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To: FreeBSD-users-jp@jp.FreeBSD.org
From: Kazumaro Aoki <ka@flu.if0.org>
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Subject: [FreeBSD-users-jp 91580] Re: =?ISO-2022-JP?B?GyRCJUchPBsoQg==?=
 =?ISO-2022-JP?B?GyRCJT8kTj5DNW4bKEI=?=, newfs
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From: Yoshihiro Ota <ota@j.email.ne.jp>
Subject: [FreeBSD-users-jp 91577] Re: $B%G!<%?$N>C5n(B, newfs
Date: Sat, 19 Apr 2008 21:59:42 -0400

> > $B$"$H$O!V0E9f2=!W$GBg>fIW$@$H$$$&$3$H$rG'$a$F$/$l$J$$?M$KBP$7$F$I$&$9$k(B
> > $B$+$H$$$&OC$0$i$$$G$7$g$&$+!#$3$3$+$i@h$O$?$@$N46>pO@$G5;=QE*$K$I$&$3$&(B
> > $B$G$-$kLdBj$G$O$"$j$^$;$s$+$iCOF;$J7<LX3hF0$7$+$J$$$H;W$C$F$$$^$9!#(B
> > 
> > $B$b$C$H$b(Bgshsec$B$O(Bonline manual$B$r8+$k$@$1$G$O0E9f$H$+$=$N4XO"5;=Q$r;H$C$F(B
> > $B$$$k$+$I$&$+$OITL@$G$9$1$I!#(B
> 
> GEOM $B$OC1BN$G;H$C$F$b6/NO$JJ*$bB?$$$G$9$,!"AH$_9g$o$;$k$H99$K6/NO$K$J$j$^$9!#(B
> $B$b$7!"(Bgshsec $B<+BN$O0E9f2=$r$7$J$/$F$b!"(Bgshsec $B$G:n$C$?%G%P%$%9$K(B geli $B$r(B
> $B;H$($P!":G=*E*$JL\E*$OC#@.$G$-$^$9!#(B

/sys/geom/shsec/g_shsec.c$B$r(B30$BIC$/$i$$$G<P$aFI$_$7$?46$8$G$O!"(Bgshsec$B$OJ#(B
$B?t%G%#%9%/4V$G!"(Bsecret sharing$B$C$]$$$3$H$r$7$F$$$k$h$&$J46$8$K8+$($^$9!#(B
$B$s$G!"%G!<%?$rJ,G[$9$k;~$K(Barc4random()$B$r;H$C$FJR$o$l$r:n$C$F$$$kMM$J$N(B
$B$G!"(Bgshsec$B$N;~E@$G4{$K0E9f2=$_$?$$$J46$8$G$9$M!#(B
arc4random()$B$,0E9f3XE*$K0BA4$@$H?.$8$i$l$k$J$i!VJRJ}$rEp$^$l$?$iJRJ}$K(B
$B4X$9$k>pJs$,1L$l$J$$!W$H$$$&$N$r?.$8$i$l$k$h$&$G$9!#(B

$B$b$C$H$b!"$A$c$s$H(Bsource code$B$rFI$s$G$$$J$$$N$G!"A4A30c$&$3$H$r$7$F$$(B
$B$k$N$+$b$7$l$^$;$s$,!#(B

> $B0E9f2=$@$1$G$OG'$a$i$l$J$$$N$J$i!"(Bgstripe $B$GJ#?t$N%G%#%9%/$r$^$?$$$G?75,$K(B
> $B%G%P%$%9$r:n$j!"99$K(B geli $B$r3]$1$l$P!"!VA4$F$N%G%#%9%/$r<j$KF~$l$F!"$+$D(B
> $BI|9f$N0Y$N80$r$b$C$F$$$J$1$l$P!W%G!<%?$N:F9=C[$O$G$-$^$;$s!#(B
> 
> $B99$K!"(Bggated/ggatec $B$rMQ$$$F!"J#?t$N%G%#%9%/$rJ#?t$N%[%9%H$KJ,;6$9$k;v$b(B
> $B=PMh$^$9!#(Bgstripe/geli $B$H6&$KMQ$$$l$P!"%3%s%T%e!<%?$r0lBfEp$s$@$@$1$G$O(B
> $B%G!<%?$OI|9f$G$-$^$;$s!#(B

geom$B$C$F(Bnetwork$B1[$7$K$^$G=PMh$k$h$&$K$J$C$F$$$?$s$G$9$M!#=i$a$FCN$j$^$7$?!#(B
$B2?$+$N;~$K;H$($=$&$G$9!#>pJs$"$j$,$H$&$4$6$$$^$9!#(B

> $B$b$7!"$=$3$^$G4hD%$C$F$b?.$8$F$b$i$($J$$$N$J$i!";d$r?.$8$J$$$G<+J,$GA4$F(B
> $B$d$C$F2<$5$$$H8@$&$7$+$J$$$G$7$g$&!#(B;p

$B!V0E9f$G$O%@%a!W$H$$$&?M$NKX$s$I$O46>pE*$J$b$N$J$N$G!"2?$r$$$C$F$bBLL\(B
$B$@$H;W$$$^$9!#!VK|$,0lA4It$N%G%#%9%/$,=8$a$i$l!"$?$^$?$^;n$7$?$N$,HkL)(B
$B80$K0lCW$7$?$iI|85$G$-$k$s$G$7$g$&!)!W$H$+!"%j%9%/4IM}$NDjNLE*$JI>2A$r(B
$BL5;k$7$FDj@-E*$J$3$H$P$+$j8@$C$F$/$k$N$G!#(B


From: Takahiro Kambe <taca@back-street.net>
Subject: [FreeBSD-users-jp 91569] Re: $B%G!<%?$N>C5n(B, newfs
Date: Sat, 19 Apr 2008 13:16:25 +0900

> > $B:#2s$N7o$G$O!"$H$j$"$($:(BS.M.A.R.T.$BBP1~%I%i%$%V$G$"$l$P(B
> > ports/sysutils/smartmontools$B$rF~$l$F(B
> > # smartctl -s on /dev/ad0
> > # smartctl -a /dev/ad0|grep Reallocated_Sector_Ct
> > $B$H$+$7$F!V(B0$B!W$J$i$=$&$$$&%;%/%?$O$J$$$N$GBg>fIW$@$H$O;W$$$^$9$1$I!#(B
> $B$3$N(Bsmartctl$B$G!"$I$N$h$&$KI=<($5$l$k$+$OB8$8$^$;$s$,!"(B
> 	Current pending sector
> 	Offline uncorrectable
> $B$H$$$C$?$"$?$j$,%<%m$G$J$$$H!"A4%;%/%?>e=q$-$N7k2L8e$+$i(B Reallocated
> sector count$B$K2s$k$3$H$b$"$k$N$G!"Cm0U$,I,MW$G$9!#(B

$B<j85$N(BPATA HD$B$G;n$7$?$H$3$m(Bsmartctl$B$G$O$=$l$>$l(B
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  5 Reallocated_Sector_Ct   0x0033   253   243   063    Pre-fail  Always       -       0
197 Current_Pending_Sector  0x0008   253   243   000    Old_age   Offline      -       0
198 Offline_Uncorrectable   0x0008   124   124   000    Old_age   Offline      -       129
$B$J$I$HI=<($5$l$k$h$&$G$9!#(B

$B@DLZOBKcO$!wEl5~ET:_=;(B
