From owner-FreeBSD-users-jp@jp.freebsd.org  Tue Apr 14 18:27:46 1998
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To: FreeBSD-users-jp@jp.freebsd.org
In-Reply-To: Your message of "Tue, 14 Apr 1998 17:45:46 +0900 (JST)"
	<199804140845.RAA08447@melchior.q.t.u-tokyo.ac.jp>
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Date: Tue, 14 Apr 1998 18:27:39 +0900
From: Masachika ISHIZUKA <ishizuka@ish.org>
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Subject: [FreeBSD-users-jp 27219] Re: file backup
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>   $B$G$-$l$P!"(Bdump $B$d(B dd $B$GDj4|E*$K%P%C%/%"%C%W$r<h$k$N$G$O$J$/!"(BRAID 1
> $B$N$h$&$J(B mirroring $B$r$7$?$$$H;W$$!"2a5n$N%a!<%k$r8!:w$7$?=j!"(B
> [FreeBSD-users-jp 11947] $B$G(B ccd $B$r;H$&$H2DG=$J$h$&$K=q$+$l$F$$$^$7$?!#(B
> $B$7$+$7!"(Bccd(4) $B$d(B ccdconfig(8) $B$r8+$F$b!"(B2$BBf$N(B HDD $B$G(B mirroring $B$5$;$k(B
> $B0Y$N(B ccd.conf $B$N=q$-J}$,NI$/$o$+$i$J$$$N$G$9!#(B
> 
> # $BJ#?t$N%G%#%9%/$r=8$a$F0l$D$N5pBg2>A[%G%#%9%/$r:n$k!"$H$$$&$N$O$J$s$H(B
> # $B$J$/$o$+$j$^$9!#(B

  $B@PDM!w?yJB$G$9!#(B

  ccd $B$r;H$C$F(B home $BEy$r(B $B%_%i!<$7$?$j!"(Bnews spool $B$r(B concatinate
$B$7$?$j$7$F$$$^$9!#@_Dj$O;j$C$F4JC1$G!"(B

% cat /etc/ccd.conf
ccd0            32      6       /dev/sd2g /dev/sd3g
ccd1         65536   none       /dev/sd4f /dev/sd5f

$B$H$$$&46$8$G$9!#(Bccd0 $B$O(B home $B$N$?$a$K(B sd2g $B$H(B sd3g $B$r%_%i!<(B
$B$7$F$$$^$9!#(Bsd2g $B$H(B sd3g $B$O!"$b$A$m$sA4$/F1$8%5%$%:$G$9!#(B
  $B$^$?!"(Bccd1 $B$O(B news spool $B$N$?$a$K(B2$B8D$N(B disk $B$r(B concatinate
($BO"7k(B)$B$7$F$$$^$9!#(B
  $B$I$A$i$b!"(Bccdconfig -C $B$7$FM-8z$K$7$?8e!"(B
newfs /dev/rccd0c $B$N$h$&$K$7$F(B file system $B$r:n$j$^$9!#(B
  $B$"$H$OIaDL$K;H$($^$9!#(B/etc/fstab $B$K(B

/dev/ccd0c      /home                   ufs     rw 1 2
/dev/ccd1c      /var/spool/news         ufs     rw 1 3

$B$N$h$&$K=q$1$P$$$$$G$7$g$&!#(B

>   $B$^$?30$;$J$$MW5a$H$7$F!"0lJ}$N(B HDD $B$,8N>c$7$?$H$7$F$bB(:B$N?75,9XF~$O(B
> $BK>$_Gv$J$N$G!"$7$P$i$/$O8N>c$7$F$$$J$$J}$N$_$G$N1?MQ7QB3$,2DG=!"$H$$$&(B
> $B$N$,$"$k$N$G$9$,!"(Bccd $B$r;HMQ$7$?$H$7$F$3$N$h$&$J1?MQ$O2DG=$J$N$G$7$g$&(B

  $B%_%i!<$7$F$$$k%G%#%9%/$N0lJ}$,2u$l$?>l9g$K$O!"(B/etc/ccd.conf
$B$rJT=8$7$F!"Nc$($P(B sd3g $B$,2u$l$?$J$i(B /dev/sd3g $B$r30$7$F(B

ccd0            32      6       /dev/sd2g

$B$H$7$F(B ccdconfig $B$r:F<B9T$9$k$^$G$O!"0l@Z$N%"%/%;%9$,$G$-$J(B
$B$/$J$kH&$G$9!#$?$@$7!"<B:]$K$O2u$l$?$3$H$,$J$$$N$G>\$7$/$OCN(B
$B$j$^$;$s!#(B

  ccd $B$OHs>o$K0BDj$7$F$$$F!"%_%i!<$b(B concatinate $B$bJXMx$J$N(B
$B$G$9$,!"(Blinux $B$N(B e2comp $B$N$h$&$K(B RAID 5 $B$,%5%]!<%H$5$l$k$H$b(B
$B$C$H4r$7$$$J$!$H4|BT$7$F$$$^$9!#(B
