Re: Backup commands - tar

Amit Aggarwal wrote:
> We have a small problem with our Oracle Hot backups.
>
> We are using 'tar' to backup our database files. Since we have about 30
> different tablespaces, and we backup one tablespace at a time, it takes
> almost 5 hours to backup the entire database. Since we have a smaller
> window available than that, we have to somehow reduce this time period.
> What I have noticed that it takes half the time in rewinding the tape.
> Since each next datafile to be backed up has to be appended to the list,
> we have to rewind the tape after each tablesapce backup, or rather the
> tape drive rewinds the tape itself.

Every UNIX system I have been on has a non-rewinding tape device, can you find/use one? Sounds like rewinding is your primary problem.

mailto:brian.maclean_at_teldta.com Received on Thu Jun 26 1997 - 00:00:00 CDT