On March 17, 2020 10:57:09 PM GMT+02:00, Bob Franzke <[email protected]> wrote: >Greetings all, > > > >Full disclosure, complete OVIRT novice here. I inherited an OVIRT >system and >had a complete ovirt-engine back in December-January. Because of time >and my >inexperience with OVIRT, I had to resort to hiring consultants to >rebuild my >OVIRT engine from backups. That's a situation I never want to repeat. > > > >Anyway, we were able to piece it together and at least get most >functionality back. The previous setup had a ISO storage domain called >'ISO-COLO' that seems to have been hosted on the engine server itself. >The >engine hostname is 'mydesktop'. We restored the engine from backups I >had >taken of the SQL DB and various support files using the built in OVIRT >backup tool. > > > >So now when looking into the OVIRT console, I see the storage domain >listed. >It has a status of 'inactive' showing in the list of various storage >domains >we have setup for this. We tried to 'activate' it and it fails >activation. >The path listed for the domain is mydesktop:/gluster/colo-iso. On the >host >however there is no mountpoint that equates to that path: > > > >[root@mydesktop ~]# df -h > >Filesystem Size Used Avail Use% Mounted on > >devtmpfs 47G 0 47G 0% /dev > >tmpfs 47G 12K 47G 1% /dev/shm > >tmpfs 47G 131M 47G 1% /run > >tmpfs 47G 0 47G 0% /sys/fs/cgroup > >/dev/mapper/centos-root 50G 5.4G 45G 11% / > >/dev/sda2 1014M 185M 830M 19% /boot > >/dev/sda1 200M 12M 189M 6% /boot/efi > >/dev/mapper/centos-home 224G 15G 210G 7% /home > >tmpfs 9.3G 0 9.3G 0% /run/user/0 > > > >The original layout looked like this on the broken engine: > > > >[root@mydesktop ~]# df -h > >Filesystem Size Used Avail Use% Mounted on > >/dev/mapper/centos_mydesktop-root 50G 27G 20G 58% / > >devtmpfs 24G 0 24G 0% /dev > >tmpfs 24G 28K 24G 1% /dev/shm > >tmpfs 24G 42M 24G 1% /run > >tmpfs 24G 0 24G 0% >/sys/fs/cgroup > >/dev/mapper/centos_mydesktop-home 25G 45M 24G 1% /home > >/dev/sdc1 1014M 307M 708M 31% /boot > >/dev/mapper/centos_mydesktop-gluster 177G 127G 42G 76% /gluster > >tmpfs 4.7G 0 4.7G 0% /run/user/0 > > > >So it seems the orphaned storage domain is just point to a path that >does >not exist on the new Engine host. > > > >Also noticed some of the hosts are trying to aces this storage domain >and >getting errors: > > > >The error message for connection mydesktop:/gluster/colo-iso returned >by >VDSM was: Problem while trying to mount target > >3/17/2010:47:05 AM > > > >Failed to connect Host vm-host-colo-2 to the Storage Domains ISO-Colo. > >3/17/2010:47:05 AM > > > >So it seems hosts are trying to be connected to this storage domain but >cannot because its not there. Any of the files from the original path >are >not available so I am not even sure what we are missing if anything. > > > >So what are my options here. Destroy the current ISO domain and >recreate it, >or somehow provide the correct path on the engine server? Currently the >storage space I can use is mounted with /home, which is a different >path >than the original one. Not sure if anything can be done with the disk >layout >at this point to correct this on the engine server itself to get the >gluster >path back. Right now we cannot attach CDs to VMs for booting. No >choices >show up for use when doing a 'run once' on an existing VM so I would >like to >get this working so I can fix a broken VM that I need to boot off of >ISO >media. > > > >Thanks in advance for any help you can provide.
If you have NFS or Gluster based data domain - you can upload you ISOs there and you will be able to boot from those images. I would try to first find what backend was there. This '/gluster/colo-iso' indicates that there could be a gluster volume that could be used for storage. Best Regards, Strahil Nikolov _______________________________________________ Users mailing list -- [email protected] To unsubscribe send an email to [email protected] 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/[email protected]/message/B5UGM6YRQFDOVAZ7HD7HDCLBOFJ7WPM4/

