Perhaps the most difficult aspect of DPM is trending and analysis. Wouldn’t it be wonderful if one could identify problems before they arose? For example, the system could generate an alert notifying the company that nightly backups will begin to exceed their backup window within 3 weeks if current trends continue. Or the system could send an alert to the operations staff at 2AM to let them know that the disk staging area will run out of space by 7AM unless the data currently occupying the staging area is offloaded to tape. This type of predictive analysis is one of the greatest promises of DPM.
In summary, DPM is essential for any company that is serious about its data protection strategy. As data volumes continue to explode and regulatory compliance/legal issues raise the penalties for failure, new data protection strategies will emerge, and a commercial DPM strategy will become a priority for every company with critical data.
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