Create a super tmpfs by constructing a RAID-0 array of remote RAM disks
using TGT and iSCSI. In this example we'll export two 25 GB remote RAM disks
and use mdadm for the RAID device. Format them with ext4 and disable
journaling for a fast in-memory file system.
On the target (server):
On the client (initiator) connect to the devices using a tool such as
iscsiadm. Then create the RAID array and file system: