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From: "Yoshiharu ITO" <yochy@gamma.ocn.ne.jp>
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Date: Tue, 18 Mar 2008 00:43:45 +0900
X-Sequence: FreeBSD-users-jp 91474
Subject: [FreeBSD-users-jp 91474] HP SmartArray P400 RAID5 very slow.
Sender: owner-FreeBSD-users-jp@jp.FreeBSD.org
X-Originator: yochy@gamma.ocn.ne.jp
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+060209

$B$$$H$&$H$$$$$^$9!#(B

$B>/!9A0$K(B HP SmartArray E200 $B$N%Q%U%)!<%^%s%9$N7o$,OCBj$K$J$C$?$H(B
$B;W$$$^$9!#(B

$BEvJ}$G$O(B DL380 G5 + SmartArray P400 $B$G>/!9:$$C$?$3$H$K$J$C$F$$$^$9!#(B

  - FreeBSD/amd64 7.0-RELEASE $B$r%$%s%9%H!<%k$7$F$$$k(B
  - HDD $B$O(B SAS 146GB $B$r(B 8 $BK\AuCe$7$F$$$k(B
  - DISK 1 $B$H(B DISK 2 $B$G(B RAID 1 $B$NO@M}%\%j%e!<%`$r(B
  - DISK 3 $B!A(B DISK 8 $B$G(B RAID 5 $B$NO@M}%\%j%e!<%`$r:n$C$F$$$k(B

$B$H$$$&4D6-2<$G!"(B

  - 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

$B$H$$$&Ls(B 10 $BG\$N:9$,$"$k7k2L$K$J$C$F$$$^$9(B($B6qBNE*$J=PNO7k2L$O<j85$K(B
$BL5$$$?$a3d0&(B)$B!#(Bbs $B$rA}$d$7$F$b!"$;$$$<$$(B 9MB/sec $BDxEY$^$G$7$+>e$,$j(B
$B$^$;$s!#(B

$B3$30$N%U%)!<%i%`$KF1MM$NJs9p$,$"$k(B
<http://forums11.itrc.hp.com/service/forums/questionanswer.do?admit=109447626+1205768432679+28353475&threadId=1207324>
$B$N$G$9$,!"OC$,ESCf$+$i%M%C%H%o!<%/$NDL?.%Q%U%)!<%^%s%9$KJQ$o$C$?$j$7(B
$B$F7k6I$I$&$J$C$?$N$+$,NI$/$o$+$i$J$$>uBV$K!#(B

$BF1MM$N;vNc$r$4B8CN$NJ}!">pJs$rDs6!$7$F$$$?$@$1$J$$$G$7$g$&$+!#(B

----
$B$h$C$A$$(B


