On Thu, Oct 7, 2021 at 09:26:26AM -0700, Andres Freund wrote: > Hi, > > On October 7, 2021 8:54:54 AM PDT, Bruce Momjian <br...@momjian.us> wrote: > > >Uh, technically most drives use 512-byte sectors, but I don't know if > >there is any guarantee that 512-byte sectors will not be torn --- I have > >a feeling there isn't. I think we get away with the hint bit case > >because you can't tear a single bit. ;-) > > We rely on it today, e.g. for the control file.
OK, good to know, and we can be sure the 16-byte blocks will terminate on 512-byte boundaries. -- Bruce Momjian <br...@momjian.us> https://momjian.us EDB https://enterprisedb.com If only the physical world exists, free will is an illusion.