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- db2: avoid promoting in STANDBY/REMOTE_CATCHUP_PENDING state

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Resolves: RHEL-191368
This commit is contained in:
Arslan Ahmad 2026-07-02 17:28:35 +05:30
parent e72084c3bf
commit 40b8bf0a68
2 changed files with 60 additions and 1 deletions
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52
RHEL-191368-db2-avoid-promoting-in-standby_remote_catchup_pending-state.patch Normal file
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@ -0,0 +1,52 @@
From 18f01d598fb654ed629d27d69c2bfccd74cef4a8 Mon Sep 17 00:00:00 2001
From: Arslan Ahmad <arslan.ahmad97@googlemail.com>
Date: Thu, 9 Apr 2026 01:30:58 +0530
Subject: [PATCH] db2: Avoid promotion in STANDBY/REMOTE_CATCHUP_PENDING state
So to prevent data loss, promoting the standby node which is in
STANDBY/REMOTE_CATCHUP_PENDING/DISCONNECTED state will be avoided,
reporting same in cluster status.
Fixes #2043
Signed-off-by: Arslan Ahmad <arslan.ahmad97@googlemail.com>
---
heartbeat/db2 | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/heartbeat/db2 b/heartbeat/db2
index 4420b9989e..744917574b 100755
--- a/heartbeat/db2
+++ b/heartbeat/db2
@@ -944,7 +944,7 @@ db2_promote() {
for i in 1 2
do
hadr=$(db2_hadr_status $db) || return $OCF_ERR_GENERIC
- ocf_log info "DB2 database $instance($db2node)/$db has HADR status $hadr and will be promoted"
+ ocf_log info "DB2 database $instance($db2node)/$db has HADR status $hadr"
case "$hadr" in
Standard/Standalone)
@@ -965,6 +965,7 @@ db2_promote() {
done
fi
+ ocf_log info "DB2 database $instance($db2node)/$db is already promoted"
return $OCF_SUCCESS
;;
@@ -975,11 +976,12 @@ db2_promote() {
STANDBY/*PEER/DISCONNECTED|Standby/DisconnectedPeer)
# must take over by force peer window only
force="by force peer window only"
+ ocf_log info "DB2 database will be promoted using 'by force peer window only' option"
;;
- # must take over by force
STANDBY/REMOTE_CATCHUP_PENDING/DISCONNECTED)
- force="by force"
+ ocf_exit_reason "Promoting database in $hadr state can result in data loss. Manual intervention required."
+ return $OCF_ERR_GENERIC
;;
*)

9
resource-agents.spec
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@ -45,7 +45,7 @@
Name: resource-agents
Summary: Open Source HA Reusable Cluster Resource Scripts
Version: 4.10.0
Release: 127%{?rcver:%{rcver}}%{?numcomm:.%{numcomm}}%{?alphatag:.%{alphatag}}%{?dirty:.%{dirty}}%{?dist}
Release: 128%{?rcver:%{rcver}}%{?numcomm:.%{numcomm}}%{?alphatag:.%{alphatag}}%{?dirty:.%{dirty}}%{?dist}
License: GPLv2+ and LGPLv2+
URL: https://github.com/ClusterLabs/resource-agents
Source0: %{upstream_prefix}-%{upstream_version}.tar.gz
@ -224,6 +224,7 @@ Patch171: RHEL-180767-3-nfsserver-do-not-try-to-stop-fsidd-when-not-present.patc
Patch172: RHEL-184272-nfsserver-monitor-nfsdcld-and-nfs-mountd-services-to-trigger-recovery-on-failure.patch
Patch173: RHEL-171180-portblock-add-IPv6-support.patch
Patch174: RHEL-183132-portblock-fix-IPv6-rule-detection-in-the-iptables-backend.patch
Patch175: RHEL-191368-db2-avoid-promoting-in-standby_remote_catchup_pending-state.patch
# bundled ha-cloud-support libs
Patch500: ha-cloud-support-aliyun.patch
@ -543,6 +544,7 @@ exit 1
%patch -p1 -P 172
%patch -p1 -P 173
%patch -p1 -P 174
%patch -p1 -P 175
# bundled ha-cloud-support libs
%patch -p1 -P 500
@ -877,6 +879,11 @@ rm -rf %{buildroot}/usr/share/doc/resource-agents
%{_usr}/lib/ocf/lib/heartbeat/OCF_*.pm
%changelog
* Thu Jul 02 2026 Arslan Ahmad <arahmad@redhat.com> - 4.10.0-128
- db2: avoid promoting in STANDBY/REMOTE_CATCHUP_PENDING state
Resolves: RHEL-191368
* Fri Jun 19 2026 Oyvind Albrigtsen <oalbrigt@redhat.com> - 4.10.0-127
- portblock: add IPv6 support
- portblock: fix IPv6 rule detection in the iptables backend