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formatting hard drives in a raid 1 array

S

snailophone

Member
would one have to start with completely empty, freshly formatted hard drives to build a mirrored disk array? or could you keep all of the data on the drive you have, buy an identical drive and start from there without having to format both drives? thanks.
 
You can't take an existing drive with data on it, slap in more drive(s), and create a RAID 1 array without losing the original data. First you'll assign drives to the array then you'll format the array. All existing data will be gone. If you're doing RAID 1 and you want to keep the data you're going to have archive that data on your current drive if you plan to use it in the array.

How much data are you talking about? Maybe you could borrow a friends drive or network, dump your data, create your array, and transfer your files back.
 
You can mirror your existing Drive to a new Drive of at least the same size as your present Drive.

When the array is created you "duplicate" the existing Drive to the new one. The only data lost is any that might be on the new mirror Drive.

If you're mirroring your System Drive, put the Mirror Drive as Master on the 2nd Channel.

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