
17-07-10
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| Member | | Join Date: Jan 2010 Location: Melbourne
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Re: Online Backup Limitations?
As you have already identified, hard drives do fail. External drives that are physically moved around fail even more often. But any hard drive that is subject to physical impact is a potential point of failure (ie. that laptop you take when visiting clients, or between home and office).
When looking at backup limitations, it's worth considering what risk you are exposed to through downtime caused by failed hard drives. IT is not my core business - I focus on assisting SMEs with improving business processes. Often this crosses into the area of data maintenance and backups. Given the market space I address, I've seen countless instances where backups have unknowingly failed, backup jobs that din't backup "complete" sets of data, and backup media that's been corrupted or physically damaged.
Whatever solution you adopt, it needs to regularly be tested. This has to be a core part of your risk management. And when looking at all the different solutions, consider what impact a failed desktop or laptop hard drive would have if that desktop or laptop is your main or only computer. How long would it take to get that, or any computer functional again? Hours? Days? Could you even reinstall all those applications? What about all those emails (often forgotten in backups)?
Instead of backing up your "My Documents" folder, consider one of the backup options for your whole hard drive that can then be restored in the event of a hardware failure. These systems are more comprehensive, provide greater peace of mind, and remain very affordable (particularly for SMEs). It should also get you back up and running in the same day (downtime could be as little as an hour).
In the current "technological age", and given the current price of hard drives, backup systems that focus on "disaster recovery" should at least be considered as an option.
Stephen
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