CN110488960A - A kind of Power Supply Monitoring optimization system and method - Google Patents
A kind of Power Supply Monitoring optimization system and method Download PDFInfo
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- CN110488960A CN110488960A CN201910629772.4A CN201910629772A CN110488960A CN 110488960 A CN110488960 A CN 110488960A CN 201910629772 A CN201910629772 A CN 201910629772A CN 110488960 A CN110488960 A CN 110488960A
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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
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
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Abstract
The invention proposes a kind of Power Supply Monitoring optimization system and method, which includes BMC, detection module, PCH and power module；BMC is connected by GPIO with detection module and power module, when PMBUS signal is normal, collects the first monitoring information with recording power module；When abnormal, triggering BMC monitors power module by GPIO signal, obtains the second monitoring information, compares to the first monitoring information and the second monitoring information, judges abnormal source；BMC is connected by I2C bus with PCH, and PCH is connected by PMBUS signal with detection module, and power module is connected by PMBUS signal with detection module.Based on system proposed by the present invention, it is also proposed that a kind of method of Power Supply Monitoring optimization.The present invention avoids the case where leading to power module false alarm extremely because of PMBUS, improves the accuracy of failure logging by increasing the detection module to PMBUS signal.
Description
Technical field
The invention belongs to server power supply technical fields, in particular to utilize a kind of Power Supply Monitoring optimization system and method.
Background technique
With big data, cloud computing, the arrival in artificial intelligence epoch, there is fierce growth, calculation amount in Internet service amount
And it calculates frequency and increases with it；In server system, the increase of business calculation amount, so that the delivery pressure of server becomes larger,
The overall power of server increases, and the quantity of data center server is also continuously increased therewith；Each rack in data center
The total power consumption in position be it is certain, beyond total power consumption limit, will trigger protection, the overall power information of server is by reality
When monitor；At the same time, the global reliability of power supply plays the role of the very long running of server vital, this is just
For the power management on mainboard, more stringent requirements are proposed.
In server system, we give server using PSU module (power-supply unit: Power Supply Unit)
Power supply, lower PSU module of usual situation can meet the power demands of a rack-mount server, but current design is all
Redundancy Design is done using two PSU modules, when there is unpredictable failure in one of PSU module, another PSU mould
Block can continue to ensure the normal operation of server.During the power consumption monitoring of PSU module, ME (Management first
Engine the information of PSU) is read by PMBUS bus, then BMC reads the letter of PSU by other I2C all the way inside ME
Breath, to guarantee the power information of real time monitoring server, and information is read and the premise of monitoring is that power supply is in place, that is, power supply is just
Normal connection is on the server.Attached drawing 1 gives the system diagram of Power Supply Monitoring in the prior art.BMC passes through I2C signal and PCH
It is connected, PCH is connected by PMBUS signal with power module.During entire monitoring, PMBUS plays crucial effect, if
Power module is normally in place, but exception has occurred in PMBUS signal for some reason, will lead to and generates power supply mistake not in place
Alarm, and then generate the false alarm of entire power module exception.However this alarm is not the failure that power module occurs, and can be given
Client and operation maintenance personnel bring very big puzzlement.
Summary of the invention
The invention proposes a kind of Power Supply Monitoring optimization systems, by increasing the detection module of PMBUS signal, to confirm electricity
Whether source module is implicitly present in exception, and composite record detection case, avoids leading to power module false alarm extremely because of PMBUS
The competitiveness of the accuracy of failure logging, customer satisfaction and product can be improved in situation.
To achieve the goals above, the invention proposes a kind of Power Supply Monitoring optimization system, including BMC, detection module,
PCH and power module；
The BMC is connected by GPIO signal with detection module, and BMC is connected by two-way GPIO signal with power module；
The first monitoring information for the power module when PMBUS signal is normal, collected and recorded；In PMBUS abnormal signal, touching
Hair BMC is monitored power module by GPIO signal, and obtains the second monitoring information of power module, and by first
The comparison of monitoring information and the second monitoring information, judgement are power module exception or PMBUS abnormal signal；The BMC passes through
I2C bus is connected with PCH, reads the first monitoring information in power module that PCH is obtained when PMBUS signal is normal, described
Whether detection module is abnormal for logical detection PMBUS signal；The PCH is connected by PMBUS signal with detection module, for obtaining
Take the first monitoring information of the power module when detecting that PMBUS is normal；The power module passes through PMBUS signal and detection mould
Block is connected.
Further, the power module includes main power source module and stand-by power source module.
Further, the first monitoring information of the power module is the power module of detection when PMBUS signal is normal
Power consumption information and information in place；Second monitoring information of the power module is to be believed in PMBUS abnormal signal by GPIO
Number detection power module power consumption information and information in place.
Further, the detection module uses watchdog timer module；
The watchdog timer module is by internal timer, when power module input PMBUS signal is lasting
When waveform, then PMBUS signal is normal, and watchdog timer module exports the identical lasting waveform of language input；Work as power module
Input PMBUS signal is located at low level more than the max-thresholds time, then PMBUS abnormal signal, watchdog timer module are defeated
The PMBUS signal of high level out.
Further, the max-thresholds time is 6 minutes.
A kind of Power Supply Monitoring optimization method is realized based on a kind of Power Supply Monitoring optimization system, comprising the following steps: S1:
Whether normal detect PMBUS signal, when detection module detects that PMBUS is normal, output PMBUS signal to PCH；The PCH
First monitoring information of power module when acquisition PMBUS is normal；The first monitoring that the BMC is obtained by I2C signal-obtaining PCH
Information；When detection module detects PMBUS exception, detection module exports high level signal to the GPIO pin of BMC；
When S2:BMC detects that GPIO signal becomes high level, pass through the of other two-way GPIO signal-obtaining power module
Two monitoring informations；
The first monitoring information of power module and the second monitoring information of power module is compared in S3:BMC, and record is not
Same log, judgement are that power module exception or PMBUS are abnormal.
It further, in step s 2 include when BMC detects that GPIO signal becomes high level, being believed by GPIO all the way
Number read main power source module the second monitoring information, pass through the second road GPIO signal-obtaining stand-by power source module second monitoring letter
Breath.
The effect provided in summary of the invention is only the effect of embodiment, rather than invents all whole effects, above-mentioned
A technical solution in technical solution have the following advantages that or the utility model has the advantages that
The embodiment of the present invention proposes a kind of Power Supply Monitoring optimization system and method, the system include BMC, detection module,
PCH and power module；BMC is connected by GPIO signal with detection module, and BMC passes through two-way GPIO signal and power module phase
Even；The first monitoring information for the power module when PMBUS signal is normal, collected and recorded；In PMBUS abnormal signal
When, triggering BMC is monitored power module by GPIO signal, and obtains the second monitoring information of power module, and pass through
Comparison to the first monitoring information and the second monitoring information, judgement are power module exception or PMBUS abnormal signal；BMC is logical
It crosses I2C bus to be connected with PCH, reads the first monitoring information in power module that PCH is obtained when PMBUS signal is normal, inspection
It is whether abnormal for logical detection PMBUS signal to survey module；PCH is connected by PMBUS signal with detection module, is being examined for obtaining
Measure PMBUS it is normal when power module the first monitoring information；Power module is connected by PMBUS signal with detection module.Base
In a kind of system of Power Supply Monitoring optimization proposed by the present invention, it is also proposed that a kind of method of Power Supply Monitoring optimization.The present invention passes through
Increase the detection module to PMBUS signal, to detect PMBUS signal with the presence or absence of exception, and then confirms whether power module is true
It is real exception occur.The case where leading to power module false alarm extremely because of PMBUS is avoided, meanwhile, failure note can be improved in the present invention
The competitiveness of the accuracy of record, customer satisfaction and product.
Detailed description of the invention
Attached drawing 1 is the system diagram of Power Supply Monitoring in the prior art；
Attached drawing 2 is a kind of Power Supply Monitoring optimization system structure chart that the embodiment of the present invention 1 proposes；
Attached drawing 3 is a kind of Power Supply Monitoring optimization method flow chart that the embodiment of the present invention 1 proposes.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of the description present invention, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Embodiment 1
The embodiment of the present invention 1 proposes a kind of Power Supply Monitoring optimization system and method, the system include BMC, detection module,
PCH and power module；
BMC is connected by GPIO signal with detection module, and BMC is connected by two-way GPIO signal with power module；For
When PMBUS signal is normal, the first monitoring information of the power module collected and recorded；In PMBUS abnormal signal, triggering
BMC is monitored power module by GPIO signal, and obtains the second monitoring information of power module, and by supervising to first
The comparison of information and the second monitoring information is controlled, judgement is power module exception or PMBUS abnormal signal；
BMC is connected by I2C bus with PCH, reading when PMBUS signal is normal PCH acquisition the of power module
Whether one monitoring information, detection module are abnormal for logical detection PMBUS signal；
PCH is connected by PMBUS signal with detection module, for obtaining the power module when detecting that PMBUS is normal
First monitoring information；
Power module is connected by PMBUS signal with detection module.
Attached drawing 2 gives a kind of Power Supply Monitoring optimization system structure chart of the proposition of the embodiment of the present invention 1；Detection module uses
Watchdog timer module；
Watchdog timer module is by internal timer, when power module input PMBUS signal is lasting sine
When waveform, then PMBUS signal is normal, and watchdog timer module exports the identical lasting sinusoidal waveform of language input；Work as power supply
It is more than the max-thresholds time that module input PMBUS signal, which is located at low level, then PMBUS abnormal signal, watchdog timer mould
The PMBUS signal of block output high level.Wherein, the max-thresholds time is 6 minutes
Power module includes main power source module and stand-by power source module.
First monitoring information of power module be when PMBUS signal is normal, the power consumption information of the power module of detection and
Information in place；Second monitoring information of power module is to pass through the power module of GPIO signal detection in PMBUS abnormal signal
Power consumption information and information in place.
BMC compares the first monitoring information and the second monitoring information, if PMBUS signal is normal, will not trigger two
Road GPIO signal actively goes to detect, and can export a high level signal if PMBUS is abnormal, then trigger two-way GPIO signal
Active collection PSU information illustrates that PMBUS alarm is false alarm, whereas if first if the PSU information being collected into is normal
Monitoring information and the second monitoring information are consistent, it is determined that have power module abnormal.
Based on a kind of Power Supply Monitoring optimization system proposed by the present invention, it is also proposed that a kind of Power Supply Monitoring optimization method.Packet
Include following steps:
S1: whether detection PMBUS signal is normal, and when detection module detects that PMBUS is normal, output PMBUS signal is arrived
PCH；First monitoring information of power module when PCH acquisition PMBUS is normal；BMC passes through first that I2C signal-obtaining PCH is obtained
Monitoring information；When detection module detects PMBUS exception, detection module exports high level signal to the GPIO pin of BMC；
When S2:BMC detects that GPIO signal becomes high level, pass through the of other two-way GPIO signal-obtaining power module
Two monitoring informations；By the second monitoring information of GPIO signal-obtaining main power source module all the way, read by the second road GPIO signal
Take the second monitoring information of stand-by power source module.
The first monitoring information of power module and the second monitoring information of power module is compared in S3:BMC, and record is not
Same log, judgement are that power module exception or PMBUS are abnormal.
Attached drawing 3 gives a kind of Power Supply Monitoring optimization method flow chart of the proposition of the embodiment of the present invention 1.
In step S301, the process is started to process；
In step s 302, whether detection module detection PMBUS is abnormal；If PUBUS is thened follow the steps without exception
S303；If PMBUS has exception, S305 is thened follow the steps；
In step S303, output PMBUS signal to PCH, the first monitoring of power module when PCH acquisition PMBUS is normal
Information；
In step s 304, BMC passes through the first monitoring information that I2C signal-obtaining PCH is obtained；
In step S305, it is abnormal that detection module detects that PMBUS exists, then detection module output high level signal arrives
The GPIO pin of BMC；
In step S306, when BMC detects that GPIO signal becomes high level, pass through other two-way GPIO signal-obtaining electricity
Second monitoring information of source module；
In step S307, BMC carries out the first monitoring information of power module and the second monitoring information of power module
It compares, records different logs, judgement is that power module exception or PMBUS are abnormal；
In step S308, whole flow process terminates.
The present invention increases the judgement to PMBUS abnormal signal situation, avoids because of certain by rationally designing hardware circuit
A little reasons cause erroneous judgement when PMBUS exception to power module state to provide accurate indicating fault, energy by comprehensive descision
Enough more accurate record logs, improve the reasonability and accuracy of power module monitoring；Improving failure logging accuracy
Meanwhile improving the competitiveness of customer satisfaction and product.
Above content is only to structure example of the invention and explanation, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (7)
1. a kind of Power Supply Monitoring optimization system, which is characterized in that including BMC, detection module, PCH and power module；
The BMC is connected by GPIO signal with detection module, and BMC is connected by two-way GPIO signal with power module；For
When PMBUS signal is normal, the first monitoring information of the power module collected and recorded；In PMBUS abnormal signal, triggering
BMC is monitored power module by GPIO signal, and obtains the second monitoring information of power module, and by supervising to first
The comparison of information and the second monitoring information is controlled, judgement is power module exception or PMBUS abnormal signal；The BMC passes through I2C
Bus is connected with PCH, reads the first monitoring information in power module that PCH is obtained when PMBUS signal is normal, the detection
Whether module is abnormal for logical detection PMBUS signal；The PCH is connected by PMBUS signal with detection module, for obtaining
Detect the first monitoring information of power module when PMBUS is normal；The power module passes through PMBUS signal and detection module phase
Even.
2. a kind of Power Supply Monitoring optimization system according to claim 1, which is characterized in that the power module includes main electricity
Source module and stand-by power source module.
3. a kind of Power Supply Monitoring optimization system according to claim 2, which is characterized in that the first prison of the power module
Controlling information is the power consumption information of the power module of detection and information in place when PMBUS signal is normal；The of the power module
Two monitoring informations are to pass through the power consumption information and information in place of the power module of GPIO signal detection in PMBUS abnormal signal.
4. a kind of Power Supply Monitoring optimization system according to claim 1, which is characterized in that the detection module uses
Watchdog timer module；
The watchdog timer module is by internal timer, when power module input PMBUS signal is lasting waveform
When, then PMBUS signal is normal, and watchdog timer module exports the identical lasting waveform of language input；When power module inputs
PMBUS signal is located at low level more than the max-thresholds time, then PMBUS abnormal signal, the output of watchdog timer module are high
The PMBUS signal of level.
5. a kind of Power Supply Monitoring optimization system according to claim 3, which is characterized in that the max-thresholds time is 6
Minute.
6. a kind of Power Supply Monitoring optimization method is to optimize to be based on a kind of Power Supply Monitoring described in claim 1 to 5 any one
What system was realized, which comprises the following steps:
S1: whether detection PMBUS signal is normal, when detection module detects that PMBUS is normal, output PMBUS signal to PCH；
The PCH obtain PMBUS it is normal when power module the first monitoring information；The BMC is obtained by I2C signal-obtaining PCH
First monitoring information；When detection module detects PMBUS exception, the GPIO that detection module exports high level signal to BMC is managed
Foot；
When S2:BMC detects that GPIO signal becomes high level, pass through the second prison of other two-way GPIO signal-obtaining power module
Control information；
The first monitoring information of power module and the second monitoring information of power module is compared in S3:BMC, records different
Log, judgement are that power module exception or PMBUS are abnormal.
7. a kind of Power Supply Monitoring optimization method according to claim 6, which is characterized in that in step s 2 include BMC inspection
When measuring GPIO signal and becoming high level, by the second monitoring information of GPIO signal-obtaining main power source module all the way, pass through
Second monitoring information of two road GPIO signal-obtaining stand-by power source modules.
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