Systems, Methods, and Computer-Usable Medium For Defragmenting a Windows NT File System Volume

A system for defragmenting a Windows NT file system, comprising:

• means for selecting a file record which is stored in a master file table associated with the Windows NT file system volume, wherein at least one non-resident attribute is associated with the file record, and data associated with at least one non-resident attribute is stored outside the file record in at least one data extent;
• means for querying the at least one data extent without opening the at least one non-resident attribute;
• and
• means for determining whether to defragment the at least one non-resident attribute based at least on information obtained from querying the at least one data extent.

A method of defragmenting a Windows NT file system volume, comprising the steps of:

• selecting a file record which is stored in a master file table associated with the Windows NT file system volume, wherein at least one non-resident attribute is associated with the file record, and data associated with at least one non-resident attribute is stored outside the file record in at least one data extent;
• querying the at least one data extent without opening the at least one non-resident attribute;
• and
• determining whether to defragment the at least one non-resident attribute based at least on information obtained from querying the at least one data extent.