Friday, July 17, 2009

Windows File Loss Due to Volume Block Manipulation During Boot Process

Disk Defragmentation is an important process to reduce fragmentation in the file system. Defragmentation physically organizes the contents of hard drive to store pieces of every file close collectively and contiguously. But in some situations, manipulating the hard drive volume blocks in Microsoft Windows Vista and Microsoft Windows 2003 Server might result into volume corruption and cause serious file loss if it is performed during boot time. The disk volume at this point might become un-mountable and the stored files might not be accessed. In order to overcome such issues, you are suggested to opt for windows recovery solutions using third party tools.

The utilities that manipulate the disk volume blocks early in boot process, either with the help of FSCTL_MOVE_FILE control code or directly, might lead to file loss or partition corruption in Microsoft Windows Vista and Microsoft Windows 2003 Server. In such circumstances, you might not be able to boot up your Windows computer.

  • The disk defragmentation utilities that work early in the boot process, before the Autochk.exe program finishes is operation, are the example of the type of tools, which could cause such issues.
  • The FSCTL_MOVE_FILE control code shifts some virtual clusters of file from one cluster to another in same volume. This is used while the fragmentation is carried out.

This behavior of Windows results into file loss and need File Recovery to be sorted out.

Grounds of the issue

Windows Vista and Windows 2003 Server use file in the "Volume name\System Volume Information" folder to store data and information that is related to snapshots that are created by the Volume Shadow Copy service. Such systems contain name, which have following GUID:

{3808876B-C176-4e48-B7AE-04046E6CC752}

When any tool alters the location of blocks that are used by the system files early in boot process, the above situation might take place. You may also encounter this issue when a utility overwrites the blocks that are used by such files.

In order to retrieve your lost files in such situations, you are required to go for windows data recovery software. These applications are particularly designed to methodically scan entire hard drive and retrieve as much files as possible from it. These tools can recover all types of files easily and safely.

Stellar Phoenix Windows Data Recovery is the most advanced and robust tool to recover files from FAT32, VFAT, NTFS and NTFS5 file system partitions. This windows data recovery software is designed for Microsoft Windows 7 RC1, Vista, 2003, XP and 2000. It also recovers deleted items of PST and DBX files.

Author is doing research on windows recovery related problems and discussed on the Cause of Partition Loss. Author suggested to use windows data recovery software in case of partition loss or file corruption.

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