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тАО09-21-2004 01:45 AM
тАО09-21-2004 01:45 AM
fbackup with no rewind
My question is
I have 200gb capacity cartridge tape and the daily backup is around 60gb. Can I use the same tape to keep the backup with different dates. I am using the fbackup utility. I have read that with fbackup should not use no rewind. If it is possible what will be the command to take different backup on the same tape.
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тАО09-21-2004 02:09 AM
тАО09-21-2004 02:09 AM
Re: fbackup with no rewind
The man pages for fbackup says that no-rewind devices should NOT be used with fbackup. I don't know if it work at all, if you are interested you can perhaps play with fbackup and the mt command.
But, you should not rely on a such solution for backups. If you want to utilize your cartridges better you should look at a "real" backup program (for ex. DataProtector).
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тАО09-21-2004 03:22 AM
тАО09-21-2004 03:22 AM
Re: fbackup with no rewind
what you say about tar or cpio. can we do with that if yes what is the exact command to use?
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тАО09-21-2004 06:46 AM
тАО09-21-2004 06:46 AM
Re: fbackup with no rewind
As far as I know, it is possible to use no-rewinding devicefiles with tar and cpio. I don't use those commands very often and if I do, I normally use rewinding files but no-rewinding files should also be possible.
Some examples (tar and mt).
Create a tar archive:
tar cvf /dev/rmt/0mn
Rewind the tape:
mt -f /dev/rmt/0mn rew
Forward two files (archives):
mt -f /dev/rmt/0mn fsf 2
Read a tar archive:
tar xvf /dev/rmt/0mn
But, as I said before, this is not a very convinient backup solution.
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тАО09-22-2004 12:23 AM
тАО09-22-2004 12:23 AM
Re: fbackup with no rewind
Marcus