If the data is important to you, don't mess around and contact a reputable professional data recovery expert or company. If losing your data is a viable option, try to do it yourself. Otherwise seek professional help, with the data recovery effort of course. On Fri, Dec 15, 2017 at 4:31 AM, J Martin Rushton <martinrushton56@xxxxxxxxxxxxxx> wrote: > On 14/12/17 18:57, Warren Young wrote: >> On Dec 13, 2017, at 5:15 PM, J Martin Rushton <martinrushton56@xxxxxxxxxxxxxx> wrote: >>> >>> # dd if=/dev/sdc of=/home/dd-copy-of-sdc >> >> Better, use ddrescue: >> >> https://www.gnu.org/software/ddrescue/ >> >> dd will do unfortunate things like quit early on I/O errors, even if later blocks would read just fine. ddrescue assumes the input file is dodgy and tries to cope. >> > Looks interesting. I've only used dd in anger, and then only maybe 3 or > 4 times over the last 20 years. It's worth pointing out that ddrescue > is not in the main distro, you'll need to get it from EPEL. > > Whatever method you use though: "Be diligent because every time a > physically damaged drive powers up and is able to output some data, it > may be the very last time that it ever will." (ddrescue manual section 9) > > > _______________________________________________ > CentOS mailing list > CentOS@xxxxxxxxxx > https://lists.centos.org/mailman/listinfo/centos > _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos