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RAID vs external drive with backup software


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#1 333nnn

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Posted 18 May 2009 - 05:26 PM

What are the advantages of using an external hd with software like Norton Ghost as data backup over RAID? I believe RAID only protects against hd failures and not viruses, power surges, or whatever else. Does backup software copy everything onto an external hd so if the internal drive fails for whatever reason the external drive can take its place and all the data, o/s, and programs be transferred over to a new hd? If backup software used with an external drive is very reliable, would copying files onto a thumbstick as further backup be necessary? Thanks for any replies.

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#2 Sneakycyber

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Posted 19 May 2009 - 05:38 PM

Depends on your situation. If your buisness depends on your computer then a raid situation would be better since there would be minimal down time. If your are looking for data redundancy for piece of mind then an external or online solution would be just fine. As for what is backed up it depends on the software and the user selected settings. Some will make an exact image of your HDD at timed intervals. Some will make and initial image of your HDD and constantly update it when something changes. Saving important data such as pictures and word files on a removable drive is always a good Idea. Its also a good Idea to keep a copy on the computer and one on the Back up drive so they never get lost. There is a slim chance 2 out of the 3 could be damaged. But near impossible for all 3 at once to become damaged at the same time.

Chad Mockensturm 

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Certified CompTia Network +, A +





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