Bug 2011294 - [DR] Volumes get stuck in split-brain after Failover Action is initiated
Summary: [DR] Volumes get stuck in split-brain after Failover Action is initiated
Keywords:
Status: CLOSED WORKSFORME
Alias: None
Product: Red Hat OpenShift Data Foundation
Classification: Red Hat Storage
Component: odf-dr
Version: 4.9
Hardware: Unspecified
OS: Unspecified
unspecified
high
Target Milestone: ---
: ---
Assignee: Madhu Rajanna
QA Contact: Elad
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-10-06 11:11 UTC by Pratik Surve
Modified: 2023-08-09 17:00 UTC (History)
13 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2022-03-08 13:16:28 UTC
Embargoed:


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Description Pratik Surve 2021-10-06 11:11:42 UTC
Description of problem (please be detailed as possible and provide log
snippests):

[DR] Volumes get stuck in split-brain after Failover Action is initiated 

Version of all relevant components (if applicable):

ODF:- odr-cluster-operator.v4.9.0-164.ci
OCP:- 4.9.0-0.nightly-2021-10-01-202059


Does this issue impact your ability to continue to work with the product
(please explain in detail what is the user impact)?

yes

Is there any workaround available to the best of your knowledge?


Rate from 1 - 5 the complexity of the scenario you performed that caused this
bug (1 - very simple, 5 - very complex)?

2

Can this issue reproducible?

yes

Can this issue reproduce from the UI?


If this is a regression, please provide more details to justify this:


Steps to Reproduce:
1. Deploy DR Over 2 OCP cluster 
2. Deploy App 
3. Perform the failover action 


Actual results:

rbd images are in a Split-brain state after failover 



Expected results:

There should not be any split-brain case


Additional info:

rbd image satus

{
  "lastChecked": "2021-10-06T06:21:49Z",
  "summary": {
    "daemon_health": "OK",
    "health": "ERROR",
    "image_health": "ERROR",
    "states": {
      "error": 6
    }
  }
}


bash-4.4$ rbd mirror image  status ocs-storagecluster-cephblockpool/csi-vol-e21a2369-25e1-11ec-94bc-0a580a8301c5 
csi-vol-e21a2369-25e1-11ec-94bc-0a580a8301c5:
  global_id:   b8bb1ba4-7d03-4a88-aa57-2424112aa2b0
  state:       up+error
  description: split-brain
  service:     a on vmware-dccp-one-f84rh-worker-hkg99
  last_update: 2021-10-06 06:22:04
  peer_sites:
    name: afc6aaac-199c-472e-bf35-390eb2799b3e
    state: up+stopped
    description: local image is primary
    last_update: 2021-10-06 06:21:44

Comment 12 Mudit Agarwal 2021-10-14 14:43:27 UTC
Not a blocker as it is not reproducible.

Comment 13 Elad 2021-10-19 08:07:11 UTC
Although not a test blocker, we should try fixing this for 4.9.

Comment 15 Elad 2021-11-09 15:31:35 UTC
Ok, since this is not repro'd, removing the blocker flag. Will revert in case seen again

Comment 16 Mudit Agarwal 2022-03-08 13:16:28 UTC
Not a blocker and not reproducible. Please reopen if this is seen again.


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