CN111209151A - Linux-based NVME SSD hot plug test method, system, terminal and storage medium - Google Patents
Linux-based NVME SSD hot plug test method, system, terminal and storage medium Download PDFInfo
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- CN111209151A CN111209151A CN201911423200.7A CN201911423200A CN111209151A CN 111209151 A CN111209151 A CN 111209151A CN 201911423200 A CN201911423200 A CN 201911423200A CN 111209151 A CN111209151 A CN 111209151A
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- 238000010998 test method Methods 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 29
- 230000008569 process Effects 0.000 claims abstract description 11
- 230000006870 function Effects 0.000 claims description 9
- 238000012795 verification Methods 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
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- 238000005859 coupling reaction Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test buses, lines or interfaces, e.g. stuck-at or open line faults
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2273—Test methods
Abstract
The invention provides a linux-based NVME SSD hot plug test method, a linux-based NVME SSD hot plug test system, a linux-based NVME SSD hot plug test terminal and a linux-based NVME SSD hot plug test storage medium, wherein the linux-based NVME SSD hot plug test terminal comprises the following steps: verifying the test environment and the NVME SSD to be tested; acquiring a drive letter of the NVME SSD to be tested and acquiring a PCIe card slot number corresponding to the NVME SSD to be tested according to the drive letter; setting the duration of the inserting state and the pulling state; hot plug of the NVME SSD to be tested is achieved by setting the POWER state corresponding to the PCIe card slot according to the duration; and capturing NVME SSD equipment information, a dmesg log, interface bit width and interface rate in the hot plug process. According to the invention, the hot plug register information of the card slot is obtained by finding the address of the card slot corresponding to the NVME SSD, and the command of removing and inserting the equipment signal is further sent to the system, so that the system does not need to be restarted in the whole process, and the service of the server is not influenced.
Description
Technical Field
The invention relates to the technical field of servers, in particular to a linux-based NVME SSD hot plug test method, a linux-based NVME SSD hot plug test system, a linux-based NVME SSD hot plug test terminal and a linux-based NVME SSD hot plug test storage medium.
Background
With the rise of big data and internet applications, the application range of the server is wider and wider. The operation of the server is more and more diversified on the use requirements of the NVME hard disk, when the server runs in business, the NVME hard disk is insufficient in storage space or the number of the NVME hard disks installed in advance is insufficient, a new NVME hard disk needs to be replaced and normal operation of the business cannot be influenced, but violent hot plug brings disastrous destruction problems to a system and the NVME hard disk, so that the NVME notification type hot plug function is extremely important. Therefore, the method solves the problem that NVME hard disk hot plug affects service after entering a Linux system, and greatly simplifies equipment replacement and debugging steps.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a linux-based NVME SSD hot plug test method, a linux-based NVME SSD hot plug test system, a linux-based NVME SSD hot plug test terminal and a linux-based NVME SSD hot plug test storage medium, so as to solve the technical problems.
In a first aspect, the present invention provides a linux-based NVME SSD hot plug test method, including:
verifying the test environment and the NVME SSD to be tested;
acquiring a drive letter of the NVME SSD to be tested and acquiring a PCIe card slot number corresponding to the NVME SSD to be tested according to the drive letter;
setting the duration of the inserting state and the pulling state;
hot plug of the NVMESSD to be tested is realized by setting the POWER state corresponding to the PCIe card slot according to the duration;
and capturing NVME SSD equipment information, a dmesg log, interface bit width and interface rate in the hot plug process.
Further, the verifying the test environment and the NVME SSD to be tested includes:
checking whether an operating system kernel supports a NVME hard disk hot plug function or not;
searching the address of the corresponding card slot of the NVMe SSD, obtaining hot plug register information of the card slot through the lspci, and checking whether the register information supports hot plug;
and detecting the integrity of the NVME SSD, and ensuring that the NVME SSD is in place before testing.
Further, the collecting the drive letter of the NVME SSD to be tested and acquiring the PCIe card slot number corresponding to the NVME SSD to be tested according to the drive letter comprise:
confirming a corresponding BUS ID needing hot plug according to the disk identifier of the NVME SSD to be tested;
and acquiring the PCIe card slot number of the NVME SSD equipment according to the BUS ID by utilizing an lspci command.
In a second aspect, the present invention provides a linux-based NVME SSD hot plug test system, including:
the initial checking unit is configured for checking the test environment and the NVME SSD to be tested;
the card slot obtaining unit is configured to collect a disk identifier of the NVME SSD to be tested and obtain a PCIe card slot number corresponding to the NVMESSD to be tested according to the disk identifier;
a time setting unit configured to set a duration of the insertion state and the extraction state;
the test execution unit is configured to realize hot plug of the NVME SSD to be tested by setting a POWER state corresponding to the PCIe card slot according to the duration;
and the result capturing unit is configured for capturing the NVME SSD device information, the dmesg log, the interface bit width and the interface rate in the hot plug process.
Further, the initial verification unit includes:
the system checking module is configured for checking whether the kernel of the operating system supports the NVME hard disk hot plug function or not;
the card slot checking module is configured to search an address of a card slot corresponding to the NVMe SSD, obtain hot plug register information of the card slot through the lspci and check whether the register information supports hot plug;
and the in-place check module is configured to detect the integrity of the NVME SSD and ensure that the NVME SSD is in place before testing.
Further, the card slot obtaining unit includes:
the first acquisition module is configured to confirm a corresponding BUS ID needing hot plug according to the disk identifier of the NVME SSD to be tested;
and the second acquisition module is configured to acquire the PCIe card slot number of the NVME SSD device according to the BUS ID by using an lspci command.
In a third aspect, a terminal is provided, including:
a processor, a memory, wherein,
the memory is used for storing a computer program which,
the processor is used for calling and running the computer program from the memory so as to make the terminal execute the method of the terminal.
In a fourth aspect, a computer storage medium is provided having stored therein instructions that, when executed on a computer, cause the computer to perform the method of the above aspects.
The beneficial effect of the invention is that,
the NVME SSD hot plug test method, the NVME SSD hot plug test system, the NVME SSD hot plug test terminal and the NVME SSD hot plug test storage medium are based on a linux environment, obtain hot plug register information of a card slot by finding out an address of the card slot corresponding to the NVME SSD, and further send a command for removing and inserting equipment signals to a system, and the whole process does not need to restart the system and does not affect server service.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic flow diagram of a method of one embodiment of the invention.
FIG. 2 is a schematic block diagram of a system of one embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
FIG. 1 is a schematic flow diagram of a method of one embodiment of the invention. The execution subject in fig. 1 may be a linux-based NVME SSD hot plug test system.
As shown in fig. 1, the method 100 includes:
and 150, capturing NVME SSD equipment information, the dmesg log, the interface bit width and the interface rate in the hot plug process.
In order to facilitate understanding of the present invention, the following further describes the linux-based NVME SSD hot plug test method provided in the present invention, with reference to the principle of the linux-based NVME SSD hot plug test method, and the process of performing the hot plug test on the NVME SSD in the embodiment.
Specifically, the linux-based NVME SSD hot plug test method includes:
1) before starting the test, firstly ensuring that the kernel of the operating system supports the NVME hard disk notification type hot plug function. kernel-3.10.0-514.26.2.e17.x86_64 version and above
2) Judging whether a PCIe card slot connected with the NVMe device supports hot plug, and finding an address (such as 0000:3c:00.0) of a card slot corresponding to the NVMe SSD (such as NVMe0n 1); the hot plug register information of the card slot is obtained through the lspci (if the hot plug register information is shown as hot +, Surrise + then hot plug is supported), and the realization method is as follows
a.find/sys–name nvme0n1
b.lspci–s 0000:3c:00.0–vvv|grep–I hotplug
3) And capturing NVME SSD equipment information under the system, and recording the dmesglog generated by the system and the negotiation of the interface bit width and the rate to be normal when hot plug is carried out each time.
The implementation commands are as follows:
4) and detecting the integrity of the NVME SSD equipment before the test starts, and ensuring whether the NVME equipment is in place before the test so as to prevent the consistency of the number of the NVME SSD before and after the test.
The script for capturing the NVME SSD information is called, and further implementation is realized
echo"Befor NVME info is removed"
NvmeRecord
echo""
5) Determining a disk identifier of the NVME SSD equipment for plugging, further confirming the corresponding BUS ID needing hot plugging according to the disk identifier, inputting the BUS ID number needing plugging for testing, and realizing the following commands
ls/sys/class/nvme–all
read-p"Please recovery all of nvme[3c:00.0]"ANS
6) After the BUS ID and the disk identifier are confirmed, the BUS ID is used for obtaining SLOT NUM of the NVME SSD device, SLOT _ NUM is the PCIe card SLOT number corresponding to the device to be removed, and lspci-s $ ANS-vvv | awk '/Physical/{ print $3} ' can be obtained through an lspci command '
7) In order to ensure that the system log has errors before testing after NVME hot plug is completed, the system log needs to be completely cleared before hot plug, such as the dmesg log and the bmc log, and then NVME SSD device plug is performed, and a device signal is sent to the system as follows:
a. when the equipment is removed
#echo 0>/sys/bus/pci/slots/<SSD_SLOT_NUM>/power
b. When inserting into the apparatus
#echo 1>/sys/bus/pci/slots/<SSD_SLOT_NUM>/power
8) The hot plug times are set according to the times needing to be tested, the parts to be tested of all the slot positions can be normally identified by the system after being inserted and pulled out for 65 seconds each time, the interface bit width and the rate negotiation are normal, and the script abstract is realized as follows:
after the above actions are completed, the script needs to be further perfected. All script contents are stored in an nvme _ homeplug _ v1.0.sh file, the system directly runs the nvme _ homeplug _ v1.0.sh file, and hot plug test can be carried out by inputting the BUS ID needing to be plugged and unplugged.
As shown in fig. 2, the system 200 includes:
an initial verification unit 210 configured to verify the test environment and the NVME SSD to be tested;
the card slot obtaining unit 220 is configured to collect a drive letter of the NVME SSD to be tested and obtain a PCIe card slot number corresponding to the NVME SSD to be tested according to the drive letter;
a time setting unit 230 configured to set an insertion state and an extraction state duration;
the test execution unit 240 is configured to implement hot plug of the NVME SSD to be tested by setting a POWER state corresponding to the PCIe card slot according to the duration;
and the result grabbing unit 250 is configured to grab the NVME SSD device information, the dmesg log, the interface bit width and the rate in the hot plug process.
Optionally, as an embodiment of the present invention, the initial verification unit includes:
the system checking module is configured for checking whether the kernel of the operating system supports the NVME hard disk hot plug function or not;
the card slot checking module is configured to search an address of a card slot corresponding to the NVMe SSD, obtain hot plug register information of the card slot through the lspci and check whether the register information supports hot plug;
and the in-place check module is configured to detect the integrity of the NVME SSD and ensure that the NVME SSD is in place before testing.
Optionally, as an embodiment of the present invention, the card slot obtaining unit includes:
the first acquisition module is configured to confirm a corresponding BUS ID needing hot plug according to the disk identifier of the NVME SSD to be tested;
and the second acquisition module is configured to acquire the PCIe card slot number of the NVME SSD device according to the BUS ID by using an lspci command.
Fig. 3 is a schematic structural diagram of a terminal system 300 according to an embodiment of the present invention, where the terminal system 300 may be used to execute the linux-based NVME SSD hot plug test method according to the embodiment of the present invention.
The terminal system 300 may include: a processor 310, a memory 320, and a communication unit 330. The components communicate via one or more buses, and those skilled in the art will appreciate that the architecture of the servers shown in the figures is not intended to be limiting, and may be a bus architecture, a star architecture, a combination of more or less components than those shown, or a different arrangement of components.
The memory 320 may be used for storing instructions executed by the processor 310, and the memory 320 may be implemented by any type of volatile or non-volatile storage terminal or combination thereof, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk. The executable instructions in memory 320, when executed by processor 310, enable terminal 300 to perform some or all of the steps in the method embodiments described below.
The processor 310 is a control center of the storage terminal, connects various parts of the entire electronic terminal using various interfaces and lines, and performs various functions of the electronic terminal and/or processes data by operating or executing software programs and/or modules stored in the memory 320 and calling data stored in the memory. The processor may be composed of an Integrated Circuit (IC), for example, a single packaged IC, or a plurality of packaged ICs connected with the same or different functions. For example, the processor 310 may include only a Central Processing Unit (CPU). In the embodiment of the present invention, the CPU may be a single operation core, or may include multiple operation cores.
A communication unit 330, configured to establish a communication channel so that the storage terminal can communicate with other terminals. And receiving user data sent by other terminals or sending the user data to other terminals.
The present invention also provides a computer storage medium, wherein the computer storage medium may store a program, and the program may include some or all of the steps in the embodiments provided by the present invention when executed. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM) or a Random Access Memory (RAM).
Therefore, based on the linux environment, the hot plug register information of the card slot is obtained by finding the address of the card slot corresponding to the NVME SSD, and a command for removing and inserting the device signal is further sent to the system.
Those skilled in the art will readily appreciate that the techniques of the embodiments of the present invention may be implemented as software plus a required general purpose hardware platform. Based on such understanding, the technical solutions in the embodiments of the present invention may be embodied in the form of a software product, where the computer software product is stored in a storage medium, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and the like, and the storage medium can store program codes, and includes instructions for enabling a computer terminal (which may be a personal computer, a server, or a second terminal, a network terminal, and the like) to perform all or part of the steps of the method in the embodiments of the present invention.
The same and similar parts in the various embodiments in this specification may be referred to each other. Especially, for the terminal embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant points can be referred to the description in the method embodiment.
In the embodiments provided in the present invention, it should be understood that the disclosed system and method can be implemented in other ways. For example, the above-described system embodiments are merely illustrative, and for example, the division of the units is only one logical functional division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, systems or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A NVME SSD hot plug test method, system, terminal and storage medium method based on linux is characterized by comprising the following steps:
verifying the test environment and the NVME SSD to be tested;
acquiring a drive letter of the NVME SSD to be tested and acquiring a PCIe card slot number corresponding to the NVME SSD to be tested according to the drive letter;
setting the duration of the inserting state and the pulling state;
hot plug of the NVME SSD to be tested is achieved by setting the POWER state corresponding to the PCIe card slot according to the duration;
and capturing NVME SSD equipment information, dme sg log, interface bit width and interface rate in the hot plug process.
2. The method of claim 1, wherein verifying the test environment and the NVME SSD under test comprises:
checking whether an operating system kernel supports a NVME hard disk hot plug function or not;
searching the address of the corresponding card slot of the NVMe SSD, obtaining hot plug register information of the card slot through the lspci, and checking whether the register information supports hot plug;
and detecting the integrity of the NVME SSD, and ensuring that the NVME SSD is in place before testing.
3. The method of claim 1, wherein the acquiring the drive letter of the NVME SSD to be tested and obtaining the PCIe card slot number corresponding to the NVME SSD to be tested according to the drive letter comprises:
confirming a corresponding BUS ID needing hot plug according to the disk identifier of the NVME SSD to be tested;
and acquiring the PCIe card slot number of the NVME SSD equipment according to the BUS ID by utilizing an lspci command.
4. A linux-based NVME SSD hot-plug test system is characterized by comprising:
the initial checking unit is configured for checking the test environment and the NVME SSD to be tested;
the card slot obtaining unit is configured to collect a drive letter of the NVME SSD to be tested and obtain a PCIe card slot number corresponding to the NVME SSD to be tested according to the drive letter;
a time setting unit configured to set a duration of the insertion state and the extraction state;
the test execution unit is configured to realize hot plug of the NVME SSD to be tested by setting a POWER state corresponding to the PCIe card slot according to the duration;
and the result capturing unit is configured to capture NVME SSD device information, dme sg log, interface bit width and rate in the hot plug process.
5. The system of claim 4, wherein the initial verification unit comprises:
the system checking module is configured for checking whether the kernel of the operating system supports the NVME hard disk hot plug function or not;
the card slot checking module is configured to search an address of a card slot corresponding to the NVMe SSD, obtain hot plug register information of the card slot through the lspci and check whether the register information supports hot plug;
and the in-place check module is configured to detect the integrity of the NVME SSD and ensure that the NVME SSD is in place before testing.
6. The system of claim 4, wherein the card slot retrieving unit comprises:
the first acquisition module is configured to confirm a corresponding BUS ID needing hot plug according to the disk identifier of the NVME SSD to be tested;
and the second acquisition module is configured to acquire the PCIe card slot number of the NVME SSD device according to the BUS ID by using an lspci command.
7. A terminal, comprising:
a processor;
a memory for storing instructions for execution by the processor;
wherein the processor is configured to perform the method of any one of claims 1-3.
8. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1-3.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111858198A (en) * | 2020-06-19 | 2020-10-30 | 苏州浪潮智能科技有限公司 | Multi-scheme memory plugging test method, system, terminal and storage medium |
| CN113342590A (en) * | 2021-08-06 | 2021-09-03 | 苏州浪潮智能科技有限公司 | NVMe device debugging function implementation method, device, equipment and storage medium |
| CN113656224A (en) * | 2021-07-22 | 2021-11-16 | 浪潮商用机器有限公司 | NVMe SSD hot plug test method, system, device and readable storage medium |
| CN113656339A (en) * | 2021-07-14 | 2021-11-16 | 浪潮商用机器有限公司 | NVME hot plug processing method, BMC, device, equipment and medium |
| CN114064541A (en) * | 2022-01-18 | 2022-02-18 | 苏州浪潮智能科技有限公司 | Method, device, equipment and storage medium for simulating plugging and unplugging of hard disk |
| CN114385537A (en) * | 2022-03-24 | 2022-04-22 | 浪潮(山东)计算机科技有限公司 | Page slot number dynamic allocation method, device, equipment and medium |
-
2019
- 2019-12-31 CN CN201911423200.7A patent/CN111209151A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111858198A (en) * | 2020-06-19 | 2020-10-30 | 苏州浪潮智能科技有限公司 | Multi-scheme memory plugging test method, system, terminal and storage medium |
| CN113656339A (en) * | 2021-07-14 | 2021-11-16 | 浪潮商用机器有限公司 | NVME hot plug processing method, BMC, device, equipment and medium |
| CN113656339B (en) * | 2021-07-14 | 2024-02-02 | 浪潮商用机器有限公司 | NVME hot plug processing method, BMC, device, equipment and medium |
| CN113656224A (en) * | 2021-07-22 | 2021-11-16 | 浪潮商用机器有限公司 | NVMe SSD hot plug test method, system, device and readable storage medium |
| CN113342590A (en) * | 2021-08-06 | 2021-09-03 | 苏州浪潮智能科技有限公司 | NVMe device debugging function implementation method, device, equipment and storage medium |
| CN113342590B (en) * | 2021-08-06 | 2021-10-29 | 苏州浪潮智能科技有限公司 | NVMe device debugging function implementation method, device, equipment and storage medium |
| CN114064541A (en) * | 2022-01-18 | 2022-02-18 | 苏州浪潮智能科技有限公司 | Method, device, equipment and storage medium for simulating plugging and unplugging of hard disk |
| CN114385537A (en) * | 2022-03-24 | 2022-04-22 | 浪潮(山东)计算机科技有限公司 | Page slot number dynamic allocation method, device, equipment and medium |
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