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Bug 1832914 - pcs status on remotes is not working on rhel8.2 any longer [rhel-8.2.0.z]
Summary: pcs status on remotes is not working on rhel8.2 any longer [rhel-8.2.0.z]
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: pcs
Version: 8.2
Hardware: Unspecified
OS: Unspecified
high
medium
Target Milestone: rc
: 8.0
Assignee: Tomas Jelinek
QA Contact: cluster-qe@redhat.com
URL:
Whiteboard:
Depends On: 1830552
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-05-07 13:21 UTC by RHEL Program Management Team
Modified: 2022-04-07 09:13 UTC (History)
9 users (show)

Fixed In Version: pcs-0.10.4-6.el8_2.1
Doc Type: Bug Fix
Doc Text:
Cause: User runs 'pcs status' on a remote node. Consequence: Pcs exits with an error complaining corosync.conf is missing. This is wrong as corosync.conf is expected to be missing on remote nodes. Fix: If corosync.conf is missing, read cluster name from CIB instead of corosync.conf. Gracefully skip obtaining and displaying information which depend on corosync.conf presence. Result: The 'pcs status' command works on remote nodes.
Clone Of: 1830552
Environment:
Last Closed: 2020-06-10 14:35:03 UTC
Type: ---
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
proposed fix + tests (11.95 KB, patch)
2020-05-28 08:58 UTC, Miroslav Lisik 		no flags Details | Diff
View All


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker RHELPLAN-42701 0 None None None 2022-04-07 09:13:22 UTC
Red Hat Product Errata RHSA-2020:2462 0 None None None 2020-06-10 14:35:17 UTC

Comment 1 Miroslav Lisik 2020-05-28 08:58:13 UTC 
Created attachment 1692983 [details]
proposed fix + tests
Comment 2 Miroslav Lisik 2020-05-28 10:23:16 UTC 
Test:

[root@virt-123 ~]# rpm -q pcs
pcs-0.10.4-6.el8_2.1.x86_64

Install pacemaker-remote package on the remote node.

[root@virt-138 ~]# dnf install -y -q pacemaker-remote
[root@virt-138 ~]# systemctl start pcsd
[root@virt-138 ~]# rpm -q pcs
pcs-0.10.4-6.el8_2.1.x86_64

Add remote node to the cluster:

[root@virt-123 ~]# pcs status nodes
Pacemaker Nodes:
 Online: virt-123 virt-124
 Standby:
 Standby with resource(s) running:
 Maintenance:
 Offline:
Pacemaker Remote Nodes:
 Online:
 Standby:
 Standby with resource(s) running:
 Maintenance:
 Offline:

[root@virt-123 ~]# pcs host auth -u hacluster virt-138
Password: 
virt-138: Authorized

[root@virt-123 ~]# pcs cluster node add-remote virt-138
No addresses specified for host 'virt-138', using 'virt-138'
Sending 'pacemaker authkey' to 'virt-138'
virt-138: successful distribution of the file 'pacemaker authkey'
Requesting 'pacemaker_remote enable', 'pacemaker_remote start' on 'virt-138'
virt-138: successful run of 'pacemaker_remote enable'
virt-138: successful run of 'pacemaker_remote start'
[root@virt-123 ~]# pcs status nodes
Pacemaker Nodes:
 Online: virt-123 virt-124
 Standby:
 Standby with resource(s) running:
 Maintenance:
 Offline:
Pacemaker Remote Nodes:
 Online: virt-138
 Standby:
 Standby with resource(s) running:
 Maintenance:
 Offline:

Run 'pcs status' on the remote node:

[root@virt-138 ~]# pcs status
Cluster name: STSRHTS1758
Cluster Summary:
  * Stack: corosync
  * Current DC: virt-123 (version 2.0.3-5.el8_2.1-4b1f869f0f) - partition with quorum
  * Last updated: Thu May 28 12:13:57 2020
  * Last change:  Thu May 28 12:12:57 2020 by root via cibadmin on virt-123
  * 3 nodes configured
  * 3 resource instances configured

Node List:
  * Online: [ virt-123 virt-124 ]
  * RemoteOnline: [ virt-138 ]

Full List of Resources:
  * fence-virt-123      (stonith:fence_xvm):    Started virt-124
  * fence-virt-124      (stonith:fence_xvm):    Started virt-124
  * virt-138    (ocf::pacemaker:remote):        Started virt-123

Daemon Status:
  corosync: inactive/disabled
  pacemaker: inactive/disabled
  pacemaker_remote: active/enabled
  pcsd: active/enabled
Comment 7 errata-xmlrpc 2020-06-10 14:35:03 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2020:2462
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