Use of rsync for data directory copying

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От Bruce Momjian
Тема Use of rsync for data directory copying
Дата
Msg-id 20120710024806.GA3931@momjian.us
обсуждение исходный текст
Ответы Re: Use of rsync for data directory copying  (David Kerr <dmk@mr-paradox.net>)
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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  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + It's impossible for everything to be true. +


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