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Bug 1734506

Summary: [Beta 2 docs] Add information for customer how not to colocate ceph-mgr and grafana when deploying with ceph-ansible
Product: [Red Hat Storage] Red Hat Ceph Storage Reporter: khartsoe <khartsoe>
Component: DocumentationAssignee: Ranjini M N <rmandyam>
Status: CLOSED CURRENTRELEASE QA Contact: Madhavi Kasturi <mkasturi>
Severity: urgent Docs Contact:
Priority: unspecified    
Version: 4.0CC: asriram, assingh, epuertat, jbrier, kdreyer, mkasturi, rmandyam
Target Milestone: rc   
Target Release: 4.0   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
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Clone Of: Environment:
Last Closed: 2020-03-09 15:23:24 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1708370    

Description khartsoe@redhat.com 2019-07-30 17:50:33 UTC 
Description of problem:
Per engineering, a node (hostname/IP) has to be added to the inventory under the [grafana-server] group when deloying with ceph-ansible, otherwise, the run will end up with the following error: "you must add a [grafana-server] group and add at least one node." or if the group is defined but empty: "you must add at least one node in the [grafana-server] hosts group"



Version-Release number of selected component (if applicable):
4.0 beta 2 drop (v4.0.0rc13)

How reproducible:


Steps to Reproduce:
1.
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Actual results:
Customer receives error: "you must add a [grafana-server] group and add at least one node." or if the group is defined but empty: "you must add at least one node in the [grafana-server] hosts group"

Expected results:
Dashboard is deployed without error.

Additional info:
Customers should avoid colocating ceph-mgr and grafana when deploying with ceph-ansible. To prevent this situation, the following text should be added as a prereq to section 5.2: 

"Before installing with ceph-ansible, edit the inventory file and specify a node (hostname or IP address) under the [grafana-server] group where the Grafana and Prometheus instance for the Dashboard will be installed."