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Date: Tue, 7 Dec 1999 20:00:37 +0900 (JST)
From: Minoru Oikawa <mino@bb.imagica.co.jp>
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Subject: [FreeBSD-users-jp 48037] Re: async (was Re: Oracle8 for Linux on FreeBSD3.1)
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 $B$*$$$+$o(B@IMAGICA $B$G$9!#(B

 3.x $B$K0\9T$7$F$J$$$N$G5$IU$-$^$;$s$G$7$?!#(B
 candy $B$5$s!"8f;XE&$"$j$,$H$&$4$6$$$^$7$?!#(B

 $B$H!"@h$K=R$Y$F$*$$$F!"!V(B3.x $B0J9_$G0c$&!W$H5$IU$/0JA0$K=q$-(B
$B;O$a$?%a!<%k$r$=$N$^$^N.$7$F!"$H!#(B

> From: candy <candy@kgc.co.jp>
> Date: 07 Dec 1999 19:00:13 +0900
> Message-ID: <s7f66ybm5oy.fsf@xxx.kgc.co.jp>

> Minoru Oikawa <mino@bb.imagica.co.jp> writes:
> >  async $B$7$C$Q$J$7$O;d$b7y$G$9$,!";~!9(B mount -u $B$G(B async $B$K$7(B
> > $B$F!"K~B-$7$?$i85$KLa$7$F$^$9!#(B
> 
> $B$=$l$O$9$s$4$/$^$:$$$s$8$c$J$$$+$J$"!#(B
> mount(8) $B$N(B BUGS $B$K$O(B

 $B$"$%(B? $B;d$N;H$C$F$$$k$d$D$K$O$=$&$$$&5-=R$OL5$$$G$9!#(B
 $B$b$A$m$s!"$=$3$K=R$Y$i$l$F$$$k$h$&$J;vBV$,5/$3$C$?;v$b$J$$(B
$B$N$G$7$?!#(B

 $B;d$N?H$N2s$j$G$O(B /usr $B$r(B read-only $B$K$7$F$k$N$,$[$H$s$I$J$N(B
$B$G!"(B
	mount -u rw,async,noatime /usr
	mount -u ro /usr
$B$H$+$r>oF|:"$+$i!"(Basync,noatime $B$OJL$K$9$l$P8^G/0J>e(B($B$b$7$+(B
$B$7$?$i(B 10 $BG/6a$/(B)$B;H$C$F$$$k$s$G$9$1$I!D(B

>      Switching a filesystem back and forth between asynchronous and normal op-
>      eration or between read/write and read/only access using ``mount -u'' may
>      gradually bring about severe filesystem corruption.

 $B$3$l$C$F(B FreeBSD 3.x $B$+$i8=$l$?5-=R$G$9$+(B?
 $B!D$r$)!"(B3.2-RELEASE $B$J%[%9%H$K(B login $B$7$F$_$?$i!"3N$+$K=q$$(B
$B$F$"$j$^$9$M!D(B SOFTDEP $B2=$N$H$-$NI{:nMQ$G$9$+$M$'(B

# $B$&$%!"$^$9$^$9(B 3.x $B:NMQ$G$-$s$G$9(B

 $B$H$$$&$o$1$G!"$o$?$7$N4D6-$G$O$^$:$/$J$$$_$?$$$G$9!#(B

 $B>/$J$/$H$b(B FreeBSD 3.x $B0J9_$r8f;HMQCf$NJ}$O!"(Bmount -u async
$B$7$J$$$[$&$,$h$m$7$$!"$b$7$+$7$?$i(B NetBSD $B$G$b(B SOFTDEP $B;H$C(B
$B$F$k$J$i==J,$K%F%9%H$7$F$+$i;H$$$^$7$g$&!"$H$$$&$3$H$G!#(B

--- mino
