Several Issues and Questions

1. It is better to have SSD based file system for better performance.
  Since almost all the operations within these codes rely on data transfer, and it is easy to be the bottleneck using traditional hard disk.

2. There are still non-tested modules, such as RAID 6.
 Since it may require bigger number of hard disks to test RAID 6 recovery and R/W.

3. Here is a trick that, what happens to a GPU with dynamic shared memory?
As right now, almost no GPU only has shared memory, but at least has some G-RAM. This trick leads to problem of setting the parameters,
KGPU_BUF_SIZE.
In order to avoid unexpected result happening, make sure that this value is smaller than half of the video card memory.