[ovirt-users] Re: Latest ManagedBlockDevice documentation

Not sure about this, adding +Yedidyah Bar David On Wed, Sep 30, 2020 at 3:04 PM Michael Thomas <wart(a)caltech.edu&gt; wrote: > > I hadn't installed the necessary packages when the engine was first > installed. > > However, running 'engine-setup --reconfigure-optional-components' > doesn't work at the moment because (by design) my engine does not have a > network route outside of the cluster. It fails with: > > [ INFO ] DNF Errors during downloading metadata for repository 'AppStream': > - Curl error (7): Couldn't connect to server for > http://mirrorlist.centos.org/?release=8&arch=x86_64&repo=AppStrea... > [Failed to connect to mirrorlist.centos.org port 80: Network is unreachable] > [ ERROR ] DNF Failed to download metadata for repo 'AppStream': Cannot > prepare internal mirrorlist: Curl error (7): Couldn't connect to server > for > http://mirrorlist.centos.org/?release=8&arch=x86_64&repo=AppStrea... > [Failed to connect to mirrorlist.centos.org port 80: Network is unreachable] > > > I have a proxy set in the engine's /etc/dnf/dnf.conf, but it doesn't > seem to be obeyed when running engine-setup. Is there another way that > I can get engine-setup to use a proxy?

> > --Mike > > > On 9/30/20 2:19 AM, Benny Zlotnik wrote: > > When you ran `engine-setup` did you enable cinderlib preview (it will > > not be enabled by default)? > > It should handle the creation of the database automatically, if you > > didn't you can enable it by running: > > `engine-setup --reconfigure-optional-components` > > > > > > On Wed, Sep 30, 2020 at 1:58 AM Michael Thomas <wart(a)caltech.edu&gt; wrote: > >> > >> Hi Benny, > >> > >> Thanks for the confirmation. I've installed openstack-ussuri and ceph > >> Octopus. Then I tried using these instructions, as well as the deep > >> dive that Eyal has posted at https://www.youtube.com/watch?v=F3JttBkjsX8. > >> > >> I've done this a couple of times, and each time the engine fails when I > >> try to add the new managed block storage domain. The error on the > >> screen indicates that it can't connect to the cinder database. The > >> error in the engine log is: > >> > >> 2020-09-29 17:02:11,859-05 WARN > >> [org.ovirt.engine.core.bll.storage.domain.AddManagedBlockStorageDomainCommand] > >> (default task-2) [d519088c-7956-4078-b5cf-156e5b3f1e59] Validation of > >> action 'AddManagedBlockStorageDomain' failed for user > >> admin@internal-authz. Reasons: > >> VAR__TYPE__STORAGE__DOMAIN,VAR__ACTION__ADD,ACTION_TYPE_FAILED_CINDERLIB_DATA_BASE_REQUIRED,ACTION_TYPE_FAILED_CINDERLIB_DATA_BASE_REQUIRED > >> > >> I had created the db on the engine with this command: > >> > >> su - postgres -c "psql -d template1 -c \"create database cinder owner > >> engine template template0 encoding 'UTF8' lc_collate 'en_US.UTF-8' > >> lc_ctype 'en_US.UTF-8';\"" > >> > >> ...and added the following to the end of /var/lib/pgsql/data/pg_hba.conf: > >> > >> host cinder engine ::0/0 md5 > >> host cinder engine 0.0.0.0/0 md5 > >> > >> Is there anywhere else I should look to find out what may have gone wrong? > >> > >> --Mike > >> > >> On 9/29/20 3:34 PM, Benny Zlotnik wrote: > >>> The feature is currently in tech preview, but it's being worked on. > >>> The feature page is outdated, but I believe this is what most users > >>> in the mailing list were using. We held off on updating it because the > >>> installation instructions have been a moving target, but it is more > >>> stable now and I will update it soon. > >>> > >>> Specifically speaking, the openstack version should be updated to > >>> train (it is likely ussuri works fine too, but I haven't tried it) and > >>> cinderlib has an RPM now (python3-cinderlib)[1], so it can be > >>> installed instead of using pip, same goes for os-brick. The rest of > >>> the information is valid. > >>> > >>> > >>> [1] http://mirror.centos.org/centos/8/cloud/x86_64/openstack-ussuri/Packages/p/ > >>> > >>> On Tue, Sep 29, 2020 at 10:37 PM Michael Thomas <wart(a)caltech.edu&gt; wrote: > >>>> > >>>> I'm looking for the latest documentation for setting up a Managed Block > >>>> Device storage domain so that I can move some of my VM images to ceph rbd. > >>>> > >>>> I found this: > >>>> > >>>> https://ovirt.org/develop/release-management/features/storage/cinderlib-i... > >>>> > >>>> ...but it has a big note at the top that it is "...not user > >>>> documentation and should not be treated as such." > >>>> > >>>> The oVirt administration guide[1] does not talk about managed block devices. > >>>> > >>>> I've found a few mailing list threads that discuss people setting up a > >>>> Managed Block Device with ceph, but didn't see any links to > >>>> documentation steps that folks were following. > >>>> > >>>> Is the Managed Block Storage domain a supported feature in oVirt 4.4.2, > >>>> and if so, where is the documentation for using it? > >>>> > >>>> --Mike > >>>> [1]ovirt.org/documentation/administration_guide/ > >>>> _______________________________________________ > >>>> Users mailing list -- users(a)ovirt.org > >>>> To unsubscribe send an email to users-leave(a)ovirt.org > >>>> Privacy Statement: https://www.ovirt.org/privacy-policy.html > >>>> oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ > >>>> List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/KHCLXVOCELH... > >>> > >> > > >