CN106484599B - Judge whether server resetting event is method caused by power breakdown - Google Patents
Judge whether server resetting event is method caused by power breakdown Download PDFInfo
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- CN106484599B CN106484599B CN201510527126.9A CN201510527126A CN106484599B CN 106484599 B CN106484599 B CN 106484599B CN 201510527126 A CN201510527126 A CN 201510527126A CN 106484599 B CN106484599 B CN 106484599B
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Abstract
A kind of electric power resetting method for detecting, it is executed by a server including a baseboard management controller, the baseboard management controller includes the random access memory of storage electric power resetting flag, an and processing unit, (A) processing unit is comprised the steps of: according to the received event signal of institute, to decide whether to initialize the random access memory；(B) processing unit resets the parameter value of flag according to electric power, abnormal to judge whether it is agreement；(C) if step (B) is judged as NO, which judges whether it is itself operation exception；(E) if step (C) is judged as NO, which is judged as an electric power resetting event for belonging to the server；In this way, the server directly detects electric power resetting event, high-order power supply unit is used without buying, to not influence system compatibility.
Description
[technical field]
The invention relates to a kind of system and method for detectable error, a kind of server and judgement service are particularly related to
Whether device resetting event is method caused by power breakdown.
[background technique]
Existing server is to receive the AC power from externally supplying.If but AC power due to several and
It interrupts, such as the attaching plug of server is interrupted by AC power caused by unexpected pull up, and will make the running of server therefore
Be affected, and system closedown or service disruption may be caused etc..
One can be used to have detecting AC power interrupt function for the practice detecting server power breakdown at present and resetting
High-order power supply unit come supply should electric power needed for server, and with the substrate management control of a control server functioning condition
Device obtains the message that electric power resetting event occurs to the power supply unit, but the shortcomings that this practice is especially to purchase to have and detects
The high-order power supply unit of AC power interrupt function is surveyed, in addition, to will affect system simultaneous for the use of the high-order power supply unit
Capacitive.
[summary of the invention]
Therefore, the purpose of the present invention a kind of is directly by the judgement server resetting event that server executes providing
No is method caused by power breakdown.
Then, the present invention judges whether server resetting event is method caused by power breakdown, is held by a server
Row, the server include a baseboard management controller, which includes a random access memory, an electrical connection
The processing unit of the random access memory and one be electrically connected the processing unit event recording unit, the random access memory
Device stores an electric power and resets flag, and this judges whether server resetting event is that method caused by power breakdown includes a step
Suddenly (A), a step (B), a step (C) and a step (E).
The step (A) is the processing unit according to the received event signal of institute, is deposited at random with deciding whether to initialize this
Access to memory.
The step (B) is the parameter value that the processing unit resets flag according to the electric power, to judge whether it is an agreement
It is abnormal.
The step (C) if be the judging result of step (B) be it is no, the processing unit judge whether it is one itself operation it is different
Often.
The step (E) if be the judging result of step (C) be it is no, the processing unit record an electric power resetting event to should
Event recording unit.
Furthermore another object of the present invention is providing a kind of server.
Then, which includes a baseboard management controller, which includes a random access memory
Device and a processing unit.
The random access memory stores an electric power and resets flag.
The processing unit is electrically connected the random access memory, according to the received event signal of institute, to decide whether just
The beginningization random access memory, and according to a parameter value of electric power resetting flag, to judge whether it is agreement exception；If
Judging result be it is no, then the processing unit judges whether it is itself operation exception, if judging result is also no, the processing list
Member records an electric power resetting event to the event recording unit.
Compared to the prior art, which can directly detect the electric power resetting event, use high-order power supply without buying
Power supply unit, to not influence system compatibility.
[Detailed description of the invention]
Other features of the invention and effect will be clearly presented in the embodiment referring to schema, in which:
Fig. 1 is a schematic diagram, illustrates a server of the invention；
Fig. 2, Fig. 3 are a flow charts, and illustrate server execution judges whether server resetting event is power breakdown
One first embodiment of caused method；
Fig. 4 is a flow chart, and illustrate server execution judges whether server resetting event is led by power breakdown
One second embodiment of the method for cause；
Fig. 5 is a flow chart, and illustrate server execution judges whether server resetting event is led by power breakdown
One 3rd embodiment of the method for cause.
[specific embodiment]
Before the present invention is described in detail, it shall be noted that in the following description content, similar element is with identical
Number indicate.
Refering to fig. 1, a server 1 of the invention includes a baseboard management controller (Baseboard Management
Controller, BMC) 11, one south bridge 13 and a wisdom Platform Management Interface (Intelligent Platform
Management Interface, IPMI) 12.
The wisdom Platform Management Interface 12 decides whether one resetting request signal of output according to a reset indication.Wherein,
The reset indication may be from a wisdom platform management customer interface (IPMI client) 21 of a remote server 2, in distally asking
It asks cold resetting (cold reset), warm resetting (warm reset) or is issued when updating the one of them of firmware；The reset indication
Also south bridge 13 that may be from the server 1, when local side requests cold resetting, warms up one of them when resetting or updating firmware
It issues.
The baseboard management controller 11 includes the 111 (Random of random access memory of a storage one electric power resetting flag
Access Memory, RAM), one be electrically connected the random access memory 111 processing unit 112, one be electrically connected the processing list
Member 112 simultaneously records the electrical connection of event recording unit (event log) 113, one of an electric power resetting event and monitors the processing list
The monitoring unit (watchdog) 114, one of first 112 function situations is electrically connected the processing unit 112 and makees for the processing unit 112
The electronics that the agreement layer stack (IPMI stack) 115, one of the software overlapping shelf structure of industry system is electrically connected the processing unit 112 is smeared
Except the formula read only memory (Electrically-Erasable Programmable Read-Only Memory, EEPROM)
116.And in this example, which is a dynamic random access memory (Dynamic Random
Access Memory, DRAM).
Refering to Fig. 2 and Fig. 3, the present invention judges whether server resetting event is one of method caused by power breakdown
One embodiment is executed by the server 1, and comprised the steps of.
Referring to Fig.2, firstly, the processing unit 112 is according to the received event signal of institute, in step (A) to decide whether
Initialize the random access memory 111.Wherein, the event signal be one for should input electric power signal needed for server 1,
One indicates that the processing abnormal signal of 112 operation exception of processing unit, one come from the wisdom platform management from the monitoring unit 114
The one of them of the resetting request signal at interface 12 and an agreement abnormal signal from the agreement layer stack 115.And step
It (A) include following sub-step.
Step (A1), the processing unit 112 receive the input electric power signal, the processing abnormal signal and resetting request
The one of them of signal enters step (A2).Specifically, which includes following sub-step.
Step (A11), which receives the processing abnormal signal, and enters step (A2).
Step (A12), the processing unit 112 receive the resetting request signal.
Step (A13), one resetting request flag value to electronics of the processing unit 112 write-in are erased the formula read only memory
116, and enter step (A2).
Step (A14), which receives the input electric power signal, and enters step (A2).
Step (A2), the processing unit 112 restarting, and the random access memory 111 is initialized, and enter step
(B)。
Step (A3), the processing unit 112 receive the agreement abnormal signal, then judge not restart and do not initialize this
Random access memory 111, and proceed directly to step (B).
It remarks additionally herein, event signal (the input electric power signal, the processing abnormal signal, the resetting request letter
Number and the agreement abnormal signal) be caused by respectively corresponding following trigger event: one, for should in the AC power of server 1
It is disconnected to restore again so that the processing unit 112 is reset；Two, itself operation exception of the processing unit 112 (working as machine) is by the monitoring unit
114 resettings；Three, by the wisdom platform management customer interface 21 from the remote server 2 or the resetting from the south bridge 13
It instructs, the processing unit 112 is made to execute the resettings request behaviour such as cold resetting, warm resetting or update firmware resetting according to the reset indication
Make；Four, agreement exception, which occurs, for the agreement layer stack 115 causes the agreement layer stack 115 to reset.Therefore, according to trigger event
Difference, the processing unit 112 are distinguished into according to corresponding received event signal and first enter step (A2) and enter step again
(B), step (B) two different operation modes are proceeded directly to and.
Refering to Fig. 3, then, the processing unit 112 must distinguish the received event signal of institute be it is described where one, then exist
In this example, the step of first carrying out before the step (B) (D), the processing unit 112 is erased the formula read only memory according to the electronics
Flag value is requested in 116 resetting, to judge whether it is resetting request operation, and including following sub-step.
Step (D1), the processing unit 112 compare whether resetting request flag value meets a setting value, if it is not, then should
The judgement of processing unit 112 is not resetting request operation, and executes step (B).
Step (D2), if step (D1) comparison result be it is yes, the processing unit 112 be judged as the resetting request behaviour
Make.
Step (D3), 112 unloading of the processing unit resetting request flag value to the random access memory 111.
Step (D4), the processing unit 112 send a clearance order and are erased the formula read only memory 116 with removing the electronics
Flag value is requested in the resetting.
In this explanation, erased the electrical characteristic of the formula read only memory 116 according to the electronics, when the processing unit 112
The resetting request signal is being received, resetting request flag value is written and is being restarted, the electronics is not being will lead to and erases formula only
It reads the resetting request flag value stored by memory 116 to disappear, therefore works as resetting request flag value and meet the setting value, i.e.,
It can determine whether to request to operate for the resetting, and must execute and remove so that the processing unit 112 receives the resetting request signal again
When can be written again.
Then, in step (B), which resets a parameter value of flag according to the electric power, to judge whether it is
One agreement is abnormal, and including following sub-step.
Whether step (B1), the parameter value which compares electric power resetting flag meet a preset value.
Step (B2), if step (B1) comparison result be it is yes, which is judged as the agreement layer stack
115 occur agreement exception.
Step (B3), if step (B1) comparison result be it is no, it is random which by the preset value is written this
The electric power for accessing memory 111 resets flag, to update the parameter value, and executes step (C).
It is described herein to be, according to the electrical characteristic of the random access memory 111, when the processing unit 112 opens again
The random access memory 111 is moved and initializes, the parameter of the electric power resetting flag stored in the random access memory 111
Value can disappear, and still, can't initialize the random access memory since the processing unit 112 receives the agreement abnormal signal
Device 111, therefore the parameter value for working as electric power resetting flag meets preset value, can be judged as agreement exception.
Then, in step (C), which judges whether it is itself operation exception, and including following sub-step
Suddenly.
Step (C1), when the processing unit 112 is according to the one of the monitoring unit 114 instruction processing unit operation abnormal excessive
Logical value locating for flag (timeout flag), judges whether it is itself operation exception.When the processing unit 112 judges that this overflows
Shi Qibiao is in one second logic, then the processing unit 112 judgement is not itself operation exception, and is judged as the electric power weight
Event is set, and enters step (E).
Step (C2), if the processing unit 112 judges that flag is in one first logic, the processing unit 112 when this overflows
It is judged as itself operation exception.
Then, in step (E), which records the electric power resetting event to the event recording unit 113.
As seen from the above description, in this example, which sequentially excludes to be that the resetting is requested via step (D)
It operates, is abnormal for the agreement by step (B) exclusion again, being finally itself operation exception by step (C) exclusion, just judge to service
Device 1 is reset by electric power, and records the electric power resetting event to the event recording unit 113.
Refering to Fig. 4, the present invention judges whether server resetting event is the one second real of method caused by power breakdown
Example is applied, it is similar to the first embodiment, the difference is that the step of being executed after being also included in step (C1) (D5).
In step (D5), if the processing unit 112 flag when step (C1) is overflow according to this is in the second logic, and judge
It is not itself operation exception, then the processing unit 112, which compares the resetting request flag value of the random access memory 111, is
It is no to meet the setting value, if so, repeating step (D2)；If it is not, thening follow the steps (E).
Whereby, it can prevent after the resetting request operation in step (D2) occurs for the electric power resetting event, because should
Electronics erase the resetting stored by the formula read only memory 116 request flag value can't because electric power reset due to disappear so that this
Processing unit 112 does not detect the situation of the electric power resetting event.At this point, being executed by the processing unit 112 in step (D3)
The unloading of flag value is requested in the resetting, can store being somebody's turn to do for the random access memory 111 by judgement after step (C1)
Whether resetting request flag value disappears because electric power is reset, to confirm after step (D2), if still there is the electric power weight
Set event.
Refering to Fig. 5, a 3rd embodiment of electric power method for detecting of the present invention is the deformation of first and second embodiment, and
The difference is that the step (D) is to execute after the step (C), and the step (D) includes step (D1 '), step (D2 '),
And step (D4 ').
Step (D1 '), the processing unit 112 compare whether resetting request flag value meets a setting value, if it is not, then should
Processing unit 112 is judged as the electric power resetting event, and executes step (E).
Step (D2 '), if step (D1 ') comparison result be it is yes, the processing unit 112 be judged as a resetting request behaviour
Make.
Step (D4 '), the processing unit 112 send a clearance order and are erased the formula read only memory 116 with removing the electronics
The resetting request flag value.
By described above it is found that the processing unit 112 is sequentially excluded via step (B) to be somebody's turn to do in the 3rd embodiment
Agreement is abnormal, by step (C) excludes to be itself operation exception again, finally is excluded to be resetting request operation by step (D),
Judge that the server 1 is reset by electric power, and records the electric power resetting event to the event recording unit 113.
In conclusion the present invention judges whether server resetting event is that method caused by power breakdown has the advantage that
It is as follows.
First, without high-order power supply unit, it is only necessary to execute institute by the processing unit 112 of the baseboard management controller 1
Judgement is stated, can record whether the server 1 occurs the electric power resetting event whereby.
Second, the present invention further in detecting, the processing unit 112 can exclude to request for the resetting operation, this itself
Any one of operation exception or agreement exception, and eventually correctly judge that the server 1 is reset by electric power, therefore really
The purpose of the present invention can be reached in fact.
A specific embodiment of the invention and embodiment are elaborated above in conjunction with attached drawing, but the present invention is not
It is limited to the above-described embodiment and examples, within the knowledge of those skilled in the art, this can also be not being departed from
It is made a variety of changes under the premise of inventive concept.
Claims (9)
- Judge whether server resetting event is method caused by power breakdown 1. a kind of, which is characterized in that by a server It executes, which includes a baseboard management controller, which is electrically connected including a random access memory, one The processing unit of the random access memory is connect, which further includes an electrical connection and monitor processing unit fortune Make situation monitoring unit and one be electrically connected the processing unit agreement layer stack, an event signal be one confession should server institute Need electric power input electric power signal, one from the monitoring unit instruction processing unit operation exception processing abnormal signal, one The one of them of agreement abnormal signal from the resetting request signal of a remote server and one from the agreement layer stack, should be with Machine accesses one electric power of memory storage and resets flag, and this judges whether server resetting event is side caused by power breakdown Method comprises the steps of:(A) processing unit is according to the received event signal of institute, to decide whether to initialize the random access memory, In, which includes:(A1) processing unit receives wherein the one of the input electric power signal, the processing abnormal signal and the resetting request signal Person enters step (A2),(A2) processing unit restarts, and initializes the random access memory, and enter step (B),(A3) processing unit receives the agreement abnormal signal, then judges not restart and do not initialize the random access memory Device, and proceed directly to step (B)；(B) processing unit resets a parameter value of flag according to the electric power, to judge whether it is agreement exception；(C) if the judging result of step (B) be it is no, the processing unit according to the one of the monitoring unit instruction processing unit operation Logical value locating for flag, judges whether it is itself operation exception when abnormal excessive；And(E) if the judging result of step (C) be it is no, the processing unit be judged as one belong to the server electric power resetting thing Part.
- Judge whether server resetting event is method caused by power breakdown, feature 2. according to claim 1 It is, which includes:(B1) whether the parameter value that the processing unit compares electric power resetting flag meets a preset value,(B2) if step (B1) comparison result be it is yes, it is abnormal which is judged as that agreement occurs for the agreement layer stack,(B3) if step (B1) comparison result be it is no, which is written the random access memory for the preset value The electric power resets flag, to update the parameter value.
- Judge whether server resetting event is method caused by power breakdown, feature 3. according to claim 1 It is, which includes:(C1) the excessive Shi Qibiao (timeout that the processing unit indicates processing unit operation exception according to the one of the monitoring unit Flag the logical value locating for) judges whether it is itself operation exception, if the processing unit judges that flag is in one second when this overflows Logic then enters step (E),(C2) if the processing unit judges that flag is in one first logic when this overflows, which is judged as itself operation It is abnormal.
- Judge whether server resetting event is method caused by power breakdown, feature 4. according to claim 1 It is, which further includes that the electronics of the electrical connection processing unit is erased the formula read only memory, wherein the step Suddenly (A1) includes:(A12) processing unit receives the resetting request signal,(A13) one resetting request flag value to electronics of processing unit write-in is erased the formula read only memory, and enters step (A2)。
- Judge whether server resetting event is method caused by power breakdown, feature 5. according to claim 4 The step of being, being also included in step (B) before (D1) to (D4):(D1) processing unit compares whether resetting request flag value meets a setting value, if it is not, (B) is thened follow the steps,(D2) if step (D1) comparison result be it is yes, the processing unit be judged as a resetting request operation,(D3) the processing unit unloading resetting requests flag value to the random access memory,(D4) processing unit send a clearance order with remove the electronics erase the formula read only memory the resetting request flag Value.
- Judge whether server resetting event is method caused by power breakdown, feature 6. according to claim 5 It is, is also included in the step of step (C) is executed later (D5):(D5) if the processing unit judges not being itself operation exception in step (C), which compares this and deposits at random Whether the resetting request flag value of access to memory meets the setting value, if so, repeating step (D2)；If it is not, then executing step Suddenly (E).
- Judge whether server resetting event is method caused by power breakdown, feature 7. according to claim 4 It is, is also included in the step of step (C) is executed later (D1 '), (D2 ') and (D4 '):(the D1 ') processing unit compares whether resetting request flag value meets a setting value, if it is not, then the processing is judged as this Electric power resetting event, and step (E) is executed,(D2 ') if step (D1 ') comparison result be it is yes, the processing unit be judged as a resetting request operation,(the D4 ') processing unit send a clearance order with remove the electronics erase the formula read only memory the resetting request flag Value.
- 8. a kind of baseboard management controller, characterized by comprising:One random access memory, one electric power of storage reset flag；AndOne processing unit is electrically connected the random access memory, according to the received event signal of institute, to decide whether to initialize The random access memory；The baseboard management controller further includes an electrical connection and monitors the monitoring unit of the processing unit function situation and one be electrically connected Connect the agreement layer stack of the processing unit, the event signal be one for should electric power needed for server input electric power signal, one From the abnormal processing abnormal signal of monitoring unit instruction processing unit operation, a resetting request from a remote server The one of them of signal and an agreement abnormal signal from the agreement layer stack,Wherein, which resets a parameter value of flag also according to the electric power, to judge whether it is agreement exception, if not The agreement is abnormal, then the processing unit judges whether it is itself operation exception, if not itself operation exception, then the processing list Member is judged as an electric power resetting event for belonging to a server.
- 9. a kind of server, characterized by comprising:One wisdom Platform Management Interface, according to a reset indication to decide whether one resetting request signal of output；AndOne baseboard management controller, includingOne random access memory, one electric power of storage reset flag,One processing unit is electrically connected the random access memory, according to the received event signal of institute, to decide whether to initialize The random access memory, wherein the event signal includes the resetting request signal from the wisdom Platform Management Interface, and should Processing unit resets a parameter value of flag also according to the electric power, to judge whether it is agreement exception, andOne electronics is erased the formula read only memory, and the processing unit is electrically connected, and stores a resetting request flag value,The baseboard management controller further includes an electrical connection and monitors the monitoring unit of the processing unit function situation and one be electrically connected Connect the agreement layer stack of the processing unit, the event signal be one for should electric power needed for server input electric power signal, one From the abnormal processing abnormal signal of monitoring unit instruction processing unit operation, a resetting request from a remote server The one of them of signal and an agreement abnormal signal from the agreement layer stack,The processing unit compares whether resetting request flag value meets a setting value,If the resetting requests flag value not to be equal to the setting value, which resets the flag parameter value according to the electric power and sentences Whether disconnected be agreement exception, if not the agreement is abnormal, then the processing unit judges whether it is itself operation exception, if not it should Itself operation exception, then the processing unit is judged as an electric power resetting event for belonging to the server.
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|---|---|---|---|---|
| CN102081563A (en) * | 2009-11-30 | 2011-06-01 | 英业达股份有限公司 | Test method of power supply resetting mechanism |
| CN102467434A (en) * | 2010-11-10 | 2012-05-23 | 英业达股份有限公司 | Method for acquiring storage device state signal by utilizing baseboard management controller |
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| CN103853301A (en) * | 2012-11-30 | 2014-06-11 | 英业达科技有限公司 | Server system and automatic reset method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081563A (en) * | 2009-11-30 | 2011-06-01 | 英业达股份有限公司 | Test method of power supply resetting mechanism |
| CN102467434A (en) * | 2010-11-10 | 2012-05-23 | 英业达股份有限公司 | Method for acquiring storage device state signal by utilizing baseboard management controller |
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Granted publication date: 20190820 |