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Re: error during PITR

From: Jerry Sievers <gsievers19(at)comcast(dot)net>
To: MirrorX <mirrorx(at)gmail(dot)com>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: error during PITR
Date: 2011-12-22 13:32:07
Message-ID: 87wr9oyboo.fsf@comcast.net (view raw or flat)
Thread:
Lists: pgsql-admin
MirrorX <mirrorx(at)gmail(dot)com> writes:

> is it possible that the timestamp that you put there ('2011-12-22 07:27:08') is before the time that you issued the
> command pg_stop_backup? you can check that by looking at the backup.label file where is says when the backup was
> finished.

It is the *backup file that gets sent to the WAL repository  where you
will find that information. 

backup_label is written during pg_start_backup() and as such, doesn't
know where the ending spot is.

> you can only use point in time recovery after the point when you issued the pg_stop_backup command and the backup was
> finished b/c up to that point you need to recover all the relevant wal archives to bring your database into a
> consistent mode. after that point you can stop at any time since the db is already consistent.
>
> On Thu, Dec 22, 2011 at 12:11 PM, Karuna Karpe [via PostgreSQL] <[hidden email]> wrote:
>
>     Hello,
>
>     ?I doing PITR using following doc.
>     http://www.mkyong.com/database/postgresql-point-in-time-recovery-incremental-backup/
>    
>     But when I am doing recovery till the specific time so I change parameter in recover.conf file.
>     i.e. restore_command = 'cp /opt/PostgresPlus/archive/%f %p'
>     ????? recovery_target_time = '2011-12-22 07:27:08'
>    
>     when I restart ppas 9.0 server then I got following error: (this is in log file)
>    
>     LOG:? database system was shut down at 2011-12-22 08:21:11 IST
>     LOG:? starting point-in-time recovery to 2011-12-22 07:27:08+05:30
>     LOG:? restored log file "000000010000000000000014" from archive
>     LOG:? redo starts at 0/14000070
>     LOG:? restored log file "000000010000000000000015" from archive
>     LOG:? restored log file "000000010000000000000016" from archive
>     LOG:? restored log file "000000010000000000000017" from archive
>     LOG:? restored log file "000000010000000000000018" from archive
>     LOG:? restored log file "000000010000000000000019" from archive
>     LOG:? recovery stopping before commit of transaction 756, time 2011-12-22 07:29:08.152325+05:30
>     LOG:? redo done at 0/2423F264
>     LOG:? last completed transaction was at log time 2011-12-22 07:26:51.427245+05:30
>     FATAL:? requested recovery stop point is before consistent recovery point
>     LOG:? startup process (PID 5413) exited with exit code 1
>
>     Please let me know what is going wrong in that?
>     can any one please give me solution for this problem???
>
>     Regards,
>     Karuna Karpe.
>
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> ------------------------------------------
> View this message in context: Re: error during PITR
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>

-- 
Jerry Sievers
Postgres DBA/Development Consulting
e: postgres(dot)consulting(at)comcast(dot)net
p: 305.321.1144

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