Yes, with Cinder resize works, and volume resize is separated function.
But my issue is when I use VM boot from image, without using cinder,
using CEPH directly in nova.
On 2016.02.10. 16:49, Alberto Molina Coballes wrote:
Sorry Mārtiņš, my previous comment wasn't completely correct.
I'm assuming that you're using Ceph as a cinder backend and using
instances with the root filesystem defined in a volume, so you want
to resize your instances without modify the size of the volume, just
modify RAM and vCPU, right?
In that case you can define several flavors with 0 GiB of disk size
and resize up and down your instances between these flavors, but not
with other flavors with a disk size greater than 0 GiB defined.
Regards,
Alberto
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