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Windows Server 2008 NTFS file problems

Posted on 2009-05-12
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I have windows  2008 file server (standard edition 64 bit)
after chkdsk some of the files are lost. also I can see  Error in the event log as
"The file system structure on the disk is corrupt and unusable. Please run the chkdsk utility on the volume Data." Event ID 55
How do I recover the lost files. there is plenty of space 3 TB balance on the  5 TB drive
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Question by:AVT007
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baldwinr99 earned 500 total points
ID: 24365126
First off, Backup everything you need off this drive immediately.  

You need to fix the file structure to resolve your file corruption problem.  When you have a backup, run chkdsk x: /f to fix the problem.  Once complete rerun chkdsk x: to see if the problem persists.

The corrupted files can mean nothing or everything. It depends on what is corrupted.  In my experience, having corrupted files did not affect critical data, but every situation is unique.  Which emphasis's to make sure you have a backup before you do anything

Here is a free tool in case the corruption affected important data and to possibly recover it.  NOTE if you have a backup then this point is null

http://undelete-plus.com

If problems persists you have to question the drive itself.  I would suggest using the following utilities to look for bad sectors etc.

http://pcsupport.about.com/od/toolsofthetrade/tp/tophddiag.htm

Take an image of the drive, replace the drive and restore your image to the new drive.

Free image software here:

http://www.runtime.org/driveimage-xml.htm

Depending on your drive structure (SAS, RAID) this utility may not recognize your drive array. In this case you can explore other tools such as Acronis Drive image that may support your setup.

Good Luck
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by:baldwinr99
ID: 24365320
Additional note:

You may have to perform a system repair if the corruption has affected system files (event log keeps complaining) Do the following in this case:

The repair option to boot to the cd is no longer an option due to the changes in setup for Windows Server 2008.  Since it uses a image based deployment option, the file by file copy method is no longer available.
You can boot to the Windows Server 2008 cd and choose the repair in the lower left hand corner of the screen.  this should open a CMD prompt.
From here you can run sfc and use the offline options,
/OFFBOOTDIR     For offline repair specify the location of the offline boot directory
/OFFWINDIR      For offline repair specify the location of the offline windows directory
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