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Data recovery and disk repair questions and discussions related to old-fashioned SATA, SAS, SCSI, IDE, MFM hard drives - any type of storage device that has moving parts
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By mistake deleted some LBAs (some MB), which files?

December 7th, 2011, 8:18

Hi,
shit happens, once again in one year I deleted some LBAs (66881536 to 66979071) on my "good" 500 GB disk. This happened me again some months before and by chance I could determine which had zero-bytes in it (this was a big image what I find by chance).

But now it's more complicated and I remembered I searched the web for hours for a solution but couln't find one.

The final question on all gurus now: How can I determine which files were stored between LBA 66881536 and 66979071
Thanks in advance to all people, this forum helps me a lot the last months!

Re: By mistake deleted some LBAs (some MB), which files?

December 7th, 2011, 8:59

Why did you delete LBA's? What did you use to do this?

Maybe you could try clearing defect table to view the contents of the data that occupies these sectors.

Re: By mistake deleted some LBAs (some MB), which files?

December 7th, 2011, 10:13

So far about that: The "IS"-condition is, that it's happened because of stupidity, simply the false switch :mrgreen:

I checked it with an hex-edit and exactly this range is zero. I used Drevitalize but could also do this mistake with HDDScan or other tools (OK, HDDScan so far writes something like ###HDDSCAN Sector x###"). Please don't hit me, I know that this kind of tools are more garbage than useful. But my last "LBA-loose" was with HDDScan some months ago, also the false selection in combo-box.

I know it's hard to find a cheap (or open source) disk analysis-tool what checked the filesystem and outputs which files uses which LBAs (unless I didn't clean the meta-data about files itself, I hope not).

This tool must exist, nowadays every useful und useless tool for hard disks exist :roll:

Re: By mistake deleted some LBAs (some MB), which files?

December 7th, 2011, 10:19

What filesystem? NTFS?

Re: By mistake deleted some LBAs (some MB), which files?

December 7th, 2011, 10:26

Yes. NTFS

Re: By mistake deleted some LBAs (some MB), which files?

December 7th, 2011, 11:29

Winhex can do this if you let it parse the partition, then move to the empty sectors. The file that the sectors belong to (if any) will show in the info pane. I also remember some other command-line based utility but can't put my finger on it at the moment.

Re: By mistake deleted some LBAs (some MB), which files?

December 7th, 2011, 11:59

@drc: Thank you so much! It does exactly what I want! I remembered to use this tool years ago, but for other reasons.

Re: By mistake deleted some LBAs (some MB), which files?

December 7th, 2011, 20:12

drc wrote:Winhex can do this if you let it parse the partition, then move to the empty sectors. The file that the sectors belong to (if any) will show in the info pane. I also remember some other command-line based utility but can't put my finger on it at the moment.

Microsoft has a free Win2K OEM support tool called nfi.exe.

Tip: How to determine which file occupies a particular sector:
http://forums.seagate.com/t5/Barracuda- ... /m-p/35567

Re: By mistake deleted some LBAs (some MB), which files?

December 8th, 2011, 7:17

fzabkar wrote:
drc wrote:Winhex can do this if you let it parse the partition, then move to the empty sectors. The file that the sectors belong to (if any) will show in the info pane. I also remember some other command-line based utility but can't put my finger on it at the moment.

Microsoft has a free Win2K OEM support tool called nfi.exe.

Tip: How to determine which file occupies a particular sector:
http://forums.seagate.com/t5/Barracuda- ... /m-p/35567



Just to let you know that the link http://download.microsoft.com/download/win2000srv/​utility/3.0/nt45/en-us/oem3sr2.zip doesnt work

Re: By mistake deleted some LBAs (some MB), which files?

December 8th, 2011, 7:35

The following link still works for me:

http://download.microsoft.com/download/ ... em3sr2.zip

You appear to have an extraneous character before "utility".

Re: By mistake deleted some LBAs (some MB), which files?

December 8th, 2011, 7:58

fzabkar wrote:The following link still works for me:

http://download.microsoft.com/download/ ... em3sr2.zip

You appear to have an extraneous character before "utility".



Hmm its the link from the website you said & I just copied & pasted it in to IE8?
If you paste the shortcut text from yours & the sites they are the same? Weired?

Re: By mistake deleted some LBAs (some MB), which files?

December 8th, 2011, 8:29

For me the link also works fine. Great tools !!
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