Problems with postgres online backup - restore
От | Chris Barnes |
---|---|
Тема | Problems with postgres online backup - restore |
Дата | |
Msg-id | E1209CB1F5F64664AB8AE4D14FDC6D0C@Chris обсуждение исходный текст |
Ответы |
Re: Problems with postgres online backup - restore
|
Список | pgsql-general |
I started an online backup of postgres, tar’d my data folder, copy to usb drive in production
and restored it into my RC environment. Have I missed something important?
When starting the database I receive many errors that look like the backup was corrupted.
2009-06-23 08:29:15 EDT:@:7614ERROR: xlog flush request 10D/590D6578 is not satisfied --- flushed only to 10D/510C4FB8
2009-06-23 08:29:15 EDT:@:7614CONTEXT: writing block 2 of relation 16403/16884/2696
2009-06-23 08:29:16 EDT:@:7614ERROR: xlog flush request 10D/590D6578 is not satisfied --- flushed only to 10D/510C4FB8
2009-06-23 08:29:16 EDT:@:7614CONTEXT: writing block 2 of relation 16403/16884/2696
2009-06-23 08:29:16 EDT:@:7614WARNING: could not write block 2 of 16403/16884/2696
pgdb001=> select criteria_rank from client001.t1020screen where criteria_rank like '%TR009%';
ERROR: missing chunk number 0 for toast value 738680
Version
[postgres@pgprd01 data]$ cat PG_VERSION
8.3
Online Backup
psql
checkpoint;
SELECT pg_switch_xlog();
SELECT pg_start_backup('postres_full_backup_June222009');
tar -czvf pgprd01_June22_2009_production.dmp.tar.gz data/
SELECT pg_stop_backup();
Restore
tar –xzvf pgprd01_June22_2009_production.dmp.tar.gz
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