Re: BUG #13010: After promote postgres try to send old timeline WALs to archive

On Fri, Apr 10, 2015 at 2:16 PM, Michael Paquier
<michael(dot)paquier(at)gmail(dot)com> wrote:
> On Thu, Apr 9, 2015 at 11:02 PM, <eshkinkot(at)gmail(dot)com> wrote:
>> I do not use streaming, only WAL archive and after promote standby
>> it try to archive WALs with old timeline, but I already have it in
>> archive (from old master) and at new master WAL archiving stopped.
>>
>> [...]
>> now WAL archiving stopped with messages:
>>
>> 2015-04-08 20:49:31 MSK LOG: archive command failed with exit code 1
>> 2015-04-08 20:49:31 MSK DETAIL: The failed archive command was: test ! -f
>> ~/tmp/pg-slave-switch/w/000000010000000000000025 && cp
>> pg_xlog/000000010000000000000025
>> ~/tmp/pg-slave-switch/w/000000010000000000000025
>> 2015-04-08 20:49:32 MSK LOG: archive command failed with exit code 1
>
> The standby has recycled some WAL segments ahead thinking to reuse
> them and at promotion they became actually bogus.

FYI, a fix for this issue has been committed here:
http://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=b2a5545bd63fc94a71b1e97ecdd03c605d97a438
--
Michael