Re: Openstack Available HDD Space

["magicboiz@xxxxxxxxxxx" <magicboiz@xxxxxxxxxxx>]

Thanks, now it works!!

On 14/12/15 10:10, Le Quang Long wrote:

Hi,

You need configure libvirt to use Ceph as its backend.

Put this config to [libvirt] in nova.conf:

[libvirt]

inject_partition=-2

inject_password = false

live_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE,VIR_MIGRATE_PEER2PEER,VIR_MIGRATE_LIVE,VIR_MIGRATE_PERSIST_DEST

inject_key=False

images_type = rbd

images_rbd_pool = [ceph vms pool]

images_rbd_ceph_conf = /etc/ceph/ceph.conf

rbd_user = cinder

rbd_secret_uuid = [Ceph FSID]

disk_cachemodes="network=writeback"

hw_disk_discard = unmap 

On Mon, Dec 14, 2015 at 4:03 PM, magicboiz@xxxxxxxxxxx <magicboiz@xxxxxxxxxxx> wrote:

Hi

I think that this problem has already been reported, but I don't get clearly how to resolve it.
I have an openstack deployment with some compute nodes. The OS deployment is configured to use a ceph cluster (cinder+glance+nova ephemeral)

My problem is this: the OS hypervisor stats reports the compute local HDD free space/used space instead of Ceph usage. At the end, I cannot create new VM because Nova reports that there's no space left in any compute node, while I have a lot space in ceph cluster....

I have OS Juno + Ceph Firefly.

thanks in advance.
J
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