Using pg_start_backup() and pg_stop_backup() - using 9.1.2.2

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От Khangelani Gama
Тема Using pg_start_backup() and pg_stop_backup() - using 9.1.2.2
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Msg-id efc434859e7f7da4ed06f3e1bdf6c529@mail.gmail.com
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Ответы Re: Using pg_start_backup() and pg_stop_backup() - using 9.1.2.2  (Kevin Grittner <kgrittn@ymail.com>)
Re: Using pg_start_backup() and pg_stop_backup() - using 9.1.2.2  (Adrian Klaver <adrian.klaver@aklaver.com>)
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Hi all

 

Please help me here.

 

 

I am doing the following between master and the backup server using archive_command,

 

I am using O/S - Red Hat Enterprise Linux Server release 5.3 (Tikanga)

 

 

 

On backup or secondary server I did the following:

 

1.       Stopped postgres in backup server

2.       Removed all walfiles from /walfiles directory

3.       Removed all files from pg_xlog/

 

Went to master/source server:

 

1.       Issue pg_start_backup('label')

2.       Performed rsync of cluster directory  (nohup rsync -avz /pgsql2/data backupserver:/pgsql2/ > /tmp/rsynccopy.out 2> /tmp/rsynccopy.err & )

3.       Step 2 takes a long time because the database is huge. But during the rsync process many files are getting copied to the backup server landing in /pgsql2/walfiles/ directory which I cleaned up before starting backup in the master server.

4.       Once step 3, rsync is done I will run Issue pg_stop_backup().

 

 

Then connect to secondary server and remove recovery.done and create recovery.conf file, and remove pid file which got copied from master server.

 

 

Question I have is After doing step 4, what do I with the files that have been copying as I mentioned in step 3 above or that have been copying during the rsync command. Do I have to copy any walfiles manually after doing step 4 above in the master server?

 

 

 

 

 

 

 


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