From: | Gustav Karlsson <gustav(dot)karlsson(at)bekk(dot)no> |
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To: | John Scalia <jayknowsunix(at)gmail(dot)com> |
Cc: | "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org> |
Subject: | Re: Proper way to restore from a basebackup without the WAL-files? |
Date: | 2015-12-15 18:14:17 |
Message-ID: | AF7F5970-90A4-4DC0-AC31-F219020A5BD7@bekk.no |
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Thread: | |
Lists: | pgsql-admin |
Ok, thanks. That was actually what I ended up doing, but I get some warnings in the log. For example:
< 2015-12-15 00:00:58.206 CET >< >< >ERROR: failed to re-find parent key in index “myindex_idx" for deletion target page 101400
..
Is that to be expected?
Also, will the server be in a state where I can start replication to a slave? (given a fresh backup from the new timeline)
Regards,
Gustav
On Dec 15, 2015, at 6:47 PM, John Scalia <jayknowsunix(at)gmail(dot)com<mailto:jayknowsunix(at)gmail(dot)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.
--
Jay
On Tue, Dec 15, 2015 at 11:35 AM, Gustav Karlsson <gustav(dot)karlsson(at)bekk(dot)no<mailto:gustav(dot)karlsson(at)bekk(dot)no>> wrote:
Hi,
What is the proper way start a new master from a basebackup when you do not have the WAL-files?
We are using postgresql 9.4.
Regards,
Gustav Karlsson
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