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ID:59313949
大小:5.96 MB
页数:32页
时间:2020-09-20
《存储技术英文ppt课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Network-AttachedStorageModule2.3ModuleObjectivesAftercompletingthismodule,youwillbeableto:DescribeNAS,itsbenefitsandcomponentsDiscussdifferentNASimplementationsDescribeNASfile-sharingprotocolsDiscussNASmanagementoptions2Network-AttachedStorageFileSharingEnvironmentFilesystemisstructuredwayof
2、storingandorganizingdatafilesFileSharingStoringandaccessingdatafilesovernetworkFSmustbemountedinordertoaccessfilesTraditionalclient/servermodel,implementedwithfile-sharingprotocolsforremotefilesharingExample:FTP,DNSDFSisanotherexamplesoffilesharingimplementation3Network-AttachedStorageFileSh
3、aringTechnologyEvolutionNetworkAttachedStorage(NAS)StandAlonePCNetworkedFileSharingNetworkedPCsPortableMediaforFileSharing4Network-AttachedStorageWhatisNAS?NASissharedstorageonanetworkinfrastructureClientsApplicationServerPrintServerNASDevice5Network-AttachedStorageGeneralPurposeServersvs
4、.NASDevicesApplicationsPrintDriversFileSystemOperatingSystemNetworkFileSystemOperatingSystemNetworkSingleFunctionNASDeviceGeneralPurposeServers(WindowsorUNIX)6Network-AttachedStorageBenefitsofNASSupportcomprehensiveaccesstoinformationImprovesefficiencyImprovedflexibilityCentralizesstorageSim
5、plifiesmanagementScalabilityHighavailability–throughnativeclusteringProvidessecurityintegrationtoenvironment(userauthenticationandauthorization)7Network-AttachedStorageComponentsofNASNetworkInterfaceNFSCIFSNASDeviceOSStorageInterfaceNASHeadNFSCIFSUNIXWindowsStorageArrayIP8Network-AttachedSto
6、rageNASFileSharingProtocolsTwocommonNASfilesharingprotocolsare:CIFS–CommonInternetFileSystemprotocolTraditionalMicrosoftenvironmentfilesharingprotocol,basedupontheServerMessageBlockprotocolNFS–NetworkFileSystemprotocolTraditionalUNIXenvironmentfilesharingprotocol9Network-AttachedStorageNetwo
7、rkFileSystem(NFS)Client/serverapplicationUsesRPCmechanismsoverTCPprotocolMountpointsgrantaccesstoremotehierarchicalfilestructuresforlocalfilesystemstructuresAccesstothemountcanbecontrolledbypermissions10Network-AttachedStorageNASFileSharing-CIFSCom
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