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Symantec 7 manual Configuring deduplication

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Chapter 5

Configuring deduplication

This chapter includes the following topics:

■Configuring deduplication

■Configuring a deduplication storage server

■About deduplication pools

■Configuring a deduplication pool

■Configuring a deduplication storage unit

■Enabling client deduplication

■Configuring backups

■Configuring optimized deduplication copy

■Configuring optimized deduplication copy behavior

■Adding a load balancing server

■About the deduplication configuration file

■Editing the deduplication configuration file

■Reconfiguring the deduplication storage server and storage paths

Configuring deduplication

This guide describes how to configure deduplication in NetBackup.

Table 5-1describes the configuration tasks.

The NetBackup administrator's guides describe how to configure a base NetBackup environment.

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Symantec 7 manual Configuring deduplication

Contents

Symantec NetBackup Deduplication Guide Legal Notice Symantec NetBackup Deduplication GuideSymantec Corporation Ellis Street Mountain View, CA Contacting Technical Support Technical SupportLicensing and registration Maintenance agreement resources Contents Paths Chapter Preparing for disaster Disaster recoveryRecovering from a deduplication storage server disk failure Deduplication client backup processThis chapter includes the following topics About NetBackup deduplicationAbout NetBackup deduplication options Type Description NetBackup deduplication optionsHow deduplication works See the NetBackup PureDisk Getting Started GuideSee Media server deduplication process on Page Planning your deduplication deployment Planning your deploymentDeployment overview Deployment task Where to find the informationAbout the deduplication storage type About the NetBackup Media Server Deduplication OptionSee About deduplication servers on About deduplication servers NetBackup media server deduplicationHost Description About deduplication nodesAbout media server deduplication limitations About deduplication server requirementsSee the NetBackup PureDisk Deduplication Option Pddo Guide About NetBackup Client DeduplicationAbout client deduplication requirements NetBackup client deduplicationAbout client deduplication host requirements About client deduplication limitations About NetBackup Deduplication Engine credentialsAbout scaling deduplication About the network interface for deduplicationAbout firewalls and the deduplication hosts Optimized deduplication copy requirements About compression and encryptionAbout optimized duplication of deduplicated data Page Page Optimized deduplication copy limitations When About deduplication performanceHow file size may affect the deduplication rate When DescriptionVolume Task ProcedureMigrating from another storage type to deduplication To migrate from PureDisk to NetBackup deduplicationSee the NetBackup Administrators Guide for Unix and Linux About deduplication storage requirements About provisioning the storageAbout the deduplication storage paths About deduplication storage capacityPage Page About installing deduplication Installing deduplicationReplacing the deduplication storage server host computer Licensing NetBackup deduplicationAbout the deduplication license key See Deleting credentials from a load balancing server on See Adding a load balancing server on Uninstalling media server deduplicationPurediskdbuser folder Opt/pdshared Disable media server deduplicationConfiguring deduplication Configuring deduplicationDeduplication configuration tasks Configuring a deduplication storage serverLoad balancing servers, if any About deduplication poolsStorage paths Network interfaceMedia server deduplication pool properties Configuring a deduplication poolProperty Description Disk volumePer volume Configuring a deduplication storage unitDisk type Deduplication storage unit propertiesIncrease the Maximum concurrent jobs gradually Deduplication storage unit recommendationsThrottle traffic to the media servers Enabling client deduplication Configuring backupsYou can configure optimized copy of deduplicated backups Configuring optimized deduplication copyConfiguring optimized deduplication copy behavior Behavior file resides in the following directories To configure the number of storage lifecycle policy retriesAdding a load balancing server Management Credentials Storage Server Editing the deduplication configuration file About the deduplication configuration fileDebuglog Pd.conf file settingsOptduptimeout Setting Default value Possible values ActionMaximgmbsize See Resetting the deduplication registry on Managing deduplication servers Managing deduplicationChanging deduplication storage server properties Change the value Click OK Deleting a deduplication storage serverDetermining the deduplication storage server state Following is example output Getting the storage server configurationEditing a storage server configuration file See Getting the storage server configuration on Removing a load balancing server Setting the storage server configurationDeleting a load balancing server configuration file Alternative, the file may be an edited configuration fileTo remove a media server from a deduplication node Viewing deduplication storage server attributes Viewing deduplication storage serversProcedure differs on Unix and on Windows Resetting the deduplication registryYou can manage existing credentials in NetBackup Managing NetBackup Deduplication Engine credentialsAdding NetBackup Deduplication Engine credentials For sshostname, use the name of the storage server Changing NetBackup Deduplication Engine credentialsDeleting credentials from a load balancing server Select the storage server, then select Edit Change Managing deduplication disk poolsChanging deduplication disk pool properties Changing the deduplication pool state Changing the deduplication disk volume stateDisk volume state is UP or Down Disk pool state is UP or Down Deleting a deduplication poolDetermining the deduplication pool state State is either UP or DownState is either UP or DOWN. The following is example output Determining the deduplication disk volume stateViewing deduplication disk pools To determine disk pool stateYou can monitor deduplication activity Monitoring deduplication activityMonitoring the deduplication rates 1describes the disk reports available Viewing disk reportsMany factors affect deduplication performance Report Description Disk reportsMonitoring deduplication logs Monitoring deduplication processesLog files are in the /storagepath/log/spad directory NetBackup Deduplication Manager logsFor bpbrm Save the file Run the following commandAbout VxUL logs About deduplication capacity and usage reporting Monitoring deduplication storage capacity and usageCredentials Storage Servers Option DescriptionViewing capacity within deduplication container files About deduplication container filesDisabling deduplication for a client Deleting backup imagesAbout maintenance processing Following are background maintenance processesNetBackup Deduplication Engine queue processing Managing deduplication About maintenance processing Installation on Suse Linux fails Troubleshooting installation issuesSelect one of the following options Troubleshooting configuration issuesCannot configure deduplication storage server Verify that the server has sufficient memory Troubleshooting operational issuesDisk pool wizard does not display a volume Volume state changes to Down when volume is unmounted Backup jobs failDeduplication event codes and messages Viewing disk errors and eventsErrors, delayed response, hangs 1002 Event # NetBackup Message example SeverityTask session start request on server An unexpected signal Usage of one or more system Troubleshooting Deduplication event codes and messages Moving images off-site Preparing for disasterSee About the deduplication license key on Recovering from a deduplication storage server disk failureSee the NetBackup Troubleshooting Guide Information about recovering the master server is availableProcess to recover from a permanent media server failure Process to recover from a permanent media server failure Page Deduplication server components 1is a diagram of the storage server componentsSeparates the file’s metadata from the file’s content Component Description Media server deduplication processBptm process moves the data to the PureDisk plug-in Deduplication to a PureDisk storage pool Deduplication client components Deduplication client backup processDeduplication client backup process Deduplication client backup to a PureDisk storage pool About deduplication fingerprinting Data removal process Index Page