System crashes when copying large files

  • Hello,


    My system is crashing as soon as I launch a copy of a large file (2GB) on the same disk.


    The copy starts but around 500 MO of copy the system freezes and crashes --> doesn't even respond to a ping. I should make a hard reset.


    The copy of a small medium file is performed without trouble.


    The copy is also OK if I make it to another disk and then for this disk to the initial one.


    The disk having the problem is a RAID between two WD Red 3 GB.


    SMART info says nothing on these disk.
    The violence of the crash makes me thinking on a hard (memory) issue.
    May be also something related with the swap.



    Any idea of what I should like for ?



    Thank you for the help.

  • Memtest. There is a program for debian but I´d take a boot cd for it because it scans the whole RAM instead of just the free RAM.
    Or if you have some spare RAMs layin aroung, just swap them.

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