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I agree with Daniel for the qemu-img commands. For other temp file usage, I
know on Fedora/RHEL there's already /var/lib/nova/tmp which is used for
lock files, etc.

Nate
On Jul 2, 2012 4:29 PM, "Daniel P. Berrange" <berrange at redhat.com> wrote:

> On Mon, Jul 02, 2012 at 10:24:02AM -0700, Matt Joyce wrote:
> > I like the idea of making this a flagfile option.
>
> In the particular case of the qemu-img command described
> in earlier in this thread, I'm not convinced we need a
> new option. Instead of using /tmp when extracting a snapshot
> from an existing disk image, it could just use the path
> where the source image already resides. ie the existing
> FLAGS.instances_path directory, which can be assumed to
> be a suitably large persistent data store.
>
> Other uses of temporary files should be analysed ona case
> by case basis to figure out a suitable storage location.
> This might perhaps identify a need for a generic temp
> file location for nova, such as /var/run/nova/ or
> /var/cache/nova or both (depending on use case).
>
> Regards,
> Daniel
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