[ovirt-users] Re: OVirt Engine Server Died - Steps for Rebuilding the Ovirt Engine System
On Fri, Dec 20, 2019 at 8:55 PM wrote: > > Full disclosure here.I am not an Ovirt Expert. I am a network Engineer > that has been forced to take over sysadmin duties for a departed co-worker. I > have little experience with Ovirt so apologies up front for anything I say > that comes across as stupid or "RTM" questions. Normally I would do just that > but I am in a bind and am trying to figure this out quickly. We have an OVirt > installation setup that consists of 4 nodes and a server that hosts the > ovirt-engine all running CentOS 7. The server that hosts the engine has a > pair of failing hard drives and I need to replace the hardware ASAP. Need to > outline the steps needed to build a new server to serve as and replace the > ovirt engine server. I have backed up the entire /etc directory and the > backups being done nightly by the engine itself. Which nightly backups? Do they run engine-backup? > I also backed up the iscsi info and took a printout of all the disk > arrangement . The disk has gotten so bad at this point that the DB won't back > up any longer. Get fatal:backup failed error when > trying to run the ovirt backup tool. Also the Ovirt management site is not > rendering and I am not sure why. > > Is there anything else I need to make sure I backup in order to migrate the > engine from one server to another? Generally speaking, if you used engine-backup for backups, it should be enough - it backs up all it needs from /etc. If you didn't use that, /etc won't be enough. You also need a database backup. If you do not have a backup of the database, you'll need to create a new engine from scratch. You can then import the existing storage domains and add the hosts. This will require downtime, and you'll loose some stuff, so if you do have an engine-backup backup, better use that. In either case, assuming this is a production env, I suggest to first test on a separate env to see how it all looks like. > Also, until I can get the engine running again, is there any tool available > to manage the VMs on the hosts themselves. The VMs on the hosts are running > but need a way to manage them if needed in case something happens while the > engine is being repaired. Some management is possible via cockpit. It's much less than what the engine allows. If you search the list archives, you can find suggestions by people to directly use libvirt/virsh after poking a bit inside your storage domain. I'd not recommend doing that, unless you know very well what you are doing and have no other solution (e.g. if storage is corrupted enough so that import to a new engine fails). > Any info on this as well as what to backup and the steps to move the engine > from one server to another would be much much appreciated. You can search the site for backup, restore, and import storage domain, and should find the relevant pages. Please note that the pages under /develop are written during development and are usually not updated after a feature is complete. The official documentation is under /documentation. That, in turn, is often outdated as well :-(. You can use RHV docs in addition. These are more up-to-date and should be 99% applicable to oVirt. > Sorry I know this a real RTM type post but I am in a bind and need a solution > rather quickly. Thanks in advance. Good luck! -- Didi ___ Users mailing list -- users@ovirt.org To unsubscribe send an email to users-le...@ovirt.org Privacy Statement: https://www.ovirt.org/site/privacy-policy/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/FU4AIR7SCTQOQRWLPLPUH5XHDXYI4DD7/
[ovirt-users] Re: iSCSI connections and storage put into maintenance
On Fri, Dec 20, 2019 at 10:24 PM Strahil Nikolov wrote: > Based on my Gluster setup, > I have noticed that setting the storage domain into maintenance , just > umounts the storage on all hosts. > It also doesn't stop the gluster volume , so I do not expect the same for > the iSCSI. > > Thanks for sharing this similar kind of behavior with Gluster. > I guess you can set it to maintenance and then manually logout the 2 hosts. > Then , when you start it - it should login and mount the storage. > > Yes, this was my idea too, but I wasn't sure about possible side effects during re-activation or normal workflow, so I asked if this is expected when you put a storage domain into maintenance. Gianluca ___ Users mailing list -- users@ovirt.org To unsubscribe send an email to users-le...@ovirt.org Privacy Statement: https://www.ovirt.org/site/privacy-policy/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/CT67KJWR2WPGD3YRMHSYOJCALCTOELN6/
[ovirt-users] Re: No virtio-win vfd oVirt 4.3.7
On Thu, Dec 19, 2019, 17:29 Vrgotic, Marko wrote: > Dear oVIrt, > > > > I am trying to install Windows 10 on oVirt, following procedure on: > > > https://www.ovirt.org/documentation/vmm-guide/chap-Installing_Windows_Virtual_Machines.html > > > > Unfortunately, there is no option as explained in the “Installing Windows > on VirtIO-Optimized Hardware”. > > > > There is just no “*virtio-win.vfd” *option when attaching Floppy. Is this > valid. > > > > I have ISO Domain, which is not hosted by Hosted Engine, but mounte > additionally. Is this required in order to have the virtio-win.vfd option? > You need to upload the vfd file at the ISO domain that is managed from engine. > > > If not, please let me know what am I missing. > > In the meanwhile, I am working on building custom Wind 10 ISO which > contains Virtio/Virtio-SCSI drivers. > > > > Kindly awaiting your reply. > > > > > > > > - > > kind regards/met vrindelijke groet > > > > Marko Vrgotic > Sr. System Engineer @ System Administration > > > ActiveVideo > > *o: *+31 (35) 6774131 > > *e:* m.vrgo...@activevideo.com > *w: *www.activevideo.com > > > > ActiveVideo Networks BV. Mediacentrum 3745 Joop van den Endeplein 1.1217 > WJ Hilversum, The Netherlands. The information contained in this message > may be legally privileged and confidential. It is intended to be read only > by the individual or entity to whom it is addressed or by their designee. > If the reader of this message is not the intended recipient, you are on > notice that any distribution of this message, in any form, is strictly > prohibited. If you have received this message in error, please immediately > notify the sender and/or ActiveVideo Networks, LLC by telephone at +1 > 408.931.9200 and delete or destroy any copy of this message. > > > > > ___ > Users mailing list -- users@ovirt.org > To unsubscribe send an email to users-le...@ovirt.org > Privacy Statement: https://www.ovirt.org/site/privacy-policy/ > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/3UYBO73SHPRHQ7DPOTGAJXS5NPA33TOK/ > ___ Users mailing list -- users@ovirt.org To unsubscribe send an email to users-le...@ovirt.org Privacy Statement: https://www.ovirt.org/site/privacy-policy/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/3D7QH7QG2TBXBSSDVGJNM5NTQZBO7BBH/
