CN112636956A - Optimization method and device of distributed object storage gateway and electronic equipment - Google Patents
Optimization method and device of distributed object storage gateway and electronic equipment Download PDFInfo
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- CN112636956A CN112636956A CN202011453103.5A CN202011453103A CN112636956A CN 112636956 A CN112636956 A CN 112636956A CN 202011453103 A CN202011453103 A CN 202011453103A CN 112636956 A CN112636956 A CN 112636956A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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Abstract
The embodiment of the invention discloses an optimization method and device of a distributed object storage gateway and electronic equipment, wherein the optimization method comprises the following steps: electing a first main recovery node in the HA component cluster, and creating a first distributed object lock in the distributed object storage system through the first main recovery node, wherein the first distributed object lock is a mutual exclusion lock; the first main recovery node periodically acquires the state code of the first distributed object lock; and if the first network card of the object storage gateway where the first main recovery node is located fails, deleting the first distributed object lock, selecting a second main recovery node in the HA component cluster, and creating a second distributed object lock in the distributed object storage system through the second main recovery node. The invention can keep the high availability of the object gateway service.
Description
Technical Field
The embodiment of the invention relates to the technical field of storage systems, in particular to an optimization method and device of a distributed object storage gateway and electronic equipment.
Background
The distributed object storage system provides object storage services to users who need to access the distributed object storage system through an object storage gateway, such as uploading and downloading objects. A user usually configures a plurality of object gateways for the distributed object storage system to increase redundancy, and then provides high availability of an object gateway service by combining a common dual cluster system (HA) component, that is, when one object gateway fails, the user can use other normally operating object gateways to continue accessing the distributed object storage system at the back end without changing any configuration.
However, when the intranet of the HA component cluster main recovery node fails, the HA component cluster cannot transfer the public IP fault responsible for the failed node to the normally operating object gateway node.
Disclosure of Invention
The embodiment of the invention aims to provide an optimization method of a distributed object storage gateway, which is used for solving the problem that an intranet of an HA component cluster main recovery node of the existing distributed object storage system HAs a fault, and the HA component cluster can not transfer the public IP fault responsible by the fault node to a normally working object gateway node.
In order to achieve the above object, the embodiments of the present invention mainly provide the following technical solutions:
in a first aspect, an embodiment of the present invention provides an optimization method for a distributed object storage gateway, including:
selecting a first main recovery node in an HA component cluster of a dual-computer cluster system, and creating a first distributed object lock in a distributed object storage system through the first main recovery node, wherein the first distributed object lock is a mutual exclusion lock;
the first master recovery node periodically acquires a state code of the first distributed object lock;
if the first network card of the object storage gateway where the first main recovery node is located HAs a fault, deleting the first distributed object lock, selecting a second main recovery node in the HA component cluster, and creating a second distributed object lock in the distributed object storage system through the second main recovery node;
each object storage gateway is provided with an HA component, a first network card and a second network card, the first network card of each object storage gateway is provided with a first intranet IP address and a public network IP address, the second network card of each object storage gateway is provided with a second intranet IP address, the first intranet IP address of each object storage gateway is used for communication inside the HA component cluster, and the second intranet IP address of each object storage gateway is used for communication with the distributed object storage system.
According to an embodiment of the present invention, after the creating of the first distributed object lock and before the failure of the first network card of the object storage gateway where the first primary recovery node is located, the method further includes:
if a first node in the HA component cluster except the first main recovery node is down, the first main recovery node reallocates the public network IP address responsible by the first node to a node which normally works.
According to an embodiment of the present invention, after the first node resumes normal joining to the HA component cluster, the first node is assigned with the originally responsible public network IP address of the first node.
In a second aspect, an embodiment of the present invention further provides an optimization apparatus for a distributed object storage gateway, including:
a main recovery node election module, configured to elect a first main recovery node in the HA component cluster;
a distributed object lock management module, configured to create a first distributed object lock in the distributed object storage system through the first master recovery node, where the first distributed object lock is a mutual exclusion lock;
a status code obtaining module, configured to periodically obtain, by the first master recovery node, a status code of the first distributed object lock;
the control processing module is used for deleting the first distributed object lock if a first network card of an object storage gateway where the first main recovery node is located fails;
wherein the master recovery node election module is further configured to select a second master recovery node in the HA component cluster, and the distributed object lock management module is further configured to create a second distributed object lock in the distributed object storage system through the second master recovery node;
each object storage gateway is provided with an HA component, a first network card and a second network card, the first network card of each object storage gateway is provided with a first intranet IP address and a public network IP address, the second network card of each object storage gateway is provided with a second intranet IP address, the first intranet IP address of each object storage gateway is used for communication inside the HA component cluster, and the second intranet IP address of each object storage gateway is used for communication with the distributed object storage system.
According to an embodiment of the present invention, after the first distributed object lock is created and before the first network card of the object storage gateway where the first main recovery node is located fails, if a first node in the HA component cluster other than the first main recovery node goes down, the first main recovery node reallocates the public network IP address for which the first node is responsible to a node that normally operates.
According to an embodiment of the present invention, the control processing module is further configured to, if the first node returns to normal joining to the HA component cluster, allocate a public network IP address originally responsible for the first node to the first node.
In a third aspect, an embodiment of the present invention further provides an electronic device, including: at least one processor and at least one memory; the memory is to store one or more program instructions; the processor is configured to execute one or more program instructions to perform the optimization method of the distributed object storage gateway according to the first aspect.
In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium containing one or more program instructions for being executed to perform the optimization method for the distributed object storage gateway according to the first aspect.
The technical scheme provided by the embodiment of the invention at least has the following advantages:
according to the optimization method, device and electronic equipment of the distributed object storage gateway provided by the embodiment of the invention, in the process of executing recovery of the HA component process of the main recovery node, the network card state is checked, if a fault is found, the object lock held by the main recovery node is actively deleted and released, and the main recovery node is forbidden to initiate no new election for a certain time (within a default time of 300 s), so that the Master nodes of other HA components are allowed to create a new object lock, and therefore, the new main recovery node can normally perform recovery work, including takeover distribution work of public network IP, and finally high availability of the object gateway service is maintained.
Drawings
Fig. 1 is a flowchart of an optimization method of a distributed object storage gateway according to an embodiment of the present invention.
Fig. 2 is a system configuration diagram in one example of the invention.
Fig. 3 is a block diagram of an optimization apparatus of a distributed object storage gateway according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
In the following description, for purposes of explanation and not limitation, specific details are set forth such as particular system structures, interfaces, techniques, etc. in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In the description of the present invention, it is to be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as meaning directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a flowchart of an optimization method of a distributed object storage gateway according to an embodiment of the present invention. As shown in fig. 1, the method for optimizing a distributed object storage gateway according to the embodiment of the present invention includes:
s1: and selecting a first main recovery node in the HA component cluster of the dual-computer cluster system, creating a first distributed object lock in the distributed object storage system through the first main recovery node, and recording all the current private network ip addresses in the first distributed object lock. The electing of the first main recovery node in the HA component cluster is well known in the art, and the first distributed object lock is a mutual exclusion lock, that is, only one HA component node acquires at the same time, and an expiration time (default 10 seconds) is set. The first primary recovery node is responsible for data recovery and IP failure takeover.
Fig. 2 is a system configuration diagram in one example of the invention. As shown in fig. 2, the back-end distributed object storage system is connected to the object gateway of the front-end through the network device switch, and the HA component daemon runs on the object gateway node. The client accesses the back-end distributed storage system through the object gateway, 3 object gateway nodes are configured in the example, but in practical application, the number of the object gateway nodes can be adjusted according to requirements. Each object storage gateway is provided with an HA component, a first network card (namely a network card 1) and a second network card (namely a network card 2).
The network card 1 is configured with an internal private network IP address (e.g. 192.168.10./24, as shown in the figure, intranet 1) for the HA component cluster to perform internal communication, and meanwhile, public network IP addresses are allocated to the HA components, and the HA components will finally automatically allocate the public network IP addresses to the network card 1 of the target gateway node, and the client accesses the target gateway through the public network IP. In the present example, the object gateway node network card 2 is provided with a private network IP address (e.g., 192.168.20./24, as shown in the figure, intranet 2), and the network segment is different from the HA component private network segment (192.168.10./24) and is used for communication between the object gateway and the backend distributed object storage system, and all object gateway and HA component processes can access the backend distributed storage.
S2: the first master recovery node periodically obtains the state code of the first distributed object lock. Illustratively, the first master recovery node acquires the state code of the first distributed object lock every 5 seconds to maintain the identity of its own master recovery node.
S3: and if the first network card of the object storage gateway where the first main recovery node is located fails, deleting the first distributed object lock, selecting a second main recovery node in the HA component cluster, and creating a second distributed object lock in the distributed object storage system through the second main recovery node.
In this embodiment, all nodes need to periodically send heartbeat signals to the distributed object storage system, and once a certain node does not send heartbeat signals after time out, it is determined that the node is down.
If the first main recovery node is down and the status code of the first distributed object lock is not acquired within the object lock expiration time (default 10 seconds), the back-end distributed object storage system automatically deletes the first distributed object lock. However, if the network card 1 of the first main recovery node fails, that is, the first main recovery node is not down, but only the first network card fails, at this time, the HA component cluster cannot complete the failover on the network card. Because the network card 2 is good at this time, the first master recovery node can still communicate with the backend distributed object storage system, that is, the first master recovery node can continue to periodically acquire the status code of the first distributed object lock. At this time, the old object lock still exists and always exists (because the first main recovery node always acquires the object lock periodically), so that the second main recovery node can never take the object lock, and therefore the HA component cluster recovery operation can not be performed, including the takeover allocation work of the public network IP on the first main recovery node, and further the object gateway public network IP on the first main recovery node is unavailable.
In this embodiment, in the process of performing data recovery by the first main recovery node, the state of the network card 1 is checked, and if a failure is found, the object lock held by the first main recovery node is actively deleted and released, and it is prohibited that the first main recovery node does not initiate new elections for a certain time (within a default 300 s), and other HA component main recovery node nodes create new object locks, so that the new main recovery node can normally perform recovery work, including takeover allocation work of public network IP, and finally high availability of object gateway services is maintained.
In an embodiment of the present invention, after step S2, the method further includes: if a first node except the first main recovery node in the HA component cluster is down, the first main recovery node redistributes the public network IP address responsible by the first node to a node which normally works, so that the object gateway service is kept continuously and highly available. The entire service recovery process is transparent to the user.
In one embodiment of the present invention, further comprising: and if the first node is restored to be normally added into the HA component cluster, the public network IP address which is originally responsible for the first node is allocated to the first node.
Fig. 3 is a block diagram of an optimization apparatus of a distributed object storage gateway according to an embodiment of the present invention. As shown in fig. 3, an optimization apparatus of a distributed object storage gateway according to an embodiment of the present invention includes: a main recovery node election module 100, a distributed object lock management module 200, a status code acquisition module 300, and a control processing module 400.
The master recovery node election module 100 is configured to elect a first master recovery node in the cluster of HA components. The distributed object lock management module 200 is configured to create a first distributed object lock in the distributed object storage system through the first master recovery node, where the first distributed object lock is a mutual exclusion lock. The status code acquiring module 300 is configured to periodically acquire, by the first master recovery node, a status code of the first distributed object lock. The control processing module 400 is configured to delete the first distributed object lock if the first network card of the object storage gateway where the first master recovery node is located fails. Wherein the master recovery node election module 100 is further configured to select a second master recovery node in the cluster of HA components. The distributed object lock management module 200 is also operable to create a second distributed object lock in the distributed object storage system via a second master recovery node.
Each object storage gateway is provided with an HA component, a first network card and a second network card, the first network card of each object storage gateway is provided with a first intranet IP address and a public network IP address, the second network card of each object storage gateway is provided with a second intranet IP address, the first intranet IP address of each object storage gateway is used for communicating in the HA component cluster, and the second intranet IP address of each object storage gateway is used for communicating with the distributed object storage system.
In an embodiment of the present invention, the control processing module 400 is further configured to, after the first distributed object lock is created and before the first network card of the object storage gateway where the first main recovery node is located fails, if a first node in the HA component cluster other than the first main recovery node goes down, the first main recovery node reallocates the public network IP address for which the first node is responsible to a node that normally operates.
In an embodiment of the present invention, the control processing module 400 is further configured to, if the first node returns to normal joining to the HA component cluster, assign the first node the previously responsible public network IP address.
It should be noted that, a specific implementation of the optimization apparatus for a distributed object storage gateway in the embodiment of the present invention is similar to a specific implementation of the optimization method for a distributed object storage gateway in the embodiment of the present invention, and specific reference is specifically made to the description of the optimization method portion of a distributed object storage gateway, and details are not repeated in order to reduce redundancy.
In addition, other configurations and functions of the optimization apparatus of the distributed object storage gateway according to the embodiment of the present invention are known to those skilled in the art, and are not described in detail for reducing redundancy.
An embodiment of the present invention further provides an electronic device, including: at least one processor and at least one memory; the memory is to store one or more program instructions; the processor is configured to execute one or more program instructions to perform the optimization method of the distributed object storage gateway according to the first aspect.
The embodiments disclosed herein provide a computer-readable storage medium, in which computer program instructions are stored, and when the computer program instructions are run on a computer, the computer is caused to execute the optimization method of the distributed object storage gateway.
In an embodiment of the invention, the processor may be an integrated circuit chip having signal processing capability. The Processor may be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component.
The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The processor reads the information in the storage medium and completes the steps of the method in combination with the hardware.
The storage medium may be a memory, for example, which may be volatile memory or nonvolatile memory, or which may include both volatile and nonvolatile memory.
The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory.
The volatile Memory may be a Random Access Memory (RAM) which serves as an external cache. By way of example and not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (ddr Data Rate SDRAM), Enhanced SDRAM (ESDRAM), synchlink DRAM (SLDRAM), and Direct Rambus RAM (DRRAM).
The storage media described in connection with the embodiments of the invention are intended to comprise, without being limited to, these and any other suitable types of memory.
Those skilled in the art will appreciate that the functionality described in the present invention may be implemented in a combination of hardware and software in one or more of the examples described above. When software is applied, the corresponding functionality may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made on the basis of the technical solutions of the present invention should be included in the scope of the present invention.
Claims (8)
1. A method for optimizing a distributed object storage gateway, comprising:
selecting a first main recovery node in an HA component cluster of a dual-computer cluster system, and creating a first distributed object lock in a distributed object storage system through the first main recovery node, wherein the first distributed object lock is a mutual exclusion lock;
the first master recovery node periodically acquires a state code of the first distributed object lock;
if the first network card of the object storage gateway where the first main recovery node is located HAs a fault, deleting the first distributed object lock, selecting a second main recovery node in the HA component cluster, and creating a second distributed object lock in the distributed object storage system through the second main recovery node;
each object storage gateway is provided with an HA component, a first network card and a second network card, the first network card of each object storage gateway is provided with a first intranet IP address and a public network IP address, the second network card of each object storage gateway is provided with a second intranet IP address, the first intranet IP address of each object storage gateway is used for communication inside the HA component cluster, and the second intranet IP address of each object storage gateway is used for communication with the distributed object storage system.
2. The method according to claim 1, wherein after the creating of the first distributed object lock and before a failure of a first network card of the object storage gateway where the first primary recovery node is located, the method further comprises:
if a first node in the HA component cluster except the first main recovery node is down, the first main recovery node reallocates the public network IP address responsible by the first node to a node which normally works.
3. The method for optimizing a distributed object storage gateway according to claim 1, further comprising, after reassigning the public network IP address for which the first node is responsible to a node that is operating normally:
and if the first node returns to be normally added into the HA component cluster, distributing the original public network IP address of the first node to the first node.
4. An apparatus for optimizing a distributed object store gateway, comprising:
a main recovery node election module, configured to elect a first main recovery node in the HA component cluster;
a distributed object lock management module, configured to create a first distributed object lock in the distributed object storage system through the first master recovery node, where the first distributed object lock is a mutual exclusion lock;
a status code obtaining module, configured to periodically obtain, by the first master recovery node, a status code of the first distributed object lock;
the control processing module is used for deleting the first distributed object lock if a first network card of an object storage gateway where the first main recovery node is located fails;
wherein the master recovery node election module is further configured to select a second master recovery node in the HA component cluster, and the distributed object lock management module is further configured to create a second distributed object lock in the distributed object storage system through the second master recovery node;
each object storage gateway is provided with an HA component, a first network card and a second network card, the first network card of each object storage gateway is provided with a first intranet IP address and a public network IP address, the second network card of each object storage gateway is provided with a second intranet IP address, the first intranet IP address of each object storage gateway is used for communication inside the HA component cluster, and the second intranet IP address of each object storage gateway is used for communication with the distributed object storage system.
5. The apparatus for optimizing a distributed object storage gateway according to claim 4, wherein the control processing module is further configured to, after the first distributed object lock is created and before a first network card of the object storage gateway where the first main recovery node is located fails, if a first node in the HA component cluster other than the first main recovery node goes down, the first main recovery node reallocates a public network IP address for which the first node is responsible to a node that normally operates.
6. The apparatus of claim 5, wherein the control processing module is further configured to assign a public network IP address originally responsible for the first node to the first node if the first node returns to normal joining to the HA component cluster.
7. An electronic device, characterized in that the electronic device comprises: at least one processor and at least one memory;
the memory is to store one or more program instructions;
the processor, configured to execute one or more program instructions to perform the method for optimizing a distributed object storage gateway according to any one of claims 1 to 3.
8. A computer-readable storage medium having one or more program instructions embodied therein for performing the method of optimizing a distributed object storage gateway of any of claims 1-3.
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