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August 30, 2008 04:35am pdt
 
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Can I reformat one of the hard drives that make up my Raid?

Experts, I need help urgently.

I have a Windows 2003 Standard Edition Server with a RAID made up of four internal ATA Hard Drives.

Yesterday, there was a power outage and when opening certain folders, we get a message saying "The file or directory is corrupted and unreadable."

I opened up Window's Disk Management and there is a yellow exclamation sign on Disk3. However, Disk0, Disk1 and Disk2 do not have this exclamation sign.

Additionally,  on the top window of Disk Management, the status of the drive says "At Risk".

I have clicked on "Reactivate Disk" but this yellow exclamation sign keeps appearing along with  ("At Risk") under the drive's status.

1) How do I recover the corrupted or unreadable files?
2) How do I figure out what type of raid it is: 0, 1, 5?
3) Do I need to buy the same hard drive size 120Gb or will it work with other sizes?
4) If I have to buy the same hard drive size, because they don't make them anymore, I was planning on taking out Disk3, reformat it with another system, then put it back.  Will this work?

Help!!!

I will give points to the person who can answer my 4 questions
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Disk Management Screen Shot
Disk Management Screen Shot
 
 
Error Screen Shot
Error Screen Shot
 
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Question Stats
Zone: Storage
Question Asked By: frankmorrison
Solution Provided By: txhockey26
Participating Experts: 4
Solution Grade: A
Views: 0
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