The current supported Linux distributions for the "B" series Smart Array controller are RHEL and SLES. CentOS should work with the RHEL driver
here is the link for the latest driver for RHEL 6 x86_64
Main B320i driver page
The current supported Linux distributions for the "B" series Smart Array controller are RHEL and SLES. CentOS should work with the RHEL driver
here is the link for the latest driver for RHEL 6 x86_64
Main B320i driver page