Am 16.02.2019 um 05:11 schrieb Victor Sudakov:
Stefan Bethke wrote:
I was just worried that using ahci-hd instead of paravirtualized disks
causes suboptimal performance of guests. Do you think there is a hope to get
paravirtualized disks support for Windows guests in bhyve?
I was under the impression that the Windows VirtIO disk driver works
with the Bhyve virtio-blk device. You need to provide these drivers to
Windows somehow (for example, as a second CD image during
installation):
https://www.linux-kvm.org/page/WindowsGuestDrivers/Download_Drivers
I use NetKVM (VirtIO network) driver from there all the time, because
e1000 is bad.
However, I've read a number of bhyve resources including
https://wiki.freebsd.org/bhyve/Windows and I've never found a success
story with paravirtualized Windows disk drivers.
If anyone has been successful with viostor(?), please share your experience.
You'll need
https://github.com/freenas/os/commit/0e4d6e1826f8aa7041cbeeb4365c797eeec5c5f4
if I remember correctly.
I asked for commit, since I'm using this in production for a long time,
but once upon a time, there has been a linux-guest specific side effect.
Don't know much about it and haven't had a chance to reproduce it.
In my bhyve world, any guest runs fine with the higher BLOCKIF_IOV limit.
-harry
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