pg_combinebackup: Don't point only to pg_checksums for mixed checksum states

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ID 7587
Title pg_combinebackup: Don't point only to pg_checksums for mixed checksum states
CI (CFBot) Summary
Stats (from CFBot) Patch version: v1, Patch count: 1, First patch: +9−7, All patches: +9−7
Tags Bugfix
Created 2026-11-04 17:45:18
Last modified 2026-11-04 17:45:18 (20 minutes ago)
Latest email 2026-11-03 15:17:41 (yesterday)
Status
PG20-4 (2027-01-01 – 2027-01-31): Needs review
Target version 20
Authors Raja Sai pranav (pranav-error)
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Offline data checksum changes can cause incorrect checksum state on standbys
First at 2026-08-12 07:55:21 by Bertrand Drouvot <bertranddrouvot.pg at gmail.com>
Latest at 2026-11-03 15:17:41 by Raja Sai pranav <rajasaipranav0 at gmail.com>
Latest attachment (v1-0001-pg_combinebackup-Don-t-point-only-to-pg_checksums.patch) at 2026-11-03 15:17:41 from Raja Sai pranav <rajasaipranav0 at gmail.com>
    Attachment (v1-0001-pg_combinebackup-Don-t-point-only-to-pg_checksums.patch) at 2026-11-03 15:17:41 from Raja Sai pranav <rajasaipranav0 at gmail.com> (Patch: Pending check)
    Attachment (v16-0009-Only-log-page-zeroing-when-checksums-aren-t-igno.patch) at 2026-09-10 13:18:56 from Daniel Gustafsson <daniel at yesql.se> (Patch: Pending check)
    Attachment (v15-0009-Only-log-page-zeroing-when-checksums-aren-t-igno.patch) at 2026-09-10 10:05:02 from Daniel Gustafsson <daniel at yesql.se> (Patch: Pending check)
    Attachment (v14-0005-doc-Documentation-updates-for-online-checksums.patch) at 2026-09-09 21:45:15 from Daniel Gustafsson <daniel at yesql.se> (Patch: Pending check)
    Attachment (v13-0001-Do-not-adopt-data-checksum-state-from-another-no.patch) at 2026-09-03 23:08:09 from Daniel Gustafsson <daniel at yesql.se> (Patch: Pending check)
    Attachment (v12-0003-pg_rewind-Check-the-data-checksum-states-of-sour.patch) at 2026-09-03 11:06:42 from Zsolt Parragi <zsolt.parragi at percona.com> (Patch: Pending check)
    Attachment (v11-0003-pg_rewind-Check-the-data-checksum-states-of-sour.patch) at 2026-09-02 14:34:40 from Zsolt Parragi <zsolt.parragi at percona.com> (Patch: Pending check)
    Attachment (v10-0003-pg_rewind-Check-the-data-checksum-states-of-sour.patch) at 2026-09-02 12:13:11 from Zsolt Parragi <zsolt.parragi at percona.com> (Patch: Pending check)
    Attachment (v9-0003-pg_rewind-Check-the-data-checksum-states-of-sourc.patch) at 2026-09-01 13:50:04 from Zsolt Parragi <zsolt.parragi at percona.com> (Patch: Pending check)
    Attachment (v8-021-test-fixes.txt) at 2026-09-01 08:38:38 from Bertrand Drouvot <bertranddrouvot.pg at gmail.com> (Patch: Pending check)
    Attachment (v8-0002-pg_checksums-Refuse-interrupted-transitions-note-.patch) at 2026-08-31 23:31:42 from Zsolt Parragi <zsolt.parragi at percona.com> (Patch: Pending check)
    Attachment (v7-0005-doc-Explain-how-offline-and-online-checksum-chang.patch) at 2026-08-31 13:10:15 from Zsolt Parragi <zsolt.parragi at percona.com> (Patch: Pending check)
    Attachment (v6-0002-pg_checksums-Refuse-interrupted-transitions-note-.patch) at 2026-08-31 10:55:01 from Zsolt Parragi <zsolt.parragi at percona.com> (Patch: Pending check)
    Attachment (v5-0003-pg_rewind-Check-the-data-checksum-states-of-sourc.patch) at 2026-08-29 21:36:14 from Zsolt Parragi <zsolt.parragi at percona.com> (Patch: Pending check)
    Attachment (repro.txt) at 2026-08-28 09:24:17 from Bertrand Drouvot <bertranddrouvot.pg at gmail.com> (Patch: Pending check)
    Attachment (v4-0001-Do-not-adopt-data-checksum-state-from-another-nod.patch) at 2026-08-26 20:37:09 from Daniel Gustafsson <daniel at yesql.se> (Patch: Pending check)
    Attachment (v1-0001-Keep-offline-data-checksum-changes-local.patch) at 2026-08-12 07:55:21 from Bertrand Drouvot <bertranddrouvot.pg at gmail.com> (Patch: Pending check)
History
When Who What
2026-11-04 17:45:18 Raja Sai pranav (pranav-error) Attached mail thread anwm6UPxoVS41QA2@bdtpg
2026-11-04 17:45:18 Raja Sai pranav (pranav-error) Created patch record
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