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Message #51206
[Bug 1328939] Re: Setting instance default_ephemeral_device in Ironic driver should be more intelligent
This wishlist bug has been open a year without any activity. I'm going
to move it to "Opinion / Wishlist", which is an easily-obtainable queue
of older requests that have come on. If you decide to work on this
consider using a blueprint [1] (maybe with a spec [2]). I'll recommend to
read [3] if not yet done.
References:
[1] https://blueprints.launchpad.net/nova/
[2] https://github.com/openstack/nova-specs
[3] https://wiki.openstack.org/wiki/Blueprints
** Changed in: nova
Status: Confirmed => Opinion
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https://bugs.launchpad.net/bugs/1328939
Title:
Setting instance default_ephemeral_device in Ironic driver should be
more intelligent
Status in Ironic:
Triaged
Status in OpenStack Compute (nova):
Opinion
Bug description:
The instance default_ephemeral_device value needs to be set within the
nova driver to the partition where the ephemeral partition is created.
We currently hard code this value to /dev/sda1 to duplicate the old
nova-bm behavior. While this makes things work for TripleO [1], we
should do something smarter to determine the true partition value to
set (e.g., a Cirros image value should be /dev/vda1).
We could consider using something like udev by-label names (e.g.,
/dev/disk/by-label/NNN). This obviously adds a requirement on udev.
[1] https://bugs.launchpad.net/ironic/+bug/1324286
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