Article ID: 2261358 - View products that this article applies to.
When you extend a volume by using FSExtend, the volume may show as "raw" in disk management. However, when you run chkdsk, the file system is shown as NTFS.
Additionally, you see the following error message in the System log:
Log Name: System
Event ID: 55
The file system structure on the disk is corrupt and unusable. Please run the chkdsk utility on the volume <driveletter>:
The issue occurs because of one of the following reasons:
To resolve this issue, use one of the following methods.
Method 1If there is too little disk space to mount the volume, shrink the NTFS transaction log to 4 MB. Then, the disk will have enough space to mount the volume.
To do this, follow these steps.
Method 2Run the following command on the disk to fix any errors on the disk:
chkdsk /f <drive>
After chkdsk is completed successfully, restart the server. Then, run FSExtend on the drive to extend the file system. To do this, run the following command:
This should extend the file system on the drive, and the disk should be accessible.
Article ID: 2261358 - Last Review: August 30, 2010 - Revision: 2.0