From owner-FreeBSD-tech-jp@jp.freebsd.org  Wed Sep 24 22:16:13 1997
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To: FreeBSD-tech-jp@jp.freebsd.org
From: KATO Takenori <kato@ganko.eps.nagoya-u.ac.jp>
In-Reply-To: Your message of "Wed, 24 Sep 1997 21:48:15 +0900"
References: <199709241248.VAA09549@sras63.sra.co.jp>
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Date: Wed, 24 Sep 1997 22:16:08 +0900
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Subject: [FreeBSD-tech-jp 643] Re: panic when I use vn driver on RELENG_2_2
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$B2CF#!wL>Bg4d9[$G$9!%(B


>   $B$2$2!"$^$A$,$C$F$b8EED$O!V$=$NJ}LL!W$J?M4V$G$O$J$$$H;W$&$N$G$9$,!D(B

$B;d$+$i8+$l$P$I$&8+$F$b!V$=$NJ}LL!W$G$9(B :-)$B!%(B


> $B$O(B 3. $B$N$O$:$G$9!#$G2<0L%l%$%d$N(B ffs_write $B$K(B 3. $B$,EO$k0J>e!"7h$7$F(B
> vnstrategy() $B$,8F$S=P$5$l$k$O$:$,$J$$$N$G$9!#(B($B0J>e8EED$NM}2r$N@$3&(B)

$B;d$b$=$&;W$&$N$G$9$,(B....  $B$H$K$+$/!$$J$s$G(Bvnstrategy$B$KLa$C$F$/$k$N$+(B
$BM}2r$G$-$J$$$N$G$9!%(B

$B@dBP$K(Bcluster write$B$K%P%0$,$$$k$H;W$$$^$9!%(Bunion fs$B$r;H$C$F$$$F(Bbounce
buffer$B$,$i$_$GFf$N(Bpanic$B$r$9$N$G$9$,!$I,$:(Bcluster write$B$G!$$7$+$b!$(B
strategy$B$,Mm$s$G$$$k%1!<%9$,$[$H$s$I$G$7$?!%$=$N;~$+$i(Bcluster write$B$,(B
$B2x$7$$$H;W$C$F$$$k$s$G$9$,!$2?$,0-$$$N$+$^$C$?$/8!F$$,$D$+$J$$>uBV$G$9!%(B
vnode fs$B$K$7$m(Bunion fs$B$K$7$m!$0[$J$k(Bvnode$B$rA`:n$9$k$H$$$&$H$3$m$,%P%0(B
$B$KEv$kM}M3$J$N$@$m$&$H;W$C$F$$$^$9!%(B


cluster write$B$K%P%0$,$$$k$H$$$&$N$O2?EY$+6+$s$@$N$G$9$,!$$$$^$N$H$3$m(B
$B$J$*$j$=$&$K$"$j$^$;$s!%(Bcluster write$B$r$J$*$9$N$,(Breal fix$B$@$H;W$&$N$G(B
$B$9$,;~4V$,$+$+$j$=$&$J$N$G!$<B8=$G$-$=$&$J$N$O!$(B

  1 vnode filesystem$B$N;~$O>o$K(Bcluster read/write$B$r(Boff$B$K$9$k!%(B(cluster
    read$B$b(Boff$B$K$9$k$N$O!$$=$A$i$K%P%0$,$$$J$$$H$$$&<+?.$,$J$$$+$i(B)
  2 mount option$B$G(Bcluster read/write$B$r(Boff$B$K$9$k!%(B

$B$H$$$&$b$N$G$9!%(B1$B$O$9$G$K%Q%C%A$,$G$-$"$,$C$F$$$^$9!%(B2$B$O$A$g$C$H;~4V$,(B
$B$+$+$j$=$&$G$9(B($B%+!<%M%kB&$O$9$0$K$G$-$k$N$G$9$,!$(Bmount(8)$B4X78$,$o$1$o(B
$B$+$s$J$$$N$G$9(B)$B!%(B


>   $B$&!"%O%a$i$l$A$c$C$?$N$+$7$i!#(B:-)

$B$O$^$C$F$/$@$5$$(B :-)$B!%(B

----
KATO Takenori <kato@ganko.eps.nagoya-u.ac.jp>
Dept. Earth Planet. Sci., Nagoya Univ.,  Nagoya, 464-01, Japan
PGP public key: finger kato@eclogite.eps.nagoya-u.ac.jp
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