[CentOS] filesystem mounting fails at boot

> On Oct 10, 2015, at 9:34 AM, Imre Gergely <gimre at narancs.net> wrote:
> _netdev
>              The filesystem resides on a device that requires network
> access (used to prevent the system from attempting to mount these
> filesystems until the network has been enabled on the system).

_netdev in fstab was a workaround from oracle linux support for a FC issue very similar to the one you described(OS/driver may not plogi in to the storage quickly enough.). At least give it try before so quickly dismissing assistance.