Re: Errors connecting cinder-volume to ceph

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That was it! Thank you so much for your help, Marko! What a silly thing for me to miss!

<3 Trilliams

Sent from my iPhone

On Jun 19, 2017, at 8:12 PM, Marko Sluga <marko@xxxxxxxxxxxxxx> wrote:

Sorry,

rbd_user = volumes

Not client.volumes



---- On Mon, 19 Jun 2017 21:09:38 -0400 marko@xxxxxxxxxxxxxx wrote ----

Hi Nichole,

Yeah, your setup looks is ok, so the only thing here could be an auth issue. So I went through the config again and I see you have set the client.volumes ceph user with rwx permissions on the volumes pool.

In your cinder.conf the setup is:

rbd_user = cinder

Unless the cinder ceph user also exists, this is probably incorrectly set and I would say you would need to change that setting to:

rbd_user = client.volumes

Regards, Marko

---- On Mon, 19 Jun 2017 20:50:47 -0400 tribecca@xxxxxxxxxx wrote ----

Hi Marko!

Here’s my details:

OpenStack Newton deployed with PackStack [controller + network node}
Ceph Kraken 3-node setup deployed with ceph-ansible

# cat /etc/redhat-release 
Red Hat Enterprise Linux Server release 7.3 (Maipo)

# ceph --version
ceph version 11.2.0 (f223e27eeb35991352ebc1f67423d4ebc252adb7)

# rpm -qa | grep librados
libradosstriper1-11.2.0-0.el7.x86_64
librados2-11.2.0-0.el7.x86_64

# cinder --version
1.9.0

# nova-manage --version
14.0.3

If it matters, both glance & nova connected without a hitch. It’s just cinder that’s causing a headache.

T. Nichole Williams



On Jun 19, 2017, at 7:34 PM, Marko Sluga <marko@xxxxxxxxxxxxxx> wrote:

Hi Nichole,

Since your config is ok.

I'm going to need more details on the OpenStack release, the hypervisor, linux and librados versions.

You could also test if you can try and monut a volume from your os and/or hypervisor and the machine that runs the cinder volume service to start with.

Regards, Marko


---- On Mon, 19 Jun 2017 17:59:48 -0400 tribecca@xxxxxxxxxx wrote ----

Hi Marko,

Here’s’ my ceph config:

[ceph]
volume_driver = cinder.volume.drivers.rbd.RBDDriver
volume_backend_name = ceph
rbd_pool = volumes
rbd_ceph_conf = /etc/ceph/ceph.conf
rbd_flatten_volume_from_snapshot = false
rbd_max_clone_depth = 5
rbd_store_chunk_size = 4
rados_connect_timeout = -1
rbd_user = cinder
rbd_secret_uuid = c80d6505-260c-48c1-a248-7144cd5d5aab
filter_function = "volume.size >= 2"

Setting logging to “debug” doesn’t seem to produce any new information. Here’s a snippet of /var/log/cinder/volume.log:
2017-06-19 16:54:45.056 9797 INFO cinder.volume.manager [req-e556d559-c484-4edf-a458-5afbafcb8e39 - - - - -] Initializing RPC dependent components of volume driver RBDDriver (1.2.0)
2017-06-19 16:54:45.056 9797 ERROR cinder.utils [req-e556d559-c484-4edf-a458-5afbafcb8e39 - - - - -] Volume driver RBDDriver not initialized
2017-06-19 16:54:45.057 9797 ERROR cinder.volume.manager [req-e556d559-c484-4edf-a458-5afbafcb8e39 - - - - -] Cannot complete RPC initialization because driver isn't initialized properly.
2017-06-19 16:54:55.063 9797 ERROR cinder.service [-] Manager for service cinder-volume controller.trilliams.info@ceph is reporting problems, not sending heartbeat. Service will appear "down".
2017-06-19 16:56:34.065 9797 WARNING cinder.volume.manager [req-1309a49a-d5c9-45dd-b277-36cb4ac09dd8 - - - - -] Update driver status failed: (config name ceph) is uninitialized.

I’ve added the entirety of /etc/cinder/cinder.conf to my gist, & thank you all for any help you can provide.


T. Nichole Williams



On Jun 19, 2017, at 4:39 PM, Marko Sluga <marko@xxxxxxxxxxxxxx> wrote:

Hi Nicole,

I can help, I have been working on my own openstack connected to ceph - can you send over the config in your /etc/cinder/cinder.conf file - especially the rbd relevant section starting with:

volume_driver = cinder.volume.drivers.rbd.RBDDriver

Also, make sure your rbd_secret_uuid matches the client volume secret you created.

Regards,

Marko Sluga
Independent Trainer

<1487020143233.jpg>

T: +1 (647) 546-4365

L + M Consulting Inc.
Ste 212, 2121 Lake Shore Blvd W
M8E 4E9, Etobicoke, ON


---- On Mon, 19 Jun 2017 17:25:59 -0400 T. Nichole Williams <tribecca@xxxxxxxxxx> wrote ----

Hello,

I’m having trouble connecting Ceph to OpenStack Cinder following the guide in docs.ceph.com & I can’t figure out what’s wrong. I’ve confirmed auth connectivity for both root & ceph users on my openstack controller node, but the RBDDriver is not initializing. I’ve dug through every related Google article I can find with no results. Any one have any tips?

Here’s output of a few sample errors, auth list from controller, & cinder-manage config list. Please let me know if you need any further info from my side.

T. Nichole Williams



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