Hello Richard,
OK, understood it and looks to me a good system with whole block overwrite
and then the deltas.
Thnx.
Ciao,
Gerhard
--
http://www.wiesinger.com/
On Fri, 26 Jun 2009, Richard Huxton wrote:
Gerhard Wiesinger wrote:
Hello,
OK, what's then the difference doing a pg_start_bac
Gerhard Wiesinger wrote:
Hello,
OK, what's then the difference doing a pg_start_backup() or just doing
the backup?
pg_start_backup() forces a checkpoint (and logs a label for your backup
too).
Isn't that a problem that the datablock are very inconsistent, even so
inconsistent that they ar
Hello,
OK, what's then the difference doing a pg_start_backup() or just
doing the backup?
Isn't that a problem that the datablock are very inconsistent, even so
inconsistent that they are corrupt:
E.g. A part of a datablock is written when e.g. the file is tarred. =>
Datablock on backup is
Gerhard Wiesinger wrote:
Hello,
I'd like to understand the PostgreSQL internals in "backup mode".
When I understood it correctly pg_start_backup() make a checkpoint and
stops writing to the data/ directory except the WAL.
All new transaction go into WAL which is also logical. But how is data
Hello,
I'd like to understand the PostgreSQL internals in "backup mode".
When I understood it correctly pg_start_backup() make a checkpoint and
stops writing to the data/ directory except the WAL.
All new transaction go into WAL which is also logical. But how is data
consistency done when th
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:@:7614E
