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From: Ei-ichi Imamura <imamura@criepi.denken.or.jp>
To: FreeBSD-users-jp@jp.FreeBSD.org
In-Reply-To: <2511.192.168.0.2.1205768625.squirrel@192.168.0.4>
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Date: Tue, 18 Mar 2008 16:52:28 +0900
X-Sequence: FreeBSD-users-jp 91478
Subject: [FreeBSD-users-jp 91478] Re: HP SmartArray P400 RAID5 very slow.
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$B!!:#B<!wEECf8&$H?=$7$^$9!#(B

$B!!(BFreeBSD$B$rF~$l$F$$$k%^%7%s$O$9$Y$F(BDL380 G3/4$B$J$b$N$G$9$+$i(B
$B;29M$K$J$k$+$I$&$+$o$+$j$^$;$s$,!"(B

	DL320G5p+HP SmartArray E200/128BBWC
		+SAS36Gbyte$B!_(B3(RAID5)+VineLinux4.2

$B!!$N%^%7%s$K(Bsysstat-8.1.2-1.i586.rpm$B$rF~$l$F7WB,$7$F$_$^$7$?!#(B

Yoshiharu ITO(Tue, 18 Mar 2008 00:43:45 +0900) worte in
	<2511.192.168.0.2.1205768625.squirrel@192.168.0.4>
[..]
>  - dd if=/dev/zero of=zero.bin $B$r<B9T$7$J$,$i(B
>  - iostat 1 $B$N=PNO$rD/$a$k(B
>
>$B$H$$$&$3$H$r$d$C$?$H$-$K!"(B
>
>  - $B=PNO@h$,(B RAID 1 $B%\%j%e!<%`$N>l9g$O$*$*$h$=(B 75MB/sec
>  - $B=PNO@h$,(B RAID 5 $B%\%j%e!<%`$N>l9g$O$*$*$h$=(B 7MB/sec

$B!!=q$-9~$_3+;OD>8e$O(B

Device:            tps    MB_read/s    MB_wrtn/s    MB_read    MB_wrtn
cciss/c0d0      538.00         0.00        61.92          0         61

$B!!$=$N8e!"(BWrite$B%-%c%C%7%e$,$$$C$Q$$$K$J$C$?8e$O!"(B
Device:            tps    MB_read/s    MB_wrtn/s    MB_read    MB_wrtn
cciss/c0d0      293.94         0.01        33.10          0         32

$B!!$H$+$G!"(B31$B!A(B34MB_wrtn/s$BA08e$G$7$?!#(B

$B!!(BDL380G4(SmartArray6i)+U320SCSI 72Gbyte(10krpm)$B!_(B5(RAID5)
		+FreeBSD5.4-amd64
$B$J%^%7%s$G$O(B

      tty             da0            pass0             cpu
 tin tout  KB/t tps  MB/s   KB/t tps  MB/s  us ni sy in id
   0   61 126.68  85 10.51   0.00   0  0.00   0  0  4  0 96
   0  181 125.39  88 10.77   0.00   0  0.00   0  0  4  0 96
   0   61 125.20  82 10.02   0.00   0  0.00   0  0  3  0 97
   0   61 124.00  86 10.40   0.00   0  0.00   0  0  3  0 97
   0   61 125.16  81  9.89   0.00   0  0.00   0  0  3  0 97
   0   61 118.25  81  9.35   0.00   0  0.00   0  0  2  0 97
   0   61 125.23  81  9.90   0.00   0  0.00   0  0  4  0 96
   0   61 117.95  80  9.21   0.00   0  0.00   0  0  2  0 97

$B!!$H$$$C$?46$8$G$7$?!#(B

$B!!(BDL380G5/SA-P400$B%b%G%k$OI8=`$G$O%j!<%I%-%c%C%7%e$N$_$G(B
Write$B%-%c%C%7%e$,L5$$$h$&$G$9$,!"$=$N1F6A$H$$$&$3$H$OL5$$(B
$B$G$7$g$&$+!#(B($B$?$s$J$k21B,$G$9(B(^^;;))

$B!!;29M$K$J$j$^$9$G$7$g$&$+!#!!(B


