On Wed, 12 Feb 2014, murph wrote:
> Try the poorly-named "testdisk" to see if it can get any of the old
> partition information. I've had good luck with recovering
> accidentally-partitioned disks.
so here's the current output from that utility after it finished a
lengthy scan of the (corrupted) drive:
Disk /dev/sdb - 750 GB / 698 GiB - CHS 91201 255 63
Partition Start End Size in sectors
> FAT16 >32M 0 32 33 12 93 17 196608 [boot]
Linux 0 32 33 45105 20 35 724611072
Linux 12 93 18 216 183 31 3282944 [rootfs]
* Linux 48416 239 16 48612 191 27 3145728
P Linux 70007 45 55 70008 50 58 16384
P Linux 86771 149 35 86779 190 3 131072
L Linux Swap 89115 185 31 91201 52 51 33503232
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
FAT16, blocksize=2048, 100 MB / 96 MiB
now, the "boot" and "rootfs" entries would correspond to the 2G
bootable SD card image that was written over the beginning of the
disk, and i would *guess* that the sizable "Linux" partition is the
home partition/LV that is the object of recovery, but i have no idea
what to do next or whether "testdisk" has the capability of
recognizing logical volumes.
oh, crap, i hit "Quit" to back out of a menu and this utility just
cleared all those results, so i have to do the scan again. grrrrr ...
rday
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Robert P. J. Day Ottawa, Ontario, CANADA
http://crashcourse.ca
Twitter: http://twitter.com/rpjday
LinkedIn: http://ca.linkedin.com/in/rpjday
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