On Tue, Apr 10, 2018 at 02:40:58PM -0700, Peter Geoghegan wrote: > I agree with Michael -- shutting down the server using immediate mode > could lead to torn pages, that crash recovery will need to repair at a > later stage. I think that some strong caveats around this are required > in the pg_verify_checksums docs, at a minimum.
Peter, the code does the right thing as it requires the instance's control file state to be either DB_SHUTDOWNED_IN_RECOVERY or DB_SHUTDOWNED. The documentation, on the contrary, implies that the instance just needs to be offline, which can be anything as long as the postmaster is stopped. That's how I understand the current wording. -- Michael
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