[openstack-dev] [cinder] qemu-img disk corruption bug to patch or not?
Philipp Marek
philipp.marek at linbit.com
Fri Feb 20 11:40:34 UTC 2015
> > Potentially corrupted images are bad; depending on the affected data it
> > might only be diagnosed some time after installation, so IMO the fix is
> > needed.
>
> Sure but there is a (potentially hefty) performance impact.
Well, do you want fast or working/consistent images?
> > Only a minor issue: I'd like to see it have a check for the qemu version,
> > and only then kick in.
>
> That dosn't work as $distro may have a qemu 2.0.x that has the fix backported.
> That's why the workarounds group was created. You specify the safe default and
> if a distributor knows it's package is safe it can alter the default.
Oh, okay... with the safe default being derived from the qemu version ;)
> At some point you can invert that or remove the option altogether.
Yeah, 5 years down the line ... ;[
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