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Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats |
Date: |
Mon, 28 Aug 2017 10:57:06 +0800 |
User-agent: |
Mutt/1.8.3 (2017-05-23) |
On Fri, 08/25 15:44, Max Reitz wrote:
> Well, OK. The main argument against supporting anything but qcow2 is
> "if you want features, use qcow2; and we are working on making qcow2 as
> fast as possible." I think that's a very good argument still. At some
> point I (and probably others, too) had the idea of making qcow2 files in
> raw layout:
Yes! I think this idea makes a whole lot of sense, too. Metadata tables can be
generated so old implementation can still use it.
Fam
> Have the data as a blob, just like a raw file, padded by
> metadata around it. An autoclear flag would specify that the qcow2 file
> is in this format, and if so, you could simply access it like a raw file
> and should have exactly the same speed as a raw file. Maybe that would
> solve this whole issue, too?
- [Qemu-devel] Persistent bitmaps for non-qcow2 formats, John Snow, 2017/08/22
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, Vladimir Sementsov-Ogievskiy, 2017/08/23
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, Vladimir Sementsov-Ogievskiy, 2017/08/23
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, Vladimir Sementsov-Ogievskiy, 2017/08/23
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, John Snow, 2017/08/24
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, Vladimir Sementsov-Ogievskiy, 2017/08/25
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, Max Reitz, 2017/08/25
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats,
Fam Zheng <=
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, John Snow, 2017/08/28
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, Yaniv Lavi (Dary), 2017/08/29
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, Max Reitz, 2017/08/30
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, Yaniv Lavi (Dary), 2017/08/30
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, John Snow, 2017/08/30
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, Yaniv Lavi (Dary), 2017/08/31
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, John Snow, 2017/08/28
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, Eric Blake, 2017/08/29
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, John Snow, 2017/08/29
- Re: [Qemu-devel] Persistent bitmaps for non-qcow2 formats, Max Reitz, 2017/08/30