. HP Data ProtectorMoM Configuration and Troubleshooting GuideLast updated, v3, November 2010Data Protector Manager-of-Managers concept. 2Using multiple Cell Managers.
2Manager-of-Manager features. Data Protector Manager-of-Managers conceptUsing multiple Cell ManagersData Protector Cell Managers are split into multiple cells for various reasons:Geographical grouping of systemsLogical grouping of systems, for example, by departmentSlow network connection between some systemsPerformance considerationsSeparate administrative controlData Protector provides the Manager-of-Managers (MoM) feature to centrally manage largeenvironments with multiple cells. Central Media Management Database conceptIDB and CMMDBIn the MoM environment, you can use the Centralized Media Management Database (CMMDB),to share devices and media across several cells.The Internal Database (IDB) keeps information about backup, restore, and media managementsessions, devices, and media. It consists of five parts — MMDB, CDB, DCBF, SMBF, and SIBF—that are located on the Cell Manager.
Each part stores some specific Data Protector information. ExampleEach of the three departments at New York must be configured into a MoM cell.
Additionally,both London and Paris should be configured into local MoM cells, each with two Data Protectorclient cells.Configure cell A as the MoM cell for the New York environment, cell D as the MoM cell for theParis environment, and cell F as the MoM cell for the London environment.The Cell Managers and Manager-of-Managers in all seven cells should be Windows systems. MoM installation and setupPrerequisitesYou must choose a system for the MoM Manager.
It should be a highly reliable system that is aData Protector Cell Manager with the software installed.Install the required licenses on the MoM cell and on every prospective MoM client cell.The Cell Managers are LAN connected. The Backup Media Servers are SAN connected to thetape devices. The MoM server is LAN connected.All servers are entered into the domain. Using option 1: dedicated tape drives1. On each Cell Manager, right-click on Devices & Media, Devices, Autoconfigure Devices.Run the Device Autoconfiguration Wizard to configure the shared media devices. Make sure only the number of drives that are dedicated to each Cell Manager are selected in theconfiguration wizard.Figure 2:Device Configuration Wizard2.
Create dedicated pools on each of the Cell Managers, and a shared free pool for all CellManagers. See the HP Data Protector getting started guide (B6960–90155) for more detailson configuring media.Note:When merging to CMMDB, devices and pools with the same name will be renamed to createa unique name for each of the Cell Managers.
Example:On the first Cell Manager, run Barcode Scan on the slots. Create pools and format the mediainto the dedicated pools. When formatting, select the media pool to add the media in:Library on Cell Manager HapticFigure 5:Defining poolsOn the second Cell Manager, create pools, run a barcode scan on the slots, and run a scanon the media or format the media into the dedicated pools:Library on Cell Manager MuggyFigure 6:Defining poolsThe configured media view will show the media details:Figure 7:Configured media9 Page. Using option 2: multi-path deviceTo configure the device as a multipath device, the host of the CMMDB needs to be made awareof the media agents using this device, which may reside in other cells:1. Open the cellinfo file on the Cell Manager. This file is located underDPHome Config Server Cell on Windows Servers. Copy the lines containing the mediaagent host connected to the device in the cellinfo file from the Cell Manager to thecellinfo file on the MoM.
In the Control tab, you can see additional boxes for configuring the client and the SCSIaddress. Select the appropriate clients and paths for the device. Click Add to add all hosts tothe library configuration.
Systerac tools 6 premium serial killers. The path that is available in the SAN to be selected, will have agreen tick in front of it. The Add button will become active once an available path ishighlighted. Repeat the procedure for all the drives to configure them as multipath drives.Figure 10: Media configurationNote: If you switch between the first and second configuration options, you need to configure thesame device twice from two different Cell Managers. You should delete one device from CM2and just keep the device from CM1. You will have to change the “Destination” for the backupsconfigured using the deleted device.
Setting up a MoM ManagerTwo MoM configurations are possible:Promote one of the Cell Managers to become the MoM manager as well.Use a dedicated server to be the MoM server only.If a high number of database transactions is expected on the CMMDB (200 IDB databaseconnections), it is recommended to use a dedicated system for the MoM Manager, separatedfrom the Cell Manager IDBs transactions.Option 1: Promote one of the Cell Managers to become MoM manager1. In the Context List, click Clients.2. Option 2: Install a dedicated MoM server1. To install the MoM software, start the Data Protector setup and chose the MoM interface.
CoreData Protector software will be installed in addition to the MoM, but can be unselected. If thisis a dedicated MoM server, you can also choose to install the documentation. If this is a CellManager upgrade, you can unselect the documentation:Figure 12: Installing MoM2. Add the account to the local system admin group on the Cell Managers and MoM server:Figure 15: Creating MoM admin user16 P a g e. Importing Cell ManagersImporting a Data Protector cell into a MoM environment allows it to be centrally managed by theMoM Manager.Cluster clients identify themselves to the MoM Manager with their virtual server names. If youimport a cluster in a MoM environment, use only its virtual server name.1.
In the MoM, click Clients in the Context List.2. Right-click Enterprise Clients and then click Import Cell Manager.3. Select a Cell Manager to import and click Finish. PrerequisitesCheck that the Data Protector Cell Managers in all cells have the same version of DataProtector installed and running.Check that there are no backup, restore, or media management sessions running on any of thecells to be added to the CMMDB.OverviewThere are two stages to configuration:Configure CMMDB on the MoM Manager.Configure CMMDB on each client cell.1. Configuring CMMDB on the MoM Manager1. Run a backup of the IDB. Note:If duplicate pool names exist, the pool name will be renamed with 1 to ensure a unique name:Figure 18: Configuring the CMMDB19 P a g e.
3. Run the following command on the MoM server to synchronize the local CDB with theCMMDB:On Windows systems:DataProtectorhome bin omnidbutil -cdbsync CellServerHostnameOn UNIX systems: /opt/omni/sbin/omnidbutil -cdbsync CellServerHostnameFigure 19: Configuring CMMDB4. Edit the duplicated names of media pools and devices.
This duplication always occurs with thedefault pools if they exist on both cells. The duplicated names have N appended to theirname, where N is a number. Restart the Data Protector services.4. Update configuration files by running the following command:On Windows systems: DataProtectorhome bin omnicc -updatemomserverOn UNIX systems: /opt/omni/bin/omnicc -updatemomserver5. Verify with the omnisv –status command that the media is managed by the CMMDB:Figure 21: Configuring CMMDBNote: The pool names of the Cell Manager that was merged first will remain as they are. Setting up centralized licensingIf you are consolidating existing Data Protector cells into a MoM environment, send a request tothe HP Password Delivery Center to move the licenses from the existing Cell Managers to the newMoM Manager.1. Log on to the MoM Manager and create the licdistrib.dat file:On Windows Server 2008:DataProtectorprogramdata Config server cell licdistrib.datOn other Windows systems:DataProtectorhome Config server cell licdistrib.
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Two Cell Managers, Aztec and Mayan, are configured in the enterprise environment withcentralized licensing:Aztec is an HP-UX Cell Manager with a Cell Manager for UNIX—Single Drive license. There isalso an NDMP server connected in the cell that requires an NDMP Server Backup Extensionlicense.Mayan is also an HP-UX Cell Manager with one Cell Manager for UNIX—Single Drive license.
Figure 23: Licensing report5. Deactivating centralized licensingCentralized licensing can be deactivated and converted to local licensing:1. In the MoM, click Clients in the Context List.2. In the Scoping Pane, right-click the Cell Manager for which you want to deactivate centralizedlicensing and then click Configure Licensing to open the wizard. The types and numbersof licenses available to the selected Cell Manager are displayed.3. Click the Local option to change licensing from remote to local. Backup of the MoM server CMMDBThe MoM server CMMDB is under the same path as the Cell Manager’s MMDB.
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Use the internaldatabase backup option to backup the CMMDB (DA and MA module required).MoM user creation and Cell Manager populationUsers are not automatically populated from the MoM child server to the other child cell servers.You should first add users to the MoM and then manually populate the other cells by using theMoM GUI as seen in the following example. SecurityWhen you secure a client, the client names of the systems allowed to access a client, are writtento the allowhosts file. You can also explicitly deny access to a client from certain computers byadding their names to the denyhosts file.When using a CMMDB, device access for the client Cell Managers can be controlled from theMoM server by using the allowhosts and denyhosts files.
When you secure an entire cell, all clients residing in the cell at the time are secured. When youadd new clients to the cell, you should also secure them.ReportingMoM offers enterprise reporting for shared media devices.ExamplesC: Program Files OmniBack binomnirpt -report mediastatisticsMedia StatisticsCell Manager: muggy.xst.rose.hp.comCreation Date: 1/19/2010 2:10:45 PM# Media: 551# Scratch: 454# Protected: 97# Good: 551# Fair: 0# Poor: 0Total GB: 52054.34Used GB: 2828.
Troubleshooting hints & tipsVerifying the MoM configurationWhen merging to a CMMDB, make sure the clients show the MMDB is used on the MoM server.Status Up and RunningFigure 26: Configuring CMMDBNote: The status (Up and running) is shown correctly only after reconnecting to the CellManager. There is no status polling for status. On the General tab, the client will not be defined.Figure 27: Device configuration wizardWhen sharing a multi-path device in a MoM environment, the backup media server that lastaccessed the tape devices will be shown as the current client in Data Protector.
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Server Muggy ran the last backupServer Haptic ran the last backupFigure 28: Device Configuration WizardsShared tape drive locknameUnder the tape drive advanced properties, make sure the lockname for the library is the same forall Cell Managers sharing access. Note: No lockname is required for multipath configurations. Using the Cell Manager’s dedicated poolsMove the media from the default pool into the Cell Manager’s dedicated pool.Figure 30: Media configurationNote: The name of the Cell Manager shown in Figure 30: is the name of the Cell Manager thatformatted the media. In the backup specification, change the pool from the default pool to the Cell Manager’sdedicated pool:Figure 31: Media configuration33 P a g e. The backup session will now be using the media in the new pool.Figure 32: Media configurationNote: Once media is written by a specific Cell Manager, only that Cell Manager will have accessto append backup data. Other Cell Managers will not be able to write to this media.
Sharing a free poolFor each of the media pools on the Cell Managers, configure a loose allocation policy to ashared the free pool between all Cell Managers. Figure 36: Media configuration36 P a g e. Installing the Media Agent on the MoM serverThe Disk Agent and Media Agent must be installed on the MoM server if you need to perform alocal backup.If the MoM server does not have a Media Agent installed, you cannot change such things as poolsettings using the Data Protector GUI. Starting the Data Protector servicesCell Manager in a non-cluster environment:Run the following command: omnisv -startCell Manager on MC/ServiceGuard:Restart the Data Protector package using the cmrunpkg -n nodename pkgname command.Cell Manager on Microsoft Cluster Server:Bring the OBVSVELOCIS and OBVSMCRS cluster groups online using the Cluster Administratorutility.
Object CopyObject Copy sessions are configured (scheduled/interactive) and initiated from the individual CellManagers. Session details can be found in the local Cell Manager IDB, not in the sessioninformation for the MoM IDB. AcronymsCM: Data Protector Cell ManagerCMMDB: Central Media Management DatabaseMMDB: Media Management DatabaseIDB: Internal DatabaseReferencesData Protector concepts guideData Protector installation and licensing guideData Protector MoM firewall white paper© Copyright 2010 Hewlett-Packard Development Company, L.P. The informationcontained herein is subject to change without notice.
How to troubleshoot To solve problems quickly and efficiently: 1.Make yourself familiar with the general troubleshooting information. 2.Check if your problem is described in the HPE Data Protector Help file or the troubleshooting sections of applicable guides: To troubleshoot installation and upgrade, see the HPE Data Protector Installation Guide. To troubleshoot application integration sessions, see the HPE Data Protector Integration Guide. To troubleshoot zero downtime backup and instant recovery, see the HPE Data Protector Zero Downtime Backup Administrator's Guide and HPE Data Protector Zero Downtime Backup Integration Guide. To troubleshoot disaster recovery, see the HPE Data Protector Disaster Recovery Guide. Hpe Data Protector troubleshooting guide. 1.
HPE Data Protector Software Version: 9.07 Troubleshooting Guide Document Release Date: June 2016 Software Release Date: June 2016. Legal Notices Warranty The only warranties for Hewlett Packard Enterprise Development LP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HPE shall not be liable for technical or editorial errors or omissions contained herein. The information contained herein is subject to change without notice. Restricted Rights Legend Confidential computer software. Valid license from HPE required for possession, use or copying.
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