Openfiler is a good choice to setup a storage appliance to provide shared storage with NFS or iSCSI.
So we have the next articles for install and configure openfiler:
- How to install openfiler on vmware for shared storage
- How to configure Openfiler iSCSI Storage for VMware ESX
- Configure Openfiler for ESXi shared storage with NFS
- Connect openfiler to VMware ESXi as iscsi storage