Re: [libvirt-users] Make discard='unmap' the default?

On Fri, Jun 01, 2018 at 08:37:30AM -0500, Ian Pilcher wrote: > On 06/01/2018 08:14 AM, Daniel P. Berrangé wrote: > > Yes, it inherits some defaults to libvirt and/or QEMU. If those are not > > suitable for some reason, then virt-manager needs to override it. The > > decision about whether to enable discard or not is a policy decision > > that doesn't have a single perfect answer. So changing it in libvirt > > might make it better for you, but worse for someone else. Libvirt does > > not want to get into such debates, so leaves such decisions for the app > > above to make, where there may well be more global context/knowledge > > allowing a better choice. > > To be clear, I'm not suggesting that the "default defaults" be changed, > I would just like to change the default on my personal system. > > It sounds like you're saying that libvirt expects virt-manager to > override these settings (if it wants to), but virt-manager doesn't > provide any way to do so, since it just uses the defaults from libvirt/ > QEMU. Yes, exactly. IOW, perhaps file an RFE against virt-manager