[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] Re: Strategic decision: COW format
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] Re: Strategic decision: COW format |
Date: |
Tue, 22 Feb 2011 09:40:16 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) |
Aurelien Jarno <address@hidden> writes:
[...]
> I agree that the best would be to have a single format, and it's
> probably a goal to have. That said, what is most important to my view is
> having one or two formats which together have _all_ the features (and
> here I consider speed as a feature) of the existing qcow2 format. QED or
> FVD have been designed with the "virtualization in a datacenter" in mind,
> and are very good for this use. OTOH they don't support compression or
> snapshotting, that are quite useful for demo, debugging, testing, or
> even for occasionally running a Windows VM, in other words in situations
> where the speed is not the priority.
Speed not a priority means the requirements are pretty radically
different. Satisfying two radically different sets of requirements with
the same format could be difficult. Great to have, but possibly
difficult.
> If we can't find a tradeoff for that, we should go for two instead of
> one image format.
Less bad than a jack-of-all-trades.
- Re: [Qemu-devel] Bugs in the VDI Block Device Driver, (continued)
- Re: [Qemu-devel] Bugs in the VDI Block Device Driver, Stefan Hajnoczi, 2011/02/19
- Re: [Qemu-devel] Bugs in the VDI Block Device Driver, Stefan Weil, 2011/02/19
- Re: [Qemu-devel] Re: Strategic decision: COW format, Aurelien Jarno, 2011/02/20
- Re: [Qemu-devel] Re: Strategic decision: COW format, Kevin Wolf, 2011/02/21
- Re: [Qemu-devel] Re: Strategic decision: COW format, Stefan Hajnoczi, 2011/02/21
- Re: [Qemu-devel] Re: Strategic decision: COW format, Kevin Wolf, 2011/02/21
- Re: [Qemu-devel] Re: Strategic decision: COW format, Anthony Liguori, 2011/02/21
- Re: [Qemu-devel] Re: Strategic decision: COW format, Kevin Wolf, 2011/02/21
- Re: [Qemu-devel] Re: Strategic decision: COW format, Chunqiang Tang, 2011/02/22
- Re: [Qemu-devel] Re: Strategic decision: COW format, Markus Armbruster, 2011/02/23
- Re: [Qemu-devel] Re: Strategic decision: COW format,
Markus Armbruster <=
- Re: [Qemu-devel] Re: Comparing New Image Formats: FVD vs. QED, Stefan Hajnoczi, 2011/02/16