From: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
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To: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | backup_label in a crash recovery |
Date: | 2009-11-02 06:51:29 |
Message-ID: | 3f0b79eb0911012251x111092e3r33dbd918389f6519@mail.gmail.com |
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Lists: | pgsql-hackers |
Hi,
When a crash occurs before calling pg_stop_backup(),
the subsequent crash recovery causes the FATAL error
and outputs the following HINT message.
If you are not restoring from a backup, try removing the file
\"%s/backup_label\"."
I wonder why backup_label isn't automatically removed
in normal crash recovery case. Is this for the fail-safe
protection; prevent admin from restoring from a backup
wrongly without creating recovery.conf? Or another?
If that's intentional, a clusterware for shared disk
failover system should remove backup_label whenever
doing failover. Otherwise, when a crash occurs during
online-backup, the failover would fail.
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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