On Tue 20 Oct 2020 04:32:23 PM CEST, Eric Blake wrote:
> My recommendation would be implementing a new BDS filter that does
> uncompression. Then, you could do things like:
>
> raw -> decompress -> file.xz
This would work, although read-only and you would need a compression
format that supports r
On Tue, Oct 20, 2020 at 09:32:23AM -0500, Eric Blake wrote:
> On 10/20/20 9:22 AM, Wang, Wei W wrote:
> > On Tuesday, October 20, 2020 4:01 PM, Kevin Wolf wrote:
> >> Am 20.10.2020 um 03:31 hat Wang, Wei W geschrieben:
> >>> Hi,
> >>>
> >>> Does anyone know the reason why raw-format.c doesn't have
On Tue 20 Oct 2020 04:22:43 PM CEST, Wang, Wei W wrote:
> Ok, thanks. I'm thinking QEMU could do decompression of the compressed
> data in raw.img when guest reads data.
The qcow2 format already supports compression and it's already
transparent to the guest, so you can use that.
As Kevin said if
On 10/20/20 9:22 AM, Wang, Wei W wrote:
> On Tuesday, October 20, 2020 4:01 PM, Kevin Wolf wrote:
>> Am 20.10.2020 um 03:31 hat Wang, Wei W geschrieben:
>>> Hi,
>>>
>>> Does anyone know the reason why raw-format.c doesn't have
>> compression
>>> support (but qcow has the supported added)? For exam
On Tuesday, October 20, 2020 4:01 PM, Kevin Wolf wrote:
> Am 20.10.2020 um 03:31 hat Wang, Wei W geschrieben:
> > Hi,
> >
> > Does anyone know the reason why raw-format.c doesn't have
> compression
> > support (but qcow has the supported added)? For example, raw image
> > backup with compression,
Am 20.10.2020 um 03:31 hat Wang, Wei W geschrieben:
> Hi,
>
> Does anyone know the reason why raw-format.c doesn't have compression
> support (but qcow has the supported added)? For example, raw image
> backup with compression, "qemu-img convert -c -O raw origin.img
> dist.img", doesn't work.
A
Hi,
Does anyone know the reason why raw-format.c doesn't have compression support
(but qcow has the supported added)?
For example, raw image backup with compression, "qemu-img convert -c -O raw
origin.img dist.img", doesn't work.
Thanks,
Wei