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From Engelmann Florian <florian.engelm...@everyware.ch>
Subject Re: KVM Ceph libvirt online resize
Date Tue, 04 Apr 2017 09:16:13 GMT
Hi,

as far as I understood Cloudstack uses "virtio-blk" (I guess https://github.com/apache/cloudstack/pull/1955
will change that) so rescanning for scsi devices doesn't help.

All the best,
Flo



________________________________________
From: Vy Nguyen Tan <vynt.kenshiro@gmail.com>
Sent: Tuesday, April 4, 2017 3:39 AM
To: users@cloudstack.apache.org
Subject: Re: KVM Ceph libvirt online resize

Hi,

Try to rescan iSCSI disks
https://tipstricks.itmatrix.eu/hard-disk-sync-without-reboot/

On Mon, Apr 3, 2017 at 4:33 PM, Engelmann Florian <
florian.engelmann@everyware.ch> wrote:

> Hi,
>
> currently we are testing 4.9.2 with KVM and Ceph. Online resize of volumes
> via API and UI is possible but the guest does not recognize a resize was
> done.
>
> It's possible to "notify" the guest by triggering the following command
> from the KVM host:
>
> virsh qemu-monitor-command --hmp i-168-4502-VM 'block_resize
> drive-virtio-disk1 125G'
>
> But there must be a method to trigger something from within the guest VM?
>
> All the best,
> Flo

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