Hi Thierry.
On 07.04.20 22:16, thierry.leurent wrote:
Hi All,
I'm trying to install OKD on my infrastrucutre. But I have some questions.
The Goal.
In a first step, I would like have a all-in-one.
In a second step, I would like add 2 nodes.
The Infrastrucutre.
RHEL 7 Servers with docker from the official reopository.
Do you have OpenShift subscriptions?
I ask because you have RHEL.
So I have 4 Hosts :
- Dok001a : The Master/First Node.
- Dok001b : The Second Node.
- Dok001c : The Third Node.
- NFS666a : The NFS server.
What I try.
To install :
- Using openshift-ansible. I have trouble with cgroup between kubectl and
docker. And I'm a beginer with Ansible.
What trouble do you have?
What's the ouput from a ansible run?
Have you followed the docs?
https://docs.okd.io/3.11/install/index.html
- Using oc cluster up :
- I use oc from /pub/openshift-v4/clients/oc/latest/linux
What's the full URL?
- When I make oc version, I get :
oc v3.11.0+62803d0-1
kubernetes v1.11.0+d4cacc0
features: Basic-Auth GSSAPI Kerberos SPNEGO
Do you want to install OKD or OCP because for OKD is a version 4 not released?
To configure :
- An LDAP acces.
Have you seen the docs for the config.
https://docs.okd.io/3.11/install_config/configuring_authentication.html#LDAPPasswordIdentityProvider
Questions:
- After I try to install it using Ansible, I see an export file with
"/exports/registry" *(rw,root_squash)
That's the registry storage.
https://docs.okd.io/3.11/install_config/registry/index.html
"/exports/metrics" *(rw,root_squash)
That's the metrics storage.
https://docs.okd.io/3.11/install_config/cluster_metrics.html
"/exports/logging-es" *(rw,root_squash)
"/exports/logging-es-ops" *(rw,root_squash)
That the elasticsearch stroage
https://docs.okd.io/3.11/install_config/aggregate_logging.html
"/exports/etcd" *(rw,root_squash)
That's the etcd storage.
I have a DO180 Redhat book and I don't see it.
If this is what you have then it looks to me that it does not explain the
Installation of OpenShift.
https://www.redhat.com/en/services/training/do180-introduction-containers-kubernetes-red-hat-openshift
Maybe the following courses can help you to understand the System part of
OpenShift,
DO280,DO281,DO285
https://www.redhat.com/en/services/training/all-courses-exams?f%5B0%5D=taxonomy_courses_by_curriculum%3AOpenShift
> Why use this and wich size I must provide for this "disk" ?
It is generally not recommend to use NFS for some parts of OpenShift. Please
take a
look into the docs for the components to see if NFS is recommend or not
- What the differences between :
- Openshift.
That's the general name for all OpenShift flavors.
- Openshift Origin.
The OpenShift Open Source Version.
- OKD.
Renaming of OpenShift Origin.
https://www.okd.io/#v3
- Minishift.
Local running OKD
https://www.okd.io/minishift/
- What is the best version to use ?
I would recommend OCP (OpenShift Container Platform) 4.x. That's the commercial
version of OpenShift.
- For OKD, how to update it to 4.4 .
New installation and deploy the apps on 4
Thanks,
Thierry
Hth
Aleks
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