110, and the management table records a plurality of predetermined instructions, and execution information corresponding to each predetermined instruction. In step S420, the processing unit 120 determines, according to the management table, whether the monitoring instruction is one of a plurality of predetermined instructions. In step S430, when the processing unit 120 determines that the monitoring instruction is not one of the plurality of predetermined instructions, the first error message is output. In step S440, when the processing unit 120 determines that the monitoring instruction is one of the plurality of predetermined instructions, the monitoring instruction is selectively executed according to the execution information corresponding to the monitoring instruction in the management table. Steps S410 to S440 have been described in detail above, and are not described herein.

In summary, the present invention determines whether the received monitoring instruction is one of the predetermined instructions by recording a management table of the execution information corresponding to the plurality of predetermined instructions, and determining whether the support status corresponding to the monitoring instruction is If the above determination is yes, the monitoring command is forwarded to the supported one or more power supplies through the internal integrated circuit application according to the support information corresponding to the monitoring command. Among them, a plurality of predetermined instructions are defined in the allowable implementation paragraph in the Intelligent Platform Management Interface (IPMI) protocol based on the Power Management Bus (PMBus) protocol. In this way, multiple power supplies with different styles can be monitored without additional sensors, which improves monitoring performance.

Although the present invention has been disclosed above in the foregoing embodiments, it is not intended to limit the invention. Without changing the spirit and scope of the present invention, Retouching is within the scope of patent protection of the present invention. Please refer to the attached patent application for the scope of protection defined by the present invention.

100‧‧‧Monitor

110‧‧‧ storage unit

120‧‧‧Processing unit

200‧‧‧Monitoring interface

300‧‧‧Server

310~350‧‧‧Power supply

Claims (10)

A method for monitoring a power supply, comprising: reading a management table, wherein the management table records a plurality of predetermined instructions, and an execution information corresponding to each of the predetermined instructions; determining, according to the management table, whether a monitoring instruction is the predetermined one One of the instructions; when the monitoring instruction is not one of the predetermined instructions, outputting a first error message; and when the monitoring instruction is one of the predetermined instructions, according to the management table The execution information corresponding to the monitoring instruction selectively executes the monitoring instruction. The monitoring method of claim 1, wherein before the step of reading the management table, the management table records the execution information corresponding to the predetermined instructions, the method further includes: loading a header file, and the header The file includes the predetermined instructions defined in a Smart Platform Management Interface (IPMI) protocol based on a Power Management Bus (PMBus) protocol; wherein the predetermined instructions are an allowed implementation paragraph defined in the smart platform management interface protocol Among them. The monitoring method of claim 2, wherein each of the execution information in the management table further records a support status and a support amount corresponding to the predetermined instruction. And the support information record corresponds to one or more power supplies supported by the predetermined instruction. The monitoring method of claim 3, wherein when the monitoring instruction is one of the predetermined instructions, the monitoring instruction is selectively executed according to the execution information corresponding to the monitoring instruction in the management table. And the step of: determining whether the support status corresponding to the monitoring instruction is enabled; when the support status corresponding to the monitoring instruction is not enabled, outputting a second error message; and when the monitoring instruction When the support status is enabled, the monitoring command is executed by the one or more power supplies supported by the predetermined command; wherein when the support status corresponding to the monitoring command is enabled, And the step of executing the monitoring instruction corresponding to the one or more power supplies supported by the predetermined instruction, further comprising: forwarding, by the application of an internal integrated circuit (I2C), the monitoring instruction to the supported The one or more power supplies are configured to monitor an operating state of the one or more power supplies respectively; wherein the application is transmitted through the internal integrated circuit The step of forwarding the monitoring command to the one or more supported power supplies to read the operating state corresponding to the one or more power supplies respectively includes: determining the application of the internal integrated circuit Whether to return an abnormal signal; When the application of the internal integrated circuit returns the abnormal signal, a third error message is sent. The monitoring method of claim 2, wherein each of the execution information in the management table further records a read parameter length and a write parameter length of the predetermined instruction. A monitoring device for a power supply, comprising: a storage unit for storing a management table, wherein the management table records a plurality of predetermined instructions, and an execution information corresponding to each of the predetermined instructions; and a processing unit coupled to the storage a unit for reading the management table, determining, according to the management table, whether a monitoring instruction is one of the predetermined instructions, and when the monitoring instruction is not one of the predetermined instructions, outputting a first error And the message, and when the monitoring instruction is one of the predetermined instructions, selectively executing the monitoring instruction according to the execution information corresponding to the monitoring instruction in the management table. The monitoring device of claim 6, wherein the processing unit further loads a header file before reading the management table, and the management table records the execution information corresponding to the predetermined instructions respectively, and the label is further loaded The header file includes the predetermined instructions defined in a Smart Platform Management Interface (IPMI) protocol based on a Power Management Bus (PMBus) protocol; wherein the predetermined instructions are an allowed implementation defined in the smart platform management interface protocol In the paragraph. The monitoring device of claim 7, wherein each of the execution information in the management table further records a support status and a support information corresponding to the predetermined instruction, and the support information record corresponds to the predetermined instruction support One or more power supplies. The monitoring device of claim 8, wherein the processing unit further determines whether the support status corresponding to the monitoring instruction is enabled, and when the support status corresponding to the monitoring instruction is not enabled, outputting a a second error message, and when the support state corresponding to the monitoring command is enabled, the monitoring command is executed by the one or more power supplies supported by the predetermined command; wherein the processing unit further transmits a An application of an internal integrated circuit (I2C) for forwarding the monitoring command to the one or more power supplies supported to monitor an operational state of the one or more power supplies respectively; wherein the processing unit Further determining whether the application of the internal integrated circuit returns an abnormal signal, and when the application of the internal integrated circuit returns the abnormal signal, a third error message is sent. The monitoring device of claim 7, wherein each of the execution information in the management table further records a read parameter length and a write parameter length of the predetermined instruction.