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2009 Jan 26
1
Backup methods for an Oracle DB
...Oracle DB might not come up
after the backup run.
So I thought of using disk-based backup. I've tried scp'ing the files
directly to my backup server, but the operation is too long (120 min).
I tried generating a tar.gz directly to my backup server via SSH. A
decent 40 minutes, using mgzip (multi-thread gzip), 70 Gigs. 120
minutes for a tar.bz2, using pbzip2 (parralel bzip2) (54 Gigs). A tar
sent directly to my backup server is quite huge (318 Gigs). It is then
taken to tape on the regular nightly backup.
My concerns are:
- Time needed to perform backup (downtime).
- Time nee...