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DOC-2237: correct decommission + maintenance mode guidance (v/25.2 backport)#1737

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DOC-2237: correct decommission + maintenance mode guidance (v/25.2 backport)#1737
Feediver1 wants to merge 5 commits into
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DOC-2237-decom-maint-v25.2

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@Feediver1 Feediver1 commented Jun 10, 2026

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Backports DOC-2237 to v/25.2. The Maintenance Mode page incorrectly stated that a broker cannot be decommissioned while in maintenance mode; from 24.1.15 / 24.2.1 onward, decommission gracefully drains partition leadership on its own.

Scope (one playbook fix included)

In addition to the doc-content changes, this PR also adds a one-line self-exclusion to local-antora-playbook.yml so the Antora build doesn't hit a "Duplicate nav" fatal. The playbook on v/25.2 was missing '!v/25.2' from the remote docs source — every other version branch (v/25.3, v/24.x, v/23.3) already has its own self-exclusion. This change aligns v/25.2 with them and is needed for the PR's own build to succeed.

-    branches: [v/*, shared, site-search,'!v-end-of-life/*']
+    branches: [v/*, '!v/25.2', shared, site-search,'!v-end-of-life/*']

Companion PR on main: #1735

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🤖 Generated with Claude Code

The CAUTION on the Maintenance Mode page incorrectly stated that a
broker cannot be decommissioned while in maintenance mode. This was true
only in 22.x and older. From 24.1.15 / 24.2.1 onward, decommission
gracefully drains partition leadership on its own, so maintenance mode
beforehand is optional.

- modules/manage/pages/node-management.adoc: replace CAUTION with a
  NOTE clarifying maintenance mode beforehand is optional.
- modules/upgrade/partials/rolling-upgrades/enable-maintenance-mode.adoc:
  drop "decommissioning or" from the rolling-upgrade/restart trouble-
  shooting notes so they no longer imply maintenance mode blocks
  decommissioning.
- modules/manage/pages/cluster-maintenance/decommission-brokers.adoc and
  modules/manage/pages/kubernetes/k-decommission-brokers.adoc: add a
  matching positive-framing NOTE on the decommission side.

Co-Authored-By: Claude Opus 4.7 (1M context) <[email protected]>
@Feediver1 Feediver1 requested a review from a team as a code owner June 10, 2026 16:23
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@Feediver1 Feediver1 closed this Jun 10, 2026
@Feediver1 Feediver1 reopened this Jun 10, 2026
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Prevents 'Duplicate nav' fatal during Antora build. The local worktree
(.) and the remote v/* glob were both supplying the same nav file for
the current version. Other version branches (v/25.3, v/24.x, v/23.3)
already self-exclude; this aligns v/25.2 with them.
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