I upgraded docker manager from my default site. After upgrade I got the message to do launcher rebuild app. Which I did. I got message in there that post gres is updated run rebuild again. Which I did. But my default site is working as expected but the second site lost everything. It is not a fresh …

So i have checked the postgres template file. It is targeting only one db. Which is insane. It should have looped through the databases present and changed them. I leaving this here for anybody looking for a solution in this scenario DB_LIST=$(su postgres -c "/usr/lib/postgresql/${PG_MAJOR_OLD}/bin…

I think something is messing up when db for second site is migrating.

make sure you have enough disk space, you need roughly double db size. Sorry nothing to add or help but see this thread for clues: [이미지] PostgreSQL 18 update for self-hosters megaphoneAnnouncements warning WARNING! The upgrade requires a lot of free disk space…

Yes I have checked it out but nothing for multisite upgrade

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지원 자체 호스팅

Andrew_Rowe (Andrew Rowe) 8월 9, 2026, 11:18오후 3

디스크 공간이 충분한지 확인하세요. 대략 DB 크기의 두 배가 필요합니다. 죄송하지만 추가할 내용이나 도움이 될 만한 정보는 없지만, 이 스레드를 참고해 보세요:

글		댓글	조회수
PostgreSQL 18 update for self-hosters Announcements	82	2570	9월 6, 2026
Latest update this morning 08/3/2026 broke my discourse, is it just me? Support	13	311	8월 3, 2026
Upgrade failed. Database stopped. (multisite install) Self-hosting	18	565	11월 2, 2025
Still seeing issues. How to use “the fix”? Self-hosting	3	219	2월 8, 2025
Database files are incompatible with server (updating inside Linode) Support	14	698	2월 6, 2025

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