CN101232422A - Network storage system based on graticule technique - Google Patents
Network storage system based on graticule technique Download PDFInfo
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Abstract
The invention relates to a network storage system based on a grid technology, which is used for virtualizing a large amount of existent even idle heterogeneous computer resources with dispersed geographic positions on network in an enterprise into a single storage system. The network storage system comprises a network terminal as a user connected with a management node as a server via internet or WAN or LAN. The management node is connected with storage nodes of heterogeneous PC, workstation and workstation cluster for providing storage service for the user in a grid service form. The network storage system effectively reduces the cost for constructing a large number of data storage systems in the enterprise, ensures safety authentication of user identity, encrypted transmission of data and safety of data access and transmission via network, provides a uniform and transparent storage access mechanism, and solves the problem of interoperability between different storage nodes.
Description
Technical field
The present invention relates to a kind of network store system based on grid, is a kind of electric digital processing system, is a kind of storage system of computer network system.
Background technology
Existing network store system mainly can be divided into two classes: a kind of network attached storage (NetworkAttached Storage, NAS) storage system of technology of being based on; Another kind is based on storage area network (Storage AreaNetwork, SAN) storage system of technology.Yet all there is certain defective in these two kinds of storage systems.Set up a NAS storage system and need buy special NAS equipment, the necessary configure dedicated file server of disk array, later stage dilatation cost height; And the generic-document server does not have high available configuration, is easy to generate Single Point of Faliure; In addition, the access mode of passing through procotol that NAS adopted constitutes a threat to etc. to the data security of storage system.SAN is the network architecture of IBM Corporation's exploitation, and it is configured a plurality of servers and is connected to External memory equipment by high speed fibre, special router, switch and hub.Usually, in the enterprise that has implemented SAN, should there be two nets, a SAN who forms by server, storage system, SAN switch, optical-fibre channel by the local area network (LAN) LAN. another one of forming based on Ethernet switch, router, 5 class netting twines, Ethernet card, server, the PC of TCP/IP.Therefore, want to use storage system based on SAN, the fiber channel network of structure enterprises that must be extra, buy expensive SAN switch, original storage products is upgraded to expensive support SAN and FC (FibreChannel, optical-fibre channel) Gui Ze storage products has higher cost.In addition, the interoperability between the different SAN system is very poor.Because the shortage standard of SAN own is especially all the more so in management.Though the FC technical standard exists really, there is different explanations in each tame manufacturer, so the interoperability issue between the different product becomes a defective that can not be ignored of SAN system.Existing not considering based on the storage system of NAS or SAN can't be the storage scheme of customization personalization at user's different QoS (Quality of Service, service quality) request.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of network store system based on grid.Storage system of the present invention has been used the thinking and the technology of grid, and geographical position computer resource that disperse, isomery on a large amount of existing or even idle networks of enterprises is invented single storage system.The computer resource of described isomery comprises various PCs, work station even work station cluster, and these Heterogeneous Computing machines can use different operating system, for example Windows, Unix or the like.Every computer is as a memory node, and these memory nodes provide the stores service of oneself to the user with the form of Web Service.System of the present invention can also provide different stores service at different service quality (OoS) request, and can be according to demand extension storage system dynamically.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of network store system based on grid, comprise the network terminal as the user, the described network terminal is connected with management node as server by the Internet or wide area network, local area network (LAN), and described management node provides the memory node of stores service to connect with the form of mesh services to the user with pc machine, work station, the work station cluster of all kinds of isomeries by the Internet or wide area network, local area network (LAN).
A kind of method of the network storage based on grid comprises user, management node, memory node, and the step of described method comprises:
The step that makes up:
Grid middleware GlobusToolkits4.0.4 source code version is installed on management node and each memory node;
The easy authentication simpleCA server of configuration on management node;
Each memory node and user to the application oneself of simpleCA server with authentication CA certificate based on the X.509 certificate format of (Chinese name) PKI security mechanism;
Memory node is registered with the form of the mesh services of following web service framework WSRF standard the stores service of oneself to management node, and accepts the real-time monitoring of management node;
The stores service that each memory node provides oneself is packaged into the mesh services of following the WSRF standard, and Open Grid Services Architecture OGSA is provided defined standard interface, thereby realizes the seamless link between the isomery memory node;
Message is kept the survival of oneself to memory node by constantly sending " keeping survival keepalive ", if management node does not receive " keepalive " of certain memory node in the official hour section just message assert that this memory node has left storage system;
The step of service process:
The user proposes stores service request QoS and specifies a kind of in " the storage price is minimum ", " memory time is the shortest " and " the price time is taken into account " three kinds of patterns;
Management node authenticates by CA;
Authentication is passed through, the step of one of them below management node is selected according to user's needs;
When the user specified selection " the storage price is minimum ", the scheduler of management node can be the storage request scheduling to the minimum node of unit space storage cost;
The user specifies the scheduler of selection " memory time is the shortest " management node can be the storage request scheduling to the node of network availability bandwidth maximum;
The user specifies the scheduler definition cost performance R of selection " the price time is taken into account " management node, the node of storage request scheduling to R value maximum.
Beneficial effect of the present invention: the present invention uses the method for a simple cheap that scattered storage resources is used, and effectively reduces enterprise and makes up the required cost of mass data storage system.The present invention uses the security mechanism based on PKI (Pubic Key Infrastructure), guarantees the safety certification of user identity and the encrypted transmission of data, guarantees to carry out data access and safety of transmission by network.The present invention uses the isomery information of grid middleware Globus4.0.4 shielding bottom memory node, unified, transparent storage access mechanism is provided, thereby efficiently solves interoperability issue between the different memory nodes.The stores service that each memory node of the present invention provides oneself is packaged into the mesh services of following the WSRF standard, Open Grid Services Architecture OGSA (Open Grid Services Architecture) is provided defined standard interface, thereby realizes the seamless link between the isomery memory node.Each memory node of the present invention to the own stores service of management node registration, thereby can support each memory node to be connected with grid and to remove so that the mode of " hot plug " is dynamic with the form of " soft state ".The present invention is provided with and considers price and time two qos parameters.The user can specify " the storage price is minimum ", " memory time is the shortest " and " the price time is taken into account " three kinds of patterns when submitting the storage request of oneself to, realized providing personalized stores service to the user.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the physical structure schematic diagram of storage system of the present invention;
Fig. 2 is the high-level schematic functional block diagram of storage system of the present invention.
Embodiment
Embodiment one:
Present embodiment is a kind of network store system based on grid, and Fig. 1 is the physical structure figure of storage system of the present invention.Comprise the network terminal as the user, the network terminal is connected with management node as server by the Internet or wide area network, local area network (LAN), and management node provides the memory node of stores service to connect with the form of mesh services to the user with PC, work station, the work station cluster of all kinds of isomeries by the Internet or wide area network, local area network (LAN).
As shown in Figure 1, present embodiment couples together all kinds of Heterogeneous Computing machines (comprising pc machine, work station even the cluster etc.) resource of operation different operating system (can be Windows, Unix etc.) by grid middleware, make up the storage system that a capacity can dynamic expansion.Each memory node is connected with management node by the local area network (LAN) of enterprises, and the user can be connected with storage system by Internet or local area network (LAN).Writing down the static information (expense that total storage size, IP address, applying unit memory space are required etc.) and the multidate information (free memory size, the network bandwidth etc.) of each memory node on the management node.The user at first is submitted to management node to the storage request of oneself, and the user connects with corresponding memory node after the memory scheduling device of management node is made suitable scheduling, carries out the data access visit.
Grid middleware GlobusToolkits4.0.4 source code version is installed, configuration simpleCA server on management node on management node and each memory node.Each memory node and user are to the CA of simpleCA server application oneself (Certificate Authority) certificate, this CA certificate adopts the X.509 certificate format based on the PKI security mechanism, and the CA certificate by separately between user and the memory node carries out authentication and communication encryption.Memory node is registered with the form of the mesh services of following WSRF (Web ServicesResource Framework) standard the stores service of oneself to management node, accept the real-time monitoring of management node.Because these mesh services are followed the interface that identical standard has standard, so have good interoperability between each memory node, have avoided incompatible problem.The user can specify " the storage price is minimum ", " memory time is the shortest " and " the price time is taken into account " three kinds of patterns when submitting the storage request of oneself to.When selecting " the storage price is minimum ", scheduler can be the storage request scheduling to the minimum node of unit space storage cost; When selection " memory time is the shortest " scheduler can be the node of storage request scheduling to the network availability bandwidth maximum; When the third pattern of selection, scheduler definition cost performance R=(network availability bandwidth/unit space storage cost) is storing request scheduling to the maximum node of R value.
Embodiment two:
Present embodiment is the refinement of embodiment one, is the concrete formation about management node among the embodiment one.As shown in Figure 2: described management node comprises that the inner private network IP of cluster address translation when a work station cluster added this storage system becomes NAT (the adding a Chinese name in front) module of legitimate network IP address.The NAT module is connected with the system data library module that the generation system moves carrying cost information, user profile, file storage information and system's running log of necessary node resource information, node with record.The system data library module provides the Web service module of stores service to be connected with the form of serving Web Service with network to the user.The system data library module is realized the global resource of whole storage system is dynamically found to be connected with the node resource monitoring modular of monitoring with the monitoring resource service that each memory node is provided self.The system data library module provides the stores service monitoring modular of situation to be connected with stores service with each memory node of dynamic monitoring.System data library module and the information that node resource monitoring modular, stores service monitoring modular, system data library module are provided connect according to the memory scheduling device that user's different service request QoS make suitable scheduling.Node resource monitoring modular, stores service monitoring modular, system data library module and memory scheduling device interconnect.
Management node is a pith of realizing the network storage of the present invention, and included module is:
● NAT: this module is mainly used in a cluster is added this storage system, and it can translate into legitimate network IP address to the inner private network address of cluster (IP address).
● the Web service module: the form that this module is used for Web Service provides stores service to the user, makes the user that extra software can not need be installed, cross-platform this storage system of visit.
● the system data library module: it is necessary that this module is used for the register system operation, and the various information that produce, and comprises the resource information of node, carrying cost information, user profile, file storage information and system's running log etc. of node.
● the node resource monitoring modular: the monitoring resource service that this module uses each memory node self to provide realizes the global resource of whole storage system is dynamically found and monitoring.
● the stores service monitoring modular: the stores service that this module is used for each memory node of dynamic monitoring provides situation, comprises whether certain node is cancelled or whether certain new node provides stores service.This module is accepted the log-on message of the monitoring resource service module on each memory node, allows memory node to provide or cancel the stores service of oneself in the mode of " hot plug ".
● the memory scheduling device: this module is utilized node resource monitoring modular and stores service monitoring modular and system data library module, makes suitable scheduling according to user's different QoS request.Native system has been considered two QoS standards, i.e. carrying cost and memory time.
Embodiment three:
Present embodiment is the refinement of embodiment one, is the formation about the described memory node of embodiment, as shown in Figure 2.Described memory node comprises that the responsible monitoring its other resources that is connected with the node resource monitoring modular of management node utilizes the monitoring resource service module of information.The stores service of the responsible startup memory node that is connected with the stores service monitoring modular of management node and with form with " soft state " life cycle storage services module to the stores service monitoring modular registration storage services module of management node.Monitoring resource service module, storage services module interconnect.
Memory node is an another pith of realizing the network storage of the present invention, and included module is:
● the monitoring resource service module: this module is responsible for monitoring its other resources and is utilized information, comprise cpu busy percentage, the network bandwidth, disc information etc., and the service of self is registered to the node resource monitoring modular of management node with the form with " soft state " life cycle.
● storage services module: this module is responsible for starting the stores service of memory node, and registers to the stores service monitoring modular of management node with the form with " soft state " life cycle.
Embodiment four:
Present embodiment is to use that embodiment one is described to realize the method for the network storage comprising user, management node, memory node that the step of described method comprises based on the network store system of grid:
The step that makes up.This step is the construction method of whole network store system, can be by following steps with scattered, and the storage resources that disperses on the geography is integrated and contact effectively, finally forms a whole network storage system.Concrete steps are as follows:
1. grid middleware GlobusToolkits4.0.4 source code version is installed on management node and each memory node.
2. on management node, dispose easy authentication simpleCA server.
Each memory node and user to the application oneself of simpleCA server with authentication CA certificate based on the X.509 certificate format of (Chinese name) PKI security mechanism.
4. memory node is registered with the form of the mesh services of following web service framework WSRF standard the stores service of oneself to management node, and accepts the real-time monitoring of management node.
5. each memory node stores service that oneself is provided is packaged into the mesh services of following the WSRF standard, and Open Grid Services Architecture OGSA is provided defined standard interface, thereby realizes the seamless link between the isomery memory node.
6. message is kept the survival of oneself to memory node by constantly sending " keeping survival keepalive ", if management node does not receive " keepalive " of certain memory node in the official hour section just message assert that this memory node has left storage system.
The step of service process.This step is to realize the detailed process of the network storage, and just the user uses the process of the network storage, and concrete steps are as follows:
1. the user proposes stores service request QoS and specifies a kind of in " the storage price is minimum ", " memory time is the shortest " and " the price time is taken into account " three kinds of patterns.
2. management node authenticates by AC.
3. authentication is passed through, the step of one of them below management node is selected according to user's needs;
When the user specified selection " the storage price is minimum ", the scheduler of management node can be the storage request scheduling to the minimum node of unit space storage cost.
The user specifies the scheduler of selection " memory time is the shortest " management node can be the storage request scheduling to the node of network availability bandwidth maximum.
The user specifies the scheduler definition cost performance R of selection " the price time is taken into account " management node, the node of storage request scheduling to R value maximum.
Claims (4)
1. network store system based on grid, comprise the network terminal as the user, the described network terminal is connected with management node as server by the Internet or wide area network, local area network (LAN), and described management node provides the memory node of stores service to connect with the form of mesh services to the user with pc machine, work station, the work station cluster of all kinds of isomeries by the Internet or wide area network, local area network (LAN).
2. a kind of network store system according to claim 1 based on grid, it is characterized in that, described management node comprises that the inner private network IP of cluster address translation when a work station cluster added this storage system becomes the network address translation (nat) module of legitimate network IP address; Described NAT module is connected with the system data library module that the generation system moves carrying cost information, user profile, file storage information and system's running log of necessary node resource information, node with record; Described system data library module provides the Web service module of stores service to be connected with the form of serving Web Service with network to the user; Described system data library module is realized the global resource of whole storage system is dynamically found to be connected with the node resource monitoring modular of monitoring with the monitoring resource service that each memory node is provided self; Described system data library module provides the stores service monitoring modular of situation to be connected with stores service with each memory node of dynamic monitoring; Described system data library module and the information that node resource monitoring modular, stores service monitoring modular, system data library module are provided connect according to the memory scheduling device that user's different service request QoS make suitable scheduling; Described node resource monitoring modular, stores service monitoring modular, system data library module and memory scheduling device interconnect.
3. a kind of network store system based on grid according to claim 2 is characterized in that, described memory node comprises that the responsible monitoring its other resources that is connected with the node resource monitoring modular of management node utilizes the monitoring resource service module of information; The stores service of the responsible startup memory node that is connected with the stores service monitoring modular of management node and with form with " soft state " life cycle storage services module to the stores service monitoring modular registration storage services module of management node; Described monitoring resource service module, storage services module interconnect.
4. the method based on the network storage of grid comprises user, management node, memory node, and the step of described method comprises:
The step that makes up:
Grid middleware GlobusToolkits4.0.4 source code version is installed on management node and each memory node;
The easy authentication simpleCA server of configuration on management node;
Each memory node and user to the application oneself of simpleCA server with authentication CA certificate based on the X.509 certificate format of Public Key Infrastructure(PKI) security mechanism;
Memory node is registered with the form of the mesh services of following web service framework WSRF standard the stores service of oneself to management node, and accepts the real-time monitoring of management node;
The stores service that each memory node provides oneself is packaged into the mesh services of following the WSRF standard, and Open Grid Services Architecture OGSA is provided defined standard interface, thereby realizes the seamless link between the isomery memory node;
Message is kept the survival of oneself to memory node by constantly sending " keeping survival keepalive ", if management node does not receive " keepalive " of certain memory node in the official hour section just message assert that this memory node has left storage system;
The step of service process:
The user proposes stores service request QoS and specifies a kind of in " the storage price is minimum ", " memory time is the shortest " and " the price time is taken into account " three kinds of patterns;
Management node authenticates by AC;
Authentication is passed through, the step of one of them below management node is selected according to user's needs;
When the user specified selection " the storage price is minimum ", the scheduler of management node can be the storage request scheduling to the minimum node of unit space storage cost;
The user specifies the scheduler of selection " memory time is the shortest " management node can be the storage request scheduling to the node of network availability bandwidth maximum;
The user specifies the scheduler definition cost performance R of selection " the price time is taken into account " management node, the node of storage request scheduling to R value maximum.
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