Re: PostgreSQL File System Based Backup Restartability

girish R G peetle wrote:
> Is PostgreSQL file system based backup restart-ability possible ?
>
> Steps
> - Database size is 1 TB
> - I'll execute pg_start_backup('label');
> - I will traverse through the DATA directory to get the list of directories and files.
> - I will start moving the files to backup media. ( over network )
> - When I'm half way (500GB done), network error happens. So movement of files is halted.
> - Network issue is resolve after 30 minutes (In this time files might have got deleted or added with
> creation/deletion of database/tables )
> - I'll resume moving the files to backup media from where it had halted.
> - When movement of files is done, I'll execute pg_stop_backup()
> - I'll move all the transaction logs that got archived to backup media.
>
> Is PostgreSQL server recovery to a consistent state possible with backup content obtained from above
> steps ?

That should work, but I guess it may depend on what the copy program does if it encounters the
network error. Were there any messages?

Yours,
Laurenz Albe