See About the deduplication license key on | Symantec 7 guide

104Disaster recovery

Recovering from a deduplication storage server disk failure

Recovering from a deduplication storage server disk failure

If recovery mechanisms do not protect the disk on which the NetBackup software resides, the deduplication storage server configuration is lost if the disk fails. This topic describes how to recover from a system disk or program disk failure where the disk was not backed up.

Note: This procedure describes recovery of the disk on which the NetBackup media server software resides not the disk on which the deduplicated data resides. The disk may or may not be the system boot disk.

Symantec recommends that you use NetBackup to protect the deduplication storage server system or program disks. You then can use NetBackup to restore that media server if the disk on which NetBackup resides fails and you have to replace it.

Table 8-1	Process to recover from media server disk failure
Replace the disk.		If the disk is a system boot disk, also install the operating
		system.
		See the hardware vendor and operating system
		documentation.
Mount the storage.		Ensure that the storage and database are mounted at the
		same locations.
		See the storage vendor's documentation.
Install and license the		See the NetBackup Installation Guide for UNIX and Linux.
NetBackup media server		See the NetBackup Installation Guide for Windows.
software.		See the NetBackup Installation Guide for Windows.
software.
		See “About the deduplication license key” on page 42.
Delete the configuration file		If you use load balancing servers in your environment, delete
on media servers		the storage server configuration files on those servers.

See “Deleting a load balancing server configuration file” on page 70.

Image 104

Symantec 7 manual Recovering from a deduplication storage server disk failure, See About the deduplication license key on

Contents

Symantec NetBackup Deduplication Guide Symantec NetBackup Deduplication Guide Legal Notice Symantec Corporation Ellis Street Mountain View, CA Technical Support Contacting Technical Support Licensing and registration Maintenance agreement resources Contents Paths Chapter Disaster recovery Recovering from a deduplication storage server disk failureDeduplication client backup process Preparing for disaster About NetBackup deduplication This chapter includes the following topics About NetBackup deduplication options NetBackup deduplication options Type Description See the NetBackup PureDisk Getting Started Guide How deduplication works See Media server deduplication process on Page Planning your deployment Planning your deduplication deployment Deployment task Where to find the information Deployment overview About the NetBackup Media Server Deduplication Option About the deduplication storage type See About deduplication servers on NetBackup media server deduplication About deduplication servers About deduplication nodes Host Description About deduplication server requirements About media server deduplication limitations About NetBackup Client Deduplication See the NetBackup PureDisk Deduplication Option Pddo Guide About client deduplication requirements NetBackup client deduplicationAbout client deduplication host requirements About NetBackup Deduplication Engine credentials About client deduplication limitations About 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 About deduplication performance When When Description How file size may affect the deduplication rate Task Procedure Volume To migrate from PureDisk to NetBackup deduplication Migrating from another storage type to deduplication See the NetBackup Administrators Guide for Unix and Linux About provisioning the storage About deduplication storage requirements About deduplication storage capacity About the deduplication storage pathsPage Page Installing deduplication About installing deduplication Replacing the deduplication storage server host computer Licensing NetBackup deduplicationAbout the deduplication license key See Deleting credentials from a load balancing server on Uninstalling media server deduplication See Adding a load balancing server on Purediskdbuser folder Disable media server deduplication Opt/pdshared Configuring deduplication Configuring deduplication Configuring a deduplication storage server Deduplication configuration tasks About deduplication pools Storage pathsNetwork interface Load balancing servers, if any Configuring a deduplication pool Media server deduplication pool properties Disk volume Property Description Configuring a deduplication storage unit Per volume Deduplication storage unit properties Disk type Deduplication storage unit recommendations Increase the Maximum concurrent jobs gradually Throttle traffic to the media servers Configuring backups Enabling client deduplication You 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 About the deduplication configuration file Editing the deduplication configuration file Pd.conf file settings Debuglog Setting Default value Possible values Action Optduptimeout Maximgmbsize See Resetting the deduplication registry on Managing deduplication Managing deduplication servers Changing 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 Setting the storage server configuration Deleting a load balancing server configuration fileAlternative, the file may be an edited configuration file Removing a load balancing server To remove a media server from a deduplication node Viewing deduplication storage servers Viewing deduplication storage server attributes Resetting the deduplication registry Procedure differs on Unix and on Windows You 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 Deleting a deduplication pool Determining the deduplication pool stateState is either UP or Down Disk pool state is UP or Down Determining the deduplication disk volume state Viewing deduplication disk poolsTo determine disk pool state State is either UP or DOWN. The following is example output You can monitor deduplication activity Monitoring deduplication activityMonitoring the deduplication rates 1describes the disk reports available Viewing disk reportsMany factors affect deduplication performance Disk reports Report Description Monitoring deduplication processes Monitoring deduplication logs NetBackup Deduplication Manager logs Log files are in the /storagepath/log/spad directory Save the file Run the following command For bpbrm About VxUL logs Monitoring deduplication storage capacity and usage About deduplication capacity and usage reporting Option Description Credentials Storage Servers About deduplication container files Viewing capacity within deduplication container files Deleting backup images About maintenance processingFollowing are background maintenance processes Disabling deduplication for a client NetBackup Deduplication Engine queue processing Managing deduplication About maintenance processing Troubleshooting installation issues Installation on Suse Linux fails Select 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 Backup jobs fail Volume state changes to Down when volume is unmounted Deduplication event codes and messages Viewing disk errors and eventsErrors, delayed response, hangs Event # NetBackup Message example Severity 1002 Task 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-site Recovering from a deduplication storage server disk failure See About the deduplication license key on Information about recovering the master server is available See the NetBackup Troubleshooting Guide Process 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 components Separates the file’s metadata from the file’s content Media server deduplication process Component Description Bptm process moves the data to the PureDisk plug-in Deduplication to a PureDisk storage pool Deduplication client backup process Deduplication client components Deduplication client backup process Deduplication client backup to a PureDisk storage pool About deduplication fingerprinting Data removal process Index Page