Re: Offline data checksum changes can cause incorrect checksum state on standbys

From:	Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com>
To:	Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>
Cc:	Daniel Gustafsson <daniel(at)yesql(dot)se>, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject:	Re: Offline data checksum changes can cause incorrect checksum state on standbys
Date:	2026-09-02 14:34:40
Message-ID:	CAN4CZFP_-vMOtHEj0u_v9OYoihxmi1QkfP_wiP_ytdg9FE=KfA@mail.gmail.com
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Thread:	2026-08-12 07:55:21 from Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com> 📎  2026-08-14 13:59:06 from Daniel Gustafsson <daniel(at)yesql(dot)se>   2026-08-14 15:27:44 from Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>    2026-08-26 20:37:09 from Daniel Gustafsson <daniel(at)yesql(dot)se> 📎     2026-08-28 05:33:34 from Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>      2026-08-28 06:53:38 from Daniel Gustafsson <daniel(at)yesql(dot)se>       2026-08-28 09:24:17 from Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com> 📎        2026-08-28 11:16:55 from Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com>         2026-08-28 15:13:56 from Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>          2026-08-28 16:04:28 from Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com>           2026-08-29 02:41:03 from Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>            2026-08-29 21:36:14 from Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com> 📎             2026-08-31 05:06:36 from Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>              2026-08-31 07:16:52 from Daniel Gustafsson <daniel(at)yesql(dot)se>               2026-08-31 08:01:00 from Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>                2026-08-31 10:55:01 from Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com> 📎                 2026-08-31 11:38:40 from Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>                  2026-08-31 13:10:15 from Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com> 📎                   2026-08-31 15:28:09 from Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>                    2026-08-31 23:31:42 from Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com> 📎                     2026-09-01 08:38:38 from Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com> 📎                      2026-09-01 13:50:04 from Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com> 📎                       2026-09-02 07:45:10 from Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>                        2026-09-02 12:13:11 from Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com> 📎                         2026-09-02 14:34:40 from Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com> 📎               2026-08-31 08:01:14 from Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com>
Lists:	pgsql-hackers

Attachment	Content-Type	Size
v11-0003-pg_rewind-Check-the-data-checksum-states-of-sour.patch	application/octet-stream	21.6 KB
v11-0001-Do-not-adopt-data-checksum-state-from-another-no.patch	application/octet-stream	133.6 KB
v11-0002-pg_checksums-Refuse-interrupted-transitions-note.patch	application/octet-stream	7.7 KB
v11-0004-pg_combinebackup-Refuse-mixed-data-checksum-stat.patch	application/octet-stream	9.5 KB

In response to

• Re: Offline data checksum changes can cause incorrect checksum state on standbys at 2026-09-02 12:13:11 from Zsolt Parragi

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