CN111315176B - Method and device for positioning nodes in cabinet - Google Patents
Method and device for positioning nodes in cabinet Download PDFInfo
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- CN111315176B CN111315176B CN202010132590.9A CN202010132590A CN111315176B CN 111315176 B CN111315176 B CN 111315176B CN 202010132590 A CN202010132590 A CN 202010132590A CN 111315176 B CN111315176 B CN 111315176B
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- 238000004590 computer program Methods 0.000 description 6
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- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000013024 troubleshooting Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1485—Servers; Data center rooms, e.g. 19-inch computer racks
- H05K7/1498—Resource management, Optimisation arrangements, e.g. configuration, identification, tracking, physical location
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Abstract
The invention discloses a method and a device for positioning nodes in a cabinet, wherein the method comprises the following steps: a plurality of metal plates which are loaded with a plurality of contacts and are grounded are respectively arranged in the areas of the cabinet which are in physical contact with each node; a plurality of elastic sheets corresponding to the plurality of contacts are respectively arranged at the positions where each node is contacted with the respective metal plate; selectively coating a blocking layer on the plurality of contacts according to the positions of the cabinet and the nodes, and enabling the pattern of the blocking layer on each metal plate to be unique; a plurality of clips are connected to the I2C translation chip to send the generated I2C signal to the BMC of the node, so that the BMC parses out the blocker pattern from the I2C signal to determine the location of the node. The invention can automatically position the nodes in the cabinet and improve the deployment flexibility, has simple structure, is convenient to maintain, reduces the cost and improves the reliability.
Description
Technical Field
The present invention relates to the field of computer technologies, and in particular, to a method and an apparatus for locating a node in a rack.
Background
With the rapid development of cloud computing and big data, more and more people experience the convenience brought by technology interconnection, and the life style is more and more diversified, but the requirements on the computing capacity and the storage capacity of a server are higher and higher, and the requirements on high-speed scheduling of data are higher and higher. In order to realize rapid deployment of servers, a plurality of server nodes are placed in a whole cabinet in the industry, unified scheduling management is performed, power supply and heat dissipation are centralized, and the optimal energy efficiency ratio of a machine room is realized.
When a plurality of nodes are placed in the cabinet, the nodes need to be identified by themselves and then uploaded to a management system through a Baseboard Management Controller (BMC) of the nodes, so that the information of the nodes is managed, such as repair reporting and the like. In the prior art, there are 3 methods for identifying node positions: firstly, storing node information in a cabinet node FRU (field replaceable unit), and reading the information of the FRU by a BMC (baseboard management controller) to acquire the position of the node; setting a management network of the nodes as static IP, namely, fixedly corresponding each IP in the network to one node, and acquiring the position of the node through an IP address; designing a cabinet back plate in the cabinet, and configuring different back plates to realize position identification.
For the first time, the positions of the server nodes in the cabinet must be fixed, the FRU needs to be brushed in advance before the computer lab is on line, each node is different, and the information of the FRU needs to be brushed again after the mainboard is replaced, so that the maintenance is very inconvenient. Secondly, the position of the server node in the cabinet needs to be fixed, and the operation of fixing the label information and the slot position information before the machine room is on line is complex. Thirdly, the production and installation of the back plate are complex and high in cost, the flexibility and the compatibility of the back plate are poor, and the space utilization of the cabinet is not favorable for heat dissipation.
Aiming at the problems of complex node positioning operation, poor flexibility, difficult maintenance, low reliability and the like in the prior art, no effective solution is available at present.
Disclosure of Invention
In view of this, an object of the embodiments of the present invention is to provide a method and an apparatus for locating a node in a cabinet, which can automatically locate the node in the cabinet and improve the flexibility of deployment, have a simple structure, are convenient to maintain, reduce the cost, and improve the reliability.
In view of the above object, a first aspect of the embodiments of the present invention provides a method for locating nodes in cabinets, including performing the following steps for each cabinet respectively:
a plurality of metal plates which are loaded with a plurality of contacts and are grounded are respectively arranged in the areas of the cabinet which are in physical contact with each node;
a plurality of elastic sheets corresponding to the plurality of contacts are respectively arranged at the positions where each node is contacted with the respective metal plate;
selectively coating a blocking layer on the plurality of contacts according to the positions of the cabinet and the nodes, and enabling the pattern of the blocking layer on each metal plate to be unique;
a plurality of clips are connected to an I2C (inter integrated circuit) conversion chip to send the generated I2C signal to the BMC of the node, so that the BMC parses the blocker pattern from the I2C signal to determine the location of the node.
In some embodiments, the blocking layer is selectively applied to the plurality of contacts depending on the location of the cabinet and the node, and patterning the blocking layer on each metal plate uniquely includes:
generating mutually different position codes of the nodes according to the positions of the nodes in the cabinet;
the position code is converted to a binary number and a blocking layer is applied over the contact locations characterizing a 0 or 1 among the plurality of contacts to express the position code using a blocking layer pattern.
In some embodiments, further comprising: a conductive layer is applied over the contact locations where the blocking layer is not applied.
In some embodiments, connecting a plurality of clips to the I2C conversion chip to send the generated I2C signal to the BMC of the node, such that the BMC parsing the blocker layer pattern from the I2C signal to determine the location of the node comprises:
connecting a plurality of elastic sheets to high levels through resistors respectively, and connecting the elastic sheets to corresponding input pins of an I2C conversion chip respectively;
enabling the I2C conversion chip to convert the input blocking layer pattern into an I2C signal to be sent to the BMC;
enabling the BMC to parse the blocker layer pattern from the I2C signal and determine the position code of the node.
In some embodiments, further comprising: when the position codes of the nodes which are different from each other are generated according to the positions of the nodes in the cabinet, generating second position codes of the nodes according to the positions of the cabinet;
the determined location of the node includes a location of the node in the cabinet and a location of the cabinet.
A second aspect of embodiments of the present invention provides an apparatus for locating nodes in cabinets, each cabinet comprising:
the plurality of metal plates are respectively arranged in the area of the cabinet, which is in physical contact with each node, and each metal plate carries a plurality of contacts and is grounded;
the plurality of spring plates are respectively arranged on the positions of the nodes, which are contacted with the respective metal plates, and correspond to the plurality of contacts;
a blocking layer selectively coated on the plurality of contacts according to the positions of the cabinet and the nodes, the blocking layer on each metal plate forming a unique blocking layer pattern;
an I2C translation chip connected to the plurality of clips for generating an I2C signal to send to the BMC of the node, such that the BMC parses out the blocker pattern from the I2C signal to determine the location of the node.
In some embodiments, forming a unique blocking layer pattern for the blocking layer on each metal plate comprises:
generating mutually different position codes of the nodes according to the positions of the nodes in the cabinet;
the position code is converted to a binary number and a blocking layer is applied over the contact locations characterizing a 0 or 1 among the plurality of contacts to express the position code using a blocking layer pattern.
In some embodiments, the apparatus further comprises: covering the conductive layer applied over the contact locations where the blocking layer is not applied.
In some embodiments, generating the I2C signal to send to the BMC of the node, such that the BMC parsing the blocker layer pattern from the I2C signal to determine the location of the node comprises:
connecting a plurality of elastic sheets to high levels through resistors respectively, and connecting the elastic sheets to corresponding input pins of an I2C conversion chip respectively;
enabling the I2C conversion chip to convert the input blocking layer pattern into an I2C signal to be sent to the BMC;
enabling the BMC to parse the blocker layer pattern from the I2C signal and determine the position code of the node.
In some embodiments, the location code further comprises a second location code of the node generated from the location of the cabinet; the determined location of the node includes a location of the node in the cabinet and a location of the cabinet.
The invention has the following beneficial technical effects: according to the method and the device for positioning the nodes in the cabinet, provided by the embodiment of the invention, a plurality of metal plates which are loaded with a plurality of contacts and are grounded are respectively arranged in the areas of the cabinet which are in physical contact with each node; a plurality of elastic sheets corresponding to the plurality of contacts are respectively arranged at the positions where each node is contacted with the respective metal plate; selectively coating a blocking layer on the plurality of contacts according to the positions of the cabinet and the nodes, and enabling the pattern of the blocking layer on each metal plate to be unique; the technical scheme that the plurality of elastic sheets are connected to the I2C conversion chip to send the generated I2C signal to the BMC of the node enables the BMC to analyze the blocking layer pattern from the I2C signal to determine the position of the node can automatically position the node in the cabinet and improve the deployment flexibility, the structure is simple, the maintenance is convenient, the cost is reduced, and the reliability is improved.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for locating a node in a cabinet according to the present invention;
fig. 2 is a schematic circuit diagram of a method for locating a node in a cabinet according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
In view of the above, a first aspect of the embodiments of the present invention provides an embodiment of a method capable of automatically positioning nodes in a cabinet and improving deployment flexibility. Fig. 1 is a schematic flow chart illustrating a method for locating a node in a cabinet according to the present invention.
The method for locating nodes in cabinets, as shown in fig. 1, includes performing the following steps for each cabinet respectively:
step S101: a plurality of metal plates which are loaded with a plurality of contacts and are grounded are respectively arranged in the areas of the cabinet which are in physical contact with each node;
step S103: a plurality of elastic sheets corresponding to the plurality of contacts are respectively arranged at the positions where each node is contacted with the respective metal plate;
step S105: selectively coating a blocking layer on the plurality of contacts according to the positions of the cabinet and the nodes, and enabling the pattern of the blocking layer on each metal plate to be unique;
step S107: a plurality of clips are connected to the I2C translation chip to send the generated I2C signal to the BMC of the node, so that the BMC parses out the blocker pattern from the I2C signal to determine the location of the node.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), a Random Access Memory (RAM), or the like. Embodiments of the computer program may achieve the same or similar effects as any of the preceding method embodiments to which it corresponds.
In some embodiments, the blocking layer is selectively applied to the plurality of contacts depending on the location of the cabinet and the node, and patterning the blocking layer on each metal plate uniquely includes:
generating mutually different position codes of the nodes according to the positions of the nodes in the cabinet;
the position code is converted to a binary number and a blocking layer is applied over the contact locations characterizing a 0 or 1 among the plurality of contacts to express the position code using a blocking layer pattern.
In some embodiments, further comprising: a conductive layer is applied over the contact locations where the blocking layer is not applied.
In some embodiments, connecting a plurality of clips to the I2C conversion chip to send the generated I2C signal to the BMC of the node, such that the BMC parsing the blocker layer pattern from the I2C signal to determine the location of the node comprises:
connecting a plurality of elastic sheets to high levels through resistors respectively, and connecting the elastic sheets to corresponding input pins of an I2C conversion chip respectively;
enabling the I2C conversion chip to convert the input blocking layer pattern into an I2C signal to be sent to the BMC;
enabling the BMC to parse the blocker layer pattern from the I2C signal and determine the position code of the node.
In some embodiments, further comprising: when the mutually different position codes of the nodes are generated according to the positions of the nodes in the cabinet, the second position codes of the nodes are also generated according to the positions of the cabinet. The determined location of the node includes a location of the node in the cabinet and a location of the cabinet.
The method disclosed according to an embodiment of the present invention may also be implemented as a computer program executed by a CPU (central processing unit), and the computer program may be stored in a computer-readable storage medium. The computer program, when executed by the CPU, performs the above-described functions defined in the method disclosed in the embodiments of the present invention. The above-described method steps and system elements may also be implemented using a controller and a computer-readable storage medium for storing a computer program for causing the controller to implement the functions of the above-described steps or elements.
The following further illustrates embodiments of the invention in terms of specific examples as shown in fig. 2.
Taking a 16-node cabinet as an example, a small metal plate is reserved on one side of the position of each node corresponding to the cabinet (depending on the mechanism design), and 4 contact points are reserved on the plate. These contact points may require either a varnish or a paper adhesive to be applied, or may require the metal surface to be exposed (conditions that allow for the addition of an oxidation resistant and conductive coating). These contact points are coated with an insulating varnish and the distribution of the exposed metal surface on the cabinet, as shown in the following table, where "□" represents the insulating contact "o" as the conductive contact.
4 corresponding metal elastic sheets are designed at the positions corresponding to the nodes, and when the nodes are completely inserted into the cabinet, the elastic sheets can automatically contact with contact points on the cabinet; when the elastic sheet contacts the conductive area, the level on the elastic sheet is a low level, otherwise, the level is a high level. These 4 contacts are soldered to the cables, which are then connected to the nodes. Referring to fig. 2, after the 4 signals are accessed to a PCA9544 chip (GPIO changes to I2C) on the node, the node is connected to the BMC of the motherboard through I2C, and the BMC can obtain the position of the node by reading the high and low levels of the 4 signals.
As can be seen from the foregoing embodiments, in the method for positioning nodes in a cabinet provided in an embodiment of the present invention, a plurality of metal plates, which carry a plurality of contacts and are grounded, are respectively disposed in regions of the cabinet that are in physical contact with each node; a plurality of elastic sheets corresponding to the plurality of contacts are respectively arranged at the positions where each node is contacted with the respective metal plate; selectively coating a blocking layer on the plurality of contacts according to the positions of the cabinet and the nodes, wherein the pattern of the blocking layer on each metal plate is unique; the technical scheme that the plurality of elastic sheets are connected to the I2C conversion chip to generate an I2C signal and send the signal to the BMC of the node enables the BMC to analyze a blocking layer pattern from the I2C signal to determine the position of the node can automatically position the node in the cabinet and improve deployment flexibility, the structure is simple, maintenance is facilitated, cost is reduced, and reliability is improved.
It should be particularly noted that the steps in the embodiments of the method for locating a node in a cabinet described above can be mutually intersected, replaced, added, or deleted, and therefore, these reasonable permutations and combinations of the method for locating a node in a cabinet should also fall within the scope of the present invention, and should not limit the scope of the present invention to the described embodiments.
In view of the above objects, a second aspect of embodiments of the present invention proposes an embodiment of an apparatus capable of performing automatic troubleshooting using a signal of high accuracy. Each cabinet all includes:
the plurality of metal plates are respectively arranged in the area of the cabinet, which is in physical contact with each node, and each metal plate carries a plurality of contacts and is grounded;
the plurality of spring plates are respectively arranged on the positions of the nodes, which are contacted with the respective metal plates, and correspond to the plurality of contacts;
a blocking layer selectively coated on the plurality of contacts according to the positions of the cabinet and the nodes, the blocking layer on each metal plate forming a unique blocking layer pattern;
an I2C translation chip connected to the plurality of clips for generating an I2C signal to send to the BMC of the node, such that the BMC parses out the blocker pattern from the I2C signal to determine the location of the node.
In some embodiments, forming a unique blocking layer pattern for the blocking layer on each metal plate comprises:
generating mutually different position codes of the nodes according to the positions of the nodes in the cabinet;
the position code is converted to a binary number and a blocking layer is applied over the contact locations characterizing a 0 or 1 among the plurality of contacts to express the position code using a blocking layer pattern.
In some embodiments, the apparatus further comprises: covering the conductive layer applied over the contact locations where the blocking layer is not applied.
In some embodiments, generating the I2C signal to send to the BMC of the node, such that the BMC parsing the blocker layer pattern from the I2C signal to determine the location of the node comprises:
connecting a plurality of elastic sheets to high levels through resistors respectively, and connecting the elastic sheets to corresponding input pins of an I2C conversion chip respectively;
enabling the I2C conversion chip to convert the input blocking layer pattern into an I2C signal to be sent to the BMC;
enabling the BMC to parse the blocker layer pattern from the I2C signal and determine the position code of the node.
In some embodiments, the location code further comprises a second location code of the node generated from the location of the cabinet; the determined location of the node includes a location of the node in the cabinet and a location of the cabinet.
As can be seen from the foregoing embodiments, in the apparatus for positioning nodes in a cabinet provided in an embodiment of the present invention, a plurality of metal plates, which carry a plurality of contacts and are grounded, are respectively disposed in a region of the cabinet that is in physical contact with each node; a plurality of elastic sheets corresponding to the plurality of contacts are respectively arranged at the positions where each node is contacted with the respective metal plate; selectively coating a blocking layer on the plurality of contacts according to the positions of the cabinet and the nodes, and enabling the pattern of the blocking layer on each metal plate to be unique; the technical scheme that the plurality of elastic sheets are connected to the I2C conversion chip to send the generated I2C signal to the BMC of the node enables the BMC to analyze the blocking layer pattern from the I2C signal to determine the position of the node can automatically position the node in the cabinet and improve the deployment flexibility, the structure is simple, the maintenance is convenient, the cost is reduced, and the reliability is improved.
It should be particularly noted that the above-mentioned embodiments of the apparatus for locating a node in a cabinet specifically describe the working process of each module by using the embodiments of the method for locating a node in a cabinet, and those skilled in the art can easily think that these modules are applied to other embodiments of the method for locating a node in a cabinet. Of course, since the steps in the embodiments of the method for locating nodes in a cabinet can be mutually intersected, replaced, added, or deleted, these reasonable permutations and combinations should also fall within the scope of the present invention, and should not limit the scope of the present invention to the embodiments.
The foregoing is an exemplary embodiment of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the present disclosure as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items. The numbers of the embodiments disclosed in the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to these examples; within the idea of an embodiment of the invention, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of an embodiment of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (6)
1. A method of locating a node in a cabinet, comprising performing the following steps for each cabinet:
a plurality of metal plates which are loaded with a plurality of contacts and are grounded are respectively arranged in the areas of the cabinet which are in physical contact with the nodes;
a plurality of elastic sheets corresponding to the plurality of contacts are respectively arranged at the positions where each node is contacted with the respective metal plate;
selectively applying a blocking layer over the plurality of contacts and making the pattern of blocking layer unique on each of the metal sheets according to the location of the cabinet and the node, comprising the steps of:
generating mutually different position codes of the nodes according to the positions of the nodes in the cabinet; and
converting the position code into a binary number and coating the blocking layer on a contact position representing 0 or 1 in the plurality of contacts to express the position code using the blocking layer pattern;
connecting the plurality of clips to an inter-integrated circuit (I2C) conversion chip to send the generated I2C signal to a baseboard control manager (BMC) of the node, such that the BMC parses a blocker layer pattern from the I2C signal to determine a location of the node, comprising the steps of:
connecting the plurality of elastic sheets to high levels through resistors respectively, and connecting the plurality of elastic sheets to corresponding input pins of the I2C conversion chip respectively;
enabling the I2C conversion chip to convert the input blocking layer pattern into an I2C signal to be sent to the BMC; and
causing the BMC to parse the blocker layer pattern from the I2C signal and determine the position code of the node.
2. The method of claim 1, further comprising: a conductive layer is applied to the contact locations where the blocking layer is not applied.
3. The method of claim 1, further comprising: when the position codes of the nodes which are different from each other are generated according to the positions of the nodes in the cabinet, generating second position codes of the nodes according to the positions of the cabinet;
the determined location of the node includes a location of the node in the cabinet and a location of the cabinet.
4. An apparatus for locating nodes in cabinets, each cabinet comprising:
a plurality of metal plates respectively arranged in the cabinet in a region physically contacting with each node, each metal plate carrying a plurality of contacts and being grounded;
the elastic sheets are respectively arranged on the positions, contacted with the metal plates, of the nodes, and correspond to the contacts;
a blocking layer selectively coated on a plurality of contacts according to the location of the cabinet and the nodes, the blocking layer on each of the metal plates forming a unique blocking layer pattern comprising:
generating mutually different position codes of the nodes according to the positions of the nodes in the cabinet; and
converting the position code into a binary number and coating the blocking layer on a contact position representing 0 or 1 in the plurality of contacts to express the position code using the blocking layer pattern;
an inter-integrated circuit (I2C) translation chip connected to the plurality of clips for generating an I2C signal to send to a baseboard control manager (BMC) of the node, such that the BMC parses a blocker layer pattern from the I2C signal to determine a location of the node, comprising:
connecting the plurality of elastic sheets to high levels through resistors respectively, and connecting the plurality of elastic sheets to corresponding input pins of the I2C conversion chip respectively;
enabling the I2C conversion chip to convert the input blocking layer pattern into an I2C signal to be sent to the BMC; and
causing the BMC to parse the blocker layer pattern from the I2C signal and determine the position code of the node.
5. The apparatus of claim 4, further comprising: a conductive layer overlying the contact locations not coated with the blocking layer.
6. The apparatus of claim 4, wherein a location code further comprises a second location code for the node generated from the location of the cabinet; the determined location of the node includes a location of the node in the cabinet and a location of the cabinet.
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| CN202010132590.9A CN111315176B (en) | 2020-02-29 | 2020-02-29 | Method and device for positioning nodes in cabinet |
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| CN202010132590.9A CN111315176B (en) | 2020-02-29 | 2020-02-29 | Method and device for positioning nodes in cabinet |
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| CN111865677B (en) | 2020-07-13 | 2022-11-04 | 苏州浪潮智能科技有限公司 | Device for identifying ID address of server node |
| CN112946777B (en) * | 2021-02-09 | 2023-05-05 | 山东英信计算机技术有限公司 | Server cabinet and data center |
| CN113032191A (en) * | 2021-03-05 | 2021-06-25 | 山东英信计算机技术有限公司 | Immersion type liquid cooling node identification method and server |
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| CN106357431A (en) * | 2016-08-30 | 2017-01-25 | 浪潮电子信息产业股份有限公司 | Position information setting method and device |
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