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Clarify pg_basebackup vs rsync

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Ian Barwick
2015-03-11 21:35:42 +09:00
parent 6597a03559
commit f3d5a4a7b0
1 changed files with 4 additions and 3 deletions
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README.md
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@@ -351,9 +351,10 @@ its port if is different from the default one.
Provide the `-D/--data-dir` option to specify the destination data
directory; if not, the same directory path as on the source server
will be used. By default, `pg_basebackup` will be used to copy data
from the master or upstream node but this can only be used for new
installations. To update an existing but 'stale' data directory,
`rsync` must be used by specifying `--rsync-only`. In this case,
from the master or upstream node but this can only be used for
bootstrapping new installations. To update an existing but 'stale'
data directory (for example belonging to a failed master), `rsync`
must be used by specifying `--rsync-only`. In this case,
password-less SSH connections between servers are required.