I'm facing this issue since ever I started using Linux Distros. While copying/moving either graphically or with
cp one/many big content(anything like big text file, tar.gz archive, iso file, movies) some part of the content is written to disk , some part cached in memory(RAM). During the copying time, amount of shared and cached memory dramatically increased(checked with
After some time file manager(like Dolphin,PCManFM) or
cp shows that copying is finished but data actually not written to disk until I do a
I think this is not a hardware issue.
Checked with many internal and external hard drives, USB flash drives of various brands but all with the same result.
No hard drive APM issue , I always disable hard drive power management.
The problem is same with dd and cat , like
dd if=live.iso of=/dev/sdb.
Not a distro specific issue, Cheked with Debian, Fedora, Ubuntu, Slax etc.
Not crosschecked with other UNIX like OSs, if anyone have/had the same issue with FreeBSD,OpenBSD etc. please let me know.
So what is the Problem and how to solve it ?