ungleich-k8s/archive/v3/kubevirt/README.md

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2021-06-07 20:50:19 +00:00
## Host tunings
To fix
```
"component":"virt-handler","level":"error","msg":"Error starting tun
device plugin","pos":"device_controller.go:73","reason":"failed to add
the device root path to the watcher: no such file or
directory","timestamp":"2021-06-07T20:15:48.557412Z"
```
use
```
modprobe tun
```
To fix
```
Warning FailedScheduling 67s (x2 over 69s) default-scheduler 0/4
nodes are available: 1 node(s) had taint
{node-role.kubernetes.io/master: }, that the pod didn't tolerate, 3
Insufficient devices.kubevirt.io/vhost-net.
```
```
modprobe vhost_net
```
## Failing to create tap devices
```
failed to configure vmi network: Critical network error: error
creating tap device named tap0; failed to create tap device tap0: exit
status 1
```
2021-06-08 07:08:57 +00:00
Unknown reason. Encountered in kubevirt v0.35.0.
2021-06-15 22:49:07 +00:00
## Things to clarify
- re-using images
- letting users upload images
- cloud init (??)
- terraform?
- reschedule (IPs?)
- live migration