10:34 a.m.
Hello all,
New to the group, apologies for any poor information. I have a home lab
with a single host ovirt setup. I actually don't think I ever set it up
exactly right, the agent vm was never created, it was running on the host
server. But it ran and I had a handful of vm's running on it successfully.
I knew I had to rebuild it but was waiting for funds for extra hardware.
Then the other day I came home and could no longer access the web portal.
Could get to the login page but after entering my auth info it just hangs.
I'm honestly not even sure where to start. Does anyone know any good
troubleshooting docs? Or any idea what may be happening? I can see the VM
images and such in the proper folders so I don't think I have .lost
anything. But can't access any of the vm's now. Any help would be
appreciated.
Joe
2:10 p.m.
On March 8, 2020 5:34:30 PM GMT+02:00, Joe Sherman <joesherman1979(a)gmail.com>
wrote:
Hello all,
New to the group, apologies for any poor information. I have a home lab
with a single host ovirt setup. I actually don't think I ever set it up
exactly right, the agent vm was never created, it was running on the
host
server. But it ran and I had a handful of vm's running on it
successfully.
I knew I had to rebuild it but was waiting for funds for extra
hardware.
Then the other day I came home and could no longer access the web
portal.
Could get to the login page but after entering my auth info it just
hangs.
I'm honestly not even sure where to start. Does anyone know any good
troubleshooting docs? Or any idea what may be happening? I can see the
VM
images and such in the proper folders so I don't think I have .lost
anything. But can't access any of the vm's now. Any help would be
appreciated.
Joe
Hey Joe,
Welcome to the mailing list.
As you don't use the hosted infrastucture , you will need to sort some stuff for
yourself.
First step, check if the HostedEngine VM is alive - use ping and then try with ssh.
If you manage to get in -> restart the 'ovirt-engine.service'.
Wait 30-40s and try to access the web UI.
Otherwise, you can reboot the whole VM and check what is going on.
Best Regards,
Strahil Nikolov
2:47 p.m.
Thank you for the reply. When it was first setup I messed up and didn't create the
HostedEngine VM. Instead the engine is installed on the host. This is wrong, I know, but
it had worked for a while. Now it is not. At this point if I could figure out how to load
the images in a straight KVM setup I would be ok. But I don't understand the drive
image format. I believe I have found the drive images but the file names are just guids.
Is this just standard img format with no file extension? Can I just load these files as
disk images in KVM? I am working on backing it all up now so I can begin to try things.
I did check and the ovirt-engine service is started on the host without error.
BTW. This is on centos 7.
Thank you for any help you have.
3:50 p.m.
On March 8, 2020 9:47:10 PM GMT+02:00, joesherman1979(a)gmail.com wrote:
Thank you for the reply. When it was first setup I messed up and
didn't
create the HostedEngine VM. Instead the engine is installed on the
host. This is wrong, I know, but it had worked for a while. Now it is
not. At this point if I could figure out how to load the images in a
straight KVM setup I would be ok. But I don't understand the drive
image format. I believe I have found the drive images but the file
names are just guids. Is this just standard img format with no file
extension? Can I just load these files as disk images in KVM? I am
working on backing it all up now so I can begin to try things.
I did check and the ovirt-engine service is started on the host without
error.
BTW. This is on centos 7.
Thank you for any help you have.
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As the HostedEngine has a internal database and oVirt was planned to support thousands of
VMs , the only way to have unique names is via the uids.
They are just simple KVM disks.
You can always run 'qemu-img info <long uid> to get information about the disk.
If you want to control the VMs without the engine (as it currently doesn't work
peoperly).
You need to:
1. Find the VM's xml in the vdsm.log and save it in a separate file
2. Define this alias on the host:
alias virsh='virsh -c
qemu:///system?authfile=/etc/ovirt-hosted-engine/virsh_auth.conf'
3. Define the VM via:
virsh define <file_from_step1>
4. Try to start the VM:
virsh start VM
Keep in mind that you might need to :
A) create symbolic links for the storage domains (this is specific to storage type and
your custom installation) - the error will be in the libvirt log
B) define the ovirtmgmt or another network.
P.S.: It will be nice if you leave aome old e-mails in your reply, as it isbhard tracking
what was already discussed or what was refferenced before.
Best Regards,
Strahil Nikolov
5:49 p.m.
Sorry about the email include. I'll do my best to leave it out from now on.
If they are just normal disks then o really should just be able to transport them to
another kvm machine, import the disks into a VM and use them, right?
6:24 p.m.
On March 9, 2020 12:49:55 AM GMT+02:00, joesherman1979(a)gmail.com wrote:
Sorry about the email include. I'll do my best to leave it out
from now
on.
If they are just normal disks then o really should just be able to
transport them to another kvm machine, import the disks into a VM and
use them, right?
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Yes,
But you need the VM's definition (the xml that is visible in the vdsm.log during power
up), or you will have to create it manually.
Actually, oVirt is the management part with KVM /we should not forget qemu/ for
hypervisor.
You do not need to move them - just define the VMs via virsh and you are good to go.
Best Regards,
Strahil Nikolov
1517
days inactive
1517
days old
5 comments
3 participants
participants (3)
-
Joe Sherman -
joesherman1979＠gmail.com
-
Strahil Nikolov