Re: Proper way to restore from a basebackup without the WAL-files?

On Tue, Dec 15, 2015 at 11:47 AM, John Scalia <jayknowsunix@gmail.com> wrote:

> If you absolutely must use the pg_basebackup as your source and I'm assuming
> you have a tarball without any of WAL files, you could expand the tarball
> into you data directory, and use pg_resetxlog to "fool" the master into
> starting up. I only say "fool" as it just builds you a blank WAL file which
> this system can use as its integrity check and properly start.

Please note that this will generally leave you with a corrupted
cluster; you would be well advised to follow the advice in the
documentation:

http://www.postgresql.org/docs/9.4/interactive/app-pgresetxlog.html

| After running this command, it should be possible to start the
| server, but bear in mind that the database might contain
| inconsistent data due to partially-committed transactions. You
| should immediately dump your data, run initdb, and reload. After
| reload, check for inconsistencies and repair as needed.

--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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