Tejun Heo wrote:
Andre Tomt wrote:
Marc Perkel wrote:
Running Linux on an AMD AM2 nVidia chip ser that supports Raid 0
striping on the motherboard. Just wondering if hardware raid (SATA2)
SATA2 has nothing to do with hardware RAID.
is going to be faster that software raid and why?
Beeing a consumer type board (AM2), the "raid on the motherboard" is
in 99.999% of the cases just software raid implemented in their
Windows drivers, a bootup setup screen plus some BIOS magic to get
the OS booting.
And, yeah, they're all software RAID. Also, there isn't much to be
gained from making RAID0/1 hardware. The software overhead isn't that
big. For RAID5, having XOR done in hardware helps.
Thanks - I suspected that Raid 0 didn't gain anything in hardware unless
they provided additional buffering or something but I just thought I'd
ask in case there was something I was overlooking.
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