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One, logging for CREATE INDEX was oblivious to the fact that when an unlogged table is created, *only* operations on the init fork should be logged. Two, init fork buffers need to be flushed after they are written; otherwise, a filesystem-level copy following recovery may do the wrong thing. (There may be a better fix for this issue than the one used here, but this is transposed from the similar logic already present in XLogReadBufferForRedoExtended, and a broader refactoring after beta2 seems inadvisable.) Amit Kapila, reviewed by Ashutosh Sharma, Kyotaro Horiguchi, and Michael Paquier Discussion: http://postgr.es/m/CAA4eK1JpcMsEtOL_J7WODumeEfyrPi7FPYHeVdS7fyyrCrgp4w@mail.gmail.com