I'd agree: most likely a file system problem. Is there any hope that this file could be re-built?
My current plan is to use bdr_part_by_node_names to remove the failing node and then rebuild it from a fresh backup
(andprobably on a new server).
Thank you for your help!
Cameron Smith
________________________________________
From: Alvaro Herrera <alvherre@2ndquadrant.com>
Sent: May 19, 2016 2:56 PM
To: Cameron Smith
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] PostgreSQL with BDR - PANIC: could not create replication identifier checkpoint
CAUTION EXTERNAL EMAIL
Cameron Smith wrote:
> t:2016-05-19 01:14:51.668 UTC d= p=144 a=PANIC: could not create replication identifier checkpoint
"pg_logical/checkpoints/8-F3923F98.ckpt.tmp":Invalid argument
This line corresponds to the following code in BDR's 9.4.4
src/backend/replication/logical/replication_identifier.c:
/*
* no other backend can perform this at the same time, we're protected by
* CheckpointLock.
*/
tmpfd = OpenTransientFile(tmppath,
O_CREAT | O_EXCL | O_WRONLY | PG_BINARY,
S_IRUSR | S_IWUSR);
if (tmpfd < 0)
ereport(PANIC,
(errcode_for_file_access(),
errmsg("could not create replication identifier checkpoint \"%s\": %m",
tmppath)));
This file does not exist in 9.5, but instead we have
src/backend/replication/logical/origin.c which has identical code.
OpenTransientFile calls BasicOpenFile, which in turn calls open() and
propagates the errno. My manpage doesn't list any possible reasons for
open() to return EINVAL, so I'm at a loss about what is happening here.
Maybe this is a filesystem problem?
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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