Hot Swapping RAID 1 Drive for off-site backup

Custom / NA
August 23, 2010 at 00:57:46
Specs: Windows 7, 3.5GB Ram
This is a completely hypothetical question, base off of discussion I have come across researching RAID controllers.

A user has 3 identical hard drives available. He only needs the storage capacity of one. His primary goal is to protect his data in the event of a hard drive failure. His secondary goal is to protect his data from a disaster that destroys the entire computer. His third goal is to minimize down time/reduced productivity. He has two options he is weighing:

1) Install two drives and configure in a RAID 1 array. Use the third drive in an external enclosure. Backup to this external drive on a schedule and then store it off-site.

2) Install two drives and configure in a RAID 1 array. On a schedule, remove one drive from the array, store it off-site, and join the third drive to the array.

Both options should provide protection from a failed drive. Both options should also protect against a disaster that destroys the computer (and the two drives in it).

Given the user's three goals and their priorities, which way is better?

-Ryan Adams

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#1
August 23, 2010 at 17:21:42
I think I'd choose the first choice. I have seen the caddy's fail for hard drives more than I have seen failure with external enclosures.

Why did it take me over a year to phone in a problem to ATT?


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