Re: PITR WAL Restore and configuration
| От | Techie |
|---|---|
| Тема | Re: PITR WAL Restore and configuration |
| Дата | |
| Msg-id | CAEUA182pMJ6JX+od2PQe77Diz9+ogF1hPN_fELrWVDFmDagRMw@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: PITR WAL Restore and configuration (Kevin Grittner <kgrittn@ymail.com>) |
| Ответы |
Re: PITR WAL Restore and configuration
|
| Список | pgsql-admin |
Thanks man, I think I understand after re-reading the PITR WAL documentation a little better. I think that I need the WAL log or logs mentioned in the .backup file.
So for example when I run the pg_start_bkup and pg_stop_backup It outputs something like this into the .backup fileSTART WAL LOCATION: 111/CD000020 (file 0000000200000111000000CD)
STOP WAL LOCATION: 111/CD0000A8 (file 0000000200000111000000CD)
CHECKPOINT LOCATION: 111/CD000020
BACKUP METHOD: pg_start_backup
BACKUP FROM: master
START TIME: 2014-08-02 01:15:10 CDT
LABEL: master_backup
STOP TIME: 2014-08-02 01:16:34 CDT
This means that in ordrt to restore this base backup I need the contents of the base backup and this WAL log 0000000200000111000000CD, is that correct?
If so I can reference the latest .backup file in the pg_xlog directory for the base backup.. I think thi is how it works.
Thanks
Jimmy
Jimmy
On Sun, Aug 3, 2014 at 9:12 AM, Kevin Grittner <kgrittn@ymail.com> wrote:
Techie <techchavez@gmail.com> wrote:Not without all of the WAL files from the point pg_start_backup()
> let's say for example I want to restore the Base Backup from 6
> months ago, I only have the Base Backups.. Will I be able to
> recover to that point in time using that Base backup?
was run until the point pg_stop_backup() was run. Earlier WAL
files won't matter. You will be able to restore to any point in
time from when pg_stop_backup() onward as long as you have an
unbroken series of WAL files (and any .history files which were
generated).
--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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