quick mirror raid question

Someone in tech department installed a computer, supposedly with mirror raid, operating windows xp.  The computer has been running for half a year when I found out that the second hard drive was just sitting there ideling.  Whats the best way to save everything on the computer and make the two hard drives mirror raid?
generalyaAsked:
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RimscorpConnect With a Mentor Commented:
1 . Ghost the drive for backup purposes

2 . install 2 drives Identical performance

3. Most raid controllers have the option to "rebuild the array"
this will copy the contents onto the blank drive and give you a successful miror
if it configured proporly.



                      -James
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Steve McCarthy, MCSE, MCSA, MCP x8, Network+, i-Net+, A+, CIWA, CCNA, FDLE FCIC, HIPAA Security OfficerIT Consultant, Network Engineer, Windows Network Administrator, VMware AdministratorCommented:
In the RAID controller you should have the option to choose the first drive as the source and then mirror it to the second drive.
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purplepomegraniteCommented:
Are you talking software RAID (dynamic disks in Windows XP) or hardware RAID?

Software RAID had the advantage that it works without requiring special hardware.  Windows XP Professional supports software mirror RAID, and with some persuasion (three files need to be modified) can support up to RAID 5 (normally reserved for the servers OSs).

If you already have a system with a redundant drive, the best approach would be software RAID.  This is done from Disk Administrator (under Administrative Tools... Computer Management).  You will need to convert both drives to dynamic disks (if they aren't already).  
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generalyaAuthor Commented:
So ghosting is just for backup purposes?

The two drives are idential WD 200gb drives

Rebuilding the array will not erase what's on the operating drive correct?

Thanks
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RimscorpCommented:
yup ..just grab he ghost for a backup in case the system goes crazy

make sure you set up the disk with the data on it as the source drive when setting up the array

and your gold, if the hard drives arent the same model, size, cache and manufacturer ,,


CRAZY stuff happens


and no ..rebuiding the array does not delete the source drive.   Just dont choose to format both drives


                                            -James
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purplepomegraniteCommented:
Have you a hardware RAID controller or are you trying to set it up in Windows?
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generalyaAuthor Commented:
hardware raid controller

I will try it tomorrow morning, thanks
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