Samba slow speed

  • Hi everyone,


    I want to switch from my old debian NAS hacked DNS320l to a DIY OMV NAS, but I have a problem with my fresh install.


    Here is the problem:


    I've tested my write speed of my hard drive locally on the NAS like that :
    dd if=/dev/zero of=tempfile bs=10M count=1024
    result > ~108MB/s


    I've tested my network connection with iperf server on the NAS and cli on my computer:
    result > 930Mb/s -> 116MB/s


    We can deduce a transfer rate of ~100MB/s
    But it is not the case. In practice, I have: read at ~52MB/s and write at ~35MB/s


    I have read the tuning thread to improve smb speed so here is my extras options in smb config:


    I've topped when I was reading file on my NAS: ~50% cpu usage
    When writing: ~30% cpu usage


    My CPU is a intel N3710 with 4GB of ram.


    Any ideas please?


    Sorry for my bad english.

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