[pve-devel] scsihw / hotplug integration into GUI

Stefan Priebe - Profihost AG s.priebe at profihost.ag
Mon Aug 13 10:36:58 CEST 2012


Am 13.08.2012 10:20, schrieb Dietmar Maurer:
>>>> Maybe but right now we also can't choose for each disk if we want lsi
>>>> or virtio-scsi-generic scsihw is also a global option right now.
>>>
>>> Yes, but that is something completely different. Using two different
>>> scsi contollers make no sense to me, while using different kvm drivers
>> make sense?
>>
>> mhm in which case? Right now i can't imagine a scenario where you want to
>> use different drivers. If your guest is not recent enough you'll choose scsi-hd.
>> If your guest IS recent enough you'll choose scsi-generic as it bypasses the
>> emulation which results in lower CPU usage AND in more speed AND more
>> features (discard).
>>
>> In which situation do you need a mixture of both or all three (i don't see any
>> benefits for scsi-block at all)?
>
> OK, I guess your suggestion is reasonable.

thanks, so a patch which will extent the syntax for scsihw to
scsihw: virtio-scsi-pci,scsi-generic

is fine?

Greets,
Stefan


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