On Sat, 2013-06-01 at 19:52 +0000, Rock wrote: > On Sat, 01 Jun 2013 16:40:46 +0000, Rock wrote: > > > Now comes the biggie, backing up the entire 150MB disk: > > Q: Maybe I should have used the "conv=noerror" option > > as suggested in the dd wikipedia entry? > > $ sudo dd if=/dev/sdc1 of=/mnt/image.dd bs=1M > > The dd finished backing up after about 3 hours. > > $ sudo dd if=/dev/sdc1 of=/mnt/image.dd bs=1M > ==> 152625+1 records in > ==> 152625+1 records out > ==> 160039240704 bytes (160 GB) copied, 9750.86 s, 16.4 MB/s > > Although I can't see to change the permissions of the result: > $ ls -l > ==> -rwxrwxrwx. 1 root root 160039240704 Jun 1 12:13 image.dd > $ sudo chmod uog=r /mnt/image.dd > $ ls -l > ==> -rwxrwxrwx. 1 root root 160039240704 Jun 1 12:13 image.dd > $ sudo chmod 555 ./image.dd > $ ls -l > ==> -rwxrwxrwx. 1 root root 160039240704 Jun 1 12:13 image.dd > > At this point, some people said to try to recover using > the backup; while others said I should work off the original disk. > > I think I'll try the testdisk recover procedure first. > testdik can work on a disk image, so I recommend using that. Don't risk chaging the original disk (although testdisk is not supposed to touch it IIRC) /Louis