Rsync is popular with Postgres users, but I don't understand how they
are using the default check mode (file size, modification time) to
synchronize shut-down data directories?  It seems they would have to use
--checksum because it is too easy for files to change in the same
second, and for a backend to write into the middle of a file.

Is everyone who is using rsync with Postgres also using --checksum mode?

-- 
  Bruce Momjian  <br...@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +

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