From owner-FreeBSD-users-jp@jp.freebsd.org  Mon Jul 22 19:42:45 1996
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To: FreeBSD-users-jp@jp.freebsd.org
In-reply-to: Your message of "Sun, 21 Jul 1996 11:37:41 JST."
             <199607210237.LAA00396@aulin.st.rim.or.jp> 
Date: Mon, 22 Jul 1996 19:42:36 +0900
From: Masachika ISHIZUKA <ishizuka@isis.min.ntt.jp>
Reply-To: FreeBSD-users-jp@jp.freebsd.org
X-Distribute: distribute [version 2.1 (Alpha) patchlevel=19]
X-Sequence: FreeBSD-users-jp 3271
Subject: [FreeBSD-users-jp 3271] Re: HP DAT_DRIVE DATA compression 
Errors-To: owner-FreeBSD-users-jp@jp.freebsd.org
Sender: owner-FreeBSD-users-jp@jp.freebsd.org

>$@!!2,B<$G$9!#(JFreeBSD$@$G!"(JHP$@$N(JDAT$@%I%i%$%V$G%G!<%?05=L$NM-L5$r!"%G%P%$%9%U(J
>$@%!%$%k$G@Z$jJ,$1$i$l$k$h$&$K!"(Jst.c$@$K%Q%C%A$r$"$F$F$_$^$7$?!#BP>]$H$J$k(J
>$@%I%i%$%V$O(J
>
>	HP35480A/C1536A
>	C1533A
>
>$@$G$9$,!";d$O(JC1533A$@$r;}$C$F$*$j$^$;$s$N$G!"%F%9%H$,$G$-$F$*$j$^$;$s!#(J
>$@$I$J$?$+%F%9%H$r$7$F$_$F$$$?$@$1$J$$$G$7$g$&$+!#(J($@>e5-0J30$N%I%i%$%V$X(J
>$@$N1F6A$O$J$$$h$&$K$7$?$D$b$j$G$9$,!"%F%9%H$O$7$F$*$j$^$;$s!#(J)
>
>$@!!05=L%b!<%I$,@Z$jBX$o$C$F$$$k$+$I$&$+$O!"(J1Gbyte$@Dx$N%U%!%$%k$r(JDAT$@$X=q$-(J
>$@9~$s$G$_$F!"%F!<%W$N>CHqNL$,0c$C$F$$$k$3$H$G3NG'$r$7$^$7$?!#(J($@05=L$,%5%](J
>$@!<%H$5$l$J$$%I%i%$%V$GFI$_9~$`%F%9%H$,$G$-$l$P40`z$J$N$G$9$,!#$I$J$?$+(J
>$@%F%9%H$7$F$_$F$$$?$@$1$^$;$s$+!#(J)
>
>$@!!%G%P%$%9%U%!%$%k$O(J
>
>	/dev/*st?,/dev/*st?.0	$@05=L(JON, $@2DJQD9%l%3!<%I(J
>	/dev/*st?.1		$@05=L(JOFF,$@2DJQD9%l%3!<%I(J
>	/dev/*st?.2		$@05=L(JON, $@8GDjD9%l%3!<%I(J(512byte)
>	/dev/*st?.3		$@05=L(JOFF,$@8GDjD9%l%3!<%I(J(512byte)
>
>$@$K$7$F$"$j$^$9!#(J
>
>$@!!$J$*%3%^%s%I(Jmt$@$X$b05=L%b!<%I$rI=<($9$k$h$&$K%Q%C%A$rEv$F$F$*$j$^$9!#(J

  $@@PDM!w?yJB$G$9!#(J

  2.1.5R $@$rF~$l$k$N$OBgJQ$J$N$G!"(J2.2-960612-SNAP $@$KEv$F$F$_$h(J
$@$&$H:rF|#1F|4hD%$C$?$N$G$9$,!"$&$^$/F0$$$F$$$k$N$+$I$&$+3NG'(J
$@$G$-$^$;$s$G$7$?!#(J

  $@0l1~!"F0$$$?$N$G$9$,!"(JHP C1533A $@$G$b(J comp_mode $@$,(J 0 $@$K$J$C(J
$@$F$7$^$C$?$?$a!"(Jst->comp_mode $@$K(J HP_COMPRESS $@$NCM$rH?1G$9$k$h(J
$@$&$K=$@5$7$^$7$?!#!J(J2.2-960612-SNAP $@$G$O!"(Jst.c $@$H(J scsiconf.c
$@$KJ,$+$l$F$$$k$N$G!";d$,%Q%C%AEv$F$K%_%9$7$?$@$1$+$b$7$l$^$;(J
$@$s!#(Jst_comp $@$G(J comp_mode $@$,(J 0 $@$N$^$^05=L;XDj$,$"$k$H!"(Jmode
select $@$K<:GT$7$F!"(J22 $@$H$$$&%3!<%I$,La$j$^$9$,!"%(%i!<%3!<%I(J
$@I=$,$J$$$N$G!"0UL#$OITL@$G$9!#(Jcomp_mode $@$,(J 1 $@$N;~$H(J 0 $@$N;~$N(J
16 bytes $@$N%G!<%?$NCf?H$r%@%s%W$7$F$_$^$7$?$,!"A4$/0c$&$N$G%((J
$@%i!<$GEvA3$J$s$G$7$g$&$M(J$@!#!K(J

  $@$=$l$G!"(J1.3GB $@;HMQCf$N(J /usr/local/src $@$r(J 90mm $@$N(J DDS1 tape
$@$K4,$-La$5$:$K#22s(J dump $@$7$F$_$?$N$G$9$,!"05=L$N(J on/off $@$K4X(J
$@$o$i$:#22sL\$NESCf!J(J2GB $@DxEY!)!K$G(J tape full $@$K$J$C$F$7$^$$$^(J
$@$7$?!#!J(JDDS2 $@$N(J tape $@$7$+05=L$,8z$+$J$$$J$s$F$3$H$J$$$H;W$C$?(J
$@$N$H!"(JDDS2 $@$@$H(J tape full $@$K$9$k$N$,BgJQ$J$N$G(J DDS2 $@$G$O<B83(J
$@$7$F$$$^$;$s!#%F!<%W$O(J eject $@$9$k$H!"<+F0E*$K4,$-La$C$A$c$&$N(J
$@$G!"(Jtape full $@$K$7$J$$$H$I$3$^$G;H$C$F$k$N$+H=$i$J$$!#!K(J

  $@E>AwB.EY$O!"05=L$K4X$o$i$:!"$I$A$i$b(J 510KB/sec $@DxEY$G$7$?!#(J

  C1533A $@<+BN$O!"%G%U%)%k%H$G05=L(J on$@!"%[%9%H$+$i$N@)8f2DG=$K(J
$@@_Dj$7$F$"$k$D$b$j$G$9!#!JN)$A>e$2;~$N%3%s%=!<%k$NI=<($G$O!"(J
0x24 compress mode $@$HI=<($5$l$F$$$^$9!#!K(J

  $@:#EY!J$C$F=5Kv$K$J$k$@$m$&$1$I!K!"Hf3S$N$?$a$K%Q%C%A$rEv$F(J
$@$kA0$N(J kernel $@$KLa$7$F<B83$7$F$_$^$9!#!J05=L(J on $@$NH&$J$N$K!"(J
$@85!9(J 510KB/sec $@DxEY$7$+=P$F$J$+$C$?$h$&$J5$$,$9$k$N$G!"$&$A$N(J
C1533A $@<+BN$,8N>c$7$F$$$k$N$+$J$!!)(J $@@bL@=q$r8+$k8B$j$G$O!"05(J
$@=L(J on $@$@$H(J 1MB/sec $@DxEY=P$F$b$h$5$=$&$J$s$@$1$I$J$!!#!K(J

  $@$"$H!"(JHP35470A $@$G$b<B83$7$F$_$?$+$C$?$s$@$1$I!"$3$N%I%i%$%V(J
$@<+BN$,:G6aITD4$G!"(JMedia Recognition System $@$NF~$C$F$$$k(J tape
$@$,(J read/write $@$G$-$J$/$J$C$F$7$^$C$?!J$J$<$+!"$3$l$,F~$C$F$J(J
$@$$2;3ZMQ$N(J DAT tape $@$@$H@5>o$K(J read/write $@$G$-$k!*(J $@$G$b!"(JC1533A
$@$N$[$&$,(J Media Recognition System $@$,$J$$(J tape $@$K$O=q$1$J$$!K(J
$@$N$G!"8_49@-$N<B83$b=PMh$F$$$^$;$s!#!J(JC1533A $@$N@_Dj$rJQ$($l$P(J
Media Recognition System $@$J$7$N%F!<%W$b07$($k$h$&$K$J$k$s$@$1(J
$@$I!"?.Mj@-$NE@$G$3$N@_Dj$K$O$7$?$/$J$$!#H"$r3+$1$F@_Dj$rJQ$((J
$@$k$N$bLLE]$@$7(J...$@!K(J
