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Date: Thu, 19 Feb 1998 14:39:38 +0900 (JST)
Message-Id: <199802190539.OAA02575@leominor.bsd1.kbnes.nec.co.jp>
From: Shogo Fujii <shogo@bsd1.kbnes.nec.co.jp>
To: FreeBSD-users-jp@jp.freebsd.org
In-Reply-To: <199802190244.LAA02718@toto.noc.titech.ac.jp>
References: <199802190244.LAA02718@toto.noc.titech.ac.jp>
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Subject: [FreeBSD-users-jp 24787] Re: Ultra WIDE SCSI
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$BF#0f!w(BNEC$B%=%U%H%&%'%"?@8M$G$9!#(B

>>>>> "IIJIMA" == IIJIMA Akihiro <aki@noc.titech.ac.jp> writes:
IIJIMA> 
IIJIMA> $B!cBg$-$J<ALd!d(B
IIJIMA> FreeBSD$B$G$O(B Ultra WIDE $B$J(B SCSI Disk $B$r(B Ultra WIDE $B$H$7$FMxMQ$G$-(B
IIJIMA> $B$^$9$+!)(B
IIJIMA> 	2.2.5$B$G$O(B $B$^$@;H$($J$$(B $B$H$$$&Ez$($r4|BT(B

$B;DG0$J$,$i;HMQ$G$-$F$$$^$9!#(B
$B!t(B $B%^%7%s4D6-$O<!$N<ALd$K=q$$$F$$$^$9!#(B

IIJIMA> $B!c>.$5$J<ALd!d(B
IIJIMA> FreeBSD 2.2.5R , AHA-2940UW $B$G(B 
IIJIMA> Ultra WIDE $B$J(B SCSI Disk $B$r(B Ultra WIDE $B$H$7$FMxMQ$G$-$F$$$k?M$O$$(B
IIJIMA> $B$^$9$+!)(B

$B$O$$!"$3$N9=@.$GMxMQ$G$-$F$$$^$9!#(B
Disk $B$O(B IBM $B$N(B DCAS-34330UW $B$G$9!#$<$s$<$sLdBjL5$/MxMQ$G$-$F$$$^$9!#(B
$BH>G/DxA0$+$i(B 24 $B;~4V2TF/$5$;$F$$$^$9$,LdBj$"$j$^$;$s!#(B
dmesg $B$r$3$N8e$N<ALd$KE:IU$7$^$7$?!#(B

IIJIMA> $B!c>.$5$J<ALd!d(B
IIJIMA> AHA-2940UW $B$K(B Ultra WIDE$B$J(BDisk$B$r7R$$$G$$$^$9$,!"(Bdmesg$B$N(B
IIJIMA>   ahc0:A:4: refuses WIDE negotiation.  Using 8bit transfers
IIJIMA> $B$N0UL#$r65$($F$/$@$5$$!#(B

$B>\$7$/$O$o$+$j$^$;$s!#B>$NJ}$K$*G$$;$$$?$7$^$9!#(B

IIJIMA> $B!c>.$5$J<ALd!d(B
IIJIMA> AHA-2940UW $B$K(B Ultra WIDE$B$J(BDisk$B$r7R$$$G$$$^$9$,!"(BFreeBSD$B$,(B $B$=$l$i(B
IIJIMA> $B$N(BDisk$B$r(B Ultra SCSI $B$b$7$/$O(B Ultra WIDE$B$H$7$F(B $B$I$A$i$GG'<1$7$F$$(B
IIJIMA> $B$k$N$+CN$kJ}K!$O(B $B$"$j$^$;$s$+!)(B 
IIJIMA> 	boot: $B$G(B -v $B$D$1$k$H$+(B
IIJIMA> 	$B$J$K$+%3%^%s%I$G$o$+$C$?$j$7$^$9$+!)(B

$B%3%^%s%I$O$o$+$j$^$;$s$,!"(Bboot: $B$G(B -v $B$r$D$1$k$H0J2<$N$h$&$KI=<($5$l$^$9!#(B
$B!t(B $B$3$N$?$a$K%5!<%P$r(B reboot $B$7$A$c$$$^$7$?!#(B
=====
ahc0 <Adaptec 2940 Ultra SCSI host adapter> rev 0 int a irq 11 on pci0:12
        mapreg[10] type=1 addr=0000d400 size=0100.
        mapreg[14] type=0 addr=e2000000 size=1000.
        reg16: ioaddr=0xd400 size=0x100
ahc0: Reading SEEPROM...done.
internal50 cable is present
internal68 cable is present
brdctl == 0x2c
external cable not present
eprom is present
brdctl == 0xec
low byte termination disabled, high byte termination enabled
ahc0: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
ahc0: Resetting Channel A
ahc0: Downloading Sequencer Program...ahc0: 373 instructions downloaded
Done
ahc0: Probing channel A
ahc0: target 0 using 16Bit transfers
ahc0: target 0 synchronous at 20.0MHz, offset = 0x8
(ahc0:0:0): "IBM DCAS-34330W S65A" type 0 fixed SCSI 2
sd0(ahc0:0:0): Direct-Access 4134MB (8467200 512 byte sectors)
sd0(ahc0:0:0): with 8205 cyls, 6 heads, and an average 171 sectors/track
ahc0: target 1 using 16Bit transfers
ahc0: target 1 synchronous at 20.0MHz, offset = 0x8
(ahc0:1:0): "IBM DCAS-34330W S65A" type 0 fixed SCSI 2
sd1(ahc0:1:0): Direct-Access 4134MB (8467200 512 byte sectors)
sd1(ahc0:1:0): with 8205 cyls, 6 heads, and an average 171 sectors/track
ahc0: target 2 using 16Bit transfers
ahc0: target 2 synchronous at 20.0MHz, offset = 0x8
(ahc0:2:0): "IBM DCAS-34330W S65A" type 0 fixed SCSI 2
sd2(ahc0:2:0): Direct-Access 4134MB (8467200 512 byte sectors)
sd2(ahc0:2:0): with 8205 cyls, 6 heads, and an average 171 sectors/track
ahc0: target 3 using 16Bit transfers
ahc0: target 3 synchronous at 20.0MHz, offset = 0x8
(ahc0:3:0): "IBM DCAS-34330W S61A" type 0 fixed SCSI 2
sd3(ahc0:3:0): Direct-Access 4134MB (8467200 512 byte sectors)
sd3(ahc0:3:0): with 8205 cyls, 6 heads, and an average 171 sectors/track
ahc0: target 4 synchronous at 10.0MHz, offset = 0xf
(ahc0:4:0): "SEAGATE ST12550N 0013" type 0 fixed SCSI 2
sd4(ahc0:4:0): Direct-Access 2040MB (4178874 512 byte sectors)
sd4(ahc0:4:0): with 2708 cyls, 19 heads, and an average 81 sectors/track
=====

sd0, sd1, sd2, sd3 $B$,(B Ultra WIDE(IBM DCAS-34330UW) $B$G$9!#(B
sd4 $B$,C1$J$k(B SCSI-2 $B$N%G%#%9%/$G$9!#(B

$B$3$N(B dmesg $B$+$i0J2<$N$h$&$J$3$H$,$o$+$j$^$9!#(B

$B!V(Bahc0: target 0 using 16Bit transfers$B!W(B
$B$3$l$G(B WIDE $B$G$"$k$3$H$,$o$+$j$^$9!#(B

$B!V(Bahc0: target 0 synchronous at 20.0MHz, offset = 0x8$B!W(B
$B$3$l$G(B Ultra $B$G$"$k$3$H$,$o$+$j$^$9!#(B

$B$3$l$i$+$i3:Ev%G%#%9%/$,(B Ultra WIDE $B$G$"$k$3$H$,$o$+$j$^$9!#(B

IIJIMA> $B!c>.$5$J<ALd!d(B
IIJIMA> $BGc$C$?(BDisk$B$,(B SCSI-2$B$J$N$+(B Ultra SCSI$B$J$N$+(B WIDE SCSI $B$J$N$+(B Ultra WIDE
IIJIMA> SCSI$B$J$N$+$r(B $B8+J,$1$kJ}K!$O(B $B$I$s$JJ}K!$,$"$j$^$9$+!)(B
IIJIMA> 	BIOS
IIJIMA> 	DOS/Win
IIJIMA> 	FreeBSD
IIJIMA> $B$I$l$G$b$$$$$G$9$+$i(B $B65$($F$/$@$5$$!#(B

$B$&!<$`!"Gc$C$?%G%#%9%/$N8+J,$1J}$O7?HV$H!"$"$H$O@_Dj$r@5$7$/(B($B$"$k$Y$-@_(B
$BDj(B)$B$7$F7R$$$G(B dmesg(-v) $B$G3NG'$9$k$7$+$J$$$N$G$O$J$$$G$7$g$&$+!#(B

IIJIMA> $B!c>.$5$J<ALd!d(B
IIJIMA> FreeBSD$B$GF0$/(B Disk$B$NE>AwB.EY$rB,$k%Y%s%A%^!<%/%=%U%H$O$I$s$J$b$N(B
IIJIMA> $B$,$"$j$^$9$+!)(B

$B;d$O%Q%C%1!<%8$K$"$k(B bonnie $B$r;H$C$F$$$^$9!#(B
$B0J2<$N$h$&$J7k2L$r8+$k$3$H$,$G$-$^$9!#(B

              -------Sequential Output-------- ---Sequential Input-- --Random--
              -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
Machine    MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU  /sec %CPU
          100  8321 53.7  8926 21.2 10161 36.7 15220 98.2 68752 94.6 1862.5 23.0
          100  7812 48.4  7897 15.4  8518 26.5 15461 99.8 96768 98.0 942.5  8.9
          100  3027 18.5  3053  5.8  1011  3.1 15550 100.0 100962 99.9 928.7  8.7

$B>e$+$i=g$K(B
    $B!&(Bsd0 $B$H(B sd1 $B$r(B ccd $B$G(B striping $B$7$?$b$N(B
    $B!&(Bsd2(ufs)
    $B!&(Bsd4(ufs)
$B$N7k2L$G$9!#(B
$B$3$l$r8+$F!"$^$!$3$s$J$b$s$+$J$HG<F@$7$F$$$^$9!#$$$/$i(B Ultra WIDE $B$H$$$C(B
$B$F$b%G%#%9%/<+BN$,CY$$(B(5,400rpm)$B$N$GHfNc$7$FB.$/$J$k$o$1$G$O$J$$$G$9$+$i(B
$B$M!#$G!"$=$l$rJd$&$?$a$K(B ccd $B$r;H$C$?$j$b$7$F$$$^$9!#$^$@>e<j$/%A%e!<%s(B
$B$G$-$F$$$^$;$s$,!#(B

IIJIMA> $B<ALd$P$+$j$G$9$$$^$;$s!#$G$b(B $B$-$C$HF1$8$h$&$JG:$_$r;}$C$F$$$k?M$,$$$k(B
IIJIMA> $B$+$J$!$H;W$C$F<ALd$7$^$9!#Ez$($O(B QandA$B$K$7$^$9!#(B

$B;d$b:G=i$OG:$_$^$7$?!#(BQ and A $B$K$J$l$P9,$;$J?M$,$b$C$HA}$($k$H;W$$$^$9!#(B
Ultra WIDE 4GB $B$J$i(B 4 $BK|1_A08e$G<j$KF~$k;~Be$K$J$j$^$7$?$7$M!#(B
$B!t(B $BH>G/A0$O(B 1 $BBf(B 8 $BK|1_0L$G$7$?$h$M!*(B  $B0B$/$J$C$?$b$s$@!#(B

$B;29M$K$J$j$^$7$?$i9,$$$G$9!#(B
---
 -- Shogo Fujii($BF#0f(B  $B>J8c(B) --
 NEC Software Kobe Co.,Ltd. 1st Basic Software Development Department
