HP Enterprise File Services WAN Accelerator manual How Does PFS Work?

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NOTE: When you configure a share, a text file (._rbt_share_lock. txt), is created on the origin server that keeps track of which HP EFS WAN Accelerator owns the share. Do not remove this file. If you remove the ._rbt_share_lock. txt file on the origin file server, PFS will not function properly.

Stand-Alone Mode. Provides the client read-write access to data on a remote HP EFS WAN Accelerator. For example, if you want to load temporary data from a remote client to the remote HP EFS WAN Accelerator that does not need to be backed up at a data center, you can create a share in Stand-Alonewithout a remote path. A Stand-Aloneshare with a remote path is initially populated with data from the origin server after which changes and/or new data created on the share are not sent back to the origin server.

Global Mode. HP EFS WAN Accelerator optimization without PFS enabled.

How Does PFS Work?

To synchronize the data volumes, the HP EFS WAN Accelerator communicates to the HP EFS RCU running on the origin server. If the origin server is a non-Windows file server and cannot run the HP EFS RCU, then the HP EFS RCU can be run on a Windows server with write-access, to the origin server.

PFS provides Windows file service in the HP EFS WAN Accelerator at a remote site. The HP EFS WAN Accelerator is configured as a Domain Member Server. Data volumes at the data center are configured explicitly on the proxy file server and are served locally by the HP EFS WAN Accelerator. As part of the configuration, the data volume including the Access Control Lists (ACLs) from the origin server are copied on to the HP EFS WAN Accelerator. PFS allocates a portion of the HP EFS WAN Accelerator data store for users to access as a network file system.

PFS in the HP EFS WAN Accelerator allows a Domain Controller (DC) to authenticate users accessing its file shares. The DC can be located at the remote site or over the WAN at the main data center. The HP EFS WAN Accelerator must be configured as a Member Server in the Windows 2000, or later, Active Directory Services (ADS) domain. Domain users are allowed to access the PFS shares based on the access permission settings provided for each user.

86	8 - PROXY FILE SERVICE DEPLOYMENTS

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Contents HP StorageWorks Enterprise File Services WAN Accelerator 407118-001Legal and notice information Contents Chapter Policy-Based Routing Deployments Wccp DeploymentsProxy File Service Deployments Radius and TACACS+ AuthenticationSerial Cluster and Cascade Deployments 107 Glossary 113 Index 117Introduction About This GuideOrganization of This Guide Document Conventions BoldfaceAntivirus Compatibility Hardware and Software DependenciesEthernet Network Compatibility Additional Resources Related Reading Contacting HP HP Storage Web SiteIntroduction Designing an HP EFS WAN Accelerator Deployment Introduction to the HP EFS WAN AcceleratorTransaction Acceleration Virtual Window ExpansionDesign and Deployment Overview Transaction PredictionDesigning AN HP EFS WAN Accelerator Deployment Bypass Mode Definition of TermsFailover Mode Designing AN HP EFS WAN Accelerator Designing AN HP EFS WAN Accelerator Deployment In-Path Deployments ‹ In-Path,Server-Side, One to One Deployment onBasic Steps Client-Side Introduction to Physical In-Path DeploymentsIn-Path, Failover Support Deployment Setup Advanced Networking Failover Settings In-Path, Two Routing Points Deployment Basic Steps Server-SideIn-Path, Server-Side Deployment Basic Steps Client-Side Basic Steps Server-SideIn-Path, Server-Side, One to One Deployment In-Path, Server-Side DeploymentFollowing figure illustrates the server-side of the network Setup Advanced Networking Failover Settings Virtual In-Path Network Deployments Introduction to Virtual In-Path DeploymentsIn-Path, Load Balanced, Layer-4 Switch In-Path, Load-Balanced, Layer-4 Switch Deployment Setup Optimization Service General Settings Out-of-Path Network Deployments Introduction to Out-of-Path DeploymentsOut-of-Path, Failover Deployment Physical Out-of-Path DeploymentOut-of-Path, Server-Side, Failover Support Deployment Setup Optimization Service In-Path Rules Out-of-Path, Static Cluster Deployment Static Cluster DeploymentSetup Optimization Service In-Path Rules, Fixed Target Hybrid In-Path and Out-of-Path Deployment Basic StepsServer-Side Client-SideSetup Optimization Service In-Path Rules Basic Steps Server-Side OUT-OF-PATH Network Deployments Configuring Connection Forwarding Introduction to Connection ForwardingNeighbors Connection Forwarding Connection Forwarding in an Asymmetric NetworkConfiguring Connection Forwarding One-to-One Failover DeploymentConfiguring Connection Forwarding Using Management Console‹ Click Update Settings Configuring Connection Forwarding Using the CLI ForwardingPolicy-Based Routing Deployments ‹ Symmetric Deployments with PBR, Autodiscovery, and CDP onIntroduction to PBR Overview of CDPHow PBR works on a Cisco 6500 Platform Version 12.217d SXB1 Wccp PBRAutodiscovery, and CDP on Configuring PBR Using Asymmetric HP EFS WAN Accelerator Deployments With PBRSide router To configure the client- side HP EFS WAN AcceleratorTo configure the client Configuring PBR Using Management Console Setup Optimization Service General Settings Setup Optimization Service In-Path Rules Basic Steps Client-Side Basic Steps Server-Side PBR Between VLANs PBR Between VLANsTo configure the HP To configure the CiscoEFS WAN Accelerator RouterSet of commands EFS WAN AcceleratorsPOLICY-BASED Routing Deployments POLICY-BASED Routing Deployments Symmetric Deployments with PBR Autodiscovery, and CDP POLICY-BASED Routing Deployments Troubleshooting ‹ Troubleshooting on Wccp DeploymentsBasic Wccp Configuration Introduction to WccpFailover Support on Wccp CLI Commands ‹ To configure a service groupService group Accelerator Basic Wccp ConfigurationConnecting Wccp router Configuring Client-Side HPTo configure Accelerator Configuring Wccp Using the Management ConsoleTo add the Wccp service group to Enable Wccp on your router Navigate to the Setup Advanced Networking Wccp Groups Setup Service, Wccp Groups To define in-path rules to reach the server- side appliance Basic Steps Server-Side Dual Wccp Deployment Wccp 3640 routerIp cef Wccp 6209 router No ip http serverAdditional Wccp Features To configure the server-side HP EFS WAN AcceleratorTo set the password SecurityMulticast TCP Port RedirectionTo configure specific traffic redirection on the router To change the hashing scheme and assign a weightLoad Balancing Failover SupportTroubleshooting Proxy File Service Deployments Introduction to PFSProxy File Service Description Term PFS TermsPFS Operating Modes How Does PFS Work? When to Use PFSWhen to use Global Mode Configuring PFS Using the Management Console To join a domain forSetup Proxy File Service PFS Configuration Required Setup Proxy File Service Shares Mode Description To map a share To synchronizeInitialize a share To modify share InformationTo view share status DetailsRadius and TACACS+ Authentication Introduction to AuthenticationConfiguring a Radius Server with FreeRADIUS Radius server To add acceptanceRequests on Configuring a TACACS+ Server with Free TACACS+ To downloadConfiguring AuthenticationSetup Authentication General Settings TACACS+ 104 105 106 Serial Cluster and Cascade Deployments Serial Cluster DeploymentSerial Cluster To configure HP EFS WAN Accelerator1 Basic Serial Cluster DeploymentWAN Accelerator3 To configure HP EFSWAN Accelerator2 Cascade Deployment Cascade DeploymentFixed-Target Rules Glossary 114 115 116 Index PBR118

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