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We actually modified the code to disable the automatic formatting of
ephemeral disks.  This was especially problematic with flavors that had
larger sized ephemeral disks as it would slow the nova boot time.

Nate
On Jan 12, 2015 5:08 PM, "Abel Lopez" <alopgeek at gmail.com> wrote:

> I was always a little bugged by that. Like, if you attach a new cinder
> volume, you have to 'newfs' it (Really showing my age there)
> but if you have ephemeral disk, it already has a filesystem. I agree with
> Clint's latest comment that maybe the ephemeral disk should not have an FS
> already.
>
> > On Jan 12, 2015, at 12:04 PM, Davanum Srinivas <davanum at gmail.com>
> wrote:
> >
> > Hi,
> >
> > Here's the original "bug" filed against Nova:
> > https://bugs.launchpad.net/nova/+bug/1266262
> >
> > There has been a lot of traffic on the mailing lists in the past and
> > review churns on this topic:
> > http://bit.ly/ext4-ephemeral
> >
> > Based on the last thread, there are 2 reviews in progress:
> >
> https://review.openstack.org/#/q/status:open+project:openstack/nova+branch:master+topic:bug/1266262,n,z
> >
> > And the Nova core team suggested adding a blueprint (in the last Nova
> meeting)
> > https://blueprints.launchpad.net/nova/+spec/ext4-as-ephemeral-disk
> >
> > Please take a look to see if the changes in progress will work in your
> > environment(s) and let us know
> >
> > thanks,
> > dims
> >
> > --
> > Davanum Srinivas :: https://twitter.com/dims
> >
> > _______________________________________________
> > OpenStack-operators mailing list
> > OpenStack-operators at lists.openstack.org
> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
>
>
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