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

From: Daniel Gustafsson <daniel(at)yesql(dot)se>
To: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Cc: Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>, Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Offline data checksum changes can cause incorrect checksum state on standbys
Date: 2026-09-10 13:18:56
Message-ID: 0E4734FA-4764-405C-9670-C45DF440A718@yesql.se
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> On 10 Sep 2026, at 12:05, Daniel Gustafsson <daniel(at)yesql(dot)se> wrote:
>
> The attached v15 ..

..and in case anyone need more evidence that doing things when stressed is bad, I
accidentally attached the wrong version.

--
Daniel Gustafsson

Attachment Content-Type Size
v16-0009-Only-log-page-zeroing-when-checksums-aren-t-igno.patch application/octet-stream 1.4 KB
v16-0008-Only-reset-launcher-state-in-exit-handler.patch application/octet-stream 1.2 KB
v16-0007-Improve-error-message-for-checksum-state-in-pg_u.patch application/octet-stream 1.6 KB
v16-0006-Fix-enum-value-visibility-for-data_checksums.patch application/octet-stream 1.6 KB
v16-0005-doc-Documentation-updates-for-online-checksums.patch application/octet-stream 21.3 KB
v16-0004-pg_combinebackup-Refuse-mixed-data-checksum-stat.patch application/octet-stream 10.0 KB
v16-0003-pg_rewind-Check-the-data-checksum-states-of-sour.patch application/octet-stream 22.5 KB
v16-0002-pg_checksums-Refuse-interrupted-transitions-note.patch application/octet-stream 7.9 KB
v16-0001-Do-not-adopt-data-checksum-state-from-another-no.patch application/octet-stream 137.0 KB

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