Hello Antonio, Thank you for your answer.
On 2020-10-13 17:40, Antonio Diaz Diaz wrote: > Hello François, > > François Villette wrote: >> There's a talk on Xigmanas forums (custom FreeBSD OS NAS) about SSD with >> ddrescue and dd: >> https://www.xigmanas.com/forums/viewtopic.php?f=15&t=15441 >> (see #10 & 11). > > I get an "Internal server error" when trying to access that page. It happens on this forum. I've copy/paste the link from this email and was able to access the page... I'll post your answer there. >> Does ddrescue work on SSD & NVMe? > > Ddrescue should work with any device for which the kernel provides a > block device name. > >> I've done clones of SSDs with ddrescue but they were brand new, so can't >> say for sure if ddrescue detects bad cells on them to try to rescue them. > > Ddrescue does not "detect bad cells". It is the device driver the one > that detects them and returns a "read error" to ddrescue. > >> Also, is there a way, on SSD or NVMe, to get the files' names lying in >> bad sectors with ddrescue? > > The same methods used for hard discs should work because they are > performed on the copy. See > http://www.gnu.org/software/ddrescue/manual/ddrescue_manual.html#Fill-mode Sure I didn't read thoughtfully this part (and not only this one)... I'll get a bad drive to try that out. > > Best regards, > Antonio. > Best regards, François