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

Ian Pilcher arequipeno at gmail.com
Fri Jun 1 13:37:30 UTC 2018


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.

-- 
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Ian Pilcher                                         arequipeno at gmail.com
-------- "I grew up before Mark Zuckerberg invented friendship" --------
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