[dm-crypt] My sequence of failure
machiner at gmail.com
Sat Sep 4 14:11:29 CEST 2010
I reinstalled Debian a few weeks ago (dselect). Last night I plugged my backup drive
in that I may resume normal backup procedures. In a fit of stupid, I probably lost
my backup data forever. Here is what I did.
Upon plugging the USB drive in I was greeted with a small dialog box that informed
me that /dev/sdb1 was encrypted and that I needed to input the password. I did.
1 - # cryptsetup luksOpen /dev/sdb1 backup
2 - # mkfs.ext3 /dev/mapper/backup
3 - # mount /dev/mapper/backup /mnt/backup
Of course when I went to look upon my existing backups the drive was empty. Of
course I overwrote the file system. I did a number of things wrong....Large
quantities of alcohol were involved.
I tried testdisk with varying failures. Stuff was seen, ish, but it ended there. P
to list files aborted testdisk. Ran it looking for Intel partitions and also for
I see 3 instances of the drive when I run testdisk with no arguments.
Disk /dev/sdb - 320 GB / 298 GiB - WDC WD32 00BEVT-60ZCT0
Disk /dev/mapper/backup - 320 GB / 298 GiB
Disk /dev/dm-0 - 320 GB / 298 GiB
I looked around the mailing list and saw things like headers and salts and figured I
was doomed. But I'm here anyway asking if there's anything I can do to attempt to
retrieve my existing backups.
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