CN106502355A - A kind of Rack server power supplies inlet temperature acquisition methods - Google Patents
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Abstract
本发明公开了一种Rack服务器电源进风温度获取方法，Rack服务器电源模块位于机柜前端，风流方向为“前进后出”，所述电源模块通过I2C获取电源内部进风温度传感器反馈值和RMC发送来的整机柜最高节点进风温度，当内部进风温度传感器正常工作时，电源模块采用进风温度传感器反馈值作为进风温度；当内部进风温度传感器失效时，电源模块将采用整机柜最高节点进风温度作为自身进风温度。本发明方法可以在电源模块进风温度传感器出现异常时，电源风扇仍然按照环境温度的条件进行转速调节，避免内部元器件过温或功耗浪费。
The invention discloses a method for obtaining the air inlet temperature of a Rack server power supply. The Rack server power supply module is located at the front end of the cabinet, and the airflow direction is "forward and then out". The highest node inlet air temperature of the whole cabinet from the source. When the internal air inlet temperature sensor works normally, the power module uses the feedback value of the inlet air temperature sensor as the inlet air temperature; when the internal air inlet temperature sensor fails, the power module uses the The highest node inlet air temperature of the cabinet is used as its own air inlet temperature. The method of the invention can adjust the rotating speed of the power supply fan according to the ambient temperature when the air inlet temperature sensor of the power supply module is abnormal, so as to avoid overheating of internal components or waste of power consumption.
Description
技术领域technical field
本发明涉及服务器供电技术领域，具体涉及一种Rack服务器电源进风温度获取方法。The invention relates to the technical field of server power supply, in particular to a method for acquiring the air inlet temperature of a Rack server power supply.
背景技术Background technique
管理主板（RMC）是大型服务器Smart Rack的管理中心，负责系统内节点管理、电源管理、风扇管理。主要设计包括节点基于IPMB规范的带外管理，AC/DC电源基于PMBUS协议的管理、基于I2C的风扇转速调节和风量补偿调节等功能管理。管理设计中采用了二级管理的方式，RMC为第一级管理，节点中板为第二级管理。管理系统由RMC（实现系统的监控、管理、告警），节点中板（实现所有节点的带外监控、二级管理、告警上报、风扇监控），节点风扇（集成在各个节点上，负责子系统级的状态实时监控、故障诊断、功耗检测等）以及I2C、IPMB、管理网络等组成。RMC通过I2C与节点中板通信，通过对10个节点中板（二级管理系统）的监测、控制实现整个系统的监控、管理。节点中板通过I2C/IPMB与各节点的风扇及二级电源板、供电转接板、风扇控制板互联，实现对整个系统的带外的实时监控、管理功能。风扇通过多路I2C总线与各节点内部的被监控芯片、部件相连，负责节点资产管理、实时监控，故障诊断。The management board (RMC) is the management center of the large-scale server Smart Rack, responsible for node management, power management, and fan management in the system. The main design includes out-of-band management of nodes based on IPMB specification, management of AC/DC power supply based on PMBUS protocol, I2C-based fan speed adjustment and air volume compensation adjustment and other function management. The management design adopts the two-level management method, the RMC is the first-level management, and the node mid-plane is the second-level management. The management system consists of RMC (realizing system monitoring, management, and alarming), node mid-board (realizing out-of-band monitoring, secondary management, alarm reporting, and fan monitoring of all nodes), and node fans (integrated on each node, responsible for subsystem Level status real-time monitoring, fault diagnosis, power consumption detection, etc.) and I2C, IPMB, management network, etc. RMC communicates with the node mid-board through I2C, and realizes the monitoring and management of the entire system by monitoring and controlling the 10 node mid-boards (secondary management system). The middle board of the node is interconnected with the fans of each node, the secondary power supply board, the power supply adapter board, and the fan control board through I2C/IPMB, so as to realize the out-of-band real-time monitoring and management functions of the entire system. The fans are connected to the monitored chips and components inside each node through multiple I2C buses, and are responsible for node asset management, real-time monitoring, and fault diagnosis.
天蝎标准Rack服务器以对环境要求低、部署方便、成本低等优点在数据中心中占据了越来越大的份额。Rack服务器采用集中供电的方式，机柜中间的3U空间放置电源框和电源模块。电源模块通常在进风口的位置放置温度传感器，以此获取环境温度。环境温度是电源调节自身风扇转速的重要因素，当环境温度高时，电源风扇转速提高，避免内部元器件过温；当环境温度低时，电源风扇转速降低，减小服务器噪音，避免功耗浪费。一旦温度传感器失效，电源风扇将失去环温的调控，存在内部元器件过温的风险。Scorpio standard Rack servers occupy an increasing share in data centers due to their low environmental requirements, convenient deployment, and low cost. The Rack server adopts centralized power supply mode, and the 3U space in the middle of the cabinet is used for placing the power frame and power module. The power module usually places a temperature sensor at the air inlet to obtain the ambient temperature. The ambient temperature is an important factor for the power supply to adjust its own fan speed. When the ambient temperature is high, the fan speed of the power supply increases to avoid overheating of internal components; when the ambient temperature is low, the fan speed of the power supply decreases to reduce server noise and avoid power consumption waste. . Once the temperature sensor fails, the power supply fan will lose control of the ambient temperature, and there is a risk of overheating of internal components.
和通用服务器不同，天蝎标准Rack服务器电源模块放置于机柜前端。机柜节点区域和电源区域的风向均为“前进后出”，所以电源监测到的环境温度和整机柜节点监测的环境温度几乎一致。在目前的天蝎标准中，并没有定义节点与电源之间的通信。Different from general servers, Scorpio standard Rack server power modules are placed at the front of the cabinet. The wind direction of the cabinet node area and the power supply area is "forward, rear out", so the ambient temperature monitored by the power supply is almost the same as the ambient temperature monitored by the nodes of the entire cabinet. In the current Scorpio standard, the communication between nodes and power sources is not defined.
发明内容Contents of the invention
本发明要解决的技术问题是：本发明针对以上问题，提供一种Rack服务器电源进风温度获取方法。当电源进风温度传感器出现异常时，可以读取节点主板上进风温度传感器数值，保证电源风扇按照内部逻辑正常调控，避免内部元器件过温。The technical problem to be solved by the present invention is: aiming at the above problems, the present invention provides a method for obtaining the air inlet temperature of a Rack server power supply. When the power inlet temperature sensor is abnormal, the value of the inlet temperature sensor on the node motherboard can be read to ensure that the power supply fan is normally regulated according to the internal logic to avoid overheating of internal components.
本发明所采用的技术方案为：The technical scheme adopted in the present invention is:
一种Rack服务器电源进风温度获取方法， Rack服务器电源模块位于机柜前端，且风流方向为“前进后出”，其进风温度传感器监测的是机房冷通道的环境温度，在同一时间，和节点进风温度传感器监测温度一致，两者具有替代性；A method for obtaining the air inlet temperature of a Rack server power supply. The Rack server power supply module is located at the front of the cabinet, and the airflow direction is "forward and then out". The air inlet temperature sensor monitors the ambient temperature of the cold aisle in the computer room. The inlet air temperature sensor monitors the same temperature, and the two are alternatives;
所述电源模块同时通过I2C获取电源内部进风温度传感器反馈值和RMC发送来的整机柜最高节点进风温度，当内部进风温度传感器正常工作时，电源模块采用其反馈值作为进风温度；当内部进风温度传感器失效时，电源模块将采用整机柜最高节点进风温度作为自身进风温度。The power module simultaneously obtains the feedback value of the internal air inlet temperature sensor of the power supply and the highest node air inlet temperature of the whole cabinet sent by the RMC through I2C. When the internal air inlet temperature sensor is working normally, the power module uses its feedback value as the air inlet temperature ; When the internal air inlet temperature sensor fails, the power module will use the highest node air inlet temperature of the entire cabinet as its own air inlet temperature.
机柜电源模块通过获取机柜节点的进风口温度，可以在电源进风温度传感器失效的情况下，仍然能够获取环境温度，使风扇按照固有逻辑进行调速。The cabinet power module obtains the temperature of the air inlet of the cabinet node, and can still obtain the ambient temperature when the power supply air inlet temperature sensor fails, so that the fan speed can be adjusted according to the inherent logic.
在服务器单节点中，BMC通过I2C实时获取位于主板前端的温度传感器反馈值，作为节点进风温度；然后通过I2C将进风温度值发送给对应的节点中板。In a server single node, the BMC obtains the feedback value of the temperature sensor located at the front end of the motherboard in real time through I2C as the node inlet air temperature; then sends the inlet air temperature value to the corresponding node middle board through I2C.
在Rack服务器中，一个节点中板对应1~4个节点，节点中板将所对应全部节点的进风温度通过I2C发送给机柜管理模块RMC；RMC对整机柜节点的进风温度进行对比，将最大值通过PM_Bus发送给服务器电源模块。通过这种方式，电源模块即获得了备用进风温度数据。In the Rack server, a node middle board corresponds to 1 to 4 nodes, and the node middle board sends the inlet air temperature of all nodes corresponding to it to the rack management module RMC through I2C; the RMC compares the inlet air temperature of the entire rack node, Send the maximum value to the server power module through PM_Bus. In this way, the power module obtains the standby air inlet temperature data.
本发明的有益效果为：The beneficial effects of the present invention are:
本发明方法可以在电源模块进风温度传感器出现异常时，电源风扇仍然按照环境温度的条件进行转速调节，避免内部元器件过温或功耗浪费。The method of the invention can adjust the speed of the power supply fan according to the ambient temperature when the air inlet temperature sensor of the power supply module is abnormal, so as to avoid overheating of internal components or waste of power consumption.
本发明可以保证在进风温度传感器失效的情况下，电源FW可以读取节点主板上进风温度传感器数值，使电源风扇按照内部逻辑正常调控，避免内部元器件过温，提高电源和整机柜运行的稳定性。The invention can ensure that in the case of failure of the air inlet temperature sensor, the power supply FW can read the value of the air inlet temperature sensor on the main board of the node, so that the power supply fan can be adjusted normally according to the internal logic, avoiding the overheating of internal components, and improving the operation of the power supply and the whole cabinet stability.
附图说明Description of drawings
图1为本发明电源与节点通信示意图；Fig. 1 is a schematic diagram of power supply and node communication of the present invention;
图2为电源进风温度获取流程示意图。Fig. 2 is a schematic diagram of the process of obtaining the inlet air temperature of the power supply.
具体实施方式detailed description
下面根据说明书附图，结合具体实施方式对本发明进一步说明：The present invention will be further described below in conjunction with specific embodiments according to the accompanying drawings of the description:
实施例1：Example 1:
一种Rack服务器电源进风温度获取方法， Rack服务器电源模块位于机柜前端，且风流方向为“前进后出”，其进风温度传感器监测的是机房冷通道的环境温度，在同一时间，和节点进风温度传感器监测温度一致，两者具有替代性；A method for obtaining the air inlet temperature of a Rack server power supply. The Rack server power supply module is located at the front of the cabinet, and the airflow direction is "forward and then out". The air inlet temperature sensor monitors the ambient temperature of the cold aisle in the computer room. The inlet air temperature sensor monitors the same temperature, and the two are alternatives;
所述电源模块同时通过I2C获取电源内部进风温度传感器反馈值和RMC发送来的整机柜最高节点进风温度，当内部进风温度传感器正常工作时，电源模块采用其反馈值作为进风温度；当内部进风温度传感器失效时，电源模块将采用整机柜最高节点进风温度作为自身进风温度。The power module simultaneously obtains the feedback value of the internal air inlet temperature sensor of the power supply and the highest node air inlet temperature of the whole cabinet sent by the RMC through I2C. When the internal air inlet temperature sensor is working normally, the power module uses its feedback value as the air inlet temperature ; When the internal air inlet temperature sensor fails, the power module will use the highest node air inlet temperature of the entire cabinet as its own air inlet temperature.
机柜电源模块通过获取机柜节点的进风口温度，可以在电源进风温度传感器失效的情况下，仍然能够获取环境温度，使风扇按照固有逻辑进行调速。The cabinet power module obtains the temperature of the air inlet of the cabinet node, and can still obtain the ambient temperature when the power supply air inlet temperature sensor fails, so that the fan speed can be adjusted according to the inherent logic.
实施例2Example 2
如图1所示，在实施例1的基础上，本实施例在服务器单节点中，BMC通过I2C实时获取位于主板前端的温度传感器反馈值，作为节点进风温度；然后通过I2C将进风温度值发送给对应的节点中板。As shown in Figure 1, on the basis of Embodiment 1, in this embodiment, in the single node of the server, the BMC obtains the feedback value of the temperature sensor located at the front end of the motherboard through I2C in real time as the node inlet air temperature; The value is sent to the corresponding node midplane.
实施例3Example 3
在实施例1或2的基础上，本实施例在Rack服务器中，一个节点中板对应1~4个节点，节点中板将所对应全部节点的进风温度通过I2C发送给机柜管理模块RMC；RMC对整机柜节点的进风温度进行对比，将最大值通过PM_Bus发送给服务器电源模块。通过这种方式，电源模块即获得了备用进风温度数据。On the basis of Embodiment 1 or 2, in this embodiment, in the Rack server, one node middle board corresponds to 1 to 4 nodes, and the node middle board sends the inlet air temperature of all corresponding nodes to the cabinet management module RMC through I2C; The RMC compares the inlet air temperature of the nodes in the entire cabinet, and sends the maximum value to the server power module through the PM_Bus. In this way, the power module obtains the standby air inlet temperature data.
实施例4Example 4
如图2所示，电源FW通过I2C同时获取电源进风温度传感器的反馈值Inlet_Temp_PSU和RMC发送来的整机柜最高节点进风温度Inlet_Temp_Backup；电源FW会对进风温度传感器状态进行判断，在传感器正常工作的情况下，电源采用Inlet_Temp_PSU作为进风温度；在传感器出现异常，无法反馈环境温度的情况下，电源采用Inlet_Temp_Backup作为进风温度。As shown in Figure 2, the power supply FW obtains the feedback value Inlet_Temp_PSU of the power supply inlet temperature sensor and the highest node inlet temperature Inlet_Temp_Backup sent by the RMC through I2C at the same time; the power supply FW will judge the status of the inlet temperature sensor. Under normal working conditions, the power supply uses Inlet_Temp_PSU as the inlet air temperature; when the sensor is abnormal and cannot feedback the ambient temperature, the power supply uses Inlet_Temp_Backup as the inlet air temperature.
实施方式仅用于说明本发明，而并非对本发明的限制，有关技术领域的普通技术人员，在不脱离本发明的精神和范围的情况下，还可以做出各种变化和变型，因此所有等同的技术方案也属于本发明的范畴，本发明的专利保护范围应由权利要求限定。The embodiments are only used to illustrate the present invention, rather than to limit the present invention. Those of ordinary skill in the relevant technical field can also make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent The technical solution also belongs to the category of the present invention, and the scope of patent protection of the present invention should be defined by the claims.
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