CN112445311B - Multi-control system management board power supply method and device - Google Patents
Multi-control system management board power supply method and device Download PDFInfo
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Abstract
The invention discloses a standby power method and a standby power device for a management board of a multi-control system, wherein the standby power method comprises the following steps: step one, the main board sends four BBU _ discharge signals and standby power information to inform a BMC in the management board to process; secondly, 4 paths of power supplies of BBUs in the controller are transmitted to a management board; thirdly, the BMC judges the state of the heartbeat signal collected by the switch; step four, if the state is a normal state, entering a default mode, and if the state is an abnormal state, entering an abnormal condition processing mode; and fifthly, completing the standby power. Through the mode, the invention can carry out grouping and priority classification on the 4-path BBU to adapt to various emergency conditions.
Description
Technical Field
The invention relates to the field of hardware design, in particular to a standby power method and device for a management board of a multi-control system.
Background
The unified storage product is generally designed to be dual-control redundancy or four-control redundancy in order to enhance the reliability of the system, in the case of dual-control redundancy, a management scheme or a power supply scheme is relatively simple, and in the case of one-to-one redundancy design, however, in the case of four-control redundancy, centralized management of four controllers is required to be considered in both the management scheme and the power supply scheme. For convenience of management, a centralized management module is usually provided in a management scheme of four or more controllers, and the management module is also designed to be redundant, such a centralized management module is usually set to be 2, 1+1 redundant design, and each centralized management module manages all controllers correspondingly, so that when any one main control board fails, the management module needs to make a response and a judgment, and simultaneously, when a BBU is used for standby power, the control behavior of the management module is also consistent with that of the controller.
However, the management board needs to manage each controller correspondingly, each controller has a corresponding BBU module to perform standby power processing, the standby power of the management board cannot be controlled and managed, and when an emergency occurs, the standby power of the management board cannot be performed.
Disclosure of Invention
The invention mainly solves the technical problem of providing a mode capable of grouping and prioritizing 4 paths of BBUs to adapt to various burst conditions.
In order to solve the technical problems, the invention adopts a technical scheme that: the method for preparing the power for the management board of the multi-control system comprises the following steps: step one, the main board sends out standby power information to inform a BMC in the management board to process; secondly, the power supply of a baseband processing unit in the controller is transmitted to the first management board and the second management board; thirdly, the BMC judges the state of the heartbeat signal collected by the switch chip; step four, if the state is a normal state, entering a default mode, and if the state is an abnormal state, entering an abnormal condition processing mode; and fifthly, completing the standby power.
Further, in the second step, the power supply of the baseband processing unit includes a power supply of the first baseband processing unit, a power supply of the second baseband processing unit, a power supply of the third baseband processing unit, and a power supply of the fourth baseband processing unit.
Further, in the second step, when the power of the baseband processing unit is transmitted to the management board, priority grouping is performed on the power of the baseband processing unit first, the power of the first baseband processing unit and the power of the second baseband processing unit are first groups, and the first management board is powered on; the power priority of the first baseband processing unit is higher than that of the second baseband processing unit; the power supply of the third baseband processing unit and the power supply of the fourth baseband processing unit are grouped into a second group, and the second management board is powered on; the power priority of the third baseband processing unit is higher than that of the fourth baseband processing unit; the first packet is prioritized over the second packet.
Further, in the third step, the BMC determines that the status of the heartbeat signal collected by the switch chip is normal if there are four heartbeat signals and each heartbeat is normal, and otherwise, it is abnormal.
Further, the default mode is that when abnormal power failure occurs, power supply of the baseband processing unit is used for standby power supply, the first management board is powered by the power supply of the first baseband processing unit, and the second management board is powered by the power supply of the third baseband processing unit, so that a standby power supply process is completed.
Further, the exception condition handling modes include a first exception condition handling mode, a second exception condition handling mode, and a third exception condition handling mode.
Further, the first abnormal condition processing mode includes that if three controllers are inserted into the system, the BMC judges according to the state of the heartbeat signal, performs grouping, and searches for a power supply according to a priority order.
Further, the second abnormal situation processing mode is to distinguish two situations if two controllers are inserted into the system, the first is to allocate the two controllers according to the priority if the two inserted controllers are in the same group, and the second is to reserve power according to the original set grouping and the priority of the power supply if the two inserted controllers are in different groups.
Further, the third abnormal situation processing mode is that in an environment of four controllers, when three controllers are shut down due to a fault in an operation process, the BMC of the management board detects that the power supply of the PSU is always maintained when the BMC detects that the four controllers do not start to be powered on, and when the BMC detects that the four controllers start to be powered on, the power supply of the baseband processing unit is selected and used according to an originally set power supply standby flow.
A multi-control system management board power supply device comprises: a main board and a management board; the main board is connected with the management board; the management board is provided with a switch chip, a PHY (physical layer), a BMC (baseboard management controller), a first management board and a second management board; MOS and combiner control modules are arranged in the first management board and the second management board; a controller is arranged in the main board; the controller transmits the power supply of the BBU to the management board; the switch chip receives a network signal transmitted by the controller and is used as a heartbeat signal; the switch chip is connected with the PHY through a serdes deserializer; the PHY is connected to the BMC through RGMII; the BMC receives a heartbeat signal sent by a switch chip through the PHY; the BMC receives power supply information sent by the mainboard; the BMC sends a control signal to the MOS of the first management board and the MOS of the second management board; the MOS receives a power supply of the BBU sent by the mainboard; the MOS controls the power supply of the BBU according to the control signal sent by the BMC; and the combiner control receives the power supply of the BBU transmitted by the MOS and supplies the power supply of the BBU to the first management board and the second management board.
The beneficial effects of the invention are: the invention collects and manages the power supply of BBUs through the management board in a centralized way, selects which BBU to use for supplying power under the condition of standby power by judging the in-place state and the running state of the controller, and adapts to various emergency conditions by grouping and prioritizing 4 BBUs.
Drawings
FIG. 1 is a flow chart of a preferred embodiment of a power backup method for a multi-control system management board according to the present invention;
FIG. 2 is a diagram of a backup device architecture of a multi-control system management board according to the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1 and 2, an embodiment of the present invention includes:
referring to fig. 1, a power backup method for a management board of a multi-control system includes: step one, the main board sends four BBU _ discharge signals and standby power information to inform a BMC in the management board to process; secondly, 4 paths of power supplies of BBUs in the controller are transmitted to a management board; thirdly, the BMC judges the state of the heartbeat signal collected by the switch chip; step four, if the state is a normal state, entering a default mode, and if the state is an abnormal state, entering an abnormal condition processing mode; and fifthly, completing the standby power.
The management board comprises a first management board and a second management board.
In the second step, the power supplies of the 4 BBU circuits comprise a BBU1 power supply, a BBU2 power supply, a BBU3 power supply and a BBU4 power supply; when the power supplies of the 4 paths of BBUs are transmitted to the management board, priority grouping needs to be carried out on the power supplies of the 4 paths of BBUs, the BBU1 power supply and the BBU2 power supply are first groups, and the first management board is powered on; wherein the BBU1 power supply has a higher priority than the BBU2 power supply; the BBU3 power supply and the BBU4 power supply are in a second group, and the second management board is powered on; wherein the BBU3 power supply has a higher priority than the BBU4 power supply; the first packet is prioritized over the second packet.
The BBU is a baseband processing unit, and the power supply of the BBU of each controller can be gathered on the backboard and needs to be supplied to the mainboard and the IO card and the management card at the rear end when standby power is supplied.
In the third step, the BMC judges the state of the heartbeat signal collected by the switch chip, wherein the state is a normal state if 4 heartbeats exist and each heartbeat is normal after the boot is started, and the state is an abnormal state if not.
If abnormal power failure occurs, starting power supply backup of the BBU, wherein the first management board is powered by the power supply of the BBU1, the second management board is powered by the power supply of the BBU3, and the power supply backup process is completed; and if the abnormal power failure does not occur, the PSU power supply is used for supplying power.
The PSU power supply is a power supply and is responsible for converting standard alternating current into low-voltage stable direct current for other components in the system.
The exception condition handling modes include a first exception condition handling mode, a second exception condition handling mode, and a third exception condition handling mode.
The first abnormal condition processing mode is that if 3 controllers are inserted into the system, the BMC needs to judge through heartbeat, judge which controller is not in place, and then search downward for the power supply of the BBU that can be used according to the priority order in the corresponding group, for example, if the first controller is not inserted, the second controller, the third controller, and the fourth controller are inserted, the first management board uses the power supply of the BBU2 in the first group of groups to prepare power for the management board.
The second abnormal situation processing mode is to distinguish two situations if only 2 controllers are inserted into the system, the first is whether the two inserted controllers are in the same group, if so, the 2 control boards all need to use the power supplies of the BBU of the group and allocate one by one according to the priority, and the second is to refer to the first abnormal situation processing mode and use the power supplies according to the original grouping and the priority of the power supplies of the BBU if not in the same group.
The third exception condition handling mode is in an environment of 4 controllers, three controllers may be allowed to be in error out of 4 controllers, i.e., 4 controllers are plugged in normally, but a maximum of 3 controllers are allowed to fail down during operation, when this occurs, the BMCs of the 2 management boards make a decision, and in all of the above cases, an AC fault occurs, and all controllers in place enter a power-standby mode together, but when the BMC detects that not 4 controllers are starting power-standby at the same time, at this moment, the problem of the PSU power supply is not solved, but only the standby power caused by the problem of a single board of a certain controller is solved, at this moment, the two control boards do not need to switch the power supply of the BBU and the power supply of the PSU, the PSU is always powered, and only when 4 controllers are detected to start standby power, the power supply of the BBU is started to be selected according to the originally set standby power flow.
The PSU power supply is a power supply and is responsible for converting standard alternating current into low-voltage stable direct current for other components in the system.
Referring to fig. 2, based on the same inventive concept as the power backup method for the multi-control system management board in the foregoing embodiment, an embodiment of the present specification further provides a power backup device for a multi-control system management board, including: a main board and a management board; the main board is connected with the management board; the management board is provided with a switch chip, a PHY (physical layer), a BMC (baseboard management controller), a first management board and a second management board; MOS and combiner control modules are arranged in the first management board and the second management board; a controller is arranged in the main board; the controller transmits the power supply of the BBU to the management board; the switch chip receives a network signal transmitted by the controller and is used as a heartbeat signal; the switch chip is connected with the PHY through a serdes deserializer; the PHY is connected to the BMC through RGMII; the BMC receives the heartbeat signals sent by the switch chip through the PHY and knows whether the heartbeat signals of each controller are normal or not, so that the conditions of whether the controllers run normally or not, whether the controllers are inserted or not and the like can be judged, and the capability of managing each controller is achieved; the BMC receives power supply standby power information sent by the mainboard; the BMC sends a control signal to the MOS of the first management board and the MOS of the second management board; the MOS receives a power supply of the BBU sent by the mainboard; the MOS controls the power supply of the BBU according to the control signal sent by the BMC; and the combiner control receives the power supply of the BBU transmitted by the MOS and supplies the power supply of the BBU to the first management board and the second management board.
SERDES is an acronym for SERializer/DESerializer. It is a mainstream Time Division Multiplexing (TDM), point-to-point (P2P) serial communication technology. That is, a plurality of low-speed parallel signals are converted into high-speed serial signals at a transmitting end, and the high-speed serial signals are converted into low-speed parallel signals again at a receiving end through a transmission medium (an optical cable or a copper wire). The point-to-point serial communication technology fully utilizes the channel capacity of a transmission medium, reduces the number of required transmission channels and device pins, and improves the transmission speed of signals, thereby greatly reducing the communication cost.
RGMII (Reduced Gigabit Media Independent interface) is Reduced GMII (Gigabit Media Independent interface). RGMII employs a 4-bit data interface, operates at 125MHz, and transmits data on both rising and falling edges for communication between the BMC and PHY.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A power supply method for a management board of a multi-control system is characterized by comprising the following steps: step one, the main board sends out standby power information to inform a BMC in the management board to process; secondly, the power supply of a baseband processing unit in the mainboard controller is transmitted to a management board; thirdly, the BMC judges the state of the heartbeat signal collected by the switch chip; step four, if the state is a normal state, entering a default mode, and if the state is an abnormal state, entering an abnormal condition processing mode; fifthly, completing power standby;
the exception condition handling modes include a first exception condition handling mode, a second exception condition handling mode, and a third exception condition handling mode;
the first abnormal condition processing mode comprises that if three controllers are inserted into the system, the BMC judges through the state of the heartbeat signal, groups the heartbeat signal, and searches for a power supply according to a priority order;
the second abnormal condition processing mode is to distinguish two conditions if two controllers are inserted into the system, wherein the first condition is that the two inserted controllers are in the same group and are distributed according to priority, and the second condition is that the two inserted controllers are in different groups and are provided with power according to the original set grouping and the priority of the power supply;
the third abnormal condition processing mode is that under the environment of four controllers, when three controllers are in fault shutdown in the running process, the BMC of the management board detects that the power supply of the PSU is always kept when the BMC detects that the four controllers do not start to be powered on, and when the BMC detects that the four controllers start to be powered on, the power supply of the baseband processing unit is selected to be used according to the originally set power supply standby flow.
2. The power standby method of the management board of the multi-control system according to claim 1, wherein: in the second step, the power supply of the baseband processing unit includes a power supply of the first baseband processing unit, a power supply of the second baseband processing unit, a power supply of the third baseband processing unit, and a power supply of the fourth baseband processing unit, and the management board includes a first management board and a second management board.
3. The power standby method of the management board of the multi-control system according to claim 2, wherein: in the second step, when the power supply of the baseband processing unit is transmitted to the management board, priority grouping is firstly carried out on the power supply of the baseband processing unit, the power supply of the first baseband processing unit and the power supply of the second baseband processing unit are first groups, and the first management board is powered on; the power priority of the first baseband processing unit is higher than that of the second baseband processing unit; the power supply of the third baseband processing unit and the power supply of the fourth baseband processing unit are grouped into a second group, and the second management board is powered on; the power priority of the third baseband processing unit is higher than that of the fourth baseband processing unit; the first packet is prioritized over the second packet.
4. The power standby method of the management board of the multi-control system according to claim 1, wherein: in the third step, the BMC judges whether the state of the heartbeat signal collected by the switch chip is a normal state if four heartbeat signals exist and each heartbeat is normal, or an abnormal state if the state of the heartbeat signal collected by the switch chip is abnormal.
5. The power standby method of the management board of the multi-control system according to claim 2, wherein: the default mode is that when abnormal power failure occurs, power supply of the baseband processing unit is used for standby power supply, the first management board is powered by the power supply of the first baseband processing unit, and the second management board is powered by the power supply of the third baseband processing unit, so that a standby power supply process is completed.
6. A multi-control system management board power backup device using the method of any one of claims 1-5, comprising: a main board and a management board; the main board is connected with the management board; the management board is provided with a switch chip, a PHY (physical layer), a BMC (baseboard management controller), a first management board and a second management board; MOS and combiner control modules are arranged in the first management board and the second management board; a controller is arranged in the main board; the controller transmits the power supply of the BBU to the management board; the switch chip receives the network signal transmitted by the controller as a heartbeat signal; the switch chip is connected with the PHY through a serdes deserializer; the PHY is connected to the BMC through RGMII; the BMC receives a heartbeat signal sent by a switch chip through the PHY; the BMC receives power supply standby power information sent by the mainboard; the BMC sends a control signal to the MOS in the first management board and the MOS in the second management board; the MOS receives a power supply of the BBU sent by the mainboard; the MOS controls the power supply of the BBU according to the control signal sent by the BMC; and the combiner control receives the power supply of the BBU transmitted by the MOS and supplies the power supply of the BBU to the first management board and the second management board.
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