CN107133186B - Method for simultaneously communicating master TMC (remote control message), slave TMC (remote control message) and BMC (baseboard management controller) - Google Patents
Method for simultaneously communicating master TMC (remote control message), slave TMC (remote control message) and BMC (baseboard management controller) Download PDFInfo
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- CN107133186B CN107133186B CN201710340285.7A CN201710340285A CN107133186B CN 107133186 B CN107133186 B CN 107133186B CN 201710340285 A CN201710340285 A CN 201710340285A CN 107133186 B CN107133186 B CN 107133186B
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000012545 processing Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 8
- 238000011112 process operation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0016—Inter-integrated circuit (I2C)
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Abstract
The invention discloses a method for simultaneously communicating master TMC and slave TMC with BMC, which comprises the following steps: s1, the first box management controller firstly sends a control command forbidden by the access baseboard management controller to the second box management controller when the process of the access baseboard management controller starts, and the second box management controller receives the control command to skip the process execution of the access baseboard management controller; s2, delaying time T1; s3, the host box management control module executes the delay time T2 after the operation of accessing the baseboard management controller; and S4, the first case management controller sends a control command allowed by the access baseboard management controller to the second case management controller, and the second case management controller process restores the access to the baseboard management controller after judging that the control command allowed by the access baseboard management controller is received.
Description
Technical Field
The invention relates to the technical field of server management, in particular to a master-slave TMC and BMC communication method for solving the problem that a master-slave server management module accesses an i2c bus at the same time to cause blockage.
Background
With the increase of the computing demand of users on computers, the computing performance of a single computer is required to be higher and higher by the users. High-end servers have great advantages in computing performance and reliability over traditional servers and are becoming more and more popular in areas where real-time, reliability and availability are critical. The high-end server is a three-level Management structure of BMC, TMC and RMC, and the BMC managing each node is uniformly monitored by TMC (track Management controller) at the level of track, and TMC generally communicates with the BMC through i2c bus. In order to ensure the reliability of the system, the system adopts the backup structure design of the master TMC and the slave TMC, and the slave TMC can realize all functions of the master TMC. And under the condition that the main TMC is not in place or is down, the slave TMC replaces the main TMC to realize all functions of monitoring and managing the BMC.
Although the slave TMC acquires the node information from the master TMC through serial port communication under normal conditions, setting BMCIP, switching on and off, restarting BMC and other operations to be performed by the master TMC and the slave TMC separately, which causes that the master (slave) TMC may occupy the i2c bus to communicate with the BMC when the slave (master) TMC executes the above operations, so that the slave (master) TMC cannot normally use the i2c bus, the system card cannot return in the ioctrl () function, and further causes that the ipmimain process is continuously restarted overtime and the system crashes.
Disclosure of Invention
The invention aims to provide a method for simultaneously communicating master and slave TMC and BMC (baseboard management controller), and the method is used for avoiding system congestion and crash of a server management module caused by the fact that a master server management module (TMC) and a slave server management module (TMC) simultaneously access the BMC of the same node through an i2c bus. The reliability of the server management system can be greatly improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a master and slave TMC simultaneous and BMC communication method comprises the following steps:
s1, the first box management controller firstly sends a control command forbidden by the access baseboard management controller to the second box management controller when the process of the access baseboard management controller starts, and the second box management controller receives the control command to skip the process execution of the access baseboard management controller;
s2, setting the delay time to be T1, and turning to the step S3 after the delay of T1;
s3, the host box management control module sets the delay time to be T2 after executing the operation of accessing the baseboard management controller, and turns to the step S4 after the delay of T2;
and S4, the first case management controller sends a control command allowed by the access baseboard management controller to the second case management controller, and the second case management controller process restores the access to the baseboard management controller after judging that the control command allowed by the access baseboard management controller is received.
Further, the first casing management controller is a master casing management controller, and the second casing management controller is a slave casing management controller.
Further, the master cassette management controller sends a control command to the slave cassette management controller through the serial port session.
Further, the control command prohibited by the access baseboard management controller is an OEM command conforming to the ipmi standard, and the command processing function of the slave cassette management controller sets a flag variable to 1.
Further, the control command allowed by the access baseboard management controller is an OEM command conforming to the ipmi standard, and the command processing function of the slave cassette management controller sets the flag variable to 0.
Further, the first casing management controller is a slave casing management controller, and the second casing management controller is a master casing management controller.
Further, the slave cassette management controller sends a control command to the master cassette management controller through the serial port session.
Further, the control command prohibited by the access baseboard management controller is an OEM command conforming to the ipmi standard, and the command processing function of the host cassette management controller sets a flag variable to 1.
Further, the control command allowed by the access baseboard management controller is an OEM command conforming to the ipmi standard, and the command processing function of the host box management controller sets the flag variable to 0.
The beneficial effect of the invention is that,
the invention provides a method for solving the problem that one or even two TMC systems are crashed due to the blockage caused by the communication between the master TMC and the slave TMC and the BMC through the I2C bus. The method for suspending the use of the I2C bus by the slave (master) TMC when the master (slave) TMC occupies the I2C bus and communicates with the BMC by a mode of sending a command to the slave (master) TMC avoids the blockage caused by the fact that the master TMC and the slave TMC access one I2C bus at the same time, and can effectively solve the problems of TMC system crash and hang-up caused by the operations of setting the BMC IP, switching on and shutting down operation, TMC restarting and the like through the TMC.
Detailed Description
Example one
A master and slave TMC simultaneous and BMC communication method comprises the following steps:
s1, the master cassette management controller (master TMC) transmits a control command prohibited by the access BMC to the slave cassette management controller (slave TMC) through the serial port session when the access BMC process starts, where the control command prohibited by the access BMC is an OEM command conforming to the ipmi standard, and the command processing function of the slave cassette management controller (slave TMC) sets the flag variable to 1. After the slave cartridge management controller (slave TMC) judges that the flag variable is 1, the process operation of accessing a Baseboard Management Controller (BMC) through an I2C bus is skipped;
s2, delaying for 1 to 5 seconds;
s3, the host box management control module delays for one to five seconds after executing the operation of accessing a Baseboard Management Controller (BMC) through an I2C bus;
s4, the master magazine management controller (master TMC) sends a control command permitted to access the baseboard management controller (slave TMC) to the slave magazine management controller (slave TMC) via the serial port session, where the control command permitted to access the baseboard management controller is an OEM command conforming to the ipmi standard, and the command processing function setting flag variable of the slave magazine management controller (slave TMC) is 0. When the slave cartridge management controller (slave TMC) determines that the flag variable is 0, the access to the Baseboard Management Controller (BMC) via the I2C bus is resumed.
Example two
A master and slave TMC simultaneous and BMC communication method comprises the following steps:
s1, the slave magazine management controller (slave TMC) first transmits a control command prohibited from accessing the baseboard management controller (master TMC) to the master magazine management controller (master TMC) through the serial port session in the process of accessing the Baseboard Management Controller (BMC), where the control command prohibited from accessing the baseboard management controller is an OEM command conforming to the ipmi standard, and the command processing function setting flag variable of the master magazine management controller (master TMC) is 1. After the host cartridge receiver management controller (host TMC) judges that the flag variable is 1, skipping the process operation of accessing a Baseboard Management Controller (BMC) through an I2C bus;
s2, delaying for 1 to 5 seconds;
s3, delaying for one to five seconds after the slave casing management control module executes the operation of accessing a Baseboard Management Controller (BMC) through an I2C bus;
s4, the slave magazine management controller (slave TMC) sends a control command permitted to access the baseboard management controller (master TMC) to the master magazine management controller (master TMC) through the serial port session, where the control command permitted to access the baseboard management controller is an OEM command conforming to the ipmi standard, and the command processing function setting flag variable of the master magazine management controller (master TMC) is 0. And after the process of the host cartridge management controller (host TMC) judges that the flag variable is 0, the access to the Baseboard Management Controller (BMC) through the I2C bus is recovered.
Although the present invention has been described with reference to the specific embodiments, it should be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (9)
1. A master and slave TMC and BMC communication method is characterized by comprising the following steps:
s1, the first box management controller firstly sends a control command forbidden by the access baseboard management controller to the second box management controller when the process of the access baseboard management controller starts, and the second box management controller receives the control command to skip the process execution of the access baseboard management controller;
s2, setting the delay time to be T1, and turning to the step S3 after the delay of T1;
s3, after the first cassette management controller executes the operation of accessing the baseboard management controller, setting the delay time to be T2, and after the delay of T2, turning to the step S4;
and S4, the first case management controller sends a control command allowed by the access baseboard management controller to the second case management controller, and the second case management controller process restores the access to the baseboard management controller after judging that the control command allowed by the access baseboard management controller is received.
2. The method of claim 1, wherein the first cassette management controller is a master cassette management controller and the second cassette management controller is a slave cassette management controller.
3. The method of claim 2, wherein the master and slave TMC communication methods simultaneously communicate with the BMC, and wherein the master cassette management controller sends the control command to the slave cassette management controller through a serial session.
4. The method of claim 3, wherein the control command disabled by the access baseboard management controller is an OEM command conforming to the ipmi standard, and the command processing function of the slave cassette management controller sets a flag variable to 1.
5. The method of claim 3, wherein the control commands allowed by the access baseboard management controller are OEM commands conforming to the ipmi standard, and the command processing function of the slave cassette management controller sets a flag variable to 0.
6. The method of claim 1, wherein the first cassette management controller is a slave cassette management controller and the second cassette management controller is a master cassette management controller.
7. The method of claim 6, wherein the slave cassette management controller sends the control command to the master cassette management controller via a serial session.
8. The method of claim 7, wherein the control commands disabled by the access baseboard management controller are OEM commands conforming to ipmi standard, and the command processing function of the master box management controller sets a flag variable to 1.
9. The method of claim 7, wherein the control commands allowed by the access baseboard management controller are OEM commands conforming to ipmi standard, and the command processing function of the master box management controller sets a flag variable to 0.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710340285.7A CN107133186B (en) | 2017-05-15 | 2017-05-15 | Method for simultaneously communicating master TMC (remote control message), slave TMC (remote control message) and BMC (baseboard management controller) |
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| CN201710340285.7A CN107133186B (en) | 2017-05-15 | 2017-05-15 | Method for simultaneously communicating master TMC (remote control message), slave TMC (remote control message) and BMC (baseboard management controller) |
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| CN107133186B true CN107133186B (en) | 2020-02-07 |
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| CN108965382B (en) | 2018-05-31 | 2021-06-29 | 郑州云海信息技术有限公司 | File transfer method, device, equipment and medium based on BMC (baseboard management controller) |
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