Ceph Base deploys ceph-osd units blocked

[David Gomez]

When deploying the Ceph Base bundle on virtual maas per the onboarding instructions, the ceph-osd units are in the blocked state(see attached screenshot).

Workaround:
Had to zap the /dev/vdb disks and add them again per ceph-osd/0-2 (where * represents 0-2)
$ juju run-action --wait ceph-osd/* zap-disk devices=/dev/vdb i-really-mean-it=true
$ juju run-action --wait ceph-osd/* add-disk osd-devices=/dev/vdb

After doing the above I was able to use the ceph-osd units to create a storage pool and create an rbd image inside the pool.

[Luciano Lo Giudice (lmlogiudice)]

Hello David,

could you share the bundle that you used for the deployment ?

[David Gomez (dvgomez)]

Hi Luciano,

The bundle I used was https://charmhub.io/ceph-base

Thanks,
Dave

On Tue, Jul 26, 2022 at 10:25 AM Luciano Lo Giudice <
<email address hidden>> wrote:

> Hello David,
>
> could you share the bundle that you used for the deployment ?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1982861
>
> Title:
> Ceph Base deploys ceph-osd units blocked
>
> Status in OpenStack Bundles:
> New
>
> Bug description:
> When deploying the Ceph Base bundle on virtual maas per the onboarding
> instructions, the ceph-osd units are in the blocked state(see attached
> screenshot).
>
> Workaround:
> Had to zap the /dev/vdb disks and add them again per ceph-osd/0-2 (where
> * represents 0-2)
> $ juju run-action --wait ceph-osd/* zap-disk devices=/dev/vdb
> i-really-mean-it=true
> $ juju run-action --wait ceph-osd/* add-disk osd-devices=/dev/vdb
>
> After doing the above I was able to use the ceph-osd units to create a
> storage pool and create an rbd image inside the pool.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/openstack-bundles/+bug/1982861/+subscriptions
>
>

[Luciano Lo Giudice (lmlogiudice)]

The issue seems to be that the disk provided during deploy was not in a pristine state; this is required by the ceph-osd charm to use it as a backing device.

If your virtual MAAS has cinder or any other volume handler, you can use the 'osd-devices' item under 'storage' to specify the number of volumes and their size. Otherwise, for device paths, you have to make sure that they are pristine (i.e: have been zapped, as you did).