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Symantec 7 manual Deduplication server components, 1is a diagram of the storage server components

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Chapter 9

Deduplication architecture

This chapter includes the following topics:

■Deduplication server components

■Media server deduplication process

■Deduplication client components

■Deduplication client backup process

■About deduplication fingerprinting

■Data removal process

Deduplication server components

Figure 9-1is a diagram of the storage server components.

Image 109

Symantec 7 manual Deduplication server components, 1is a diagram of the storage server components

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 Recovering from a deduplication storage server disk failure Disaster recoveryDeduplication client backup process Preparing for disasterThis 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 host requirements NetBackup client deduplicationAbout client deduplication requirements About client deduplication limitations About NetBackup Deduplication Engine credentialsAbout 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 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 deduplicationAbout the deduplication license key Licensing NetBackup deduplicationReplacing the deduplication storage server host computer 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 serverStorage paths About deduplication poolsNetwork interface Load balancing servers, if anyMedia 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 backupsConfiguring 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 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 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 Deleting a load balancing server configuration file Setting the storage server configurationAlternative, the file may be an edited configuration file Removing a load balancing serverTo 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 registryAdding 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 Determining the deduplication pool state Deleting a deduplication poolState is either UP or Down Disk pool state is UP or DownViewing deduplication disk pools Determining the deduplication disk volume stateTo 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 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 filesAbout maintenance processing Deleting backup imagesFollowing are background maintenance processes Disabling deduplication for a clientNetBackup Deduplication Engine queue processing Managing deduplication About maintenance processing Installation on Suse Linux fails Troubleshooting installation issuesCannot 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 Volume state changes to Down when volume is unmounted Backup jobs failErrors, delayed response, hangs Viewing disk errors and eventsDeduplication event codes and messages 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