Am 26.05.2010 10:52, schrieb Aurelien Jarno: > On Tue, May 25, 2010 at 08:31:20PM -0500, Anthony Liguori wrote: >> On 05/25/2010 04:01 PM, Aurelien Jarno wrote: >>> >>> I really think this patch can be useful, in my own case when testing >>> debian-installer (I already cache=writeback). In short all that is about >>> developing and testing, as opposed to run a VM in production, can >>> benefit about that. This was one of the original use case of QEMU before >>> KVM arrived. >>> >>> Unless someone can convince me not to do it, I seriously considering >>> applying this patch. >> >> There really needs to be an indication in the --help output of what >> the ramifications of this option are, in the very least. It should > > That's indeed something than can be done, but to avoid double standards, > it should also be done for other features that can lead to data > corruption. I am talking for example on the qcow format, which is not > really supported anymore.
That said, qcow1 is probably in a better state than half of the other drivers. Basically only raw and qcow2 are really maintained, you'd need to warn about any other format then. Kevin