CN107453932A - A kind of distributed memory system management method and its device - Google Patents
A kind of distributed memory system management method and its device Download PDFInfo
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- CN107453932A CN107453932A CN201710911390.1A CN201710911390A CN107453932A CN 107453932 A CN107453932 A CN 107453932A CN 201710911390 A CN201710911390 A CN 201710911390A CN 107453932 A CN107453932 A CN 107453932A
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- 238000007726 management method Methods 0.000 title claims abstract description 19
- 230000002159 abnormal effect Effects 0.000 claims abstract description 75
- 238000012544 monitoring process Methods 0.000 claims abstract description 43
- 230000004083 survival effect Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims description 16
- 230000005856 abnormality Effects 0.000 claims 1
- WGZDBVOTUVNQFP-UHFFFAOYSA-N N-(1-phthalazinylamino)carbamic acid ethyl ester Chemical class C1=CC=C2C(NNC(=O)OCC)=NN=CC2=C1 WGZDBVOTUVNQFP-UHFFFAOYSA-N 0.000 abstract description 19
- 230000008859 change Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
-
- 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
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- 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]
Abstract
The invention discloses a kind of distributed memory system management method and its device.This method, including：The abnormal state information of a monitor node in cluster is obtained, the abnormal state information comprises at least following any one or its combination：Service status information, node survival information；According to the abnormal state information, determine that a non-supervised physical node is interim monitor node in the cluster, and determine that the monitor node is abnormal monitoring node.Realize in monitor node normal work, it is interim monitor node to determine a non-supervised physical node, and the monitor node for avoiding N/2 in CEPH clusters more than 1 breaks down, it is achieved thereby that the normal work of CEPH clusters.
Description
Technical field
The present invention relates to memory technology, espespecially a kind of distributed memory system management method and its device.
Background technology
With the extensive use of distributed memory system, there has been proposed distributed file system (CEPH), wherein, CEPH
Including three parts:Object storage device (Object Storage Device, abbreviation OSD), monitor node (Monitor), member
Data server (Metadata server cluster, abbreviation MDS).OSD is underlying object storage system, and Monitor is collection
Cluster management system, MDS are the metadata Metadata for supporting portable operating system interface POSIX file interfaces
Server。
In the prior art, several Monitor are deployed with CEPH clusters, institute in whole Ceph clusters is collectively responsible for by it
There are discovery and the record of OSD states.In CEPH clusters, Leader is determined in numerous Monitor by Paxos algorithms,
And determine that the Monitor for supporting Leader nodes to be elected to Leader is Quorum member, wherein, selecting Leader premise is
The number of Quorum member is more than N/2+1 in CEPH clusters, and N is Monitor node numbers.
However, when if the Monitor of more than N/2-1 breaks down in CEPH clusters, whole cluster can not be carried externally
For any service, cause CEPH clusters can not normal work.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of distributed memory system management method and its device,
To solve the problems, such as that CEPH clusters can not normal work.
In order to reach the object of the invention, the invention provides a kind of distributed memory system management method, including：
The abnormal state information of a monitor node in cluster is obtained, the abnormal state information comprises at least following any one
Item or its combination：Service status information, node survival information；
According to the abnormal state information, determine that a non-supervised physical node is interim monitor node in the cluster, and
It is abnormal monitoring node to determine the monitor node.
Further, it is described according to the abnormal state information, determine that a non-supervised physical node is to face in the cluster
When monitor node, including：
Determine in the cluster with the presence or absence of the non-supervised physical node of highest priority, the priority of physical node and institute
State the object storage device OSD of physical node association being proportionate property of number；
If in the presence of, it is determined that the non-supervised physical node of highest priority is the interim monitor node；
If it is not present, it is determined that the physical host where the abnormal monitoring node is the interim monitor node.
Further, it is described according to the abnormal state information, determine that a non-supervised physical node is to face in the cluster
When monitor node after, in addition to：
Determine the abnormal monitoring node in the range of a duration whether normal work；
If so, then the interim monitor node is deleted from the cluster；
If not, it is determined that the interim monitor node is formal monitor node, by the abnormal monitoring node from the collection
Deleted in group.
Further, it is described to obtain in cluster after the abnormal state information of a monitor node, in addition to：
Restart the abnormal monitoring node；
After determining a duration, the control node can not normal work.
Further, it is described to obtain in cluster before the abnormal state information of a monitor node, in addition to：
The cluster is controlled by virtual management platform；
Monitor node in the cluster is carried out in the form of virtual machine to be deployed in virtual management platform.
Present invention also offers a kind of distributed memory system managing device, including：
Acquisition module, for obtaining the abnormal state information of a monitor node in cluster, the abnormal state information is at least
Including following any one or its combination：Service status information, node survival information；
Processing module, for according to the abnormal state information, determining that a non-supervised physical node is to face in the cluster
When monitor node, and determine that the monitor node is abnormal monitoring node.
Further, the processing module, it is additionally operable to determine in the cluster with the presence or absence of the non-supervised of highest priority
Physical node, the being proportionate property of number for the object storage device OSD that the priority of physical node associates with the physical node；
If in the presence of, it is determined that the non-supervised physical node of highest priority is the interim monitor node；If it is not present, it is determined that described
Physical host where abnormal monitoring node is the interim monitor node.
Further, the processing module, it is additionally operable to determine the abnormal monitoring node in the range of a duration whether just
Often work；If so, the interim monitor node is deleted from the cluster；If not, it is determined that the interim monitor node is
Formal monitor node, the abnormal monitoring node is deleted from the cluster.
Further, the processing module, it is additionally operable to restart the abnormal monitoring node；It is described different after determining a duration
Normal control node can not normal work.
Further, the processing module, it is additionally operable to be controlled the cluster by virtual management platform；By institute
State monitor node in cluster and virtual management platform is deployed in the form of virtual machine.
Distributed memory system management method provided by the invention and its device, by obtaining a monitor node in cluster
Abnormal state information, the abnormal state information comprise at least following any one or its combination：Service status information, node are deposited
Information living；According to the abnormal state information, determine that a non-supervised physical node is interim monitor node in the cluster, and really
The fixed monitor node is abnormal monitoring node.Realize in monitor node normal work, determine a non-supervised physical node
For interim monitor node, avoid the monitor node of more than N/2-1 in CEPH clusters and break down, it is achieved thereby that CEPH collection
The normal work of group.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by specification, rights
Specifically noted structure is realized and obtained in claim and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used for providing further understanding technical solution of the present invention, and a part for constitution instruction, with this
The embodiment of application is used to explain technical scheme together, does not form the limitation to technical solution of the present invention.
Fig. 1 is the schematic flow sheet of the embodiment of distributed memory system management method one of the present invention；
Fig. 2 is the schematic flow sheet of the embodiment of distributed memory system management method two of the present invention；
Fig. 3 is the structural representation of the embodiment of distributed memory system managing device one of the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutually be combined.
Distributed memory system management method provided in an embodiment of the present invention specifically can apply to distributed storage cluster
In a monitor node can not normal work when.The distributed memory system management method that the present embodiment provides can pass through distribution
System management memory device performs, and the distributed memory system managing device can be integrated in terminal, or be separately provided, its
In, the distributed memory system managing device can be realized by the way of software and/or hardware.The present embodiment is carried below
The distributed memory system management method and device of confession are described in detail.
Fig. 1 is the schematic flow sheet of the embodiment of distributed memory system management method one of the present invention；As shown in figure 1, this reality
The executive agent for applying example can be distributed memory system managing device, distributed memory system manager provided by the invention
Method, including：
Step 101, the abnormal state information for obtaining a monitor node in cluster.
In the present embodiment, the abnormal state information comprises at least following any one or its combination：Service state is believed
Breath, node survival information；It can cause to supervise that is, service state exception and/or the node survival of monitor node are abnormal
Controlling node can not normal work.Cluster in the present embodiment can be CEPH clusters.
Step 102, according to the abnormal state information, determine that a non-supervised physical node is interim monitoring in the cluster
Node, and determine that the monitor node is abnormal monitoring node.
It should be noted that non-supervised physical node and monitoring physical node can be included in cluster, wherein, each physics
Node at least associates an OSD equipment.
In the present embodiment, by obtaining the abnormal state information of a monitor node in cluster, the abnormal state information
Including at least following any one or its combination：Service status information, node survival information；According to the abnormal state information,
Determine that a non-supervised physical node is interim monitor node in the cluster, and determine that the monitor node is abnormal monitoring section
Point.Realize in monitor node normal work, it is interim monitor node to determine a non-supervised physical node, avoids CEPH collection
The monitor node of more than N/2-1 breaks down in group, it is achieved thereby that the normal work of CEPH clusters.
Fig. 2 is the schematic flow sheet of the embodiment of distributed memory system management method two of the present invention；As shown in Fig. 2 upper
On the basis of stating embodiment, distributed memory system management method provided by the invention, including：
Step 201, the abnormal state information for obtaining a monitor node in cluster.
In the present embodiment, the abnormal state information comprises at least following any one or its combination：Service state is believed
Breath, node survival information.
Step 202, determine to whether there is the non-supervised physical node of highest priority in the cluster.
In the present embodiment, for the object storage device OSD that the priority of physical node associates with the physical node
Being proportionate property of number；That is, the object storage device OSD quantity of the non-supervised physical node association is more, the non-prison
The priority for controlling physical node is higher.
If specifically, in the presence of execution step 203, that is, the non-supervised physical node for determining highest priority is described faces
When monitor node；
If being not present, step 204 is performed, that is, the physical host where determining the abnormal monitoring node is described interim
Monitor node.
Step 203, the non-supervised physical node for determining highest priority is the interim monitor node；
Step 204, the physical host where determining the abnormal monitoring node is the interim monitor node.
Step 205, determine the abnormal monitoring node in the range of a duration whether normal work.
Specifically, if so, then perform step 206, will the interim monitor node deleted from the cluster；
If it is not, then performing step 207, that is, determine that the interim monitor node is formal monitor node, by the abnormal prison
Control node is deleted from the cluster, further, can also be sent the monitor node and be deleted information.
Step 206, the interim monitor node is deleted from the cluster；
Step 207, determine that the interim monitor node is formal monitor node, by the abnormal monitoring node from the collection
Deleted in group.
On the basis of above-described embodiment, after step 201, it can also include：
Restart the exception control node；
After determining a duration, the control node can not normal work.
It should be noted that before above-described embodiment, the cluster is controlled by virtual management platform；Will
Monitor node carries out being deployed in virtual management platform in the form of virtual machine in the cluster.
For example, each physical node is at most deposited by one monitor node of deployment, the object of the physical node association
Storage equipment OSD quantity is more, and the priority of the physical node is higher.
Specifically, creating the virtual machine as interim monitor node on the physical node of highest priority, it is mainly carried
For following function：
1st, the monitor node in cluster is detected with the presence or absence of exception, for example whether shutdown, can not be added in cluster；
2nd, the current Quorum member of cluster is detected, Quorum member is the total monitor node for not including management and monitoring node
Outer all monitor nodes；
3rd, create virtual machine and be deployed as monitor node service, the monitor node is added to CEPH clusters, marked simultaneously
For interim monitor node；
4th, the monitoring service for the monitor node having been switched off after testing or not in Quorum is restarted；
5th, formal Monitor nodes will be upgraded to labeled as the node monitored temporarily；
6th, still fail to be added to the monitoring section of CEPH cluster Quorum members after reset monitor is serviced within a certain period of time
Point deletion monitoring service, and virtual machine corresponding to the monitoring service is deleted.
Fig. 3 is the structural representation of the embodiment of distributed memory system managing device one of the present invention.As shown in figure 3, this hair
Bright distributed memory system managing device, it is characterised in that including：Acquisition module 31 and processing module 32, wherein,
Acquisition module 31, for obtaining the abnormal state information of a monitor node in cluster, the abnormal state information is extremely
Include following any one or its combination less：Service status information, node survival information；
Processing module 32, for according to the abnormal state information, determining that a non-supervised physical node is in the cluster
Interim monitor node, and determine that the monitor node is abnormal monitoring node.
In the present embodiment, by obtaining the abnormal state information of a monitor node in cluster, the abnormal state information
Including at least following any one or its combination：Service status information, node survival information；According to the abnormal state information,
Determine that a non-supervised physical node is interim monitor node in the cluster, and determine that the monitor node is abnormal monitoring section
Point.Realize in monitor node normal work, it is interim monitor node to determine a non-supervised physical node, avoids CEPH collection
The monitor node of more than N/2-1 breaks down in group, it is achieved thereby that the normal work of CEPH clusters.
Further, on the basis of above-described embodiment, the processing module 32, be additionally operable to determine in the cluster whether
The non-supervised physical node of highest priority be present, what the priority of the non-supervised physical node associated with the physical node
Object storage device OSD being proportionate property of number；If in the presence of, it is determined that the non-supervised physical node of highest priority is described
Interim monitor node；If it is not present, it is determined that the physical host where the abnormal monitoring node is the interim monitor node.
Further, on the basis of above-described embodiment, the processing module 32, it is additionally operable to determine the abnormal monitoring section
O'clock in the range of a duration whether normal work；If so, the interim monitor node is deleted from the cluster；If it is not, then
Determine that the interim monitor node is formal monitor node, the abnormal monitoring node is deleted from the cluster.
Preferably, on the basis of above-described embodiment, the processing module 32, it is additionally operable to restart the exception control section
Point；After determining a duration, the exception control node can not normal work.
Further, on the basis of above-described embodiment, the processing module 32, it is additionally operable to by virtual management platform
The cluster is controlled；Monitor node in the cluster is deployed in virtual management platform in the form of virtual machine.
Although disclosed herein embodiment as above, described content be only readily appreciate the present invention and use
Embodiment, it is not limited to the present invention.Technical staff in any art of the present invention, taken off not departing from the present invention
On the premise of the spirit and scope of dew, any modification and change, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
- A kind of 1. distributed memory system management method, it is characterised in that including：Obtain cluster in a monitor node abnormal state information, the abnormal state information comprise at least following any one or It is combined：Service status information, node survival information；According to the abnormal state information, determine that a non-supervised physical node is interim monitor node in the cluster, and determine The monitor node is abnormal monitoring node.
- 2. according to the method for claim 1, it is characterised in that it is described according to the abnormal state information, determine the collection A non-supervised physical node is interim monitor node in group, and determines that the monitor node is abnormal monitoring node, including：Determine in the cluster with the presence or absence of the non-supervised physical node of highest priority, the priority of physical node and the thing Manage the object storage device OSD of node association being proportionate property of number；If in the presence of, it is determined that the non-supervised physical node of highest priority is the interim monitor node；If it is not present, it is determined that the physical host where the abnormal monitoring node is the interim monitor node.
- 3. according to the method for claim 2, it is characterised in that it is described according to the abnormal state information, determine the collection A non-supervised physical node is interim monitor node in group, and determines the monitor node after abnormal monitoring node, also to wrap Include：Determine the abnormal monitoring node in the range of a duration whether normal work；If so, then the interim monitor node is deleted from the cluster；If not, it is determined that the interim monitor node is formal monitor node, by the abnormal monitoring node from the cluster Delete.
- 4. according to the method described in claim any one of 1-3, it is characterised in that a monitor node is different in the acquisition cluster After normal status information, in addition to：Restart the abnormal monitoring node；After determining a duration, the control node can not normal work.
- 5. according to the method for claim 4, it is characterised in that the abnormality letter for obtaining a monitor node in cluster Before breath, in addition to：The cluster is controlled by virtual management platform；Monitor node in the cluster is carried out in the form of virtual machine to be deployed in virtual management platform.
- A kind of 6. distributed memory system managing device, it is characterised in that including：Acquisition module, for obtaining the abnormal state information of a monitor node in cluster, the abnormal state information comprises at least Following any one or its combination：Service status information, node survival information；Processing module, for according to the abnormal state information, determining that a non-supervised physical node is interim prison in the cluster Node is controlled, and determines that the monitor node is abnormal monitoring node.
- 7. device according to claim 6, it is characterised in that the processing module, be additionally operable to determine be in the cluster The no non-supervised physical node that highest priority be present, the object storage that the priority of physical node associates with the physical node Equipment OSD being proportionate property of number；If in the presence of, it is determined that the non-supervised physical node of highest priority is the interim monitoring Node；If it is not present, it is determined that the physical host where the abnormal monitoring node is the interim monitor node.
- 8. device according to claim 7, it is characterised in that the processing module, be additionally operable to determine the abnormal monitoring Node in the range of a duration whether normal work；If so, the interim monitor node is deleted from the cluster；If it is not, Then determine that the interim monitor node is formal monitor node, the abnormal monitoring node is deleted from the cluster.
- 9. according to the device described in claim any one of 6-8, it is characterised in that the processing module, be additionally operable to restart described Abnormal monitoring node；After determining a duration, the exception control node can not normal work.
- 10. device according to claim 9, it is characterised in that the processing module, be additionally operable to put down by virtual management Platform is controlled to the cluster；Monitor node in the cluster is deployed in virtual management platform in the form of virtual machine.
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| CN201710911390.1A CN107453932B (en) | 2017-09-29 | 2017-09-29 | Distributed storage system management method and device |
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| CN108494585A (en) * | 2018-02-28 | 2018-09-04 | 新华三技术有限公司 | Elect control method and device |
| JP2019153055A (en) * | 2018-03-02 | 2019-09-12 | 富士通株式会社 | Cluster system, information processing apparatus, cluster monitoring method, and cluster monitoring program |
| CN110781158A (en) * | 2019-10-25 | 2020-02-11 | 山东乾云启创信息科技股份有限公司 | Distributed storage method and system based on CEPH |
| CN115022157A (en) * | 2022-08-09 | 2022-09-06 | 深圳竹云科技股份有限公司 | Method, device, equipment and medium for node failover in cluster |
| CN116955074A (en) * | 2023-07-12 | 2023-10-27 | 北京铜牛信息科技股份有限公司 | Intelligent monitoring method for data storage platform |
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| CN107453932B (en) | 2020-12-01 |
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