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MGMT-14374: update day2 master docs #5335

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Jul 4, 2023
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MGMT-14374: update day2 master docs #5335

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8 changes: 6 additions & 2 deletions docs/user-guide/day2-master/411-healthy.md
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Expand Up @@ -83,6 +83,8 @@ spec:
namespace: openshift-machine-api
```

Apply those changes using `oc apply -f <filename>`

### Add Machine object

In the CR below you need to use the BMH's name from above in the `.metadata.annotations`. The cluster name under `.metadata.labels` needs to be correct. You can get it by looking at the output of e.g. `oc get machine -A`. The `.metadata.name` does not have to be the same as the name of BMH above, but for simplicity you can use the same name.
Expand Down Expand Up @@ -122,12 +124,14 @@ spec:
name: master-user-data-managed
```

Apply those changes using `oc apply -f <filename>`

### Link BMH and Machine and Node using the magic script

We need the Machine object to have the IP of the Node in its `.status` field. This is because of how etcd-operator accepts members of the cluster. In order to achieve that, a link between BareMetalHost, Machine and Node is needed. The script below takes care of it:

```
# bash link-machine-and-node.sh custom-master3-2 extraworker-5
# bash link-machine-and-node.sh custom-master3-chocobomb extraworker-5
```

## Confirm members of etcd
Expand Down Expand Up @@ -245,7 +249,7 @@ Confirm the Machine is unhealthy:
```
[root@test1001 ~]# oc get machine -A
NAMESPACE NAME PHASE TYPE REGION ZONE AGE
openshift-machine-api custom-master3-2 Running 14h
openshift-machine-api custom-master3-chocobomb Running 14h
openshift-machine-api test-day2-1-6qv96-master-0 Failed 20h
openshift-machine-api test-day2-1-6qv96-master-1 Running 20h
openshift-machine-api test-day2-1-6qv96-master-2 Running 20h
Expand Down