Hi,
Le 30 juil. 09 à 15:34, Phoenix Kiula a écrit :
I know about pg_dumpall, which creates a humongous SQL file, but is
there something equivalent in the postgresql world, like a
"pgsqlhotcopy" which copies data folders in a similar way as
mysqlhotcopy?
Copying the raw data files of a live database only works under certain
conditions with PostgreSQL, in short you have to tell it about what
you're going to do for it to cooperate. That's pg_start_backup()
function and friends.
Now, the generic technique provided by PostgreSQL is called PITR,
Point In Time Recovery. You'll find ready to go software to drive
this, in order of personal preference :
- walmgr from Skytools
http://wiki.postgresql.org/wiki/Skytools#walmgr
http://skytools.projects.postgresql.org/doc/walmgr.html
https://developer.skype.com/SkypeGarage/DbProjects/SkyTools/WalMgr
- pitrtools
http://projects.commandprompt.com/public/pitrtools/
- pg_standby (read carefully the 8.3 era behavior of this one)
it's in the contribs
Those 3 solutions are packaged in debian and maybe some other
distributions or OS.
Regards,
--
dim
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