> Is a ~10 GB SSD on PCIe costly ? It could be perfect for a system > disk, the 3Gb/s bandwidth of the PCIe should do the difference with > what ever sata disk. You only need to write a Linux bloc drivers (and > the mean to boot !).
IMHO this is a bad idea for several reasons: - The limiting factor for both price and performance of SSD tends to be the flash memory, not the interface (unless you're using something really slow like USB1). - You need custom drivers. This makes installation a real PITA. It also means yuo have to write and maintain drivers for every OS you support, which is a fair chunk of work. - SATA bandwidth is comparable to a single PCIe lane. If you need more bandwidth then it's dead easy to do RAID on the host. - Most machines have more free SATA ports than PCIe slots. - PCIe SATA cards are cheap. - Much of the real world speedup from SSD is due to the extremely low latency random access (compared to disks), not increased peak bandwidth. Paul _______________________________________________ Open-graphics mailing list [email protected] http://lists.duskglow.com/mailman/listinfo/open-graphics List service provided by Duskglow Consulting, LLC (www.duskglow.com)
