no partition found after deep search.

How to use TestDisk to recover lost partition
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appius
Posts: 9
Joined: 02 Jul 2015, 15:05

no partition found after deep search.

#1 Post by appius » 03 Jul 2015, 08:25

hi,
I'm trying to fix a 300 IDE disk that turned to raw.
unfortunately, the partition can't be found even after a deep search.
what should I do to restore it?
thanks in advance for your help.

Partition table type default to Intel
Disk /dev/sda - 300 GB / 279 GiB
Partition table type: Intel

Interface Advanced
New options :
Dump : No
Align partition: Yes
Expert mode : Yes

Analyse Disk /dev/sda - 300 GB / 279 GiB - CHS 36479 255 63
Current partition structure:

Partition sector doesn't have the endmark 0xAA55

search_part()
Disk /dev/sda - 300 GB / 279 GiB - CHS 36479 255 63
file_pread(4,2,buffer,586041344(36479/98/36)) lseek err Invalid argument
file_pread(4,1,buffer,586041344(36479/98/36)) lseek err Invalid argument
file_pread(4,1,buffer,586041343(36479/98/35)) lseek err Invalid argument
file_pread(4,14,buffer,586041345(36479/98/37)) lseek err Invalid argument
file_pread(4,3,buffer,586041359(36479/98/51)) lseek err Invalid argument
file_pread(4,3,buffer,586041406(36479/99/35)) lseek err Invalid argument
file_pread(4,8,buffer,586041422(36479/99/51)) lseek err Invalid argument
file_pread(4,11,buffer,586041469(36479/100/35)) lseek err Invalid argument
file_pread(4,2,buffer,586043391(36479/131/4)) lseek err Invalid argument

Results

interface_write()

No partition found or selected for recovery

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Fiona
Posts: 2836
Joined: 18 Feb 2012, 17:19
Location: Ludwigsburg/Stuttgart - Germany

Re: no partition found after deep search.

#2 Post by Fiona » 03 Jul 2015, 08:41

Currently you have no partition in your partition table.
In case, you should run "Deeper Search" also, to have a try to find your partition by its backup of the boot sector.
If a partition would be found, you can select it and press p to have a try to list your files.
Please copy and paste the content of your testdisk.log again.

Fiona

appius
Posts: 9
Joined: 02 Jul 2015, 15:05

Re: no partition found after deep search.

#3 Post by appius » 03 Jul 2015, 08:46

thanks Fiona for you quick answer!
but as I said, this the deeper search results already.

User avatar
Fiona
Posts: 2836
Joined: 18 Feb 2012, 17:19
Location: Ludwigsburg/Stuttgart - Germany

Re: no partition found after deep search.

#4 Post by Fiona » 03 Jul 2015, 09:05

I'm not sure that Deeper Search was running but Quick Search instead.
Analyse Disk /dev/sda - 300 GB / 279 GiB - CHS 36479 255 63
Current partition structure:

Partition sector doesn't have the endmark 0xAA55
That's your current situation (partition table) and no partition available or empty.
search_part()
Disk /dev/sda - 300 GB / 279 GiB - CHS 36479 255 63
file_pread(4,2,buffer,586041344(36479/98/36)) lseek err Invalid argument
file_pread(4,1,buffer,586041344(36479/98/36)) lseek err Invalid argument
file_pread(4,1,buffer,586041343(36479/98/35)) lseek err Invalid argument
file_pread(4,14,buffer,586041345(36479/98/37)) lseek err Invalid argument
file_pread(4,3,buffer,586041359(36479/98/51)) lseek err Invalid argument
file_pread(4,3,buffer,586041406(36479/99/35)) lseek err Invalid argument
file_pread(4,8,buffer,586041422(36479/99/51)) lseek err Invalid argument
file_pread(4,11,buffer,586041469(36479/100/35)) lseek err Invalid argument
file_pread(4,2,buffer,586043391(36479/131/4)) lseek err Invalid argument

Results
It's your result of Quick Search, which follows after Analyse (your current partition structure).The result has been that NO partition was found!
interface_write()

No partition found or selected for recovery

interface_write()
The write interface displays 2 opportunities.
Write and Deeper Search.
Are you sure that you were running Deeper Search?
Deeper Search can find more partitions by the backup of the boot sector and recover them.
If you were running Deeper Search, there would be another/second Search displayed and I don't find it?

Fiona

appius
Posts: 9
Joined: 02 Jul 2015, 15:05

Re: no partition found after deep search.

#5 Post by appius » 03 Jul 2015, 12:49

I've just redone the two searches, Fonia. nothing found.
after the deeper one, i don't have any more option than quit.
here the log:
Partition table type default to Intel
Disk /dev/sda - 300 GB / 279 GiB
Partition table type: Intel

Analyse Disk /dev/sda - 300 GB / 279 GiB - CHS 36479 255 63
Current partition structure:

Partition sector doesn't have the endmark 0xAA55

search_part()
Disk /dev/sda - 300 GB / 279 GiB - CHS 36479 255 63
file_pread(4,1,buffer,586041343(36479/98/35)) lseek err Invalid argument
file_pread(4,1,buffer,586041344(36479/98/36)) lseek err Invalid argument
file_pread(4,14,buffer,586041345(36479/98/37)) lseek err Invalid argument
file_pread(4,3,buffer,586041359(36479/98/51)) lseek err Invalid argument
file_pread(4,3,buffer,586041406(36479/99/35)) lseek err Invalid argument
file_pread(4,8,buffer,586041422(36479/99/51)) lseek err Invalid argument
file_pread(4,11,buffer,586041469(36479/100/35)) lseek err Invalid argument
file_pread(4,2,buffer,586043391(36479/131/4)) lseek err Invalid argument
Search for partition aborted

Results

interface_write()

No partition found or selected for recovery
simulate write!

write_mbr_i386: starting...
Store new MBR code
write_all_log_i386: starting...
No extended partition

Analyse Disk /dev/sda - 300 GB / 279 GiB - CHS 36479 255 63
Current partition structure:

Partition sector doesn't have the endmark 0xAA55

search_part()
Disk /dev/sda - 300 GB / 279 GiB - CHS 36479 255 63
file_pread(4,2,buffer,586041344(36479/98/36)) lseek err Invalid argument
file_pread(4,1,buffer,586041344(36479/98/36)) lseek err Invalid argument
file_pread(4,1,buffer,586041343(36479/98/35)) lseek err Invalid argument
file_pread(4,14,buffer,586041345(36479/98/37)) lseek err Invalid argument
file_pread(4,3,buffer,586041359(36479/98/51)) lseek err Invalid argument
file_pread(4,3,buffer,586041406(36479/99/35)) lseek err Invalid argument
file_pread(4,8,buffer,586041422(36479/99/51)) lseek err Invalid argument
file_pread(4,11,buffer,586041469(36479/100/35)) lseek err Invalid argument
file_pread(4,2,buffer,586043391(36479/131/4)) lseek err Invalid argument

Results

interface_write()

No partition found or selected for recovery

search_part()
Disk /dev/sda - 300 GB / 279 GiB - CHS 36479 255 63
file_pread(4,2,buffer,586041344(36479/98/36)) lseek err Invalid argument
file_pread(4,1,buffer,586041344(36479/98/36)) lseek err Invalid argument
file_pread(4,1,buffer,586041343(36479/98/35)) lseek err Invalid argument
file_pread(4,14,buffer,586041345(36479/98/37)) lseek err Invalid argument
file_pread(4,3,buffer,586041359(36479/98/51)) lseek err Invalid argument
file_pread(4,3,buffer,586041406(36479/99/35)) lseek err Invalid argument
file_pread(4,8,buffer,586041422(36479/99/51)) lseek err Invalid argument
file_pread(4,11,buffer,586041469(36479/100/35)) lseek err Invalid argument
file_pread(4,2,buffer,586043391(36479/131/4)) lseek err Invalid argument

Results

interface_write()

No partition found or selected for recovery
simulate write!

write_mbr_i386: starting...
Store new MBR code
write_all_log_i386: starting...
No extended partition
SIGHUP detected! TestDisk has been killed.

appius
Posts: 9
Joined: 02 Jul 2015, 15:05

Re: no partition found after deep search.

#6 Post by appius » 04 Jul 2015, 17:13

do you see anything weird?

appius
Posts: 9
Joined: 02 Jul 2015, 15:05

Re: no partition found after deep search.

#7 Post by appius » 06 Jul 2015, 08:55

what do those lseek err Invalid argument stand for?

User avatar
Fiona
Posts: 2836
Joined: 18 Feb 2012, 17:19
Location: Ludwigsburg/Stuttgart - Germany

Re: no partition found after deep search.

#8 Post by Fiona » 06 Jul 2015, 17:41

file_pread(4,1,buffer,586041343(36479/98/35)) lseek err Invalid argument
As far as I've seen (already a long time ago) pread and pwrite had something to do with cygwin (unix for windows).
Despite that, partitions should be found and be recoverable.
Unfortunately testdisk didn't find any partition by the backup of the boot sector.
You can try to recover files using photorec instead.
http://www.cgsecurity.org/wiki/PhotoRec
http://www.cgsecurity.org/wiki/PhotoRec_Step_By_Step
You can use PhotoRec / FileOpt and press s to deselect all filetypes and just activate those where you'd like to recover.
So PhotoRec will not recover unnecessary files.

Fiona

appius
Posts: 9
Joined: 02 Jul 2015, 15:05

Re: no partition found after deep search.

#9 Post by appius » 08 Jul 2015, 08:29

thanks for your answer Fiona.
I've tried photorec, but it gave me a bunch of corrupted files with stupid names. useless.
any other solution?
can't the boot sector be recreated?

appius
Posts: 9
Joined: 02 Jul 2015, 15:05

Re: no partition found after deep search.

#10 Post by appius » 12 Sep 2015, 11:32

up.
can't the boot sector be recreated?

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