On Sat, 2005-04-16 at 23:06 -0400, Bruce Momjian wrote:
[about backup procedure with PITR documentation
> I see in the docs:
>
> To make use of this backup, you will need to keep around all the WAL
> segment files generated at or after the starting time of the backup. To
> aid you in doing this, the pg_stop_backup function creates a backup
> history file that is immediately stored into the WAL archive area. This
> file is named after the first WAL segment file that you need to have to
> make use of the backup. For example, if the starting WAL file is
> 0000000100001234000055CD the backup history file will be named something
> like 0000000100001234000055CD.007C9330.backup. (The second part of this
> file name stands for an exact position within the WAL file, and can
> ordinarily be ignored.) Once you have safely archived the backup dump
> file, you can delete all archived WAL segments with names numerically
> preceding this one.
>
> I am not clear on what the "backup dump file" is? I assume it means
> 0000000100001234000055CD. It is called "WAL segment file" above. I
> will rename that phrase to match the above terminology. Patch attached
> and applied.
Doesn't it refer to the backup file itself (the tar file of the data
directory) ?
You do not want to start deleting WAL segments until that one is safely
archived.
gnari
