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I can not copy 18gb big file from my usb hd to my 76gb extended ext4 partiotion, Anyone can help me please.

i have tried cp, rsync commands with root previlegies, with no sucess.

What is going on?

Where am i wrong?

Linux cant copy large files?

What error messages do you get? Please next time you try copy&paste the exact command you used and the error message you receive, otherwise it'S hard to troubleshoot what went wrong. What filesystem is on that usb hdd, and where exactly do you want to copy the file in question? In general this works here just fine, size also doesn't matter, if there's enough free spaced in the filesystem where you want to copy it.

Hi doktor5000 thanks for your reply. It is hard to get the exactly error message because I had tried several ways to solve this problem. did not believe that it was really happening with linux, with cp command it said something like that: "error copying file" and rsync commad I aborted after 4 hours. I´ll try a dd command like this:

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dd if=/path/your_big_file of=/your_ext4_mounted_partition/copy_of_the_big_file bs=1M

Somebody told me to use it.

Actually run one of those commands and post all output here. "Something like what ever" is not information to base anything on at all. We need actual terminal out put of actual specific terminal commands.

Please provide more details which i've already asked for (used filesystems, copy destination, exact commands & error messages ...)

Hello guys that is the output of the last try:

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[root@localhost sete]# dd if=/media/f2dc3eb4-665e-4d1b-9e5d-b9d59d216a37/sete/sete.vdi of=/mnt/part-file/sete/sete.vdi bs=1M
dd: reading `/media/f2dc3eb4-665e-4d1b-9e5d-b9d59d216a37/sete/sete.vdi': Input/output error
4205+1 records in
4205+1 records out
4410028032 bytes (4.4 GB) copied, 2725.47 s, 1.6 MB/s


I dont know what is going on, i think my computer has any hardware problem. I am thinking reformat everything again! I'll wait a little to see if somebody can give a light at the end of the tunnel.

linsspinho wrote:dd: reading `/media/f2dc3eb4-665e-4d1b-9e5d-b9d59d216a37/sete/sete.vdi': Input/output error

[...]
I dont know what is going on, i think my computer has any hardware problem.

Seems the filesystem or the drive you try to read from is failing. Reformatting or reinstalling will not cure that problem.
And if you don't provide more details, it's hard to shed some light on the problem.

I agree, I dont have more details to provide. Thanks for your help anyway.

So you don't know nothing about the underlying filesystem, which destination and source you tried to copy to/from, at least?

I solved the problem reformatting everything, lost part of the data on usb hd. Thanks for you guys help.

Linsspinho, in accordance, would you mind marking the topic [SOLVED] then?

ok