View source for Partition-table-recovery


*  https://www.tldp.org/HOWTO/Partition/recovering.html

<pre>
$ mount | grep sda
/dev/sda1 on / type ext4 (rw,relatime,errors=remount-ro,data=ordered)
/dev/sda6 on /home type ext4 (rw,relatime,data=ordered)
/dev/sda5 on /var type ext4 (rw,relatime,data=ordered)

$ df -h | grep sda
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda1        37G   11G   24G  32% /
/dev/sda6        18G  9.3G  7.3G  57% /home
/dev/sda5        92G   55G   33G  63% /var

</pre>


Test disk 7.x analysis shows:

<pre>
TestDisk 7.0, Data Recovery Utility, April 2015
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org


Disk /dev/sda - 160 GB / 149 GiB - SAMSUNG HD160JJ
     CHS 19457 255 63 - sector size=512

>[ Analyse  ] Analyse current partition structure and search for lost partitions
 [ Advanced ] Filesystem Utils
 [ Geometry ] Change disk geometry
 [ Options  ] Modify options
 [ MBR Code ] Write TestDisk MBR code to first sector
 [ Delete   ] Delete all data in the partition table
 [ Quit     ] Return to disk selection





Note: Correct disk geometry is required for a successful recovery. 'Analyse'
process may give some warnings if it thinks the logical geometry is mismatched.
</pre>


- STEP - analysis shows:

<pre>
TestDisk 7.0, Data Recovery Utility, April 2015
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org

Disk /dev/sda - 160 GB / 149 GiB - CHS 19457 255 63
     Partition               Start        End    Size in sectors
>* Linux                    0  32 33  4862 205 15   78118912
 P Linux                 4863  47 49 17020 164 40  195309568
 P Linux                17020 197 10 19335 183 48   37189632
 L Linux Swap           19335 216 18 19457  53 52    1949696



Structure: Ok.  Use Up/Down Arrow keys to select partition.
Use Left/Right Arrow keys to CHANGE partition characteristics:
*=Primary bootable  P=Primary  L=Logical  E=Extended  D=Deleted
Keys A: add partition, L: load backup, T: change type, P: list files,
     Enter: to continue
ext4 blocksize=4096 Large_file Sparse_SB Recover, 39 GB / 37 GiB
</pre>




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