Recover broken mirror raid 1 dell 600sc

I have a server that had a disk fail on a hardware raid 1 ide drive array.  This server is a dell poweredge 600sc.  Unfortunately I chose the option to Clear Configuration and totally screwed it up.  I know that there must be a way to recover the data.  I plugged another drive into an open channel on the controller card (ata100) and installed server 2003.  I installed ontrack easyrecovery datarecovery and have tried to recover the data twice but it errors out.  The os sees the partition but obviously it is in a corrupt status.  If anyone has come across something similar to this I would be very appreciative of your advice.
schwientekdIT DirectorAsked:
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

SteveCommented:
There are probably ways to do this with a bit more finess but if you can have the machine down for a bit and don't have another raid channel you can use:
Copy the drive over to a seperate hard drive (one not used in the mirror) with a copying program like Acronis.
Format both drives from the mirror.
Rebuild the mirror and copy the spare drive back to the array.
0
DavidPresidentCommented:
Download a product from runtime.org called NTFS reconstructor.   It is free to try.  Let it crank on the disk that you "cleared" overnight.  It will find the beginning of the filesytem, correct filesystem damage, and then it will let you save the recovered volume to a disk drive (once they get your credit card).  

No telling how much damage the ontrack did, but the reconstructor won't muck with the original data.  You will need a scratch drive to save the data to once it reconstructs.  And if it does not reconstruct, rest assured your data is gone.  (sorry, not very PC)
0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
schwientekdIT DirectorAuthor Commented:
There are 4 channels available on the controller card and I was using channel 0 and 2 for the mirror.  I plugged a hard drive into channel 1 and installed win2k3.  Windows sees a partition for the failed raid1 array.  I have the machine available with available channels so I don't understand what you are suggesting.  I'm sorry if I wasn't clear.
0
Determine the Perfect Price for Your IT Services

Do you wonder if your IT business is truly profitable or if you should raise your prices? Learn how to calculate your overhead burden with our free interactive tool and use it to determine the right price for your IT services. Download your free eBook now!

SteveCommented:
Do you still have the other half of the mirror or did you lose the mirror completely?
0
DavidPresidentCommented:
So you had a disk in 0 & 2, they were mirrored.  Let's say #2 died, disk is dead, and out of the picture.
 So then you deleted the mirror.  This destroyed the partitioning on #0.   You then installed a disk in #1, as a JBOD, and then installed W2K3 on it?  

If this is correct, then #0 needs to have the partition recovered AND shifted over possibly due to the metadata at beginning of disk.  Let runtime.org chew on #0, and try to figure out everything.   If it is successful it will ask you where you want the data copied.

If something else happened, or this is not correct chain of events, please advise and correct.
0
schwientekdIT DirectorAuthor Commented:
dlethe,

Can I use an external usb drive?

sodea63,

I am pretty sure that the mirror is lost since one of the drives failed and I chose to clear the drive configuration.

Thanks.
0
DavidPresidentCommented:
Yes an external USB is just fine, and quite appropriate.   It will be slow, especially if the older USB-1, so it could very well run all night, perhaps much longer if you have a 1TB or larger.  But since you have an internal RAID controller, you don't have much of an option unless you have another controller handy and ability to mount /power the disk internally.
0
sukamtoCommented:
send for profesional hdd recovery service, its expansive but is an good option rather than troubleshoot yourself which might screw up totally and cant be recovered anymore
0
DavidPresidentCommented:
Also let the software run on the "failed" disk.  Lots of degrees of failure .. especially if disk is in a raid controller.  The controller could have failed the disk after it hit a few bad blocks in short order.  Or the disk may make funny noises and smoke comes out of it.  Just don't write off the disk drive.  If data is important and it is worth $500++ to you, then take care of the failed disk.  Companies such as ontrack, seagate, gillware and many others will be happy to take the money, and get your data back using guys in bunny suits.

If drive is making any noises at all that sound "unusual". then do not try to run software to recover it.  chances are it has a head crash, so you will do much more harm than good running software that has little chance of getting back anything but a fraction of what was there before.

Your "dead" drive is your parachute.  
0
DavidPresidentCommented:
Clarification .. do NOT run software on the failed drive, run it on the disk that didn't fail.  See comments about running recovery software on a failed drive.   Only run the software on failed drive if you have no indication  of media failure.   Something may also be in event log that describes nature of disk failure
0
SteveCommented:
Just to be sure,
Did you clear the container or just accept that the container had changed?
 If you only accept the change with the second half of the original mirror it should boot like it was before the crash but with no redundancy.
0
schwientekdIT DirectorAuthor Commented:
dlethe,

You are exactly correct of the configuration of how the disks were mirrored on 0 and 2 and 2 died.  I installed a new os on a different drive on 1.  Just to be clear I should just unplug the dead #2 and try out the runtime.org option?  I am not hearing any noises at all to believe that the drive/drives are bad I just thing I made a bad decision by dong the Clear Configuration in the controller bios.  I am not willing to send the drive into a facility to physically mess with it and recover it for $.  I have had very good luck with ontrack recovery software in the past but I will try your suggestion.  Let me know what you think.
0
SteveCommented:
If you can, copy it before you do anything. Just in case.
0
schwientekdIT DirectorAuthor Commented:
I don't think that is possible.  How would I do that?   Try to image it?  Windows recognizes the disk but shows it as 0 bytes.
0
DavidPresidentCommented:
Yes, always unpower a dead drive.  You risk further damage (depending on problem), when it is powered up.   If you do not have success recovering the filesystem via this software, then try the dead disk next.  But do the low-hanging fruit first :)


0
SteveCommented:
Try to image it. It can't hurt. That way if anything happens to the one you try to restore and if all goes horrible, you get a second shot.
0
DavidPresidentCommented:
In this case imaging is a bad idea.  First runtime's software will not write to the disk you are recovering.
More importantly, the reason you don't image on a recovery (when the disk is good), is that you lose the opportunity to find out if a disk block is bad/unreadable.  Recovery software needs to know such things.   Better to know that a recovered file is damaged..

When you image, your imaging software saves a block of zeros to the damaged sector.  Recovery software sees 0's, and thinks the data is good.

The process would be different for the "bad" drive, but the good drive recovery needs to read from original disk
0
schwientekdIT DirectorAuthor Commented:
I ran the software you suggested and recovered some data but not very much.  This was probably my best option though so thanks for the advice.
0
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Storage Hardware

From novice to tech pro — start learning today.