From owner-FreeBSD-users-jp@jp.freebsd.org  Fri Nov 28 02:00:18 1997
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Date: Fri, 28 Nov 1997 02:00:13 +0900 (JST)
Message-Id: <199711271700.CAA00493@orin.slp.tutics.tut.ac.jp>
To: FreeBSD-users-jp@jp.freebsd.org
In-Reply-To: Your message of "Thu, 27 Nov 1997 23:38:34 +0900 (JST)".
	<199711271438.XAA23162@ns.thirdstage.co.jp>
From: koya@slp.tutics.tut.ac.jp (Narufumi Koya)
X-Mailer: mnews [version 1.20] 1996-12/08(Sun)
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Subject: [FreeBSD-users-jp 21478] Re: Q: $B%F!<%W$K%P%C%/%"%C%W$N:]$K(B
Errors-To: owner-FreeBSD-users-jp@jp.freebsd.org
Sender: owner-FreeBSD-users-jp@jp.freebsd.org

$B8EC+!wK-665;=Q2J3XBg3X$G$9!#(B

$B!Z(B1997$BG/(B11$B7n(B27$BF|(B($BLZ(B) 23$B;~(B38$BJ,(B34$BIC:"![$K=P$5$l$?(B
$B!Z(B[FreeBSD-users-jp 21469] Q: $B%F!<%W$K%P%C%/%"%C%W$N:]$K![(B
$B$H$$$&#E!]#m#a#i#l$G!Z(Btech_ml@thirdstage.co.jp$B![$5$s$O=q$-(B
$B$^$7$?!#(B
> 
> [Q1]FreeBSD 2.2.2-RELEASE$B$G$3$N$h$&$K(Bdump$B$r%F!<%W%a%G%#%"$K<B9T(B
> $B$7$F$$$k$N$G$9$,!"(B($B$D$+$C$F$$$k%F!<%W%I%i%$%V$O$W$i$C$H%[!<%`$G(B
> $BGc$C$?(BArchive Python$B$N(BDS2$B!J(BDDS2)$B$G$9(B)
> 
> # /sbin/dump/ 0uf /dev/nrst0 /dev/wd0
> 
> $BESCf$N%a%C%;!<%8$rFI$`$H!"$A$c$s$H(Bdump$B$O$G$-$F$$$k$h$&$J$s$G$9$,!"(B
> 
> DUMP: DUMP IS DONE
> 
> $B$N%a%C%;!<%8$N8e!"%a%G%#%"$r<h$j=P$7$F$_$k$H%F!<%W$N0LCV$,$^$C$?$/(B
> $B:G=i$N$^$^$G$9!#%a%G%#%"$r<h$j=P$9$H$-$C$F$$$&$N$O!":G=i$K4,$-La$C(B
> $B$F$7$^$&$b$N$J$s$G$7$g$&$+!)(B
> $B$=$l$H$b$3$N>l9g!"<:GT$7$F$$$k$N$G$9$+!)(B
> 

$B<:GT$7$F$kMM$J5$$,$7$^$9$,!"<h$j=P$7$?:]$K4,La$k$N$O;EMM$G$9$N$G(B
$BLdBj$K$O$J$j$^$;$s!#(B

> [Q2]$B$=$l$H!"(Bdump$B$NESCf$G!"(B
> 
> Is the new volume mounted and ready to go?: ("yes" or "no") 
> 
> $B$H2?EY$b$-$+$l$k(B(yes$B$HEz$($F$$$k(B)$B$N$G$9$,!"$I$&$$$&$3$H$J$N$G$7$g$&(B
> $B$+!)(B
> $B$3$l$r$-$+$l$J$$$G>!<j$K$=$N%U%!%$%k%7%9%F%`A4$F$r(Bdump$B$7$?$$$N$G$9$,(B
> Archive Python$B$N(BDS-2$B$N>l9g$N(Bdump$B$NE,@Z$J%*%W%7%g%s$r65$($F$/$@$5$$!#(B
> 

$B$3$l$O!"(Btape$B$ND9$5$r$A$c$s$H;XDj$7$F$J$$$N$G%G%U%)%k%H$ND9$5J,=q$-9~(B
$B$^$l$k$H%a%C%;!<%8$,=P$F$k$O$:$G$9!#!J(Bman$B$r$_$k$H(B $B5-O?L)EY(B 1600 BPI$B$G(B
$BM-8z%F!<%WD9(B 2300 feet $B$K$J$C$F$k$s$G$A$c$s$H<h$l$F$J$/$J$$$G$9$+!)!K(B

$B$GE,@Z$J%*%W%7%g%s$rM?$($k$3$H$G2r7h$9$k$H;W$$$^$9!#(B

$BHs05=L$N>l9g(B

[$BL)EY(B]

DDS(60/90m) :

 1.3 (Gbyte) / 60 (m) * 2.54 (cm/inch)
 =
 ( 1.3 * 1024 * 1024 (kbyte) ) /  ( 60 * 100 (cm) ) * 2.54 (cm/inch) 
 =
 577.06633 (kbyte/inch)
 ~
 580 (kbyte/inch)

DDS2(120m) :

 4 (Gbyte) / 120 (m) * 2.54 (cm/inch)
 =
 ( 4 * 1024 * 1024 (kbyte) ) /  ( 120 * 100 (cm) ) * 2.54 (cm/inch) 
 =
 887.79435 (kbyte/inch)
 ~
 890 (kbyte/inch)

DDS3(125m) :

 12 (Gbyte) / 125 (m) * 2.54 (cm/inch)
 =
 ( 12 * 1024 * 1024 (kbyte) ) /  ( 125 * 100 (cm) ) * 2.54 (cm/inch) 
 =
 2556.8477 (kbyte/inch)
 ~
 2560 (kbyte/inch)

[IRG]

 0.7 (inch)

[$B%V%m%C%-%s%078?t(B]

 32 or 126 or 366 or 1024 or 1200 (kbyte/block)

[$B%V%m%C%/D9(B]

DDS(60/90m) :

 0.76 or 0.92 or 1.33 or 2.47 or 2.77 (inch/block)

DDS2(120m)  :

 0.74 or 0.84 or 1.11 or 1.85 or 2.05 (inch/block)
 
DDS3(125m)  :

 0.71 or 0.75 or 0.84 or 1.10 or 1.17 (inch/block)

[$BM-8z%F!<%WD9(B]

DDS(60m)   :

 2700 or 830 or 410 or 274 or 262 (feet)

DDS(90m)   :

 4150 or 1280 or 635 or 422 or 403 (feet)

DDS2(120m) :

 8080 or 2330 or 1060 or 630 or 600 (feet)

DDS3(125m) :

 23300 or 6240 or 2400 or 1120 or 1020 (feet)

$B$K$J$j$^$9!#$?$@!"M-8z%F!<%WD9$O%F!<%W;DNL$NI=<($N$?$a$N7W;;$K$N$_(B
$B$D$+$o$l$k$N$GBgBN$G$$$$$_$?$$$G$9!#!J$$$m$$$m$"$k$N$O!"%V%m%C%-%s(B
$B%078?t$rJQ$($?>l9g$N$b$N$G$9!#!K(B

$B$^$?!">e$N7W;;$G$O;EMM:GBg8B$N>l9g$K$J$C$F$$$^$9!#(B
$BK\Mh!"5-21MFNL$O(B[$B;EMMCM(B] x 0.9 $B$0$i$$$@$H;W$C$?J}$,$$$$$i$7$$$G$9!#(B

$B%I%i%$%V$G05=L$9$k>l9g$O!"Hs05=L$N>l9g$N5-21MFNL$NItJ,$r(B
[$B;EMMCM(B] x 0.9 x 1.35 $B$G7W;;$9$k$H$$$$$_$?$$$G$9!#(B

$B=jB0$9$k8&5f<<$G$O!"(BDDS2$B$G%P%C%/%"%C%W$r$H$k;~$O0J2<$N$h$&$K$7$F$^(B
$B$9!#(B($B$?$@$7!"(BHP-UX$B$N>l9g$G$9$N$G!"%G%P%$%9L>$rJQ$($l$PLdBj$J$$$H;W(B
$B$$$^$9!#(B)

/etc/dump 0ufbds /dev/rmt/0mn 32 890000 8000 $target 

dump$B$O7k9=B.$$$N$G$$$$$N$G$9$,!"2?J,(BDAT$BMQ$K:n$i$l$F$J$$$N$G%Q%i%a!<(B
$B%?$,J,$+$j$K$/$$$G$9$M!D!#(B

$BB?J,!">e$N7W;;J}K!$GLdBjL5$$$H;W$&$s$G$9$,!">\$7$$J}LdBj$,$"$l$P;XE&(B
$B$r$7$F$b$i$($k$H$3$A$i$b=u$+$j$^$9!#!J(BDAT $B$X$N(B dump $B$r$^$H$b$K$H$l$k(B
$BMM$K$J$k$N$K(B1$B%+7n$$$m$$$mD4$Y$?$N$G$9$,!":#$@$K@dBP$H$$$&<+?.$,$J$$$N(B
$B$G!D!#!K(B

$B$G$O!#(B
