EMC Avamar 6.0 for Exchange Guide - EMC Community Network

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Capabilities and limitationsINTRODUCTIONREQUIREMENTHard Drive SpaceNetwork InterfaceMINIMUM100 MB permanent hard drive space (1 GB recommended)for software installation.Avamar Exchange Client software also requires anadditional 12 MB of permanent hard drive space for each64 MB of physical RAM. This space is used for local cachefiles.10baseT or higher, configured with latest drivers for yourplatform.Capabilities and limitationsThis topic discusses current capabilities and limitations of the Avamar ExchangeClient.Message level backup on Exchange Server 2007. Starting with ExchangeServer 2007, neither the Messaging API (MAPI) client libraries nor CDO 1.2.1 areprovided as a part of the base Exchange Server 2007 product installation. As aresult, you must manually download and install these components in order to usethe MAPI-based Exchange Message plug-in. These components are available as asingle download from Microsoft.com at the following location:http://www.microsoft.com/downloads/details.aspx?FamilyID=E17E7F31-079A-43A9-BFF2-0A110307611E&displaylang=enConsider impact of Exchange Server maintenance window. By default,Exchange servers typically perform various maintenance activities nightly between1:00 AM and 5:00 AM. Performing Avamar backups during this maintenancewindow can prevent these activities from occurring on the Exchange server.Therefore, it is best to avoid scheduling Exchange server backups during thenightly Exchange server maintenance window.Refer to the following Microsoft Knowledge Base article for additional informationabout nightly Exchange server maintenance windows:Microsoft Knowledge Base Article - KB271222, “XADM: UnderstandingPerformance and Scalability Characteristics of Exchange 2000 MDB OnlineMaintenance”NOTE: This limitation applies to the Exchange Databaseplug-in only.Validation not supported.backup validation.The Exchange Database plug-in does not supportNOTE: This capability applies to the Exchange Databaseplug-in only.EMC AVAMAR 6.0 FOR EXCHANGE GUIDE 13
Capabilities and limitationsINTRODUCTIONUnique user name required for each Exchange Server. If you are backingup more than one Exchange server within an Active Directory forest, you must usea different Windows user account for each Exchange server. This is because eachuser defined in Active Directory stores an Exchange mailbox as an attribute. It istherefore not possible for Avamar to use one user account to backup more thanone Exchange server.NOTE: This limitation applies to the Exchange Messageplug-in only.Recommend restoring an entire folder to an empty folder. Restoringindividual messages within an existing Exchange folder is possible but is notrecommended. Because duplicates messages could be created when restoring topopulated folders, the best practice is to:1. Create a temporary dedicated Exchange folder for restoring messages (forexample, “restored-messages”).2. Restore messages to that folder.3. Use Outlook search and sort features to locate the message or messagesyou want to add back into your Exchange mailbox.NOTE: This limitation applies to the Exchange Messageplug-in only.Initial message level data deduplication might be low. Initial messageleveldata deduplication might be very low across folders and mailboxes. This isparticularly true for small messages. The reason for these initial low levels of datadeduplication is that each message contains an embedded globally-uniqueidentifier and messages tend to be very small units (usually less than 20KB). Thismeans that each message is effectively unique to Avamar. Data deduplicationlevels following initialization will be higher because messages that have notchanged since the last backup will not be sent to the Avamar server.NOTE: This limitation applies to the Exchange Messageplug-in only.Browsing more than a few thousand messages might beslow. Attempting to browse a folder that contains more than a few thousandmessages might result in slow performance. Actual performance has beenobserved to be approximately 48 messages per second.NOTE: This limitation applies to the Exchange Messageplug-in only.Handling of “/” and “\” in Exchange object names. It is generally a badpractice to create Exchange objects with forward or backward slashes embeddedin the object name. However, the Avamar Exchange Client will attempt to handleEMC AVAMAR 6.0 FOR EXCHANGE GUIDE 14
Page 1 and 2: EMC ® AVAMAR ® 6.0FOR EXCHANGEGUI
Page 3 and 4: TABLE OF CONTENTSPreface . . . . .
Page 5 and 6: PREFACEScope and intended audienceS
Page 7 and 8: Safety admonitions and noticesPREFA
Page 9 and 10: INTRODUCTIONThe Avamar Exchange Cli
Page 11 and 12: Important terms and conceptsINTRODU
Page 13: System requirementsINTRODUCTIONSupp
Page 18 and 19: Capabilities and limitationsINTRODU
Page 20 and 21: INSTALLATIONThis chapter describes
Page 22 and 23: Quick reference installation road m
Page 24 and 25: 10. Click Finish to complete the in
Page 26 and 27: Configuring Exchange Server 2007 fo
Page 38 and 39: Configuring the Avamar Cluster Clie
Page 40 and 41: Configuring the Avamar Cluster Clie
Page 42 and 43: Uninstalling and upgrading Avamar E
Page 44 and 45: Uninstalling an older version of Cl
Page 46 and 47: BACKUPThis chapter describes how to
Page 48 and 49: Seeding the Avamar server for first
Page 50 and 51: Backing up an entire Exchange Datab
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Page 54 and 55: Backing up one or more message fold
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Backing up one or more message fold
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Recovering an entire Exchange datab
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Recovering an entire Exchange datab
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Restoring to a RSG with the Windows
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Restoring to a RSG with the Windows
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Restoring to a RSG on an alternate
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Restoring to a RSG on an alternate
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Recovering to a Storage Group on a
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APPENDIX A — PLUG-IN OPTIONSImpor
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Windows Exchange database plug-in o
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APPENDIX B — MANUALLY CREATING TH
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Manually creating the AvamarBackupU
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INDEXclustercreate AvamarBackupUser
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INDEXWwarningnot provided for hidde
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