[openstack-dev] [nova] minimum review period for functional changes that break backwards compatibility

Robert Collins robertc at robertcollins.net
Mon Dec 30 10:02:06 UTC 2013

On 30 December 2013 22:51, Thomas Goirand <zigo at debian.org> wrote:

> IMO, switching to ext4 is a very bad idea, because ext4 doesn't support
> online resize2fs, while ext3 does, so switching to ext4 is breaking
> cloud-init!!!

It supports it just fine. (I just resized a 4TB volume to 10TB)...
online. But even if it didn't, the ephemeral volume is formatted by
the hypervisor, the one where resize is needed is the root device,
which is separate.


Robert Collins <rbtcollins at hp.com>
Distinguished Technologist
HP Converged Cloud

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