Le 20/10/2017 à 10:47, Pétùr a écrit : > Le 20/10/2017 à 03:32, Tom Furie a écrit : >>> I cannot copy files from my laptop (with SSD formated in ext4) to my >>> external HDD (formated also in ext4). I have an input/outpur error. The >>> I can do the opposite, i.e. transfert files from my laptop to my >>> external HDD (or other usb connected devices) with no problem. >> Which is it? > > Sorry for the mistake: I *cannot* copy file from my HDD to my laptop and > I *can* copy files from the laptop to my HDD. Writing on my laptop SSD > is the problem. >
For the record, I fixed this problem by adding "elevator=deadline" to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub. It seems to be necessary for some old SSD. Without you cannot copy to HDD. It tooks me almost a year to figure out this... Pétùr
