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тАО11-01-2004 09:05 PM
тАО11-01-2004 09:05 PM
I use the command
fbackup -vf /dev/rmt/0m -i /tmp
to get backup on a DDS4 tape. but I want to take backup on the same tape such that latter backups wont be deleted. namely, I want not rewriting but appending to the tape.
thanks.
Solved! Go to Solution.
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тАО11-01-2004 09:14 PM
тАО11-01-2004 09:14 PM
SolutionThe advantage of `fbackup' is that the index is written in the
beginning of the tape. `frecover' does not scan the whole tape.
Thus you cannot append with fbackup . It needs a rewind device
Try tar or cpio if you have to do this
Steve Steel
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тАО11-01-2004 09:24 PM
тАО11-01-2004 09:24 PM
Re: backing up on the same tape several times (append)
Mark Syder (like the drink but spelt different)
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тАО11-01-2004 10:19 PM
тАО11-01-2004 10:19 PM
Re: backing up on the same tape several times (append)
Steve; tar cannot send files >8GB but my file is >22GB. Does cpio support such a large file? if so, how shall I use it?
Mark; is data protector a boundle tool of HP-UX? and how shall I use it?
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тАО11-01-2004 10:28 PM
тАО11-01-2004 10:28 PM
Re: backing up on the same tape several times (append)
If you have HP-UX 11i discs, DP will be on one of the application discs. You can install it and use it for 90 days free of charge. You will then have to pay for a licence.
DP uses a GUI, which in my opinion is easier than using (for example) fbackup on the command line.
At risk of causing controversy, DP's GUI has a very "Microsoft Windows" feel to it, which makes it less user-friendly than the old Omniback - but still more user-friendly than the command line.
Mark
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тАО11-01-2004 11:15 PM
тАО11-01-2004 11:15 PM
Re: backing up on the same tape several times (append)
thanks for all
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тАО11-02-2004 09:07 PM
тАО11-02-2004 09:07 PM
Re: backing up on the same tape several times (append)
You can try fbackup piped to dd out to tape.
N.B. Ensure you are aware of the position of the tape for recoveries.
Example :
To backup
/usr/sbin/fbackup -i . -f - | dd bs=16k of=/dev/rmt/0mn
To recover
mt -f /dev/rmt/0m rew
mt -f /dev/rmt/0mn fsf
dd bs=16k if=/dev/rmt/0mn | frecover -rvf -
If you change the block size in an fbackup config file ensure the dd block size matches.
Good luck.