-- install cifs support
yum install cifs-utils.x86_64

-- create group/user owner for mapping ownership into cifs mount
-- we choosed to fix uid/guid identical across all machines using the Samba share
groupadd smbuser --gid 1502
useradd smbuser --uid 1502 -g smbuser -G smbuser

-- test cifs mount
mount -t cifs //192.168.0.9/share /mnt/yavin4 -o vers=2.0,uid=smbuser,gid=smbuser,file_mode=0775,dir_mode=0775,user=vplesnila

umount /mnt/yavin4

-- create credentials file for automount: /root/.smbcred
username=vplesnila
password=*****

-- add in /etc/fstab
//192.168.0.9/share   /mnt/yavin4   cifs  vers=2.0,uid=smbuser,gid=smbuser,file_mode=0775,dir_mode=0775,credentials=/root/.smbcred  0 0

-- test
mount -a