Hi all,
I have redundancy set (database files, redo logs, control files, no archive,
*.ora) files total about 10 GIG
and I need them to be backup every week to DDS3 tape.
Current script something like
tar -cv file1
tar -uv file2
tar -uv file3
It took 1 whole day !!!! <operator complain>
So I thinking to tune this script to be like
1. Shutdown database
2. compress all those files to other name
3. Startup database
4. split those files compressed file if more than 2 GB
5a. tar -cvf file1 file2 file3 is all in one block
or
5b. tar -cvf /dev/rmt/0n file1 is new block
tar -cvf /dev/rmt/0n file2 is new block
My problem is in step 2 and 5
1. how to compress a file with output to other files,
so that I can proceed to step #3 without wait till backup finish and
uncompress those compressed files.
(Perhaps I can copy the compressed file into other name - quick and dirty
!!?)
2. To "utilise the I/O" or "not rewinding the tape",
what is the suitable option (parameter) for my tar command, especially if
we have long block in front of the tape.
Or perhaps you have other methods
Thank You
Sinardy
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Author: Sinardy
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