[Openstack] extend attached volumes

Erik McCormick emccormick at cirrusseven.com
Tue Sep 26 15:12:23 UTC 2017


On Sep 26, 2017 11:03 AM, "Jay Pipes" <jaypipes at gmail.com> wrote:

On 09/26/2017 10:20 AM, Volodymyr Litovka wrote:

> Hi Jay,
>
> I know about this way :-) but Pike introduced ability to resize attached
> volumes:
>
> "It is now possible to signal and perform an online volume size change as
> of the 2.51 microversion using the|volume-extended|external event. Nova
> will perform the volume extension so the host can detect its new size. It
> will also resize the device in QEMU so instance can detect the new disk
> size without rebooting." -- https://docs.openstack.org/rel
> easenotes/nova/pike.html
>

I think using Ceph is your issue. From those release notes:

"Currently only the libvirt compute driver with iSCSI and FC volumes
supports the online volume size change."

-Erik


Apologies, Volodymyr, I wasn't aware of that ability!

Best,
-jay


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