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OneFSIsilonOneFSv5.5UserGuideJanuary2010©2010IsilonSystems,Inc.Allrightsreserved.Isilon,IsilonSystems,OneFS,andSyncIQareregisteredtrademarksofIsilonSystems,Inc.IsilonIQ,SmartConnect,SnapshotIQ,TrueScale,Autobalance,FlexProtect-AP,SmartCache,“HOWBREAKTHROUGHSBEGIN.”andtheIsilonlogoaretrademarksorregisteredtrademarksofIsilon.Otherproductandcompanynamesmentionedarethetrademarksoftheirrespectiveowners.U.S.PatentNumbers7,146,524;7,346,720;7,386,675;7,509,448;7,509,524;7,551,572;7,590,652;7,593,938.ChinaPatentNumberZL02816665.5.Otherpatentspending.Duetoongoingproductdevelopment,innovation,andrevision,theinformationcontainedhereissubjecttochangewithoutnotice.Isilonwillpublishupdatesandrevisionstothisdocumentasneeded.ThesystemsdocumentedhereinareprovidedunderEndUserLicenseAgreements.PleaserefertotheAgreementsfordetailsgoverningtheuseofIsilonIQsystems.ContentsChapter1:TheIsilonOneFSDistributedFileSystem............................................................9IntroductiontoOneFS.........................................................................................................9HowOneFSWorks...........................................................................................................10DataProtectioninOneFS.................................................................................................12FileSharinginOneFS......................................................................................................17OneFSAuthenticationServices........................................................................................19IsilonSoftwareModules....................................................................................................20MonitoringandAlertinginOneFS.....................................................................................22Chapter2:InstallingIsilonClusters........................................................................................23RegulatoryNotices...........................................................................................................23PlanningforInstallation....................................................................................................24PlanningforInternalNetworks...............................................................................24PlanningforExternalNetworks..............................................................................24SelectingNetworkSwitches...................................................................................26SelectingFibreChannelSwitchesforBackupAcceleratorNodes........................27PreparingSitesforInstallation...............................................................................27InstallingHardware...........................................................................................................28InstallingIsilonIQX-SeriesNodes........................................................................28InstallingIsilonIQS-SeriesNodes........................................................................39InstallingIsilonIQNL-SeriesNodes......................................................................46InstallingIsilonEXNodes......................................................................................51InstallingIsilonIQAccelerator-xNodes.................................................................57InstallingIsilonIQBackupAcceleratorNodes.......................................................61InstallingIsilonIQ200Nodes................................................................................64ConfiguringInitialSettings................................................................................................68ConfiguringtheInitialNodeinaCluster................................................................68ConfirmingaSuccessfulClusterConfiguration.....................................................71TakingtheNextSteps......................................................................................................72MountingaClusterDirectoryonaUNIXClient......................................................72MappingaClusterDirectorytoaWindowsClient..................................................72Chapter3:NetworkManagement.............................................................................................73ManagingInternalNetworks.............................................................................................73ConfiguringInitialInternalNetworkSettings.........................................................73ConfiguringNetmaskandMTUSettingsfortheInternalNetwork.........................74AddingIPAddressestotheInternalNetwork........................................................74DeletingIPAddressesfromtheInternalNetwork..................................................75MigratingIPAddressesfortheInternalNetwork...................................................75EnablingtheInt-bandFailoverInternalNetworks.................................................76ModifyingInt-ba