[Openstack-operators] Trying to deploy an instance..running out of disk space on the compute node?

Zach Easterbrook fishlikehexagon at gmail.com
Thu Jan 17 17:32:05 UTC 2013

I suspected as much..I made /var a separate filesystem on the controller
node but I wasn't aware the compute nodes also needed it as a separate
system. Thanks for the response.

On Thu, Jan 17, 2013 at 12:24 PM, Abel Lopez <alopgeek at gmail.com> wrote:

> Is /var not a separate filesystem? By default, your instances run out of
> /var/lib/nova/instances
> Make sure that has enough space
> On Thursday, January 17, 2013, Zach Easterbrook wrote:
>> Foreword, all of this is on essex.
>> I'm trying to deploy a virtual machine image I've made myself following a
>> procedure similar to the one outlined here:
>> http://docs.openstack.org/trunk/openstack-compute/admin/content/manually-creating-qcow2-images.html#d6e6214(I used virt-manager and x11 forwarding instead of VNC to connect to the
>> instance)
>> However, when I attempt to boot this image using the following command:
>> (6 is a custom flavor)
>> nova boot --poll --flavor 6 --image <img id> --key_name my_key
>> --availability_zone=zone1 t1dbvm
>> it will say "Error building instance"
>> on the compute node I'm seeing this:
>> http://paste.debian.net/225727/
>> Then a bit further down:
>> 2013-01-17 11:58:41 TRACE nova.rpc.amqp IOError: [Errno 28] No space left
>> on device
>> 2013-01-17 11:58:41 TRACE nova.rpc.amqp
>> I'm wondering if my root partition is too small. The image I'm trying to
>> deploy is 10GB but I only have ~7.6GB available on root, (but 400GB+ on
>> /home).
>> Any thoughts? I know this VM image is bootable, I can boot it manually
>> using virt-manager.
>> PS: I don't know if it's related but in the nova-compute.log I'm also
>> seeing "Instance found in database but not known by hypervisor. Setting
>> power to NOSTATE."
>> Help is appreciated, thanks very much in advance.
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