If target is same or larger it will work. Although appreciate I may have some problems with that if the end size is too large (?) For the short time I could see it in windows it showed the folder structure, so I'm hoping the partition information will copy ok.Thanks hugely for any help, sorry for length, hope it's clear.īackups- nope! This one stared failing whilst trying to backup from it, after that failed completely (several powercuts in a short space of time)Įdit: 2 more things I perhaps should mention If it does run out of space at the end - what's the process? ddrescue the hopefully good drive to an image, get the last part off this source one and combine? Or am I screwed. Stop it to not wear out the source drive and create an new image on the new driveĭo something more sensible and I'm an idiot and have misunderstood what I'm doing here. Keep the ddrescue running whilst it's working to the other 3tb drive - I guess I can always take an image of the target drive for whatever's copied at least. I can see why there may be a small difference in sizes or the drive I'm copying to may have bad sectors itself etc, but not sure why it should be so much larger, if the mapfile is somewhere else, so thought I'd ask in case I've misunderstood something. My concern, having time to read more is whether this is likely to complete, or run out of space - I've seen recommendations of copying to a drive 50% larger. ![]() ![]() In hindsight I may have been better copying to an image (?) I have a larger drive coming, hopefully tomorrow (6Tb).įully aware that this was risky but wanted to do something before it didn't ever turn back on. I'm about 40% into the copy with no errors so far but it's hit the slow stage a reasonable 2 days (with spikes into 100+ but I'm an optimist on that). The target drive is the same make/ model/ size and the only possible one I could use at that moment. I may have made a mistake here but wanted to get anything copying from the drive that I could ASAP. 3Tb drive was showing errors and going offline (in windows only) so I've booted from a stick into systemrescuecd and used ddrescue -f /dev/sde /dev/sdb /mnt/rescue/mapfile
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