From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
---|---|
To: | Alex Kliukin <alexk(at)hintbits(dot)com> |
Cc: | pgsql-admin(at)postgresql(dot)org |
Subject: | Re: 'replication checkpoint has wrong magic' on the newly cloned replicas |
Date: | 2017-11-29 23:22:43 |
Message-ID: | 20171129232243.vk5ik5szknppo3it@alvherre.pgsql |
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Lists: | pgsql-admin |
Alex Kliukin wrote:
> 2017-11-15 13:15:46.673 CET,,,15154,,5a0c2ff1.3b32,5,,2017-11-15
> 13:15:45 CET,,0,PANIC,XX000,"replication checkpoint has wrong magic
> 5714534 instead of 307747550",,,,,,,,,""
Uhh ... I had never heard of this "replication checkpoint" thing. It is
part of replication origins feature, which is fairly new stuff (see
src/backend/replication/logical/origin.c). I'd bet this problem is
related to a bug in logical replication "origins" code rather than any
procedural problems in your base-backup taking setup ...
I wonder if there is some truncation of the 0x1257DADE value that
produces the 5714534 value you're seeing -- something related to a
pg_logical/replorigin_checkpoint file being written partially while the
backup is being taken.
Another point towards not including pg_logical/ contents when taking a
base backup, I guess ...
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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