CN112073478B - Storage cluster disassembling method, combination method, device, equipment and medium - Google Patents
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Abstract
The invention discloses a storage cluster disassembling method, a combination method, a device, equipment and a medium, wherein the method comprises the following steps: initializing a first current code of each first node in a cluster to be disassembled; determining a first number of second nodes required by a first cluster to be constructed; selecting one second node from all second nodes as a first configuration node, and marking each second node except the first configuration node as a first non-configuration node; determining a first cluster code of a first cluster to be constructed according to a first serial number of a first configuration node and a first code to be used; controlling the first configuration node to send the first cluster code to each first non-configuration node; and restarting the first configuration nodes and the first non-configuration nodes to complete the construction of the first cluster to be constructed. The method and the device have the advantages that splitting time is saved, efficiency and accuracy of splitting and constructing the cluster are improved, labor cost is greatly reduced, and user experience and product competitiveness are improved.
Description
Technical Field
The present invention relates to the technical field of storage systems, and in particular, to a method, an apparatus, a device, and a medium for disassembling and assembling a storage cluster.
Background
The storage system is a system in which a computer is composed of various storage devices for storing programs and data, a control unit, a device (hardware) for managing information scheduling, and an algorithm (software). The main memory of the computer can not meet the requirements of high access speed, large storage capacity and low cost at the same time, and a multi-level hierarchical memory with the speed from slow to fast and the capacity from large to small is required in the computer to form a storage system with acceptable performance by an optimal control scheduling algorithm and reasonable cost.
In the practical application process, a storage mode of distributing data to each node in a storage cluster is adopted to improve the storage capacity supported by the storage system, wherein the storage cluster is a storage pool capable of aggregating storage spaces in a plurality of physical volumes (such as magnetic disks or hard disks) into one unified access interface capable of providing clients with a unified access interface, and the clients can access and utilize the storage spaces on the storage cluster through the access interface.
In the storage cluster application process, when different storage service demands are met, a storage cluster with a storage space matched with the service demands needs to be provided, however, the storage cluster provided in the related art is relatively stable, when the storage space of the storage cluster needs to be changed, the storage cluster needs to be manually changed on hardware, the hardware changing efficiency is low, the manual changing depends on manual changing, and the error rate is high, so that the storage cluster provided in the related art cannot meet the high requirement of the storage service.
Disclosure of Invention
The embodiment of the application provides a storage cluster disassembling method, a storage cluster assembling method, a storage cluster disassembling device, a storage cluster disassembling apparatus and a storage cluster disassembling medium, solves the technical problem that a storage cluster matched with a storage service cannot be accurately and quickly provided in the prior art, and achieves the technical effect of providing a corresponding storage cluster for the storage service with high efficiency and low error rate.
In a first aspect, the present application provides a storage cluster disassembling method, including:
initializing a first current code of each first node in the cluster to be disassembled to enable each first node to be separated from the cluster to be disassembled;
determining a first number of second nodes required by a first cluster to be constructed;
selecting a first number of first nodes from all first nodes as second nodes;
selecting one second node from all second nodes as a first configuration node, and marking each second node except the first configuration node as a first non-configuration node;
acquiring a first serial number and a first code to be used of a first configuration node, and determining a first cluster code of a first cluster to be constructed according to the first serial number and the first code to be used of the first configuration node;
controlling the first configuration node to send the first cluster code to each first non-configuration node, so that each first non-configuration node is synchronized with the first configuration parameters of the first configuration node;
and restarting the first configuration node and each first non-configuration node to enable the first configuration parameters of each first non-configuration node and the first configuration node to take effect, and further completing the construction of the first cluster to be constructed.
Further, the method further comprises:
determining a second number of third nodes required by a second cluster to be constructed;
selecting a first node having a second number from all the first nodes as a third node; wherein the third node is different from the second node;
selecting one third node from all the third nodes as a second configuration node, and marking all the third nodes except the second configuration node as second non-configuration nodes;
acquiring a second serial number and a second standby code of a second configuration node, and determining a second cluster code of a second cluster to be constructed according to the second serial number and the second standby code of the second configuration node;
controlling the second configuration node to send the second cluster code to each second non-configuration node, so that each second non-configuration node is synchronous with the second configuration parameters of the second configuration node;
and restarting the second configuration node and each second non-configuration node to enable second configuration parameters of each second non-configuration node and each second configuration node to take effect, and further completing the construction of the second cluster to be constructed.
Further, prior to determining the first number of second nodes needed for the first cluster to be built, the method comprises:
according to the storage space sharing relation among the first nodes in the cluster to be disassembled, marking a plurality of first nodes sharing one storage space as a first node group;
determining the number of first nodes corresponding to each first node group;
after determining the first number of the second nodes required by the first cluster to be constructed, selecting the first nodes of the first number as the second nodes from all the first nodes, specifically including:
selecting n first node groups from the plurality of first node groups as second node groups, enabling the number of first nodes in the n second node groups to be equal to the first number, and marking the first nodes in the n second node groups as second nodes; wherein n is a positive integer.
In a second aspect, the present application provides a storage cluster combination method, including:
determining a fourth number of nodes required by the cluster to be combined;
selecting a plurality of sub-clusters according to a fourth number, wherein each sub-cluster comprises a fourth node, and the sum of the number of the fourth nodes in the plurality of sub-clusters is equal to the fourth number;
initializing a fourth current code of a fourth node in each sub-cluster, so that each fourth node is separated from the corresponding sub-cluster;
selecting one fourth node from all fourth nodes as a fourth configuration node, and marking all fourth nodes except the fourth configuration node as fourth non-configuration nodes;
acquiring a fourth serial number and a fourth standby code of a fourth configuration node, and determining a fourth cluster code of the cluster to be combined according to the fourth serial number and the fourth standby code of the fourth configuration node;
controlling the fourth configuration node to send the fourth cluster code to each fourth non-configuration node, so that each fourth non-configuration node is synchronous with the fourth configuration parameter of the fourth configuration node;
and restarting the fourth configuration node and each fourth non-configuration node to enable the fourth configuration parameters of each fourth non-configuration node and each fourth configuration node to take effect, and further completing the construction of the cluster to be combined.
In a third aspect, the present application provides a storage cluster disassembling apparatus, including:
the first initialization module is used for initializing the first current codes of all the first nodes in the cluster to be disassembled so that all the first nodes are separated from the cluster to be disassembled;
a first determining module, configured to determine a first number of second nodes required by a first cluster to be constructed;
a first selection module, configured to select a first number of first nodes from all first nodes as second nodes;
a second selection module, configured to select one second node from all the second nodes as a first configuration node, and mark each second node except the first configuration node as a first non-configuration node;
the second determining module is used for acquiring a first serial number and a first code to be used of the first configuration node, and determining a first cluster code of a first cluster to be constructed according to the first serial number and the first code to be used of the first configuration node;
the first synchronization module is used for controlling the first configuration nodes to send the first cluster codes to each first non-configuration node, so that each first non-configuration node is synchronized with the first configuration parameters of the first configuration nodes;
and the first restarting module is used for restarting the first configuration nodes and the first non-configuration nodes so that the first configuration parameters of the first non-configuration nodes and the first configuration nodes take effect, and further the construction of the first cluster to be constructed is completed.
Further, the apparatus further comprises:
a third determining module, configured to determine a second number of third nodes required by a second cluster to be constructed;
a third selection module for selecting a second number of first nodes from all the first nodes as third nodes; wherein the third node is different from the second node;
a fourth selecting module, configured to select one third node from all the third nodes as a second configuration node, and mark each third node except the second configuration node as a second non-configuration node;
the fourth determining module is used for acquiring a second serial number and a second standby code of the second configuration node, and determining a second cluster code of a second cluster to be constructed according to the second serial number and the second standby code of the second configuration node;
the second synchronization module is used for controlling the second configuration nodes to send the second cluster codes to each second non-configuration node, so that each second non-configuration node is synchronized with the second configuration parameters of the second configuration nodes;
and the second restarting module is used for restarting the second configuration nodes and each second non-configuration node so that second configuration parameters of each second non-configuration node and each second configuration node take effect, and further the construction of a second cluster to be constructed is completed.
Further, the apparatus comprises:
a fifth determining module, configured to mark, as a first node group, a plurality of first nodes sharing a storage space according to a storage space sharing relationship between the first nodes in the cluster to be disassembled;
a sixth determining module, configured to determine the number of first nodes corresponding to each first node group;
the first selection module further comprises:
the selecting submodule is used for selecting n first node groups from the plurality of first node groups as second node groups, enabling the number of first nodes in the n second node groups to be equal to the first number, and marking the first nodes in the n second node groups as second nodes; wherein n is a positive integer.
In a fourth aspect, the present application provides a storage cluster assembly apparatus, comprising:
a seventh determining module, configured to determine a fourth number of nodes required by the cluster to be combined;
a fifth selecting module, configured to select a plurality of sub-clusters according to a fourth number, where each sub-cluster includes a fourth node, and a sum of the numbers of the fourth nodes in the plurality of sub-clusters is equal to the fourth number;
a second initialization module, configured to initialize a fourth current code of a fourth node in each sub-cluster, so that each fourth node is separated from the corresponding sub-cluster;
a sixth selecting module, configured to select one fourth node from all the fourth nodes as a fourth configuration node, and mark each fourth node except the fourth configuration node as a fourth non-configuration node;
an eighth determining module, configured to obtain a fourth serial number and a fourth standby code of a fourth configuration node, and determine a fourth cluster code of the cluster to be combined according to the fourth serial number and the fourth standby code of the fourth configuration node;
the third synchronization module is used for controlling the fourth configuration node to send the fourth cluster code to each fourth non-configuration node, so that each fourth non-configuration node is synchronized with the fourth configuration parameter of the fourth configuration node;
and the third restarting module is used for restarting the fourth configuration nodes and the fourth non-configuration nodes so that the fourth configuration parameters of the fourth non-configuration nodes and the fourth configuration nodes take effect, and further the construction of the cluster to be combined is completed.
In a fifth aspect, the present application provides an electronic device, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute to implement a storage cluster disaggregation method or to implement a storage cluster combining method.
In a sixth aspect, the present application provides a non-transitory computer-readable storage medium, wherein instructions of the storage medium, when executed by a processor of an electronic device, enable the electronic device to perform a method for implementing a storage cluster splitting method or a method for implementing a storage cluster combining method.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. the splitting mode that this application provided can be with a cluster of waiting to disassemble simultaneously or not simultaneous split into a plurality of clusters, has further avoided the loaded down with trivial details of manual change hardware information among the correlation technique, has further saved the split time, has improved efficiency and the rate of accuracy of cluster split, construction, has still further reduced the human cost simultaneously, promotes the competitiveness of user experience and product.
2. The storage space sharing relation between each node in the cluster to be disassembled is preset with the nodes of the shared storage space in the same cluster, namely, a plurality of nodes of the shared storage space are packaged into the same cluster service, the situation that data disorder error reporting is caused when the shared storage space is in different clusters is avoided, the cluster splitting efficiency and accuracy are further improved, and the labor cost is reduced.
3. The combination mode provided by the application avoids the complexity of manually changing hardware information in the correlation technique, saves the combination time, improves the cluster combination efficiency and accuracy, greatly reduces the labor cost, and improves the user experience and the product competitiveness.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic view of an undisassembled cluster structure provided in the present application;
fig. 2 is a schematic diagram of a split two cluster structure provided in the present application;
fig. 3 is a flowchart of a storage cluster disassembling method provided in the present application;
FIG. 4 is a flowchart of a storage cluster assembly method provided by the present application;
fig. 5 is a schematic structural diagram of a storage cluster disassembling apparatus provided in the present application;
fig. 6 is a schematic structural diagram of a storage cluster assembly apparatus provided in the present application;
fig. 7 is a flowchart of a storage cluster combination method provided in the present application.
Detailed Description
Before explaining the technical scheme of the application, the applicant combs the related technology as follows:
in the storage system provided by the related art, each node in a Cluster stores two Cluster codes, one is a Cluster code of a Current Cluster (i.e. Current Cluster ID, which is denoted as CCID, which is abbreviated as Current code), and the other is a Cluster code of a Next Cluster (i.e. Next Cluster ID, which is denoted as NCID, which is abbreviated as standby code), wherein the value of the NCID is an increment value of the CCID. For example, when CCID is 0 × 0001, NCID is 0 × 0002. In practical applications, when the current cluster containing a node a is disassembled, i.e. the current code of the node a is eliminated, the inactive code of the node a becomes the current code of the node a when the node a joins the next cluster.
The CCID of each node in the same cluster is the same, and since the NCID is an incremental value of the CCID, the NCID of each node in the same cluster is the same.
As shown in fig. 1, fig. 1 provides a cluster including node 1, node 2, node 3, and node 4, where CCID of node 1, node 2, node 3, and node 4 is 0 × 0001, and NCID is 0 × 0002. I.e. the cluster code of the cluster shown in fig. 1 is 0 x 0001.
According to different service requirements, clusters of different scales need to be provided. However, the storage space of the cluster is limited, that is, the nodes constituting the cluster are limited, and when the nodes are limited, the utilization rate of each node needs to be increased. Therefore, the cluster needs to be split into a plurality of clusters, or a plurality of clusters need to be combined into one cluster.
When the cluster shown in fig. 1 completes the current service, the next service requires two clusters, one of which includes node 1 and node 2, and the other of which includes node 3 and node 4. The cluster shown in fig. 1 needs to be split, and the specific process is as follows:
the CCIDs of the node 1, the node 2, the node 3 and the node 4 are initialized, that is, the CCIDs of the node 1, the node 2, the node 3 and the node 4 are set to 0 × 0000, while the NCIDs of the node 1, the node 2, the node 3 and the node 4 are not changed. When the CCID of the node 1, the node 2, the node 3 and the node 4 is 0 × 0000, it indicates that the node 1, the node 2, the node 3 and the node 4 do not belong to any cluster.
After the CCID of the node 1, the node 2, the node 3, and the node 4 is set to 0 × 0000, if the NCID is not changed, after the node 1, the node 2, the node 3, and the node 4 are restarted, the NCID becomes a new CCID instead of the previous CCID, that is, the new CCID is 0 × 0002. Since the new CCID of the node 1, the node 2, the node 3, and the node 4 are the same and are all 0 × 0002, the storage system considers that the node 1, the node 2, the node 3, and the node 4 belong to the same cluster.
When a cluster consisting of node 1, node 2, node 3, and node 4, all of which have CCID of 0 × 0002, is put into a corresponding service, communication between nodes is disturbed and error is reported. That is, the originally split clusters are the cluster formed by the node 1 and the node 2, and the cluster formed by the node 3 and the node 4, respectively, when the service is executed, the node 1 is used as a configuration node, and since the node 1 assumes that the node 3 and the node 4 belong to the same cluster as the node 1, data is sent to the node 3 and the node 4, which may cause communication disorder.
Therefore, in the related art, after the CCID of the node 1, the node 2, the node 3, and the node 4 is set to 0 × 0000, the following method is adopted:
the NCIDs of the nodes 1, 2, 3, and 4 are manually changed, that is, the NCIDs of the nodes 1 and 2 are changed to 0 × 0003, the CCIDs of the nodes 3 and 4 are not changed and are still 0 × 0002, so that the NCIDs of the nodes 1 and 2 are not the same as the NCIDs of the nodes 3 and 4, and after the nodes 1, 2, 3, and 4 are restarted, the CCIDs of the nodes 1 and 2 are 0 × 0003 and the CCIDs of the nodes 3 and 4 are 0 × 0002, that is, the nodes 1, 2, 3, and 4 originally belonging to one cluster are successfully split into two clusters, as shown in fig. 2, including the cluster 1 and the cluster 2, which respectively include the node 1 and the node 2, and the node 3 and the node 4.
Or, the NCIDs of the node 3 and the node 4 are changed to 0 × 0003, the CCIDs of the node 1 and the node 2 are not changed, and are still 0 × 0002, so that the NCIDs of the node 1 and the node 2 are not the same as the NCIDs of the node 3 and the node 4, and after the node 1, the node 2, the node 3, and the node 4 are restarted, the CCIDs of the node 1 and the node 2 are 0 × 0002, and the CCIDs of the node 3 and the node 4 are 0 × 0003, that is, the node 1, the node 2, the node 3, and the node 4 which originally belong to one cluster are successfully split into two clusters, wherein the two clusters respectively include the node 1 and the node 2, and the node 3 and the node 4.
Therefore, in the related technology, the same cluster is split into a plurality of clusters by manually modifying the NCID of each node, the cluster size can be large or small, the modification efficiency, the modification error rate and the consumed manpower and time are greatly increased along with the increasing of the cluster size, and the defect of manually modifying the NCID is more obvious, so that the related technology has the technical problems of low efficiency, high error rate and high splitting cost when the cluster is split.
The embodiment of the application provides a storage cluster disassembling method, a storage cluster assembling method, a storage cluster disassembling device, a storage cluster disassembling equipment and a storage cluster disassembling medium, and solves the technical problems of low efficiency, high error rate and high disassembling cost in the prior art when a cluster is disassembled.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
a storage cluster disassembling method comprises the following steps: initializing a first current code of each first node in the cluster to be disassembled to enable each first node to be separated from the cluster to be disassembled; determining a first number of second nodes required by a first cluster to be constructed; selecting a first number of first nodes from all first nodes as second nodes; selecting one second node from all second nodes as a first configuration node, and marking each second node except the first configuration node as a first non-configuration node; acquiring a first serial number and a first to-be-used code of a first configuration node, and determining a first cluster ID of a first to-be-constructed cluster according to the first serial number and the first to-be-used code of the first configuration node; controlling the first configuration node to send the first cluster code to each first non-configuration node, so that each first non-configuration node is synchronized with the first configuration parameters of the first configuration node; and restarting the first configuration node and each first non-configuration node to enable the first configuration parameters of each first non-configuration node and the first configuration node to take effect, and further completing the construction of the first cluster to be constructed.
The splitting mode provided by the application avoids the complexity of manually changing hardware information in the correlation technique, saves splitting time, improves the efficiency and accuracy of splitting and constructing the cluster, greatly reduces the labor cost, and improves the user experience and the competitiveness of products.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
As shown in fig. 3, a method for disassembling a storage cluster includes:
step S31, initializing the first current codes of each first node in the cluster to be disassembled, so that each first node is separated from the cluster to be disassembled;
according to different service requirements, clusters of different scales need to be provided. However, the storage space of the cluster is limited, that is, the nodes constituting the cluster are limited, and when the nodes are limited, the utilization rate of each node needs to be increased. Therefore, clusters of different sizes need to be built using a limited number of nodes. When a cluster contains more nodes and is not suitable for the next service requirement, the cluster needs to be split, and the cluster needing to be split is marked as a cluster to be split. And recording the node in the cluster to be disassembled as a first node.
In order to avoid data storage errors, one node cannot be shared by a plurality of clusters, and therefore the first node needs to be detached from the cluster to be disassembled. That is, the first current code (i.e., the first CCID) of each first node in the cluster to be disassembled is initialized, so that the first CCID of each first node is 0 × 0000. The number of the first nodes in the cluster to be disassembled is multiple.
Step S32, determining a first number of second nodes required by the first cluster to be built;
the cluster processing the new service is not yet built, and for convenience of description, the cluster processing the new service is referred to as a first cluster to be built. And recording the needed node in the first cluster to be constructed as a second node. And determining a first number of second nodes required for constructing the first cluster to be constructed according to the new service requirement. The first number of the second nodes required by the first cluster to be constructed is smaller than the number of the first nodes in the cluster to be disassembled.
Step S33, selecting a first number of first nodes from all the first nodes as second nodes;
the first nodes to be disconnected from the cluster to be disassembled can all become the second nodes in the first cluster to be constructed, but the number of the first nodes is larger than the first number, so that the first number of the first nodes needs to be selected from all the first nodes as the second nodes. I.e. a first number of second nodes for constructing the first cluster to be constructed.
Step S34, selecting one second node from all the second nodes as a first configuration node, and marking each second node except the first configuration node as a first non-configuration node;
the cluster comprises a main node (also called a configuration node) and at least one sub-node (also called a non-configuration node), wherein the configuration node is used for realizing data exchange with external equipment, and simultaneously is also used for controlling each non-configuration node and realizing data exchange with each non-configuration node.
All the second nodes are nodes forming the first cluster to be constructed, one second node is selected from all the second nodes to be used as a first configuration node of the first cluster to be constructed, and the rest second nodes are used as first non-configuration nodes of the first cluster to be constructed.
Step S35, obtaining a first serial number and a second standby code of the first configuration node; the first serial number refers to a serial number of hardware equipment where the first configuration node is located; determining a first cluster code of the first cluster to be constructed according to the first serial number and the second code to be used of the first configuration node;
after the CCID of the node is initialized, the second dormant code (i.e., the second NCID) is not changed, and in the related art, if the cluster is to be split, the NCID of the corresponding node needs to be modified manually, that is, the hardware information needs to be modified manually, and after the node is restarted, the modified NCID is used as the CCID of the node in the next cluster.
The applicant finds that after the hardware equipment where each node is located leaves the factory, a serial number is unique and unchangeable, and the serial number is recorded as SNID.
In order to improve the efficiency and accuracy of splitting the cluster and reduce the labor cost, a first serial number (namely, a first SNID) of a hardware device where a first configuration node is located and a first to-be-used code (namely, a first NCID) of the first configuration node are obtained, and the first cluster code of a first to-be-constructed cluster is determined according to the first serial number and the first NCID corresponding to the first configuration node, wherein the first cluster code is substantially the CCID of the first configuration node, and is not similar to the CCID of the node in the next cluster after manual modification in the related art.
More specifically, a first serial number and a first code to be used are added to obtain a first cluster code; or determining the first cluster code by the first serial number and the first code to be used according to preset logic operation. The preset logic operation can be set according to specific conditions.
Step S36, controlling the first configuration node to send the first cluster code to each first non-configuration node, so that each first non-configuration node is synchronized with the first configuration parameter of the first configuration node;
and the first non-configuration node takes the first cluster code as the CCID of the first non-configuration node, and synchronizes various parameter data of the first non-configuration node with the first configuration node to prepare for constructing the first cluster to be constructed.
Step S37, the first configuration node and each first non-configuration node are restarted, so that the first configuration parameters of each first non-configuration node and the first configuration node become effective, and the first cluster to be constructed is further completed.
The first configuration node and each first non-configuration node can enable various synchronous configuration parameters to take effect after being restarted, so that the first configuration node and each first non-configuration node are restarted, the construction of the first cluster to be constructed is completed after the restarting, and the first cluster to be constructed can serve new services.
According to the method, a first node in a cluster to be disassembled is separated from the cluster to be disassembled, and a corresponding node is selected from the first node separated from the cluster to be disassembled as a second node of the first cluster to be constructed according to the number of second nodes required in the first cluster to be constructed; and determining a first configuration node from the plurality of second nodes, and determining a cluster code of a first cluster to be constructed according to the serial number and the NCID of the first configuration node, so that the first configuration node is synchronous with a first non-configuration node, and after restarting the first configuration node, forming the first cluster to be constructed, i.e. splitting the cluster to be disassembled to obtain a new cluster.
Further, the cluster to be disassembled can be split into a plurality of different clusters, and the construction of the plurality of different clusters can be carried out simultaneously or separately. When the above-described step S32 to step S37 are performed or after the above-described step S32 to step S37 are performed, the following steps may also be performed to create a second cluster to be built.
Step S42, determining a second number of third nodes required by a second cluster to be constructed;
step S42 is similar to step S32 and will not be described here.
Step S43, selecting a first node having a second number from all the first nodes as a third node; wherein the third node is different from the second node;
step S43 is similar to step S33 and will not be described here. It should be noted that the node cannot exist in both clusters, and therefore, the third node is different from the second node, that is, the node in the first cluster to be constructed is not duplicated with the node in the second cluster to be constructed.
Step S44, selecting one third node from all the third nodes as a second configuration node, and marking each third node except the second configuration node as a second non-configuration node;
step S44 is similar to step S34 and will not be described here.
Step S45, obtaining a second serial number and a second standby code of the second configuration node, and determining a second cluster code of a second cluster to be constructed according to the second serial number and the second standby code of the second configuration node;
step S45 is similar to step S35 and will not be described here.
Step S46, controlling the second configuration node to send the second cluster code to each second non-configuration node, so that each second non-configuration node is synchronized with the second configuration parameter of the second configuration node;
step S46 is similar to step S36 and will not be described here.
Step S47, the second configuration node and each second non-configuration node are restarted, so that the second configuration parameters of each second non-configuration node and the second configuration node take effect, and the construction of the second cluster to be constructed is completed.
Step S47 is similar to step S37 and will not be described here.
The splitting mode that this application provided can be with a cluster of waiting to disassemble simultaneously or not simultaneous split into a plurality of clusters, has further avoided the loaded down with trivial details of manual change hardware information among the correlation technique, has further saved the split time, has improved efficiency and the rate of accuracy of cluster split, construction, has still further reduced the human cost simultaneously, promotes the competitiveness of user experience and product.
In the actual application process, based on the characteristics of the hardware device itself, one node may exist on one hardware device, or two or more nodes may exist at the same time, and since the storage space of multiple nodes on the same hardware device is shared, multiple nodes on the same hardware device can generally only work in the same cluster. Therefore, when each node is respectively on different hardware devices, step S31-step S37 and/or step S42-step S47 are performed; when there are multiple nodes on a hardware device, before performing step S32, that is, before determining the first number of second nodes required by the first cluster to be built, the method further includes:
step S51, according to the storage space sharing relation among the first nodes in the cluster to be disassembled, marking a plurality of first nodes sharing a storage space as a first node cluster;
the plurality of first nodes sharing one storage space mean that the plurality of first nodes are located on the same hardware device, and the plurality of first nodes on the same hardware device are packaged and marked as a first node group.
Step S52, determining the number of first nodes corresponding to each first node group;
after a plurality of first nodes on the same hardware device are packaged into a first node group, the number of the first nodes contained in each first node group is recorded, so that a first cluster to be constructed is constructed subsequently.
After performing step S32, i.e. after determining the first number of second nodes required by the first cluster to be built, step S33 (i.e. selecting the first number of first nodes as second nodes from all first nodes) is replaced by step S53, and step S53 specifically includes:
step S53, selecting n first node clusters from the plurality of first node clusters as second node clusters, making the number of first nodes in the n second node clusters equal to the first number, and marking the first nodes in the n second node clusters as second nodes; wherein n is a positive integer.
The method comprises the steps of selecting n first node groups, wherein the number of all first nodes in the n first node groups needs to meet a first number, marking the selected n first node groups as second node groups for distinguishing convenience, and marking the first nodes in the second node groups as second nodes.
After step S53 is executed, steps S34-S37 are executed in order to complete the construction of the first cluster to be constructed.
The storage space sharing relation between each node in the cluster to be disassembled is preset with the nodes of the shared storage space in the same cluster, namely, a plurality of nodes of the shared storage space are packaged into the same cluster service, the situation that data disorder error reporting is caused when the shared storage space is in different clusters is avoided, the cluster splitting efficiency and accuracy are further improved, and the labor cost is reduced.
Above-mentioned technical scheme provides a mode of high efficiency, the high accuracy split cluster, and then has avoided the loaded down with trivial details of manual change hardware information among the correlation technique, has saved the split time, has improved the efficiency and the rate of accuracy of cluster split, construction, simultaneously still greatly reduced the human cost, promoted the competitiveness of user experience and product. Based on the same inventive concept, the present application provides a method for combining a plurality of clusters into one cluster, that is, a storage cluster combination method as shown in fig. 4, the method comprising:
step S61, determining a fourth number of nodes needed by the cluster to be combined;
when the new service needs a large-scale cluster to be completed, combining a plurality of sub-clusters to form a cluster to be combined.
Step S62, selecting a plurality of sub-clusters according to a fourth number, wherein each sub-cluster comprises a fourth node, and the sum of the number of the fourth nodes in the plurality of sub-clusters is equal to the fourth number;
step S63, initializing a fourth current code of a fourth node in each sub-cluster, so that each fourth node is separated from the corresponding sub-cluster;
after the required sub-clusters are determined, the fourth nodes in the sub-clusters need to be separated from the sub-clusters where the fourth nodes are located, that is, the fourth current codes of the fourth nodes of the sub-clusters need to be initialized.
Step S64, selecting a fourth node from all the fourth nodes as a fourth configuration node, and marking each fourth node except the fourth configuration node as a fourth non-configuration node;
step S64 is similar to step S34 and will not be described here.
Step S65, acquiring a fourth serial number and a fourth standby code of a fourth configuration node, and determining a fourth cluster code of the cluster to be combined according to the fourth serial number and the fourth standby code of the fourth configuration node;
step S65 is similar to step S35 and will not be described here.
Step S66, controlling the fourth configuration node to send the fourth cluster code to each fourth non-configuration node, so that each fourth non-configuration node is synchronized with the fourth configuration parameter of the fourth configuration node;
step S66 is similar to step S36 and will not be described here.
Step S67, the fourth configuration node and each fourth non-configuration node are restarted, so that the fourth configuration parameters of each fourth non-configuration node and each fourth configuration node become effective, and the construction of the cluster to be combined is completed.
Step S67 is similar to step S37 and will not be described here.
According to the method, the fourth nodes in the multiple sub-clusters are separated from the corresponding sub-clusters according to the number of the nodes needed in the cluster to be combined to serve as the nodes for constructing the cluster to be combined, a fourth configuration node is determined from the multiple fourth nodes, the cluster codes of the cluster to be combined are determined according to the serial number of the fourth configuration node and the NCID, the fourth configuration node is enabled to be synchronous with the fourth non-configuration node, the cluster to be combined is formed after the fourth configuration node is restarted, namely the multiple sub-clusters are combined to obtain a new cluster.
Based on the same inventive concept, the present application provides a storage cluster dismantling device as shown in fig. 5, the device comprising:
a first initialization module 51, configured to initialize a first current code of each first node in the cluster to be disassembled, so that each first node is separated from the cluster to be disassembled;
a first determining module 52, configured to determine a first number of second nodes required by the first cluster to be constructed;
a first selecting module 53, configured to select a first number of first nodes from all first nodes as second nodes;
a second selecting module 54, configured to select one second node from all the second nodes as a first configuration node, and mark each second node except the first configuration node as a first non-configuration node;
a second determining module 55, configured to obtain the first serial number and the first to-be-used code of the first configuration node, and determine the first cluster code of the first to-be-constructed cluster according to the first serial number and the first to-be-used code of the first configuration node;
a first synchronization module 56, configured to control the first configuration node to send the first cluster code to each first non-configuration node, so that each first non-configuration node synchronizes with the first configuration parameter of the first configuration node;
the first restarting module 57 is configured to restart the first configuration node and each first non-configuration node, so that the first configuration parameters of each first non-configuration node and the first configuration node take effect, and further complete the construction of the first cluster to be constructed.
Further, the apparatus further comprises:
a third determining module, configured to determine a second number of third nodes required by a second cluster to be constructed;
a third selection module for selecting a second number of first nodes from all the first nodes as third nodes; wherein the third node is different from the second node;
a fourth selecting module, configured to select one third node from all the third nodes as a second configuration node, and mark each third node except the second configuration node as a second non-configuration node;
the fourth determining module is used for acquiring a second serial number and a second standby code of the second configuration node, and determining a second cluster code of a second cluster to be constructed according to the second serial number and the second standby code of the second configuration node;
the second synchronization module is used for controlling the second configuration nodes to send the second cluster codes to each second non-configuration node, so that each second non-configuration node is synchronized with the second configuration parameters of the second configuration nodes;
and the second restarting module is used for restarting the second configuration nodes and each second non-configuration node so that the second configuration parameters of each second non-configuration node and each second configuration node take effect, and further the construction of the second cluster to be constructed is completed.
Further, the apparatus comprises:
a fifth determining module, configured to mark, as a first node group, a plurality of first nodes sharing a storage space according to a storage space sharing relationship between the first nodes in the cluster to be disassembled;
a sixth determining module, configured to determine the number of first nodes corresponding to each first node group;
the first selection module further comprises:
the selecting submodule is used for selecting n first node groups from the plurality of first node groups as second node groups, enabling the number of first nodes in the n second node groups to be equal to the first number, and marking the first nodes in the n second node groups as second nodes; wherein n is a positive integer.
Based on the same inventive concept, the present application provides a storage cluster combination apparatus as shown in fig. 6, the apparatus comprising:
a seventh determining module 61, configured to determine a fourth number of nodes required by the cluster to be combined;
a fifth selecting module 62, configured to select a plurality of sub-clusters according to a fourth number, where each sub-cluster includes a fourth node, and a sum of the numbers of the fourth nodes in the plurality of sub-clusters is equal to the fourth number;
a second initialization module 63, configured to initialize a fourth current code of a fourth node in each sub-cluster, so that each fourth node is separated from the corresponding sub-cluster;
a sixth selecting module 64, configured to select one fourth node from all the fourth nodes as a fourth configuration node, and mark each fourth node except the fourth configuration node as a fourth non-configuration node;
an eighth determining module 65, configured to obtain a fourth serial number and a fourth standby code of the fourth configuration node, and determine a fourth cluster code of the cluster to be combined according to the fourth serial number and the fourth standby code of the fourth configuration node;
a third synchronization module 66, configured to control the fourth configuration node to send the fourth cluster code to each fourth non-configuration node, so that each fourth non-configuration node synchronizes with the fourth configuration parameter of the fourth configuration node;
and a third restarting module 67, configured to restart the fourth configuration node and each fourth non-configuration node, so that the fourth configuration parameters of each fourth non-configuration node and each fourth configuration node take effect, and further complete the construction of the cluster to be combined.
Based on the same inventive concept, the present application provides an electronic device as shown in fig. 7, including:
a processor 71;
a memory 72 for storing instructions executable by the processor 71;
wherein the processor 71 is configured to execute to implement a storage cluster disaggregation method or to implement a storage cluster combination method.
Based on the same inventive concept, the present application provides a non-transitory computer-readable storage medium, wherein when instructions in the storage medium are executed by a processor of an electronic device, the electronic device is enabled to perform a method for implementing a storage cluster splitting method or a method for implementing a storage cluster combining method.
Since the electronic device described in this embodiment is an electronic device used for implementing the method for processing information in this embodiment, a person skilled in the art can understand the specific implementation manner of the electronic device of this embodiment and various variations thereof based on the method for processing information described in this embodiment, and therefore, how to implement the method in this embodiment by the electronic device is not described in detail here. Electronic devices used by those skilled in the art to implement the method for processing information in the embodiments of the present application are all within the scope of the present application.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A storage cluster disassembly method, the method comprising:
initializing a first current code of each first node in a cluster to be disassembled to enable each first node to be separated from the cluster to be disassembled;
determining a first number of second nodes required by a first cluster to be constructed;
selecting the first number of the first nodes from the first nodes as the second nodes;
selecting one second node from the second nodes as a first configuration node, and marking each second node except the first configuration node as a first non-configuration node;
acquiring a first serial number and a first to-be-used code of the first configuration node, and determining a first cluster code of the first to-be-constructed cluster according to the first serial number and the first to-be-used code of the first configuration node;
controlling the first configuration node to send the first cluster code to each of the first non-configuration nodes, so that each of the first non-configuration nodes is synchronized with the first configuration parameters of the first configuration node;
restarting the first configuration nodes and the first non-configuration nodes to enable the first configuration parameters of the first non-configuration nodes and the first configuration nodes to take effect, and further completing the construction of the first cluster to be constructed.
2. The method of claim 1, wherein the method further comprises:
determining a second number of third nodes required by a second cluster to be constructed;
selecting a second number of the first nodes from the first nodes as the third nodes; wherein the third node is different from the second node;
selecting one third node from the third nodes as a second configuration node, and marking each third node except the second configuration node as a second non-configuration node;
acquiring a second serial number and a second standby code of the second configuration node, and determining a second cluster code of the second cluster to be constructed according to the second serial number and the second standby code of the second configuration node;
controlling the second configuration node to send the second cluster code to each second non-configuration node, so that each second non-configuration node is synchronized with a second configuration parameter of the second configuration node;
and restarting the second configuration nodes and the second non-configuration nodes to enable the second configuration parameters of the second non-configuration nodes and the second configuration nodes to take effect, and further completing the construction of the second cluster to be constructed.
3. The method of claim 1, wherein prior to determining the first number of second nodes needed for the first to-be-constructed cluster, the method comprises:
recording a plurality of first nodes sharing a storage space as a first node group according to the storage space sharing relationship among the first nodes in the cluster to be disassembled;
determining the number of the first nodes corresponding to each first node group;
after determining a first number of second nodes required by a first cluster to be constructed, selecting the first nodes of the first number from the first nodes as the second nodes, specifically including:
selecting n first node groups from the plurality of first node groups as second node groups, making the number of the first nodes in the n second node groups equal to the first number, and marking the first nodes in the n second node groups as the second nodes; wherein n is a positive integer.
4. A storage cluster assembly method, the method comprising:
determining a fourth number of nodes required by the cluster to be combined;
selecting a plurality of sub-clusters according to the fourth number, wherein each sub-cluster comprises a fourth node, and the sum of the number of the fourth nodes in the plurality of sub-clusters is equal to the fourth number;
initializing a fourth current code of a fourth node in each of the sub-clusters, so that each of the fourth nodes is separated from the corresponding sub-cluster;
selecting one fourth node from the fourth nodes as a fourth configuration node, and marking each fourth node except the fourth configuration node as a fourth non-configuration node;
acquiring a fourth serial number and a fourth standby code of the fourth configuration node, and determining a fourth cluster code of the cluster to be combined according to the fourth serial number and the fourth standby code of the fourth configuration node;
controlling the fourth configuration node to send the fourth cluster code to each of the fourth non-configuration nodes, so that each of the fourth non-configuration nodes is synchronized with a fourth configuration parameter of the fourth configuration node;
restarting the fourth configuration node and each fourth non-configuration node to enable the fourth configuration parameters of each fourth non-configuration node and each fourth configuration node to take effect, and further completing the construction of the cluster to be combined.
5. A storage cluster disassembling apparatus, comprising:
the first initialization module is used for initializing a first current code of each first node in the cluster to be disassembled so that each first node is separated from the cluster to be disassembled;
the first determining module is used for determining a first number of second nodes required by the first cluster to be constructed;
a first selection module configured to select the first number of the first nodes from the first nodes as the second nodes;
a second selecting module, configured to select one of the second nodes as a first configuration node, and mark each of the second nodes except the first configuration node as a first non-configuration node;
a second determining module, configured to obtain a first serial number and a first code to be used of the first configuration node, and determine a first cluster code of the first cluster to be constructed according to the first serial number and the first code to be used of the first configuration node;
a first synchronization module, configured to control the first configuration node to send the first cluster code to each of the first non-configuration nodes, so that each of the first non-configuration nodes synchronizes with a first configuration parameter of the first configuration node;
and the first restarting module is used for restarting the first configuration node and each first non-configuration node so that the first configuration parameters of each first non-configuration node and the first configuration node take effect, and further the construction of the first cluster to be constructed is completed.
6. The apparatus of claim 5, wherein the apparatus further comprises:
a third determining module, configured to determine a second number of third nodes required by a second cluster to be constructed;
a third selecting module for selecting a second number of the first nodes from the first nodes as the third nodes; wherein the third node is different from the second node;
a fourth selecting module, configured to select one of the third nodes as a second configuration node, and mark each of the third nodes except the second configuration node as a second non-configuration node;
a fourth determining module, configured to obtain a second serial number and a second standby code of the second configuration node, and determine a second cluster code of the second cluster to be constructed according to the second serial number and the second standby code of the second configuration node;
a second synchronization module, configured to control the second configuration node to send the second cluster code to each of the second non-configuration nodes, so that each of the second non-configuration nodes synchronizes with a second configuration parameter of the second configuration node;
and the second restarting module is used for restarting the second configuration nodes and the second non-configuration nodes so that the second configuration parameters of the second non-configuration nodes and the second configuration nodes take effect, and further the construction of the second cluster to be constructed is completed.
7. The apparatus of claim 5, wherein the apparatus comprises:
a fifth determining module, configured to mark, as a first node group, a plurality of first nodes that share a storage space according to a storage space sharing relationship between the first nodes in the cluster to be disassembled;
a sixth determining module, configured to determine the number of the first nodes corresponding to each first node group;
the first selection module further comprises:
a selecting submodule, configured to select n first node clusters from the plurality of first node clusters as a second node cluster, make the number of the first nodes in the n second node clusters equal to the first number, and mark the first nodes in the n second node clusters as the second nodes; wherein n is a positive integer.
8. An apparatus for storage cluster assembly, the apparatus comprising:
a seventh determining module, configured to determine a fourth number of nodes required by the cluster to be combined;
a fifth selecting module, configured to select a plurality of sub-clusters according to the fourth number, where each of the sub-clusters includes a fourth node, and a sum of the numbers of the fourth nodes in the plurality of sub-clusters is equal to the fourth number;
a second initialization module, configured to initialize a fourth current code of a fourth node in each of the sub-clusters, so that each fourth node is separated from the corresponding sub-cluster;
a sixth selecting module, configured to select one of the fourth nodes as a fourth configuration node, and record each of the fourth nodes except the fourth configuration node as a fourth non-configuration node;
an eighth determining module, configured to obtain a fourth serial number and a fourth standby code of the fourth configuration node, and determine a fourth cluster code of the cluster to be combined according to the fourth serial number and the fourth standby code of the fourth configuration node;
a third synchronization module, configured to control the fourth configuration node to send the fourth cluster code to each of the fourth non-configuration nodes, so that each of the fourth non-configuration nodes is synchronized with a fourth configuration parameter of the fourth configuration node;
and the third restarting module is used for restarting the fourth configuration node and each fourth non-configuration node so that the fourth configuration parameters of each fourth non-configuration node and each fourth configuration node take effect, and further the construction of the cluster to be combined is completed.
9. An electronic device, comprising:
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to execute to implement a storage cluster disaggregation method as claimed in any one of claims 1 to 3 or to implement a storage cluster combining method as claimed in claim 4.
10. A non-transitory computer readable storage medium, wherein instructions, when executed by a processor of an electronic device, enable the electronic device to perform implementing a storage cluster disaggregation method as claimed in any of claims 1 to 3 or implementing a storage cluster combining method as claimed in claim 4.
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