Am 21.04.2017 um 18:26 hat Chris Friesen geschrieben:
> On 04/20/2017 03:21 PM, Eric Blake wrote:
> >On 04/20/2017 04:03 PM, Chris Friesen wrote:
>
> >>Also, does the 4KB block size get "passed-through" to the guest somehow
> >>so that the guest knows it needs to use 4KB blocks, or does that need
On 04/20/2017 03:21 PM, Eric Blake wrote:
On 04/20/2017 04:03 PM, Chris Friesen wrote:
Also, does the 4KB block size get "passed-through" to the guest somehow
so that the guest knows it needs to use 4KB blocks, or does that need to
be explicitly specified via virtio-blk-pci.logical_block_size
On 04/20/2017 04:03 PM, Chris Friesen wrote:
> Hi,
>
> Suppose the host has a physical disk that only supports 4KB access, with
> no 512B fallback.
>
> If we boot a guest with "cache=none", does the guest need to be able to
> handle disks with 4KB blocks or is qemu able to handle guests trying
Hi,
Suppose the host has a physical disk that only supports 4KB access, with no 512B
fallback.
If we boot a guest with "cache=none", does the guest need to be able to handle
disks with 4KB blocks or is qemu able to handle guests trying to access the disk
with 512B granularity?
Also, does