Dump parameters for QIC-150.
Luis Barriga
luis at bonito.tds.kth.se
Fri Aug 10 21:28:13 AEST 1990
We use a 150 Mbyte 1/4 inch cartridge tape Drive. The specification names
the following parameters:
Data density: 10000 bpi
Tracks 18 Track Serpentine
length 600 ft.
When I perform a dump the following happens:
# /etc/dump 0csdtf 600 10000 18 /dev/nrst8 /dev/id000f
DUMP: Date of this level 0 dump: Fri Aug 10 13:21:45 1990
DUMP: Date of last level 0 dump: the epoch
DUMP: Dumping /dev/rid000f (/cm) to /dev/nrst8
DUMP: mapping (Pass I) [regular files]
DUMP: mapping (Pass II) [directories]
DUMP: estimated 298380 blocks (145.69MB) on 0.15 tape(s).
^^^^^^^ ^^^^^
........[stuff deleted]
The estimation shows only 0.15 tape(s), when it should say 0.9X
tape(s)since the capacity is approx. 150 MB.
Anybody got the right parameters?
+ Luis Barriga + The Royal Institute of Technology +
+ + Dep. Computer systems (TDS) +
+ + P.O. Box 700 43 +
+ e-address: luis at tds.kth.se + S-100 44 Stockholm +
+ + SWEDEN +
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