Open Stack

I think this feature is actually implemented in nova. So you have to use
the nova volume-extend option to do what you want. This is just my
interpretation of the release notes though. I haven't tried it.


On Tue, Sep 26, 2017 at 10:20 AM, Volodymyr Litovka <doka.ua at gmx.com> 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-extendedexternal 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/
> releasenotes/nova/pike.html
>
> On 9/26/17 5:04 PM, Jay Pipes wrote:
>
> Detach the volume, then resize it, then re-attach.
>
> Best,
> -jay
>
> On 09/26/2017 09:22 AM, Volodymyr Litovka wrote:
>
> Colleagues,
>
> can't find ways to resize attached volume. I'm on Pike.
>
> As far as I understand, it required to be supported in Nova, because
> Cinder need to check with Nova whether it's possible to extend this volume.
>
> Well,
> - Nova's API microversion is 2.51, which seems to be enough to support
> "volume-extended" API call
> - Properties of image are *hw_disk_bus='scsi'* and
> *hw_scsi_model='virtio-scsi'*, type bare/raw, located in Cinder
> - hypervisor is KVM
> - volume is bootable, mounted as root, created as snapshot from Cinder
> volume
> - Cinder's backend is CEPH/Bluestore
>
> and both "cinder extend" and "openstack volume set --size" returns "Volume
> status must be '{'status': 'available'}' to extend, currently in-use".
>
> I did not find any configuration options neither in nova nor in cinder
> config files, which can help with this functionality.
>
> What I'm doing wrong?
>
> Thank you.
>
> --
> Volodymyr Litovka
>    "Vision without Execution is Hallucination." -- Thomas Edison
>
>
>
> _______________________________________________
> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/
> openstack
> Post to     : openstack at lists.openstack.org
> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/
> openstack
>
>
> _______________________________________________
> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/
> openstack
> Post to     : openstack at lists.openstack.org
> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/
> openstack
>
>
> --
> Volodymyr Litovka
>   "Vision without Execution is Hallucination." -- Thomas Edison
>
>
> _______________________________________________
> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/
> openstack
> Post to     : openstack at lists.openstack.org
> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/
> openstack
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack/attachments/20170926/3ef92191/attachment.html>