On Tue, Nov 6, 2018 at 4:16 PM Jarosław Prokopowski <jprokopow...@gmail.com>
wrote:
> Hi,
>
> It looks like after host restart my hosted engine VM is not accessible any
> more.
> The storage is glusterfs. The gluster volume is healthy.
>
>
> The VM status is:
> {"reason": "failed liveliness check", "health": "bad", "vm": "up",
> "detail": "Up"}
>
> hosted-engine --console
> The engine VM is running on this host
> Connected to domain HostedEngine
> Escape character is ^]
> error: internal error: cannot find character device <null>
>
The serial console requires a correctly working systemd instance on guest
side to spawn a getty process on tty connections.
VNC console seams more reliable/useful for troubleshooting activities on
systems that fails the boot process.
I'd suggest to try:
hosted-engine --add-console-password
to force a temporary VNC password and then connect it with a VNC client.
> I tried to boot it from cdrom by changing vm.conf file and I'm not sure if
> the syntax is correct:
> 1. I removed bootOrder:1 from the index:0 device
>
> devices={index:0,iface:virtio,format:raw,address:{type:pci,slot:0x07,bus:0x00,domain:0x0000,function:0x0},volumeID:8d823e33-4260-4004-a468-cf477d7b1f5b,imageID:41342181-5c8f-4544-878b-44fdaa40dddc,readonly:false,domainID:beb954e7-61b7-4437-bd21-4b268e1a26e5,deviceId:41342181-5c8f-4544-878b-44fdaa40dddc,poolID:00000000-0000-0000-0000-000000000000,device:disk,shared:exclusive,propagateErrors:off,type:disk}
>
> 2. in index:2 device I addedd bootOrder:1 and path to the iso image:
>
> devices={index:2,iface:ide,shared:false,readonly:true,bootOrder:1,deviceId:8c3179ac-b322-4f5c-9449-c52e3665e0ae,address:{controller:0,target:0,unit:0,bus:1,type:drive},device:cdrom,path:/opt/iso/CentOS-7-x86_64-DVD-1804.iso,type:disk}
>
>
> The outcome is the same - no console connection.
>
> Now I also get:
>
> hosted-engine --vm-start
> Command VM.getStats with args {'vmID':
> '1e3aa9cf-8708-40a0-bc86-1127df01047a'} failed:
> (code=1, message=Virtual machine does not exist: {'vmId':
> u'1e3aa9cf-8708-40a0-bc86-1127df01047a'})
>
> Unfortunately I do not have any backup. Is there a way to redeploy hosted
> engine and import current configuration or any other way to fix it?
>
My first advice is to try fixing it via VNC connection.
If not feasible, we now have an ansible procedure to automatically redeploy
hosted-engine restoring a backup on the fly but you still need a backup
took with engine-backup.
Last option is to deploy a new engine instance; shutdown all the VMs at
guest level and try importing other storage domains from the new engine.
>
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