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need to recover data from Failed RAID 1 (Controller make both the HDD offline) now import failed.

Posted on 2014-09-01
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Last Modified: 2014-09-07
I have a RAID controller ServeRAID M5110 on server System x3300 M4
Having three RAID 1 Virtual Drives = total 6 HDD

300GB VD is having Hyperv Windows 2012 r2
900GB VD was having Domain Controller Windows 2012 R2 (this RAID gone down)
900GB VD is having Exchange (without DC its useless now)
 
Both the HDD of RAID 1 gone failed at single point of time. (though I guess physically they are ok)

After rebooting the server; both the HDD started showing as Foreign disk.

The controller is showing preview as expected while importing but failed to import.

One of the HDD our of th RAID I plug it to another server, that changes its status from foreign disk to unconfigured good.

Now I have left one HDD as foreign disk.


Please find the attached screenshot of MegaRAid storage manager.


As we don't have any backup of DC, recovering the RAID is very important.



IBM is sending another controller card, two new HDD & Battery backup bank for the replacement.

Please advise how to get the vxd file from the failed RAID or how to import it.

RAIS status as of now
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Question by:Akash Bansal
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Assisted Solution

by:noxcho
noxcho earned 2000 total points
ID: 40296586
Scan the drive with GetDataBack: www.runtime.org 
Does it see these the data?
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Author Comment

by:Akash Bansal
ID: 40296610
I already did, but getdataback couldn't find these drives to scan.
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Expert Comment

by:noxcho
ID: 40296794
Ok, looks pretty tough then.
Does this tool see them?
https://www.runtime.org/raid.htm
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Visualize your virtual and backup environments

Create well-organized and polished visualizations of your virtual and backup environments when planning VMware vSphere, Microsoft Hyper-V or Veeam deployments. It helps you to gain better visibility and valuable business insights.

 
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Author Comment

by:Akash Bansal
ID: 40296805
This tool is meant for RAID 0 and RAID 5
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Expert Comment

by:noxcho
ID: 40296968
Oops, my bad. Mixed your description with RAID0.
Ok, keep one drive intact and play a bit with second one. I assume the drives are SATA. If yes then connect it to any desktop as standard disk. Then in Windows Disk Management it can ask you to initialize it. Say yes and do it as MBR Basic.
After that you need to run either Undelete Wizard from: http://www.easeus.com/partition-recovery/
Or this one:  http://www.active-undelete.com/howto_restore_part.htm
Ones it finds a partition check if it is the correct partition and has correct used space indicator. Then perform undelete.
I personally used Recover Lost Partition feature from Hard Disk Manager 14 by Paragon. But these two should do the work as well.
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Author Comment

by:Akash Bansal
ID: 40296976
This is SAS, One out of these two I had put on another server after which it lost its foreign disk status on original server.
The thing is... it is showing unconfigured good... what I need to do to allot one drive letter so that I can scan using some data recovery tool.
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Expert Comment

by:noxcho
ID: 40297127
But how does the Windows Disk Management sees it? Unallocated or a partition without drive letter?
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Author Comment

by:Akash Bansal
ID: 40297132
Disk management shows no trace of these deives.
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Expert Comment

by:noxcho
ID: 40297286
Ok, ,akes sende that GetDataBack could not see them. What options do you have for these drives in StorageManager?
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Author Comment

by:Akash Bansal
ID: 40297633
Disk in Slot 2 Options:
Start locating
Stop locating
Prepare for removal
Drive Erase
foreign disk context menu

Disk in Slot 3 options:
Assign Global Hot Spare
Assign Dedicated Hot Spare
Start locating
Stop locating
Prepare for removal
Drive Erase
unconfigured good context menu
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Author Comment

by:Akash Bansal
ID: 40297642
I have got the following response from getdataback support team:


Dear Akash,

Take one of those drives and attach it to a different, non-RAID controller.

Then run GetDataBack.


Sincerely,
Uwe Anderson
Runtime Software
http://www.runtime.org
On September 1, 2014 1:33:07 AM HST, Akash <akash@.......com> wrote:
Hi!
 
I guess Runtime can recover data from RAID as well.
I have downloaded the latest version of Getdataback for NTFS but its unable to find the RAID disk.
 
One of the RAID disk is showing as unconfigured good & another is showing as foreign disk. The controller is unable to import the foreign disk. I guess both the HDD are physically ok.
 
The drive which is showing unconfigured good was also showing as foreign disk before we attach it to another server.
 
Please let me know the procedure to recover the data using your software.
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Expert Comment

by:noxcho
ID: 40297831
Yes, they suggest the same as I did. But can you do it with a SAS disk?
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Author Comment

by:Akash Bansal
ID: 40297855
Need no raid sas controller that i dont have
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Accepted Solution

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Akash Bansal earned 0 total points
ID: 40298120
Issue resolved, after replacing the RAID controller card & the battery bank, we were able to import all the VD (RAID)s

What a great relief. :)
Thanks God!

Thanks Expert Exchange & Thank you noxcho. :)
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Expert Comment

by:noxcho
ID: 40298192
Congratulations!
Take care
Noxcho
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Author Comment

by:Akash Bansal
ID: 40298199
Thank you buddy! :)
you were a great support for me.
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Author Closing Comment

by:Akash Bansal
ID: 40308379
Either the RAID controller or the BBU was faulty.
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