CN111008113A - SAS-Expander test method and tool - Google Patents
SAS-Expander test method and tool Download PDFInfo
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- 238000012360 testing method Methods 0.000 claims abstract description 73
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- 238000004458 analytical method Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 abstract description 7
- 238000013024 troubleshooting Methods 0.000 abstract description 7
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- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000007726 management method Methods 0.000 description 4
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3089—Monitoring arrangements determined by the means or processing involved in sensing the monitored data, e.g. interfaces, connectors, sensors, probes, agents
- G06F11/3093—Configuration details thereof, e.g. installation, enabling, spatial arrangement of the probes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3037—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a memory, e.g. virtual memory, cache
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3055—Monitoring arrangements for monitoring the status of the computing system or of the computing system component, e.g. monitoring if the computing system is on, off, available, not available
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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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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract
The embodiment of the invention discloses a SAS-Expander testing method and a tool, wherein the method comprises the following steps: the BMC inputs the serial numbers corresponding to different SAS-Expander registers and the commands to be tested according to the selection requirements; reading corresponding SAS-Expander register data through an I2C bus, and returning the data to the SAS-Expander testing tool; and analyzing the returned data after reading the SAS-Expander register according to a formulated protocol, and acquiring the state information of the server hard disk through analyzing the meaning. The embodiment of the invention can read the data in the SAS-Expander register through I2C bus communication and analyze the data according to the protocol, thereby improving the efficiency of troubleshooting server problems.
Description
Technical Field
The invention relates to a server technology, in particular to a SAS-Expander test method and tool.
Background
A Baseboard Management Controller (BMC) is a Management Controller specific to a server, and the BMC may automatically monitor an operation state of the server and perform control in time according to a current state, wherein a main function is to access other devices through Inter-Integrated Circuit (I2C) bus communication, and read some state information, parameter data, monitoring data, etc. of the devices according to a formulated protocol interface, such as measurement data of a Power Supply Unit (PSU), state information monitored by a motherboard Complex Programmable Logic Device (CPLD) and a backplane CPLD, state information monitored by a Serial Attached SCSI (SAS) Expander (SAS), and self information of the devices, such as version numbers, models, and the like. Wherein SCSI (Small Computer System interface) is a small Computer System interface.
Due to the complex functions and structures of the servers, a plurality of SAS-expanders exist in the servers of the data storage class, and the BMC communicates with the SAS-expanders through different I2C buses according to the areas and functions managed by the SAS-expanders. Because different SAS-expanders monitor the hard disk running state, in-place information and other important state information of different areas, the BMC needs to read different SAS-expanders according to the design condition when reading the state information of the hard disk. The server operation and maintenance personnel can read the data of the state information by using an i2c-test testing tool under the BMC, and then manually interpret the data according to the protocol.
In some designs of the server, since there are many I2C devices on the same I2C bus, and it is also possible that an I2C channel switch is used due to the complexity of the devices, when the I2c-test tool is used to read data in the SAS-Expander, it is necessary to send a cumbersome I2C channel switch command to read the desired data, which greatly reduces the efficiency of troubleshooting, and the returned data are all original data, and it is necessary to perform manual analysis and interpretation according to the established protocol to locate the cause of the problem, thereby greatly reducing the efficiency of troubleshooting.
Disclosure of Invention
In order to solve the above technical problems, embodiments of the present invention provide a method and a tool for testing SAS-Expander, which can read data in a SAS-Expander register through I2C bus communication and analyze the data according to a protocol, thereby improving efficiency of troubleshooting server problems.
In order to achieve the object of the present invention, in one aspect, an embodiment of the present invention provides a SAS-Expander test method, including:
the BMC inputs the serial numbers corresponding to different SAS-Expander registers and the commands to be tested according to the selection requirements;
reading corresponding SAS-Expander register data through an I2C bus, and returning the data to the SAS-Expander testing tool;
and analyzing the returned data after reading the SAS-Expander register according to a formulated protocol, and acquiring the state information of the server hard disk through analyzing the meaning.
Further, the reading of the corresponding SAS-Expander register data through the I2C bus includes:
after the serial number of the corresponding SAS-Expander is input, the SAS-Expander testing tool queries according to the serial number to acquire the I2C bus where the SAS-Expander is located and address information of slave equipment.
Further, the reading of the corresponding SAS-Expander register data through the I2C bus further includes:
after the test command is input, the SAS-Expander test tool matches the input command and judges whether the input command is correct.
Further, the parsing includes:
the meaning of one of the bits in the data, or the in-place status or fault status information of the data to the hard disk device.
Further, the analyzing the data returned after reading the SAS-Expander register according to a formulated protocol includes:
and after the data returned by reading the SAS-Expander register is analyzed according to a protocol, organizing the state character string description defined in the register and the read state information into words and sentences for printing.
On the other hand, the embodiment of the invention also provides a SAS-Expander testing tool, which comprises:
the input module is used for selectively inputting the serial numbers corresponding to different SAS-Expander registers and the commands to be tested according to the requirements under the BMC;
the reading module is used for reading corresponding SAS-Expander register data through an I2C bus and returning the data to the SAS-Expander testing tool;
and the analysis module is used for analyzing the data returned after the SAS-Expander register is read according to a formulated protocol and acquiring the state information of the server hard disk through analysis meaning.
Further, the reading module is configured to:
after the serial number of the corresponding SAS-Expander is input, the SAS-Expander testing tool queries according to the serial number to acquire the I2C bus where the SAS-Expander is located and address information of slave equipment.
Further, the reading module is further configured to:
after the test command is input, the SAS-Expander test tool matches the input command and judges whether the input command is correct.
Further, the parsing includes:
the meaning of one of the bits in the data, or the in-place status or fault status information of the data to the hard disk device.
Further, the parsing module is configured to:
and after the data returned by reading the SAS-Expander register is analyzed according to a protocol, organizing the state character string description defined in the register and the read state information into words and sentences for printing.
According to the embodiment of the invention, numbers corresponding to different SAS-Expander registers and commands to be tested are selected and input according to needs through a Baseboard Management Controller (BMC); reading corresponding SAS-Expander register data through an I2C bus, and returning the data to the SAS-Expander testing tool; and analyzing the returned data after reading the SAS-Expander register according to a formulated protocol, and acquiring the state information of the server hard disk through analyzing the meaning. The embodiment of the invention can read the data in the SAS-Expander register through I2C bus communication and analyze the data according to the protocol, thereby improving the efficiency of troubleshooting server problems.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a flow chart of a SAS-Expander test method in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of an implementation of the SAS-Expander test method according to the embodiment of the present invention;
FIG. 3 is a block diagram of a SAS-Expander test tool in accordance with an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
Fig. 1 is a flowchart of a SAS-Expander test method according to an embodiment of the present invention, and as shown in fig. 1, the method according to the embodiment of the present invention includes the following steps:
step 101: the BMC inputs the serial numbers corresponding to different SAS-Expander registers and the commands to be tested according to the selection requirements;
specifically, help information is printed after the expandetool is input under the BMC and is pressed to enter, and the test tool is prompted to support the tested SAS-Expander types, the content of the test items and the like.
The SAS-Expander function and category corresponding to the number are embodied in the help information.
Step 102: reading corresponding SAS-Expander register data through an I2C bus, and returning the data to the SAS-Expander testing tool;
specifically, the test tool opens the I2C bus and reads the corresponding SAS-Expander register according to the condition of the I2C bus where the SAS-Expander to be read belongs to.
Step 103: and analyzing the returned data after reading the SAS-Expander register according to a formulated protocol, and acquiring the state information of the server hard disk through analyzing the meaning.
Specifically, the embodiment of the invention provides a method for reading a register of an SAS-Expander through an I2C bus under BMC, and then automatically analyzing and encapsulating data into an SAS-Expander test tool according to a protocol, wherein the SAS-Expander test tool used in the method of the embodiment of the invention shortens the time for troubleshooting problems, improves the efficiency of positioning the causes of the problems of the server hard disk, can be automatically switched to an SAS-Expander chip to be read according to the I2C setting condition, can support the test functions of a plurality of SAS-expanders, and can enable server operation and maintenance personnel to quickly and effectively position the state information of the server hard disk.
Further, the reading of the corresponding SAS-Expander register data through the I2C bus includes:
after the serial number of the corresponding SAS-Expander is input, the SAS-Expander testing tool queries according to the serial number to acquire the I2C bus where the SAS-Expander is located and address information of slave equipment.
Further, the reading of the corresponding SAS-Expander register data through the I2C bus further includes:
after the test command is input, the SAS-Expander test tool matches the input command and judges whether the input command is correct.
Further, the parsing includes:
the meaning of one of the bits in the data, or the in-place status or fault status information of the data to the hard disk device.
Further, the analyzing the data returned after reading the SAS-Expander register according to a formulated protocol includes:
and after the data returned by reading the SAS-Expander register is analyzed according to a protocol, organizing the state character string description defined in the register and the read state information into words and sentences for printing.
The detailed implementation principle of the technical scheme of the embodiment of the invention is explained as follows:
fig. 2 is a schematic diagram of an implementation of the SAS-Expander test method according to the embodiment of the present invention, and as shown in fig. 2, a flow chart and descriptions of a basic implementation of the embodiment of the present invention are as follows:
s1, printing help by an SAS-Expander test tool;
after the Expander tool is input under the BMC and pressed to enter the vehicle or wrong parameters are input, the SAS-Expander testing tool prints help information to prompt that the testing tool supports tested SAS-Expander types, content of testing items and the like, and a user can select and input serial numbers corresponding to different SAS-expanders and commands to be tested according to needs.
S2, matching the input SAS-Expander serial number with the SAS-Expander test tool;
the first input parameter of the SAS-Expander testing tool is designed to be required to input a number corresponding to the SAS-Expander, functions and types of the SAS-Expander corresponding to the number are embodied in the help information, and after the number of the corresponding SAS-Expander is input, the SAS-Expander testing tool inquires information such as an I2C bus where the SAS-Expander is located and slave equipment addresses according to the number and prepares for I2C communication of the next step.
S3, matching the input test command by the SAS-Expander test tool;
the second input parameter of the SAS-Expander test tool is designed to require the input of the test commands to be performed, all represented using a string that is easily readable and understandable, and with the help of which there is a functional or functional interpretation of the corresponding command. After a test command is input and an enter key is pressed, the SAS-Expander test tool performs matching of the input command, if the input command parameter is wrong, help information of the test tool is printed for promoting a user; and if the input command is correct, the next step is carried out, and the SAS-Expander register corresponding to the test command is read.
S4, reading a corresponding SAS-Expander register by the SAS-Expander test tool;
after the process from step S1 to step S3 is completed, the test tool opens the I2C bus and reads the corresponding SAS-Expander register according to the condition of the I2C bus where the SAS-Expander to be read is located. If the I2C bus is not passed, an error code and the contents of the error prompt string are returned, and if data is returned, the data is analyzed.
S5, analyzing the returned data by the SAS-Expander test tool;
after the SAS-Expander test tool reads the data of the corresponding register, analyzing the data according to a specified protocol, wherein the data comprises the meaning of a certain bit in the data, whether the corresponding bit of the read data is high or low, the analytical meaning of the read data for certain hard disk states, whether the read data is in-place for certain hard disk devices or in a fault state and the like.
S6, printing the analyzed content by using the SAS-Expander test tool;
after the SAS-Expander testing tool analyzes the data returned by the read register according to the protocol, the data is described according to the state character strings defined in the register and is organized with the read state information into clear words and sentences for printing, so that server operation and maintenance personnel can quickly and visually see the state information of the hard disk monitored by the SAS-Expander.
The SAS-Expander testing tool used in the technical scheme of the embodiment of the invention is an SAS-Expander testing tool under BMC, the SAS-Expander testing tool encapsulates data of different SAS-Expander monitoring registers according to a protocol, reading of the required data can be realized by inputting different SAS-Expander numbers and commands, then data analysis is carried out according to the established protocol and then printing output is carried out, convenient, fast, visual and easy-to-read equipment state information can be provided for server operation and maintenance personnel, and when a server problem is eliminated, the efficiency of problem reason positioning is improved.
Fig. 3 is a structural diagram of a SAS-Expander test tool according to an embodiment of the present invention, and as shown in fig. 3, a SAS-Expander test tool provided in another aspect of the embodiment of the present invention is an SAS-Expander automated test tool under BMC, including:
the input module 301 is used for selectively inputting the serial numbers corresponding to different SAS-Expander registers and the commands to be tested according to the requirements under the baseboard management controller BMC;
the reading module 302 is used for reading corresponding SAS-Expander register data through an I2C bus and returning the data to the SAS-Expander testing tool;
and the analysis module 303 is configured to analyze the data returned after reading the SAS-Expander register according to a formulated protocol, and acquire the state information of the server hard disk through analysis meaning.
Further, the reading module 302 is configured to:
after the serial number of the corresponding SAS-Expander is input, the SAS-Expander testing tool queries according to the serial number to acquire the I2C bus where the SAS-Expander is located and address information of slave equipment.
Further, the reading module 302 is further configured to:
after the test command is input, the SAS-Expander test tool matches the input command and judges whether the input command is correct.
Further, the parsing includes:
the meaning of one of the bits in the data, or the in-place status or fault status information of the data to the hard disk device.
Further, the parsing module 303 is configured to:
and after the data returned by reading the SAS-Expander register is analyzed according to a protocol, organizing the state character string description defined in the register and the read state information into words and sentences for printing.
In summary, in the embodiment of the present invention, the BMC selectively inputs the serial numbers corresponding to different SAS-Expander registers and the commands to be tested according to the requirements; reading corresponding SAS-Expander register data through an I2C bus, and returning the data to the SAS-Expander testing tool; and analyzing the returned data after reading the SAS-Expander register according to a formulated protocol, and acquiring the state information of the server hard disk through analyzing the meaning. The embodiment of the invention can read the data in the SAS-Expander register through I2C bus communication and analyze the data according to the protocol, thereby improving the efficiency of troubleshooting server problems.
The embodiment of the invention encapsulates a tool supporting various SAS-expanders and a plurality of test commands according to the information protocol of the monitoring state in the SAS-Expander register under BMC, the tool reads data in the SAS-Expander register through I2C bus communication and analyzes the data according to the protocol, and organizes words and sentences which enable operation and maintenance personnel to find problem reasons more intuitively and directly to print and output the words and sentences, provides a quick and convenient tool and means when checking server problems and positioning the problem reasons, and can analyze the problem reasons more quickly and intuitively.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A SAS-Expander test method is characterized by comprising the following steps:
the BMC inputs the serial numbers corresponding to different SAS-Expander registers and the commands to be tested according to the selection requirements;
reading corresponding SAS-Expander register data through an I2C bus, and returning the data to the SAS-Expander testing tool;
and analyzing the returned data after reading the SAS-Expander register according to a formulated protocol, and acquiring the state information of the server hard disk through analyzing the meaning.
2. The SAS-Expander test method according to claim 1, wherein said reading the corresponding SAS-Expander register data over the I2C bus comprises:
after the serial number of the corresponding SAS-Expander is input, the SAS-Expander testing tool queries according to the serial number to acquire the I2C bus where the SAS-Expander is located and address information of slave equipment.
3. The SAS-Expander test method according to claim 1, wherein said reading the corresponding SAS-Expander register data over the I2C bus further comprises:
after the test command is input, the SAS-Expander test tool matches the input command and judges whether the input command is correct.
4. The SAS-Expander test method of claim 1 wherein said resolving the meaning comprises:
the meaning of one of the bits in the data, or the in-place status or fault status information of the data to the hard disk device.
5. The SAS-Expander test method according to claim 4, wherein the parsing the data returned after reading the SAS-Expander register according to a formulated protocol comprises:
and after the data returned by reading the SAS-Expander register is analyzed according to a protocol, organizing the state character string description defined in the register and the read state information into words and sentences for printing.
6. A SAS-Expander test tool comprising:
the input module is used for selectively inputting the serial numbers corresponding to different SAS-Expander registers and the commands to be tested according to the requirements under the BMC;
the reading module is used for reading corresponding SAS-Expander register data through an I2C bus and returning the data to the SAS-Expander testing tool;
and the analysis module is used for analyzing the data returned after the SAS-Expander register is read according to a formulated protocol and acquiring the state information of the server hard disk through analysis meaning.
7. The SAS-Expander test tool of claim 6, wherein said read module is configured to:
after the serial number of the corresponding SAS-Expander is input, the SAS-Expander testing tool queries according to the serial number to acquire the I2C bus where the SAS-Expander is located and address information of slave equipment.
8. The SAS-Expander test tool of claim 6 wherein the read module is further configured to:
after the test command is input, the SAS-Expander test tool matches the input command and judges whether the input command is correct.
9. The SAS-Expander test tool of claim 6 wherein said resolving a meaning comprises:
the meaning of one of the bits in the data, or the in-place status or fault status information of the data to the hard disk device.
10. The SAS-Expander test tool of claim 9 wherein the parsing module is to:
and after the data returned by reading the SAS-Expander register is analyzed according to a protocol, organizing the state character string description defined in the register and the read state information into words and sentences for printing.
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| CN113645052A (en) * | 2020-04-27 | 2021-11-12 | 中移物联网有限公司 | Firmware debugging method and related equipment |
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| CN103902427A (en) * | 2014-03-11 | 2014-07-02 | 浪潮电子信息产业股份有限公司 | Out-band hard disk status obtaining method |
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