On 2017-10-22 02:18, taii...@gmx.com wrote:
Another option that would provide the best performance is attaching the drive to a SR-IOV capable HBA's VF and then using VFIO to attach the VF to your VM.

The LSI SAS 2308 series is the most affordable choice for this at around $50-70 for an 8 internal port adapter (which can support up to 256 drives via expander cards)


a little off-topic for this thread but i'm curious how do sr-iov work on raid controllers? do you assign drives or volumes via controller software that then shows up as VFs? and that VF i assume appears like a disk by itself so vm don't need to know much about it.

i mean, not all drives/volumes can show up as VF since i bet host need some drives to boot from too, right?

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