Re: Ontape and jukeboxes
Posted in 1997
Topics: Backup & Restore, Installation, Setup & Upgrades, Server Administration, Platform-Specific Issues
Stefanie Vario wrote:
}
} Gabriela Bellani wrote:
} >
} > Hi!
} >
} > I=92m new in the informix-list but I=92ve already taken advantage of som=
} > e
} > good ideas brougth to the net... I=92m wondering if anyone can help
} > me...
} >
} > Our installation has Online 7.13UC1 running in a Sun Sparc 2000
} > with Solaris 2.5.
} > Database size: 25GB ( all raw device in Veritas Vol Manager)
} >
} > Running ontape -s -L 0 takes 9-10 hours and we are planning to do it
} > only on weekends.
} > By now we have no personnel working on weekends so "someone"
} > decided that the solution was to buy a "brand new jukebox" to run
} > unattended back ups.
} >
} > The jukebox is completly unaware of the existance of Informix....
} >
} > Has anyone tried to run ontape -s / ontape -c on such a device....?
} > How do we tell the jukebox to change tapes...?
}
} We tried something similar to this. We set the TAPESIZE in the onconfig
} file to be a very large number and then used a named pipe as the
} TAPEDEV. The software from the tape library we had read the data from
} the pipe and wrote it to the tapes. It was then responsible for
} switching tapes. Since the pipe never reaches the TAPESIZE we
} specified, Informix wouldn't ask for more tapes. I'm not sure how your
} jukebox would handle it.
}
} Stefanie Vario
} ZenaComp, Incorporated
} svario@zenacomp.com
Be carefull. This requires a jukebox that will do "streaming". All
that means is that it will load a new tape when the current one reaches
the end. Not all juke boxes do this (take it from someone with burned
fingers).
--
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Mark Bonanno |
mbonanno@netcom.com | A closed mouth gathers no feet.
|
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