Does your application depend on, or report, free disk space? Re: F20 Self Contained Change: OS Installer Support for LVM Thin Provisioning

[Chris Murphy]

On Jul 31, 2013, at 8:32 AM, Mike Snitzer <snitzer at redhat.com> wrote:

> But on the desktop the fedora
> developers need to provide sane policy/defaults.

Right. And the concern I have (other than a blatant bug), is the F20 feature for the installer to create thinp LVs; and to do that the installer needs to know what sane default parameters are. I think perhaps determining those defaults is non-obvious because of my experience in this bug:
https://bugzilla.redhat.com/show_bug.cgi?id=984236

If I'm going to use thinP mostly for snapshots, then that suggests a smaller chunk size at thin pool creation time; whereas if I have no need for snapshots but a greater need for provisioning then a larger chunk size is better. And asking usage context in the installer, I think is a problem.


Chris Murphy