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From: Hiroki Kashiwazaki <reo@iic.hokudai.ac.jp>
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$BGp:j$G$9!%(B

At Tue, 13 Apr 2010 01:23:01 +0900,
Yoshihiko Sarumaru wrote:

> $B$A$J$_$K(B NIC $B$O2?$r$*;H$$$G$9$+!)(B
> em interface slow down on 8.0R
> $B$H$$$&%9%l%C%I$,(B stable@ $B$K$"$C$?$j$7$^$7$?$1$I!#(B
> 
> $B$^$?!"(B
>     * fxp(4) $B$N>l9g$O(B ifconfig fxp0 -tso
>     * em(4) $B$N>l9g$O(B sysctl -w net.inet.tcp.tso=0 
> $B$H(B TSO $B$rL58z$K$7$F$_$k$H2~A1$9$k$H$$$&OC$b$"$k$h$&$G$9!#(B

NIC $B$O(B

% ifconfig bge0
bge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM>
        ether 00:16:36:7e:c7:4a
        inet 133.87.***.*** netmask 0xffffff00 broadcast 133.87.***.255
        inet 192.168.1.2 netmask 0xffffffff broadcast 192.168.1.2
        inet 192.168.1.3 netmask 0xffffffff broadcast 192.168.1.3
        inet 192.168.1.4 netmask 0xffffffff broadcast 192.168.1.4
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active

$B$J$b$N$G$9!%$&!<$s!$(Bfxp $B$G$b(B em $B$G$b$4$6$$$^$;$s$G$7$?!$;DG0!%(B

$B$A$J$_$K(B smartctl $B$N7k2L$G$9$,!$(B

  3 Spin_Up_Time            0x0027   187   187   021    Pre-fail  Always       -
       5633

$B$3$l$H$+!$(B

193 Load_Cycle_Count        0x0032   185   185   000    Old_age   Always       -
       45315

$B$3$l$H$+$NCM$,!$%M%C%H$GD4$Y$k(B smartctl -a $B$N7k2L$HHf$Y$k$HHf3SE*(B
$BBg$-$$5$$,$9$k$N$G$9$,!$$I$&$J$s$G$7$g$&$M!%$"$H(B TYPE $B$,(B Pre-fail
$B$+(B Old_age $B$P$C$+$j$H$$$&$N$OIaDL$=$&$G$7$?$C$1!%(B

  9 Power_On_Hours          0x0032   100   100   000    Old_age   Always       -
       549

$B$@$H$$$&$N$K!D!%(B

-- 
$BGp:j(B $BNi@8(B (Hiroki Kashiwazaki)@HUIST
Assistant Professor @ Graduate School of Information Science and
Technology, Hokkaido University
mailto:reo@iic.hokudai.ac.jp
Tel:+81-11-706-2056 (Office), +81-11-706-2998 (Takai Lab.)
