[glance] [ops] Glance deployed on 2 nodes with rbd. Do I need a shared filesystem for the reserved stores ?
akekane at redhat.com
Fri Mar 26 06:07:30 UTC 2021
Also I forget to mention that Wallaby onwards there is no need to configure
a shared filesystem for `os_glance_staging_store` for any of the import
Thanks & Best Regards,
On Fri, Mar 26, 2021 at 11:35 AM Abhishek Kekane <akekane at redhat.com> wrote:
> Hi Massimo,
> If you are planning to use glance-direct import method then you need to
> configure os_glance_staging_store using a shared filesystem. If you plan to
> use only web-download and copy-image import methods then you don't need a
> shared filesystem for os_glance_staging_store.
> If glance-direct needs to be used then the below path needs to be on a
> shared file system.
> filesystem_store_datadir = /path/to/staging/store
> If only web-download and copy-image import methods will be used then still
> you need to set the above section in glance-api.conf but no need for a
> shared filesystem in this case.
> Thanks & Best Regards,
> Abhishek Kekane
> On Fri, Mar 26, 2021 at 11:29 AM Massimo Sgaravatto <
> massimo.sgaravatto at gmail.com> wrote:
>> We are using OpenStack Train but we plan to migrate soon to something
>> The glance-api service is deployed on 2 nodes.
>> We used to have 2 backends for glance (file and rbd) but now we want to
>> use only ceph. So I guess the configuration for the stores can be simply
>> something like this [*]
>> is not too clear to me if I have to configure somewhere
>> In particular do I have to configure the [os_glance_tasks_store] and
>> [os_glance_staging_store] reserved stores ?
>> If so, do I still need shared (between the 2 glance-api nodes )filesystems
>> for them ?
>> Thanks, Massimo
>> enabled_backends = rbd:rbd
>> default_backend = rbd
>> store_description = Ceph in replica 3
>> rbd_store_pool = glance-cloudtest
>> rbd_store_user = glance-cloudtest
>> rbd_store_ceph_conf = /etc/ceph/ceph.conf
>> rbd_store_chunk_size = 8
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