Hello,
By disabling anti-virus, it does not change the rate remains 60 MB / s max, eb making a flow test of the hard drives on the server, I'm at 200 MB / s.
So the problem seems to Samba?
root@Serveur:/media/2700ea89-1bb1-4423-b7cb-c147f5426aa1# time sh -c "dd if=/dev/zero of=ddfile bs=8k count=750000 && sync"
750000+0 enregistrements lus
750000+0 enregistrements écrits
6144000000 octets (6,1 GB) copiés, 30,5941 s, 201 MB/s
real 0m31.381s
user 0m0.128s
sys 0m8.137s
cd ..