Thank you very much!

I read the documentation and found out that you are one of the authors of this feature! I guess I asked the right person.

After installed the CinderLib as you mentioned in the second link, do I still need to run engine setup and integrate CinderLib to use Managed Block ?

[root@olvmm ~]#  engine-setup --reconfigure-optional-components

[ INFO  ] Stage: Initializing

[ INFO  ] Stage: Environment setup

          Configuration files: ['/etc/ovirt-engine-setup.conf.d/10-packaging-jboss.conf', '/etc/ovirt-engine-setup.conf.d/10-packaging.conf', '/etc/ovirt-engine-setup.conf.d/20-setup-ovirt-post.conf']

          Log file: /var/log/ovirt-engine/setup/ovirt-engine-setup-20210914130015-1qjhwx.log

          Version: otopi-1.8.4 (otopi-1.8.4-1.el7)

[ INFO  ] Stage: Environment packages setup

[ INFO  ] Stage: Programs detection

[ INFO  ] Stage: Environment setup (late)

[ INFO  ] Stage: Environment customization

         --== PRODUCT OPTIONS ==--

          Set up Cinderlib integration

          (Currently in tech preview)

          (Yes, No) [No]: Yes

[ INFO  ] ovirt-provider-ovn already installed, skipping.

From: Benny Zlotnik <bzlotnik@redhat.com>
Sent: Monday, September 13, 2021 9:20 PM
To: Tommy Sway <sz_cuitao@163.com>
Cc: users <users@ovirt.org>
Subject: Re: [ovirt-users] what kind of managed block can oVirt manage ?

cinderlib (Managed Block Storage) does not use openstack at all, we have an example of how to add ceph in the feature page[1]

and docs have instructions on how to set it up[2]

[1] https://www.ovirt.org/develop/release-management/features/storage/cinderlib-integration.html

[2] https://www.ovirt.org/documentation/installing_ovirt_as_a_standalone_manager_with_local_databases/#Set_up_Cinderlib

On Mon, Sep 13, 2021 at 2:43 PM Tommy Sway <sz_cuitao@163.com> wrote:

You mean to configure ceph in Cinder pages must be connected to real openstack?

Can ceph be connected to a Managed Block page by simply linking to cenderlib files without accessing the actual openstack?

I am very interested in this section, can you send some related guide documents?

Thank you very much!

From: Benny Zlotnik <bzlotnik@redhat.com>
Sent: Monday, September 13, 2021 7:27 PM
To: Tommy Sway <sz_cuitao@163.com>
Cc: users <users@ovirt.org>
Subject: Re: [ovirt-users] what kind of managed block can oVirt manage ?

cinder uses an actual openstack environment setup with cinder, cinderlib does not require it

On Mon, Sep 13, 2021 at 2:17 PM Tommy Sway <sz_cuitao@163.com> wrote:

What's the difference between cender page and Managed Block page ？

If  have to connect them through cinderlib，why not put them all under cinder page ？

From: Benny Zlotnik <bzlotnik@redhat.com>
Sent: Monday, September 13, 2021 6:14 PM
To: Tommy Sway <sz_cuitao@163.com>
Cc: users <users@ovirt.org>
Subject: Re: [ovirt-users] what kind of managed block can oVirt manage ?

yes, we support ceph via cinderlib, so in theory any vendor with a storage driver for cinder can work, but we only test ceph

On Mon, Sep 13, 2021 at 1:06 PM Tommy Sway <sz_cuitao@163.com> wrote:

On the create disk page, there is option to create disk that is from managed block, I want wo know what’s kind of it ?  Ceph block device ?

Thanks!

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