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Hard Drive Geometry Errors


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#1 twjolson

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Posted 11 January 2006 - 04:23 PM

I brought my hard drive home from Canada. WHen I plugged it into the computer, the pc saw it (it was in the list of attached hard drives) but none of the partitions or data was available through windows. I do believe the hardware is set up right, jumper and everything.

When I used Partition Info to see the partion information, here is the info I got.

Partition Information for Disk 2: 131,069.4 Megabytes
Volume PartType Status Size MB PartSect # StartSect TotalSects
===========================================================================================================
Unallocated Pri 7.8 None -- 63 16,002
ExtendedX Pri 238,464.8 0 0 16,065 488,376,000
EPBR Log 183,468.9 None -- 16,065 375,744,285
NTFS Log 183,468.9 16,065 0 16,128 375,744,222
EPBR Log 30,004.2 16,065 1 375,760,350 61,448,625
Warning: EPBR partition starting at 375760350 is without logical partition.
Unallocated Log 54,996.0 None -- 375,760,350 112,631,715

It might be skewed because of the shorter width then the output of the report.

I also got:

Disk Geometry Information for Disk 2: 16709 Cylinders, 255 Heads, 63 Sectors/Track
Info: Disk Manager is installed on this drive.
System PartSect # Boot BCyl Head Sect FS ECyl Head Sect StartSect NumSects
===========================================================================================================
0 0 00 1 0 1 0F 1023 254 63 16,065 488,376,000
Info: Begin C,H,S values were large drive placeholders.
Info: End C,H,S values were large drive placeholders.
Actual values are:
0 0 00 1 0 1 0F 30400 254 63 16065 488376000
Error #109: Partition ends after end of disk.
ucEndCylinder (30400) must be less than 16709.
16,065 0 00 1 1 1 07 1023 254 63 16,128 375,744,222
Info: End C,H,S values were large drive placeholders.
Actual values are:
16065 0 00 1 1 1 07 23389 254 63 16128 375744222
Error #109: Partition ends after end of disk.
ucEndCylinder (23389) must be less than 16709.
16,065 1 00 1023 0 1 05 1023 254 63 375,760,350 61,448,625
Info: Begin C,H,S values were large drive placeholders.
Info: End C,H,S values were large drive placeholders.
Actual values are:
16065 1 00 23390 0 1 05 27214 254 63 375760350 61448625
Error #107: Partition begins after end of disk.
ucBeginCylinder (23390) must be less than 16709.
Warning #109: Partition ends after end of disk.
ucEndCylinder (27214) must be less than 16709.

The hard drive is a 250gb Western Digital, hooked up to a PCI card on it's own ribbon. It's not a bootable disk, the OS is on another hard drive that is connected by itself to the motherboard. Anyone know what's wrong, and how to fix it without having to format.

It doesn't appear under "Disk Management" But it does appear under "Device Manager" When I go to the Partition Info and click Populate, it won't find anything; it says it's "Unreadable"

I think Partition Magic could fix this, but once I connect the hard drive, it errors out when I start the program up. So does anyone know any other good programs that can help? Preferably something I can get free.

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#2 twjolson

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Posted 11 January 2006 - 07:35 PM

I got the hard drive to show at least part of the data, only one partition. When I opened up Partition Magic I got this error message.

Disk 2 (131071mb 284058c 15h 63s) appears to have partitions created using a ddifferent drive geometry (255h 63s). This serious problem can lead to data loss. No partition manipulations should be made to this disk using this product or the operating systems products. You should back up the data on this disk, delete all partitions, create new partitions under the new drive geometery, and then restore your data using the backup.

Please, can anyone help me recover the data without formating?

#3 Rimmer

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Posted 11 January 2006 - 08:40 PM

Disk Manager is installed on this drive.


The original PC the disk was on could not support a hard drive that large and you have used a Disk Manager to "fool" the BIOS so it can all be accessed, that's why the geometry is wrong. I don't know what you can do in these circumstances. My first thought is get the drive back into the original PC and backup the data, that way it doesn't matter when you reformat it (and you will have to to use it in the new PC imo).

1. Don't make any changes to the drive with Partition Magic or Drive Manager.
2. Try to get backups in original PC.
3. Contact the drive manufacturer/check website for non-desructive removal of Disk Manager.

Get back to us with some info about the drive/model.
hth :thumbsup:

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#4 twjolson

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Posted 12 January 2006 - 08:58 AM

Disk Manager is installed on this drive.


The original PC the disk was on could not support a hard drive that large and you have used a Disk Manager to "fool" the BIOS so it can all be accessed, that's why the geometry is wrong.


Now we might be getting somewhere. The original pc was the one it is in now, connecting the hard drive to a PCI adapter card to get access to all 250gb. Then, when I moved up to canada, for some reason I couldn't make the adapter card work, so I downloaded Intel's Application Accelerator (I believe it's called) to access all 250gb. Now I am back in MN and it's in the first pc, but I couldn't get it to work with the adapter card, leading to the information I already posted.

It's a WD 250gb, plain IDE.

Putting the hard drive in the second pc; the one it was reformated and partitioned on is out of the question. And this PC, is an athlon, so Intel's program won't work. Any other suggestions?

#5 Rimmer

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Posted 12 January 2006 - 07:19 PM

Model number of the WD drive? What PCI adaptor card? Do you know what Disk Manager was used? Is the drive connected to an IDE channel on the motherboard now?

See Leurgy's compendium of Hard Drive diagnostics:
http://www.bleepingcomputer.com/forums/t/28744/hard-drive-installation-and-diagnostic-tools/ and download the diagnostic for Western Digital. Install that and get it to check the drive - there may be an option to remove the Disk Manager.

There is a similar problem reported here http://www.experts-exchange.com/Storage/Q_21105290.html so it looks like it can be done but needs a few steps.

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