Hi, On 2018-09-06 12:28:18 -0500, Mike Broers wrote: > So I have discovered corruption in a postgres 9.5.12 read replica, yay > checksums! > > 2018-09-06 12:00:53 CDT [1563]: [4-1] user=postgres,db=production WARNING: > page verification failed, calculated checksum 3482 but expected 32232 > > 2018-09-06 12:00:53 CDT [1563]: [5-1] user=postgres,db=production ERROR: > invalid page in block 15962 of relation base/16384/464832386 Have you compared whether that block looks significantly different on the primary from the standby with a hex editor? Greetings, Andres Freund
