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Symantec 7 manual

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16Introducing NetBackup deduplication About NetBackup deduplication

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Symantec 7 manual

Contents

Symantec NetBackup Deduplication Guide Symantec NetBackup Deduplication Guide Legal NoticeSymantec Corporation Ellis Street Mountain View, CA Technical Support Contacting Technical SupportLicensing and registration Maintenance agreement resources Contents Paths Chapter Disaster recovery Recovering from a deduplication storage server disk failureDeduplication client backup process Preparing for disasterAbout NetBackup deduplication This chapter includes the following topicsAbout NetBackup deduplication options NetBackup deduplication options Type DescriptionSee the NetBackup PureDisk Getting Started Guide How deduplication worksSee Media server deduplication process on Page Planning your deployment Planning your deduplication deploymentDeployment task Where to find the information Deployment overviewAbout the NetBackup Media Server Deduplication Option About the deduplication storage typeSee About deduplication servers on NetBackup media server deduplication About deduplication serversAbout deduplication nodes Host DescriptionAbout deduplication server requirements About media server deduplication limitationsAbout NetBackup Client Deduplication See the NetBackup PureDisk Deduplication Option Pddo GuideAbout client deduplication host requirements NetBackup client deduplicationAbout client deduplication requirements About NetBackup Deduplication Engine credentials About client deduplication limitationsAbout firewalls and the deduplication hosts About the network interface for deduplicationAbout scaling deduplication About optimized duplication of deduplicated data About compression and encryptionOptimized deduplication copy requirements Page Page Optimized deduplication copy limitations About deduplication performance WhenWhen Description How file size may affect the deduplication rateTask Procedure VolumeTo migrate from PureDisk to NetBackup deduplication Migrating from another storage type to deduplicationSee the NetBackup Administrators Guide for Unix and Linux About provisioning the storage About deduplication storage requirementsAbout deduplication storage capacity About the deduplication storage pathsPage Page Installing deduplication About installing deduplicationAbout the deduplication license key Licensing NetBackup deduplicationReplacing the deduplication storage server host computer See Deleting credentials from a load balancing server on Uninstalling media server deduplication See Adding a load balancing server onPurediskdbuser folder Disable media server deduplication Opt/pdsharedConfiguring deduplication Configuring deduplicationConfiguring a deduplication storage server Deduplication configuration tasksAbout deduplication pools Storage pathsNetwork interface Load balancing servers, if anyConfiguring a deduplication pool Media server deduplication pool propertiesDisk volume Property DescriptionConfiguring a deduplication storage unit Per volumeDeduplication storage unit properties Disk typeDeduplication storage unit recommendations Increase the Maximum concurrent jobs graduallyThrottle traffic to the media servers Configuring backups Enabling client deduplicationConfiguring optimized deduplication copy behavior Configuring optimized deduplication copyYou can configure optimized copy of deduplicated backups Adding a load balancing server To configure the number of storage lifecycle policy retriesBehavior file resides in the following directories Management Credentials Storage Server About the deduplication configuration file Editing the deduplication configuration filePd.conf file settings DebuglogSetting Default value Possible values Action OptduptimeoutMaximgmbsize See Resetting the deduplication registry on Managing deduplication Managing deduplication serversChanging deduplication storage server properties Determining the deduplication storage server state Deleting a deduplication storage serverChange the value Click OK Editing a storage server configuration file Getting the storage server configurationFollowing is example output See Getting the storage server configuration on Setting the storage server configuration Deleting a load balancing server configuration fileAlternative, the file may be an edited configuration file Removing a load balancing serverTo remove a media server from a deduplication node Viewing deduplication storage servers Viewing deduplication storage server attributesResetting the deduplication registry Procedure differs on Unix and on WindowsAdding NetBackup Deduplication Engine credentials Managing NetBackup Deduplication Engine credentialsYou can manage existing credentials in NetBackup Deleting credentials from a load balancing server Changing NetBackup Deduplication Engine credentialsFor sshostname, use the name of the storage server Changing deduplication disk pool properties Managing deduplication disk poolsSelect the storage server, then select Edit Change Disk volume state is UP or Down Changing the deduplication disk volume stateChanging the deduplication pool state Deleting a deduplication pool Determining the deduplication pool stateState is either UP or Down Disk pool state is UP or DownDetermining the deduplication disk volume state Viewing deduplication disk poolsTo determine disk pool state State is either UP or DOWN. The following is example outputMonitoring the deduplication rates Monitoring deduplication activityYou can monitor deduplication activity Many factors affect deduplication performance Viewing disk reports1describes the disk reports available Disk reports Report DescriptionMonitoring deduplication processes Monitoring deduplication logsNetBackup Deduplication Manager logs Log files are in the /storagepath/log/spad directorySave the file Run the following command For bpbrmAbout VxUL logs Monitoring deduplication storage capacity and usage About deduplication capacity and usage reportingOption Description Credentials Storage ServersAbout deduplication container files Viewing capacity within deduplication container filesDeleting backup images About maintenance processingFollowing are background maintenance processes Disabling deduplication for a clientNetBackup Deduplication Engine queue processing Managing deduplication About maintenance processing Troubleshooting installation issues Installation on Suse Linux failsCannot configure deduplication storage server Troubleshooting configuration issuesSelect one of the following options Disk pool wizard does not display a volume Troubleshooting operational issuesVerify that the server has sufficient memory Backup jobs fail Volume state changes to Down when volume is unmountedErrors, delayed response, hangs Viewing disk errors and eventsDeduplication event codes and messages Event # NetBackup Message example Severity 1002Task session start request on server An unexpected signal Usage of one or more system Troubleshooting Deduplication event codes and messages Preparing for disaster Moving images off-siteRecovering from a deduplication storage server disk failure See About the deduplication license key onInformation about recovering the master server is available See the NetBackup Troubleshooting GuideProcess to recover from a permanent media server failure Process to recover from a permanent media server failure Page 1is a diagram of the storage server components Deduplication server componentsSeparates the file’s metadata from the file’s content Media server deduplication process Component DescriptionBptm process moves the data to the PureDisk plug-in Deduplication to a PureDisk storage pool Deduplication client backup process Deduplication client componentsDeduplication client backup process Deduplication client backup to a PureDisk storage pool About deduplication fingerprinting Data removal process Index Page