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What should my disaster recovery plan address?
What are the most important things to consider when formulating my disaster recovery plan? What should be my biggest priorities if my backup fails?
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1 Answer
Hi Chris.
You need a separate plan for each disaster you want protection from. You may have regulatory requirements dictating what types of failures you need protection from. Otherwise perform due diligence and implement protections appropriate for your business. A VAR dealing in data protection can help you decide what protection is appropriate.
As an example, many customers use their backup software to make duplicate copy's of their backups with one copy retained onsite for rapid recovery & a second copy on tape stored at an offsite location. In theory, the above technique offers protection from just about any failure scenario - if my data center burned-down I could get a new data center, new computers and recover from my offsite tapes. Or if my onsite backup fails, I get the offsite copy. These days you can put close to 1 Tbyte on a tape cartridge so cost of these duplicate backups is minimal.
Problem is you would be down for weeks.
Protection from a destroyed data center requires a remote DR data center; data from your primary storage gets replicated (copied) to the remote data center. You can "rent" DR infrastructure from a company named Sunguard - I am sure there are others as well.
Regards, Eric
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