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Bug 2227233 - pcs does not prevent disabling ATB when it can break SBD
Summary: pcs does not prevent disabling ATB when it can break SBD
Keywords:
Status: CLOSED MIGRATED
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: pcs
Version: 8.0
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: rc
: 8.10
Assignee: Peter Romancik
QA Contact: cluster-qe
URL:
Whiteboard:
Depends On: 2227230
Blocks:
TreeView+ depends on / blocked
 
Reported: 2023-07-28 13:00 UTC by Tomas Jelinek
Modified: 2023-09-22 20:27 UTC (History)
7 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Cause: User tries to disable auto_tie_breaker when it is needed due to sbd Consequence: auto_tie_breaker is disabled despite it being needed by sbd Fix: Fixed check to see if auto_tie_breaker is needed when updating quorum options Result: Error message is shown in case user tries to disable auto_tie_breaker when it is needed due to sbd
Clone Of: 2227230
Environment:
Last Closed: 2023-09-22 20:27:29 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker   RHEL-7731 0 None Migrated None 2023-09-22 20:27:26 UTC
Red Hat Issue Tracker RHELPLAN-163766 0 None None None 2023-07-28 13:02:17 UTC

Description Tomas Jelinek 2023-07-28 13:00:09 UTC 
+++ This bug was initially created as a clone of Bug #2227230 +++

Description of problem:
When SBD with no disks is enabled in a cluster with even numerb of nodes, auto_tie_breaker must be enabled in orded for SBD to work correctly. Pcs should prevent disabling auto_tie_breaker in this case.


Version-Release number of selected component (if applicable):
pcs-0.10.17-1.el8


How reproducible:
always, easily


Steps to Reproduce:
1. create a cluster with two nodes
2. enable SBD: 'pcs stonith sbd enable'
3. try to disable ATB: 


Actual results:
In step 2, pcs informs the user that ATB must be enabled. Yet, in step 3, pcs is fine with disabling ATB.


Expected results:
Pcs prevents disabling SBD in step 3.
Comment 2 Peter Romancik 2023-08-30 10:53:52 UTC 
Upstream commit: https://github.com/ClusterLabs/pcs/commit/d79e7145896c73c32cff6b69b09ddd1f369f158b

Updated commands:
  * pcs quorum update

Test Environment: a cluster with enabled sbd with no disks, even number of nodes in the cluster

Test:
# pcs quorum update auto_tie_breaker=0
Error: Unable to disable auto_tie_breaker, SBD fencing would have no effect, use --force to override
Error: Errors have occurred, therefore pcs is unable to continue
Comment 3 RHEL Program Management 2023-09-22 20:25:13 UTC 
Issue migration from Bugzilla to Jira is in process at this time. This will be the last message in Jira copied from the Bugzilla bug.
Comment 4 RHEL Program Management 2023-09-22 20:27:29 UTC 
This BZ has been automatically migrated to the issues.redhat.com Red Hat Issue Tracker. All future work related to this report will be managed there.

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