Dumping to an exabyte tape drive
wolf paul
wnp at iiasa.AT
Tue Sep 4 23:09:04 AEST 1990
In article <1990Sep1.143812 at suned1.nswses.navy.mil> jht at suned1.nswses.navy.mil (Jim Tibbs) writes:
)
) dump 0ubsdf 64 12000 43000 /dev/rst1 "file-system"
)
And in article <linegar.652252313 at bcars85> linegar at bcars85.bnr.ca (Derick Linegar) writes:
)
) /usr/etc/dump 0ucbsdf 56 5190 4100000 /dev/whatever file-system
)
And in article <FPB.90Aug31172357 at schlitz.ittc.wec.com> fpb at schlitz.ittc.wec.com (Frank P. Bresz) writes:
)
)dump 0ufsd /dev/nrst2 6000 54000 /dev/id000a
)
These figures seem quite inconsisten. Which is correct?
Would someone at SUN care to comment, ideally the person who wrote
their drivers?
A Standard Tape has a density of 6250 bpi and a length of 2300 feet
Jim Tibbs specifies a density of 43000 bpi and a length of 12000 feet
Derick Linegar specifies 4100000 bpi and a length of 5190 feet
Frank Bresz specifies density of 54000 bpi and a length of 6000 feet
--
Wolf N. Paul, IIASA, A - 2361 Laxenburg, Austria, Europe
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