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Lost Cluster Chains

 
 
Murdoc
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Posts: n/a
 
      25th Mar 2004
Hey all,

I have a 4G hard drive that, one morning, decided that it was empty. It
was discovered by attempting to boot from it, and getting an "Invalid
System Disk" error (and yes, I did check there was no flopp in the
drive). Anyways, booted to a command prompt, and used 'chkdsk', and it
told me that there was about 1.2G of data used (total - free).

I ran Norton Disk Doctor on it, and it fixed the problem (kinda).
Windows still says it has 1.2G used on the drive, however when
selecting all the directories on the drive and going to properties, it
only says 233 Mb.

( After my signature is an exerpt from the report that NDD generated).

Is there a way to recover this 'lost' or 'unreferenced' data?

Thanks,

--
Murdoc
; =================================
"Insanity in individuals is something rare - but in groups, parties,
nations and epochs, it is the rule."
-- Friedrich Nietzsche

"All Congresses and Parliaments have a kindly feeling for idiots, and a
compassion for them, on account of personal experience and heredity."
-- Mark Twain

"A single death is a tragedy, a million deaths is a statistic."
-- Joseph Stalin

; =================================
Norton Disk Doctor
Friday, 26 March 2004 6:30 AM

*************************
* Report for Drive D: *
*************************

DISK TOTALS
-------------

4010881024 bytes Total Disk Space
241819648 bytes in 3310 User Files
544768 bytes in 164 Directories
3383296 bytes in 34 Hidden Files
3346 file fragments (0% fragmentation)
2720440320 bytes Available on the Disk

LOGICAL DISK INFORMATION
--------------------------

Media Descriptor: F8
Large Partition: Yes
FAT Type: 32-bit
Total Sectors: 7849107
Total Clusters: 979219
Bytes Per Sector: 512
Sectors Per Cluster: 8
Bytes Per Cluster: 4096
Number of FATs: 2
First Sector of FAT: 32
Number of Sectors Per FAT: 7658
First Cluster of Root Dir: 2
Number of Clusters in Root Dir: 1
First Sector of Data Area: 15348


PHYSICAL DISK INFORMATION
---------------------------

Drive Number: 81
Heads: 32
Cylinders: 480
Sectors Per Track: 63
Starting Head: 1
Starting Cylinder: 0
Starting Sector: 1
Ending Head: 13
Ending Cylinder: 3893
Ending Sector: 63


SYSTEM AREA STATUS
--------------------

No errors in the system area


FILE STRUCTURE STATUS
-----------------------


Lost Chains
-------------

< NUMEROUS LOST CLUSTER CHAIN ENTRIES>
 
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