CN103399836B - The management system of two IIC link and repositioning method thereof - Google Patents
The management system of two IIC link and repositioning method thereof Download PDFInfo
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- CN103399836B CN103399836B CN201310265092.1A CN201310265092A CN103399836B CN 103399836 B CN103399836 B CN 103399836B CN 201310265092 A CN201310265092 A CN 201310265092A CN 103399836 B CN103399836 B CN 103399836B
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Abstract
The invention provides the management system of a kind of pair of IIC link, comprise IPMB administration module, backboard and several subsystems, backboard is comprised several main IIC switch and is connected by IPMB link and RESET signal wire with main IIC switch respectively with several auxiliary IIC switch, IPMB administration modules, is connected by auxiliary IIC link and RESET signal wire with auxiliary IICswitch; Each subsystem comprises two modules, these two modules reset source each other, and a module is connected with the main IIC switch of on backboard by IPMB link, and another module is connected with the auxiliary IIC switch of on backboard by auxiliary IIC link.Present invention also offers a kind of said system that utilizes and carry out the method resetted.Adopt technical scheme of the present invention while meeting exceptional reset demand, also improve software reliability, expand the type selecting scope of connector.
Description
Technical field
The present invention relates to the repositioning method in a kind of advanced telecom Computational frame, particularly relate to management system and the repositioning method thereof of a kind of pair of IIC link.
Background technology
The management system of intelligent cabinet has the temperature of intelligent monitoring management each slot of rack, on/off, the function such as power consumption and rotation speed of the fan, at present, that the management agreement of management system is more popular is Intelligent Platform Management Bus (IPMB, Intelligent Platform Management BUS) agreement, its signal link is IC bus (IIC, Inter-Integrated Circuit), higher to the reliability requirement of IIC link, such as occur abnormal at link, during without response, need IIC link to have redundancy to switch or reset and the restore funcitons such as to restart.
The more IPMB management system of current application is according to advanced telecom Computational frame (ATCA, Advanced Telecom Computing Architecture) two groups of redundancy IIC link of agreement suggestion realize, after IPMB-A link extraordinary failure, realize management with IPMB-B link and control.This requires that IPMB-A, IPMB-B have same structure, manages the load of same quantity, but link did not have recovery capability after the two all loses efficacy.Meanwhile, when on the IIC of one group of IPMB, the subsystem of carry is more, poll monitoring period can be longer, affect the response time of IPMB system, in addition, IPMB-A and IPMB-B uses same set of management software, when management software occurs abnormal, there is all disabled situation in IPMB-A and IPMB-B.
Another kind of conventional IPMB management system uses an I/O signal line as RESET signal outward specially in the IIC link of IPMB, when IPMB management system needs the subsystem of control more, each subsystem needs separately an I/O signal line as RESET signal, the signal wire that such IPMB management system is externally drawn at least will comprise for 2+N root I/O signal line (N is subsystem number), does not also comprise GND equisignal line.In addition, IPMB management system also needs the supplementary obtained without IPMB agreement of reading subsystem, as ID etc., which increases the quantity of signal wire.This just requires that the I/O signal line quantity of IPMB management system will reach some, simultaneously to the connector of connection signal line, cable can be proposed certain requirement by transmission signal number, reduce can the IPMB chip device model of choice for use, connector model, cable range of choice.
Summary of the invention
For the technical matters that above-mentioned prior art exists; the invention provides management system and the repositioning method thereof of a kind of pair of IIC link, while meeting abnormal restoring demand, make the signal pins number not acceptor system quantity restriction of connector; further, the type selecting scope of connector is expanded.
To achieve these goals, technical scheme of the present invention is as follows:
The management system of a kind of pair of IIC link, comprise Intelligent Platform Management Bus IPMB administration module, backboard and several subsystems, backboard comprises several IC bus IIC switch and several auxiliary IC bus IIC switch, and described IPMB administration module is connected by IPMB link and RESET signal wire with master integrated circuit bus IIC switch respectively, be connected by assisting IIC link and RESET signal wire with auxiliary IC bus IIC switch; Each subsystem comprises two modules, these two modules reset source each other; In each subsystem, a module is connected with the master integrated circuit bus IIC switch of on backboard by IPMB link, and another module is by an auxiliary IC bus IIC switch on auxiliary IIC link and backboard.
Preferably, described IPMB link is different from the host-host protocol that described auxiliary IIC link adopts.
Present invention also offers and a kind ofly utilize above-mentioned management system to carry out the method resetted, technical scheme is as follows:
Described IPMB administration module reads each subsystem id information by described auxiliary IIC link, and id information sends monitor message by each subsystem of described IPMB chain road direction accordingly; When in certain subsystem there is exception with the module that described IPMB link is connected with a link in described auxiliary IIC link time, described IPMB administration module sends reset command by the module be connected with another link in this subsystem and occurs that abnormal module is to realize resetting to described.
Preferably, when in certain subsystem there is exception with the module that described IPMB link is connected with a link in described auxiliary IIC link time, to be sent reset command by the module be connected with another link in this subsystem at IPMB administration module and occur that abnormal module is with before realizing resetting to described, described IPMB administration module transmission RESET signal is there is with described the IIC switch that the module of exception is connected in reset backboard.
Preferably, when this IIC switch on reset backboard is successful, then thinks and reset successfully, terminate reset operation.
Preferably, when this IIC switch on reset backboard is unsuccessful, then continue the described module occurring exception that resets.
The management system of a kind of pair of IIC link provided by the present invention and repositioning method thereof, owing to have employed thought multichannel link being divided into two groups, and carry out expansion subsystem number further by IPMB switch, efficiently solve that the polling cycle too much caused due to subsystem number in prior art is long, signal wire quantity is many, limit the problems such as connector range of choice.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Fig. 1 is the concrete structure schematic diagram of the embodiment of the present invention;
Fig. 2 is the method flow diagram of the embodiment of the present invention.
Embodiment
Below in conjunction with Figure of description, the preferred embodiments of the present invention are described, be to be understood that, preferred embodiment described herein is only for instruction and explanation of the present invention, be not intended to limit the present invention, and when not conflicting, the feature in embodiments of the invention and embodiment can combine mutually.
The management system of provided by the invention pair of IIC link and repositioning method thereof, main thought is transmit IPMB agreement by one group of IIC link, realize IPMB signal, transmit self-defined auxiliary IIC signal by another group IIC signal link, realize the subsidiary function such as RESET signal and subsystem ID reading.
Wherein, Intelligent Platform Management Bus IPMB, full name Intelligent Platform Management BUS is advanced telecommunications computing platform ATCA(Advanced Telecom Computing Architecture) the general name of two groups of redundancy iic bus of each FRU backboard communication.
IC bus IIC, full name Inter-Integrated Circuit, i.e. I2C or I
2c bus is a kind of multidirectional control bus structure.
Embodiments provide the management system of a kind of pair of IIC link, the present invention is described for draw two subsystems, and as shown in Figure 1, concrete scheme is as follows:
According to the quantity of load subsystem, the major part in the multichannel IIC link of IPMB management device is given IPMB and use, namely IPMB IIC link in Fig. 1.IPMB IIC link expands to the IPMB IIC link number corresponding with the quantity of slot subsystem by the IICswitch on backboard IPMB IIC link, and IPMB IIC link is connected with the module one in subsystem.Remainder in multichannel IIC link is then given auxiliary IIC link and is used, namely auxiliary IIC link in Fig. 1.Auxiliary IIC link also can be expanded by the IIC switch on backboard, and auxiliary IIC link is expanded to the auxiliary IIC link number corresponding with number of slots, and auxiliary IIC link is connected with the module two in subsystem.The number of links of two groups of IIC is distributed can not be identical.In subsystem, module one and module two reset source each other, can be adopted and be connected by Reset reseting signal line, also can adopt the mode that in prior art, other reset mutually.
Wherein, division for the multichannel IIC link of IPMB management device can be arranged according to actual needs, the multichannel IIC link of existing IPMB management device common are seven roads and two kinds, eight tunnels situation, if the quantity of load subsystem is 10, then the division for multichannel IIC link can in the following way:
When multichannel IIC link is seven tunnel, then multichannel IIC link seven road Zhong five tunnel can be given IPMB to use, carry 2 subsystems are often organized after being expanded by IIC switch, in seven tunnels, remaining two-way then gives the use of auxiliary IIC link, often organizes carry 5 subsystems after being expanded by IIC switch.
When multichannel IIC link is eight tunnel, then multichannel IIC link eight road Zhong six tunnel can be given IPMB to use, carry 2 subsystems (now having two subsystems to have more than needed) are often organized after being expanded by IIC switch, in eight tunnels, remaining two-way then gives the use of auxiliary IIC link, expands Hou Mei road carry 5 subsystems by IIC switch.
When multichannel IIC link is eight tunnel, multichannel IIC link eight road Zhong five tunnel can also be given IPMB to use, carry 2 subsystems are often organized after being expanded by IIC switch, two-way in three tunnels remaining in eight tunnels is given auxiliary IIC link to use, expand Hou Mei road carry 5 subsystems by IIC switch, finally remain 1 tunnel and leave unused.
Those skilled in the art can adopt other different dividing mode as required and determine the number of carry subsystem, and the present invention is not restricted the chain k-path partition of multichannel IIC link and subsystem carry number etc.
Based on same inventive concept, present invention also offers a kind of management system of above-mentioned IIC link that utilizes and carry out the method resetted, concrete reseting procedure is as follows:
When the management system of above-mentioned IIC link is started working, IPMB administration module is by auxiliary IIC link, IPMB agreement or other self-defining agreements is used to read the information such as each slot subsystem ID from backboard, then according to id information, the subsystem of monitoring management information to each slot is sent by IPMB IIC link.Self-defining agreement mentioned here refer to those skilled in the art can IPMB agreement understand basis on modify to indivedual protocol contents wherein, self-defined, like this, compared to adopting the mode of IPMB agreement to adopt self-defining agreement more flexible.
When IPMB administration module operates, if the module one be connected with IPMB IIC link in subsystem does not respond IPMB IIC and operates, IPMB administration module can carry out the reset operation of IPMB IIC switch, to get rid of IIC switch abnormal problem on backboard by sending corresponding IPMB IIC switch on RESET reset command to backboard.If the module one be connected with IPMB IIC link in subsystem does not still respond IPMB IIC and operates, IPMB administration module then sends reset command by auxiliary IIC link, the module two be connected with auxiliary IIC link in this subsystem is ordered to send reset command, resetting not responding the module one be connected with IPMB IIC link in the subsystem of IPMB IIC operation, so just the related device module on IPMBIIC link all can be resetted.Same, also can by the module two be connected with auxiliary IIC link in the module one reflex sub-systems that is connected with IPMB IIC link in subsystem, also namely said above, two modules reset source each other.
Because IPMB consensus standard is more fixing, self-defining area protocol content wherein on the basis that user can understand in IPMB agreement, to use more flexible, when auxiliary IIC link uses self-defining agreement, because the agreement that IPMB IIC link, auxiliary IIC link use is different, the reliability of software also can be greatly improved.
As shown in Figure 2, the repositioning method that the present invention adopts is specially: first multichannel integrated circuit IIC link is divided into two groups, one group is IPMB link, one group is auxiliary IIC link, respectively two groups of links are expanded by the IIC switch on management system dorsulum, expand to multiple subsystem, in each subsystem, include two modules be connected with auxiliary IIC link with IPMB link respectively, during system starts, IPMB administration module first reads the id information of subsystems by auxiliary IIC link, then by IPMB link, monitoring management information is sent in subsystems according to obtained id information, and occur with IPMB link and the auxiliary IIC link module that wherein link is connected in subsystem abnormal or not operation response time, IPMB administration module sends reset command to IIC switch in the link of this model calling, if this IIC switch still not response command, IPMB administration module then utilizes the module be connected with another link in subsystem to occurring that module that is abnormal or not operation response sends reset command, to realize the reset operation to there is that abnormal module.
Adopt the management system of of the present invention pair of IIC link, the quantity of signal wire can be reduced, be specially:
System as shown in Figure 1, IPMB administration module comprises IPMB IIC link, auxiliary IIC link, two RESET signals to the signal of backboard, because IIC link needs use 2 signal wires, therefore IPMBIIC link and auxiliary IIC link respectively need 2 signal wires, IPMB administration module is to the signal wire six roots of sensation altogether of backboard, add GND ground wire, altogether seven signal wires.Subsystem is IPMB IIC link, auxiliary IIC link to the signal of backboard, and in like manner, totally four signal wires, add GND ground wire, are total up to five signal wires.Be 10 according to above-mentioned citing subsystem number, give IPMB when 5 tunnels of 7 road IPMB links to use, when the use of auxiliary IIC link is given on 2 tunnels, as long as the connector of such needs meets seven (connector one) signal pins, or five (connector two, three) signal pins, just can meet system requirements, and the restriction of the signal pins number of connector not acceptor system quantity, and then expand the type selecting scope of connector.
The management system of provided by the invention pair of IIC link and repositioning method thereof are mainly used on Super Rack Cabinet administration system.
The foregoing is only preferred embodiment of the present invention, be not limited to the present invention, all within the spirit and principles in the present invention, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (6)
1. a management system for two IIC link, comprises Intelligent Platform Management Bus IPMB administration module, backboard and several subsystems, it is characterized in that,
Backboard comprises several master integrated circuit bus multiplexer IIC switch and several auxiliary IC bus IIC switch, and described IPMB administration module is connected by IPMB link and RESET signal wire with master integrated circuit bus IIC switch respectively, be connected by assisting IIC link and RESET signal wire with auxiliary IC bus IIC switch; Described IPMB link is IPMB IIC link;
Each subsystem comprises two modules, these two modules reset source each other;
In each subsystem, a module is connected with the master integrated circuit bus IIC switch of on backboard by IPMB link, and another module is connected with the auxiliary IC bus IIC switch of on backboard by auxiliary IIC link.
2. management system as claimed in claim 1, it is characterized in that, described IPMB link is different from the host-host protocol that described auxiliary IIC link adopts.
3. utilize management system as claimed in claim 1 or 2 to carry out the method resetted, it is characterized in that, comprising:
Described IPMB administration module reads each subsystem id information by described auxiliary IIC link, and id information sends monitor message by each subsystem of described IPMB chain road direction accordingly;
When in certain subsystem there is exception with the module that described IPMB link is connected with a link in described auxiliary IIC link time, described IPMB administration module sends reset command by the module be connected with another link in this subsystem and occurs that abnormal module is to realize resetting to described.
4. repositioning method as claimed in claim 3, it is characterized in that, described when in certain subsystem there is exception with the module that described IPMB link is connected with a link in described auxiliary IIC link time, to be sent reset command by the module be connected with another link in this subsystem at described IPMB administration module and occur that abnormal module is with before realizing resetting, also comprises: described IPMB administration module transmission RESET signal is so that reset backboard to occur with described the IIC switch that the module of exception is connected to described.
5. repositioning method as claimed in claim 4, is characterized in that, when this IICswitch on reset backboard is successful, then thinks and resets successfully, terminate reset operation.
6. repositioning method as claimed in claim 4, is characterized in that, when this IICswitch on reset backboard is unsuccessful, then continues the described module occurring exception that resets.
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| CN201310265092.1A CN103399836B (en) | 2013-06-28 | 2013-06-28 | The management system of two IIC link and repositioning method thereof |
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| CN103399836B true CN103399836B (en) | 2015-09-23 |
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| US7016993B2 (en) * | 2002-12-17 | 2006-03-21 | Inventec Corporation | I2C MUX with anti-lock device |
| CN1983987A (en) * | 2006-05-12 | 2007-06-20 | 华为技术有限公司 | Monitor of rear card board in intelligent-platform management interface system |
| CN101257391A (en) * | 2008-04-21 | 2008-09-03 | 中兴通讯股份有限公司 | Single board managing method for miniature electric communication computing structure standard |
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| US20080126597A1 (en) * | 2006-08-15 | 2008-05-29 | Tyan Computer Corporation | Alternative Local Card, Central Management Module and System Management Architecture For Multi-Mainboard System |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7016993B2 (en) * | 2002-12-17 | 2006-03-21 | Inventec Corporation | I2C MUX with anti-lock device |
| CN1983987A (en) * | 2006-05-12 | 2007-06-20 | 华为技术有限公司 | Monitor of rear card board in intelligent-platform management interface system |
| CN101257391A (en) * | 2008-04-21 | 2008-09-03 | 中兴通讯股份有限公司 | Single board managing method for miniature electric communication computing structure standard |
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Effective date of registration: 20170125 Address after: The Liaodong Bay Area in Liaoning province Panjin City Shuguang Street 124000 No. 1 Patentee after: Dawning Information System (Liaoning) Co.,Ltd. Address before: 300384 Tianjin city Xiqing District Huayuan Industrial Zone (outer ring) Haitai Huake Street No. 15 1-3 Patentee before: DAWNING INFORMATION INDUSTRY Co.,Ltd. |
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Effective date of registration: 20220722 Address after: 124000 No.1, Shuguang street, Liaodongwan new area, Panjin, Liaoning Province Patentee after: Dawning Information System (Liaoning) Co.,Ltd. Patentee after: DAWNING INFORMATION INDUSTRY Co.,Ltd. Address before: 124000 No.1, Shuguang street, Liaodongwan new area, Panjin City, Liaoning Province Patentee before: Dawning Information System (Liaoning) Co.,Ltd. |