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Update README

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Add caveats for pg_rewind with 9.4 and 9.3 in particular, also fix typo.
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Ian Barwick
2016-07-21 08:57:21 +09:00
parent e8fcc3d7a6
commit 34e574ac66
1 changed files with 5 additions and 1 deletions
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README.md
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@@ -905,7 +905,7 @@ will have diverged slightly following the shutdown of the old master.
The utility `pg_rewind` provides an efficient way of doing this, however The utility `pg_rewind` provides an efficient way of doing this, however
is not included in the core PostgreSQL distribution for versions 9.3 and 9.4. is not included in the core PostgreSQL distribution for versions 9.3 and 9.4.
Hoever, `pg_rewind` is available separately for these versions and we However, `pg_rewind` is available separately for these versions and we
strongly recommend its installation. To use it with versions 9.3 and 9.4, strongly recommend its installation. To use it with versions 9.3 and 9.4,
provide the command line option `--pg_rewind`, optionally with the provide the command line option `--pg_rewind`, optionally with the
path to the `pg_rewind` binary location if not installed in the PostgreSQL path to the `pg_rewind` binary location if not installed in the PostgreSQL
@@ -914,6 +914,10 @@ path to the `pg_rewind` binary location if not installed in the PostgreSQL
`pg_rewind` for versions 9.3 and 9.4 can be obtained from: `pg_rewind` for versions 9.3 and 9.4 can be obtained from:
https://github.com/vmware/pg_rewind https://github.com/vmware/pg_rewind
Note that building this version of `pg_rewind` requires the PostgreSQL source
code. Also, PostgreSQL 9.3 does not provide `wal_log_hints`, meaning data
checksums must have been enabled when the database was initialized.
If `pg_rewind` is not available, as a fallback `repmgr` will use `repmgr If `pg_rewind` is not available, as a fallback `repmgr` will use `repmgr
standby clone` to resynchronise the old master's data directory using standby clone` to resynchronise the old master's data directory using
`rsync`. However, in order to ensure all files are synchronised, the `rsync`. However, in order to ensure all files are synchronised, the