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Home > Archive > Unix administration > March 2005 > How could I backup 200G data on one LTO-1 tape?
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How could I backup 200G data on one LTO-1 tape?
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| Harryzhu 2005-03-08, 7:52 am |
| Hi,
I'm using HP Ultrium 215 to backup data with LTO-1 tape, but I can only
backup 100G data on the tape. My OS is solaris 8 and use ufsdump command. I
check the man page and get it supply several data density,
l(low),m(middle),h(high),c for compression mode, u for ultra mode. How can I
know which mode to use? I wanna backup enough data on one tape. Ask for your
help, Thanks !!!
Have a good day!
Best Regards,
Harryzhu
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| Dragan Cvetkovic 2005-03-08, 7:52 am |
| "Harryzhu" <harrytone@sohu.com> writes:
> Hi,
>
> I'm using HP Ultrium 215 to backup data with LTO-1 tape, but I can only
> backup 100G data on the tape. My OS is solaris 8 and use ufsdump command. I
> check the man page and get it supply several data density,
> l(low),m(middle),h(high),c for compression mode, u for ultra mode. How can I
> know which mode to use? I wanna backup enough data on one tape. Ask for your
> help, Thanks !!!
Well, if you backup to /dev/rmt/0cbn (say) instead of (default) /dev/rmt/0, you
will turn the compression in the drive on (if it has any). So, read the
documentation for your tape drive and man page for st(7D).
HTH, Dragan
--
Dragan Cvetkovic,
To be or not to be is true. G. Boole No it isn't. L. E. J. Brouwer
!!! Sender/From address is bogus. Use reply-to one !!!
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| Harryzhu 2005-03-08, 8:47 pm |
| Thanks for your help!
"Dragan Cvetkovic" <me@privacy.net> ???? news:lm4qfmb5h6.fsf@privacy.net...
> "Harryzhu" <harrytone@sohu.com> writes:
>
only[vbcol=seagreen]
command. I[vbcol=seagreen]
can I[vbcol=seagreen]
your[vbcol=seagreen]
>
> Well, if you backup to /dev/rmt/0cbn (say) instead of (default)
/dev/rmt/0, you
> will turn the compression in the drive on (if it has any). So, read the
> documentation for your tape drive and man page for st(7D).
>
> HTH, Dragan
>
> --
> Dragan Cvetkovic,
>
> To be or not to be is true. G. Boole No it isn't. L. E. J. Brouwer
>
> !!! Sender/From address is bogus. Use reply-to one !!!
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