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TheSolution:PowerVaultDLBackup‐to‐DiskAppliancewithSymantec™BackupExecContinuous
ProtectionServer
ThePowerVaultDLBackup‐to‐DiskApplianceincludesBackupExecContinuousP r otection Server(CPS),a
complementtoBackupExecforWindowsServersspecificallydesignedfordisk.BackupExecCPSrevolutionizes
backupsbyeliminati ngbackupwindows,improvingbackupreliability,andfeaturingtheindustry’sfirstWeb‐based
end‐userfileretrieval.It
integrateswithBackupExecforWindowsServerstodeliveracompletedisk‐to‐disk‐to‐tape
solution.Thissolutionimprovesdataprotectionandreducestheadministrativecomplexityassociatedwith
traditionaldataprotectionpractices.Continuousdataprotectioneliminatestheneedforfull,incremental,or
differentialbackupsbyprotectingdataimmediate ly andthen
continuouslybackingituptodisk.Italsodecreases
thecomplexityofcurrentmethodologiesaswellashelpingreducethecostofthemediaused.
BecauseWindowsfileserverdataiscontinuouslyprotectedondisk,itcanberecoveredquicklyandenduserscan
restoretheirownfileswithoutcontacting
ITwhichimprovesservicelevelswithoutincreasedITheadcountor
administrativecost.
UnderstandingTraditionalandContinuousDataProtection
Asyouconsiderasuitabledataprotectionstrategyforyourorganization,itisimportanttounderstandthe
differencesbetweentraditionaltape‐based,traditionaldisk‐based,andcontinuousdisk‐baseddataprotection
offerings.
TraditionalTapeBackups
KeyBenefits
Traditionally,tapebackupshaveproventobeaneffectiveandinexpensivemeansfordataprotectionandrecovery.
Thekeybenefitsoftraditionaltapebackupsinclude:
• Inexpensivemediumtostoredata
• Portableformatthatcaneasilybemovedoffsite
• Familiartoadministrators,who knowandunderstand
tapebackups
KeyDrawbacks
Asusefulastapebackupsare,therearethreekeychallengeswithtape.Firstisreliability.InaByteandSwitch
survey
(1)
,aboutonequarter(25.6percent)ofsurveyrespondentssaidtheirbackupsfailatleasttwiceaweek
becauseofthefailureofthetapecartrid ges (52.9percent)andthetapedrives(45percent).Thesecondchallengeis
complexity.Tapelackstheflexibilityandsimplicitythatmanyorganizationsneedtodayin
adataprotection
solution.Lastisspeed.Asdatavolumesincrease,tapebackupsaretakinglonger.Afewnotabledrawbackstotape
backupsinclude:
• Highimpactonproductionserver(backupsmustoccurduringoff‐peakhours)
• Onlyalimitednumberofserversbackedupatonetime
(1) http://storagemagazine.techtarget.com/magPrintFriendly/0,293813,sid35_gci1052905,00.html