CN112256613B - Optical fiber butt joint port starting method, system, terminal and storage medium - Google Patents

Optical fiber butt joint port starting method, system, terminal and storage medium Download PDF

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Publication number
CN112256613B
CN112256613B CN202010953321.9A CN202010953321A CN112256613B CN 112256613 B CN112256613 B CN 112256613B CN 202010953321 A CN202010953321 A CN 202010953321A CN 112256613 B CN112256613 B CN 112256613B
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port
switch
optical fiber
input
output control
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CN112256613A (en
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范会杨
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Suzhou Inspur Intelligent Technology Co Ltd
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Suzhou Inspur Intelligent Technology Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4221Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601Interfaces specially adapted for storage systems
    • G06F3/0668Interfaces specially adapted for storage systems adopting a particular infrastructure
    • G06F3/067Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]

Abstract

The invention provides a method, a system, a terminal and a storage medium for starting an optical fiber butt joint port, wherein the method comprises the following steps: taking a notification message connected with an opposite terminal and a notification message of a protocol layer calling a driving layer as trigger signals for starting a logic port of the optical fiber butt joint port, and writing the trigger signals of the logic port into an input/output control strategy; establishing a flow parameter for logging in the switch by the logic port and registering, and writing the flow parameter into an input and output control strategy; and inputting an input and output control strategy into the firmware of the optical fiber butt joint port, and controlling the starting of the logic port of the optical fiber butt joint port through the input and output control strategy. The invention can avoid various problems caused by the fact that the SCSI protocol layer is not ready when the remote equipment issues IO to the SCSI protocol layer after the drive layer is automatically connected with the remote equipment in the SCSI protocol layer and FC drive layered design, thereby increasing the robustness of the storage system and improving the product competitiveness.

Description

Optical fiber butt joint port starting method, system, terminal and storage medium
Technical Field
The invention relates to the technical field of server storage, in particular to a method, a system, a terminal and a storage medium for starting an optical fiber butt joint port.
Background
The existing storage system adopts a layered software design, wherein an FC drive is positioned at the bottommost layer and is used for receiving an SCSI command transmitted by an optical fiber link and transmitting the SCSI command to an upper SCSI protocol layer; and receiving the data of the SCSI protocol layer, sending the data to the optical fiber link and transferring the data to the opposite terminal.
The FC module provides high convenience for equipment interconnection, and remote equipment can be automatically found and connected without manual configuration after being electrified; meanwhile, problems are brought, when the FC module of the storage end establishes connection with the opposite end device, the SCSI protocol module of the upper layer may not be ready yet; however, the host at the far end does not know that the SCSI protocol module is not ready, and various unpredictable problems may be caused when the IO request is issued to the storage end and transmitted to the SCSI module.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the present invention provides a method, a system, a terminal and a storage medium for starting an optical fiber docking port, so as to solve the above-mentioned technical problems.
In a first aspect, the present invention provides a method for starting an optical fiber docking port, including:
taking a notification message connected with an opposite terminal and a notification message of a protocol layer calling a driving layer as trigger signals for starting a logic port of the optical fiber butt joint port, and writing the trigger signals of the logic port into an input/output control strategy;
establishing a flow parameter for logging in the switch by the logic port and registering, and writing the flow parameter into an input and output control strategy;
and inputting an input and output control strategy into the firmware of the optical fiber butt joint port, and controlling the starting of the logic port of the optical fiber butt joint port through the input and output control strategy.
Further, the formulating the flow parameters for logging in the switch and registering the logic port includes:
setting the waiting time for sending a login request after the logic port receives a complete trigger signal;
and taking the login response signal sent by the switch as a trigger signal for initiating registration.
Further, the controlling the start of the logical port of the optical fiber docking port by the input/output control policy includes:
after the firmware of the optical fiber docking interface receives the notification message connected with the opposite terminal and the notification message of the protocol layer calling the driving layer, starting a logic port;
the logic port calculates waiting time and sends a login request to the switch after the waiting time reaches the waiting time in the input and output control strategy;
after receiving a login response signal returned by the switch, the logic port sends a state change registration request, an upper layer protocol type registration request and a port attribute registration request to the switch;
and after receiving the registration completion prompt message returned by the switch, the logic port disconnects the logic connection with the switch.
Further, the starting of the logical port after the firmware of the optical fiber docking interface receives the notification message connected to the opposite end and the notification message of the protocol layer calling the driver layer includes:
presetting trigger signal waiting time;
after receiving any notification message in the trigger signal of the logic port, waiting for receiving other notification messages and calculating the actual waiting time;
judging whether two notification messages forming the trigger signal are received or not when the actual waiting time reaches the waiting time of the trigger signal:
if not, outputting an error prompt which cannot be started.
In a second aspect, the present invention provides a fiber docking port activation system, including:
the trigger formulation unit is configured to take a notification message connected with an opposite terminal and a notification message of a protocol layer calling a driving layer as trigger signals for starting a logic port of the optical fiber docking port, and write the trigger signals of the logic port into an input/output control strategy;
the register making unit is configured for writing the process parameters for logging in the logic port to the switch and registering into an input and output control strategy;
and the strategy execution unit is configured to input an input/output control strategy into the firmware of the optical fiber docking port, and control the starting of the logic port of the optical fiber docking port through the input/output control strategy.
Further, the formulating the flow parameters for logging in the switch and registering the logic port includes:
the login trigger setting module is configured to set the waiting time for sending the login request after the logic port receives the complete trigger signal;
and the registration trigger setting module is configured to take the login response signal sent by the switch as a trigger signal for initiating registration.
Further, the policy execution unit includes:
the starting triggering module is configured for starting the logic port after the firmware of the optical fiber docking interface receives the notification message connected with the opposite terminal and the notification message of the protocol layer calling the driving layer;
the login triggering module is configured for calculating the waiting time of the logic port and sending a login request to the switch after the waiting time reaches the waiting time in the input and output control strategy;
the register triggering module is configured for sending a state change register request, an upper layer protocol type register request and a port attribute register request to the switch after the logic port receives a login response signal returned by the switch;
and the disconnection module is configured to disconnect the logical connection with the switch after the logical port receives the registration completion prompt message returned by the switch.
Further, the start triggering module is further configured to:
presetting trigger signal waiting time;
after receiving any notification message in the trigger signal of the logic port, waiting for receiving other notification messages and calculating the actual waiting time;
judging whether two notification messages forming the trigger signal are received or not when the actual waiting time reaches the waiting time of the trigger signal:
if not, outputting an error prompt which cannot be started.
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 method, the system, the terminal and the storage medium for starting the optical fiber butt joint port provided by the invention take the notification message connected with the opposite end and the notification message of the protocol layer calling the driving layer as the trigger signal for starting the logic port of the optical fiber butt joint port, thereby handing the control right of starting/stopping the logic port to the SCSI protocol layer. The invention can avoid various problems caused by the fact that the SCSI protocol layer is not ready when the remote equipment issues IO to the SCSI protocol layer after the drive layer is automatically connected with the remote equipment in the SCSI protocol layer and FC drive layered design, thereby increasing the robustness of the storage system and improving the product competitiveness.
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 present invention. The execution body in fig. 1 may be a fiber docking port activation system.
As shown in fig. 1, the method includes:
step 110, taking a notification message connected with an opposite terminal and a notification message of a protocol layer calling a driving layer as a trigger signal for starting a logic port of the optical fiber butt joint port, and writing the trigger signal of the logic port into an input/output control strategy;
step 120, making flow parameters for logging in the switch and registering the logic port, and writing the flow parameters into an input and output control strategy;
step 130, inputting an input/output control strategy into the firmware of the optical fiber docking port, and controlling the start of the logic port of the optical fiber docking port through the input/output control strategy.
Specifically, the optical fiber docking port starting method includes:
s1, taking a notification message connected with an opposite terminal and a notification message of a protocol layer calling a driving layer as trigger signals for starting a logic port of the optical fiber butt joint port, and writing the trigger signals of the logic port into an input and output control strategy.
The initial state that the logic PORT is not started is an INACTIVE state, and the PORT is set to accept two excitations when in the INACTIVE state, wherein FABRIC _ UP excitation is triggered by information reported when FW and opposite-end automatic LINK, and PORT _ START excitation is triggered when a SCSI protocol layer calls a drive layer to START the logic PORT. When any stimulus in FABRIC _ UP/PORT _ START is received, the PORT jumps to a state waiting for another stimulus. Only when both stimuli are received (the order of the two stimuli has no effect), the port state jumps to FLOGI _ AWAIT (start trigger state).
And writing the starting triggering rule into an input/output control strategy.
And S2, establishing a flow parameter for logging in the switch by the logic port and registering, and writing the flow parameter into an input and output control strategy.
Setting the waiting time of FLOGI _ AWAIT state, driving to generate TIMER _ EXPIY excitation after the waiting time reaches the set time, and triggering a port (state machine) to send the FLOGI state machine to jump to FLOGI _ IN _ PROG (FLOgi IN progress).
After receiving the FLOGI response sent by the switch, generating LS _ ACC excitation and triggering a State machine to send SCR (State Change Registration); the switch will only send a message to notify device a when other device B is connected to or disconnected from the switch in the same zone after device a registers the SCR with the switch. And then the device sends PLOGI to establish logical connection with the switch, writes a logic handle into FW, sends RFT _ ID (Register FC4 Type for port ID) to the switch to Register an upper layer protocol Type (SCSI or NVMe), and sends RFF _ ID (Register FC4 Feature for port ID) to the switch to Register a port attribute (Initiator or Target). And after the switch is registered, the logic connection is disconnected, the logic handle is cancelled, and the port is ready to process IO.
And writing the rule into an input and output control strategy.
And S3, inputting an input and output control strategy into the firmware of the optical fiber butt joint port, and controlling the starting of the logic port of the optical fiber butt joint port through the input and output control strategy.
And (3) recording the input and output control strategies formulated in the steps S1 and S2 into firmware of the optical fiber butt joint port, and executing the starting of the logic port by the optical fiber butt joint port according to the input and output control strategies.
As shown in fig. 2, the system 200 includes:
a trigger making unit 210, configured to use a notification message connected to an opposite end and a notification message of a protocol layer calling a driver layer as a trigger signal for starting a logical port of the optical fiber docking port, and write the trigger signal of the logical port into an input/output control policy;
a registration making unit 220 configured to write the process parameters for logging in the logic port to the switch and performing registration into the input/output control policy;
and the policy execution unit 230 is configured to enter an input/output control policy into the firmware of the optical fiber docking port, and control the start of the logical port of the optical fiber docking port through the input/output control policy.
Optionally, as an embodiment of the present invention, the formulating a flow parameter for logging in a logical port to a switch and performing registration includes:
the login trigger setting module is configured to set the waiting time for sending the login request after the logic port receives the complete trigger signal;
and the registration trigger setting module is configured to take the login response signal sent by the switch as a trigger signal for initiating registration.
Optionally, as an embodiment of the present invention, the policy executing unit includes:
the starting triggering module is configured for starting the logic port after the firmware of the optical fiber docking interface receives the notification message connected with the opposite terminal and the notification message of the protocol layer calling the driving layer;
the login triggering module is configured for calculating the waiting time of the logic port and sending a login request to the switch after the waiting time reaches the waiting time in the input and output control strategy;
the register triggering module is configured for sending a state change register request, an upper layer protocol type register request and a port attribute register request to the switch after the logic port receives a login response signal returned by the switch;
and the disconnection module is configured to disconnect the logical connection with the switch after the logical port receives the registration completion prompt message returned by the switch.
Optionally, as an embodiment of the present invention, the start triggering module is further configured to:
presetting trigger signal waiting time;
after receiving any notification message in the trigger signal of the logic port, waiting for receiving other notification messages and calculating the actual waiting time;
judging whether two notification messages forming the trigger signal are received or not when the actual waiting time reaches the waiting time of the trigger signal:
if not, outputting an error prompt which cannot be started.
Fig. 3 is a schematic structural diagram of a terminal 300 according to an embodiment of the present invention, where the terminal 300 may be used to execute a method for starting an optical fiber docking port according to the embodiment of the present invention.
Among them, the terminal 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 server shown in the figures is not intended to be limiting, and that it may be a bus architecture, a star architecture, a combination of more or fewer components than 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, the invention takes the notice message connected with the opposite terminal and the notice message of the protocol layer calling the driving layer as the trigger signal for starting the logic port of the optical fiber butt joint port, thereby giving the control right of starting/stopping the logic port to the SCSI protocol layer. The invention can avoid various problems caused by the fact that the SCSI protocol layer is not ready when the remote device issues IO to the SCSI protocol layer after the drive layer is automatically connected with the remote device in the SCSI protocol layer and FC drive layered design, increases the robustness of the storage system, and improves the product competitiveness.
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 position, or may be distributed on multiple 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 should be 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 disclosure and the 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 method for starting a fiber docking port, comprising:
taking a notification message connected with an opposite terminal and a notification message of a protocol layer calling a driving layer as trigger signals for starting a logic port of the optical fiber butt joint port, and writing the trigger signals of the logic port into an input/output control strategy;
making a logic port login switch and registering process parameters, and writing the process parameters into an input and output control strategy;
inputting an input and output control strategy into the firmware of the optical fiber butt joint port, and controlling the starting of a logic port of the optical fiber butt joint port through the input and output control strategy;
controlling the start of the logical port of the optical fiber docking port through the input and output control strategy, comprising:
after the firmware of the optical fiber docking interface receives the notification message connected with the opposite terminal and the notification message of the protocol layer calling the driving layer, starting a logic port;
the logic port calculates waiting time and sends a login request to the switch after the waiting time reaches the waiting time in the input and output control strategy;
after receiving a login response signal returned by the switch, the logic port sends a state change registration request, an upper layer protocol type registration request and a port attribute registration request to the switch;
and after the logic port receives the registration completion prompt message returned by the switch, the logic port disconnects the logic connection with the switch.
2. The method of claim 1, wherein the formulating the flow parameters for the logical port to log in to the switch and register comprises:
setting the waiting time for sending a login request after the logic port receives a complete trigger signal;
and taking the login response signal sent by the switch as a trigger signal for initiating registration.
3. The method of claim 1, wherein starting the logical port after the firmware of the fiber docking interface receives the notification message of the connection with the opposite end and the notification message of the protocol layer calling the driver layer comprises:
presetting trigger signal waiting time;
after receiving any notification message in the trigger signal of the logic port, waiting for receiving other notification messages and calculating the actual waiting time;
judging whether two notification messages forming the trigger signal are received or not when the actual waiting time reaches the waiting time of the trigger signal:
if not, outputting an error prompt which cannot be started.
4. A fiber optic docking port activation system, comprising:
the trigger formulation unit is configured to take a notification message connected with an opposite terminal and a notification message of a protocol layer calling a driving layer as trigger signals for starting a logic port of the optical fiber docking port, and write the trigger signals of the logic port into an input/output control strategy;
the register making unit is configured for writing the process parameters for logging the logic port in the switch and registering into an input and output control strategy;
the strategy execution unit is configured to input an input/output control strategy into the firmware of the optical fiber docking port, and control the starting of the logic port of the optical fiber docking port through the input/output control strategy;
controlling the start of the logical port of the optical fiber docking port through the input and output control strategy, comprising:
the starting triggering module is configured for starting the logic port after the firmware of the optical fiber docking interface receives the notification message connected with the opposite terminal and the notification message of the protocol layer calling the driving layer;
the login triggering module is configured for calculating the waiting time of the logic port and sending a login request to the switch after the waiting time reaches the waiting time in the input and output control strategy;
the register triggering module is configured for sending a state change register request, an upper layer protocol type register request and a port attribute register request to the switch after the logic port receives a login response signal returned by the switch;
and the disconnection module is configured to disconnect the logical connection with the switch after the logical port receives the registration completion prompt message returned by the switch.
5. The system of claim 4, wherein the process parameters for logging the logical port into the switch and registering the logical port comprise:
the login trigger setting module is configured to set the waiting time for sending the login request after the logic port receives the complete trigger signal;
and the registration trigger setting module is configured to take the login response signal sent by the switch as a trigger signal for initiating registration.
6. The system of claim 4, wherein the start triggering module is further configured to:
presetting trigger signal waiting time;
after receiving any notification message in the trigger signal of the logic port, waiting for receiving other notification messages and calculating the actual waiting time;
judging whether two notification messages forming the trigger signal are received or not when the actual waiting time reaches the waiting time of the trigger signal:
if not, outputting an error prompt which cannot be started.
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.
CN202010953321.9A 2020-09-11 2020-09-11 Optical fiber butt joint port starting method, system, terminal and storage medium Active CN112256613B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101655773A (en) * 2008-08-18 2010-02-24 中兴通讯股份有限公司 Disk array miniature computer system interface target device and data transmission method
CN109547875A (en) * 2018-12-21 2019-03-29 西安云维智联科技有限公司 A kind of FC exchange network arbitrary port access design method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101655773A (en) * 2008-08-18 2010-02-24 中兴通讯股份有限公司 Disk array miniature computer system interface target device and data transmission method
CN109547875A (en) * 2018-12-21 2019-03-29 西安云维智联科技有限公司 A kind of FC exchange network arbitrary port access design method

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