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From: "Murakami Hiroshi" <nws830@ca2.so-net.or.jp>
To: FreeBSD-users-jp@jp.freebsd.org
Date: Wed, 24 Dec 1997 04:53:41 +0900 (JST)
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Subject: [FreeBSD-users-jp 22708] Expmt. Concatinated Disk driver.
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IBM $@$N(J 4GB,3.5"Ultra-Wide HDD $@$G$"$k(J DCAS-34330UW $@$r!"(J
Adaptec AHA 2940UW $@$N(J Ultra-Wide $@$N%P%9$K$D$J$$$G(J
4.2BSD $@$N%U%!%$%k%7%9%F%`>e$G(J Sequential Read $@$r7W$k$H!"(J
8MB/sec$@DxEY$G$7$?(J.

Ultra-Wide$@$NF10l(JSCSI$@%1!<%V%k>e$KF17?$N%G%#%9%/(J2$@8D$r$D$J$$$G(J
2.2.2R $@$N(JConcatinated Disk $@%I%i%$%P!<$K$h$j(J2$@8D$N(JHDD$@$N(Jinterleave
$@9=@.$r;XDj$7(J(interleave $@CM(J 16), $@M;9g$5$l$?(J8GB$@%5%$%:$N(J
$@%U%!%$%k%7%9%F%`>e$G(J Sequential Read $@$NB.EY$r7W$k$H(J12MB/Sec
$@$0$i$$$G$"$j$^$7$?!#(J

2$@G\6a$/$K$O$J$i$:!"(J1.5$@G\DxEY$K$7$+$J$j$^$;$s$G$7$?!#(J 
2940UW$@$r(J2$@KgMQ$$$FJL!9$N(JSCSI$@%P%9$K(JHDD$@$r$D$J$2$P$b$C$H(J
$@@-G=$,8~>e$9$k$+$b$7$l$^$;$s!#(J

$@Cm(J:
Sequential Read $@$N%U%!%$%k%5%$%:$H$7$F$O(J 64MBytes, 128Mbytes
$@$J$I$H$7$F(Jdd$@$K$h$j7W$C$F$$$^$9!#7W;;5!%7%9%F%`$N%a%$%s%a%b%j!<$O(J
32MBytes$@$G!"(JHDD$@$,FbB"$9$k%-%c%C%7%e$O(J1$@8D$"$?$j(J448Kbytes$@$G$9!#(J
CPU$@$O(JMMX 166MB. 2nd Cache $@$,(J512KB.
