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Date: Tue, 14 Apr 1998 18:45:50 +0900 (JST)
Message-Id: <199804140945.SAA06788@he.kobelcosys.co.jp>
From: toshi@he.kobelcosys.co.jp (Toshihiko Ueki/=?ISO-2022-JP?B?GyRAPyJMWklSSScbKEo=?=)
References: <199804140845.RAA08447@melchior.q.t.u-tokyo.ac.jp>
	    <19980414181413O.satoru@japan-telecom.co.jp>
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In-reply-to: Satoru Matsushima's message of "Tue, 14 Apr 1998 18:14:13 +0900"
	     <19980414181413O.satoru@japan-telecom.co.jp>
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Subject: [FreeBSD-users-jp 27220] Re: file backup
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In message "[FreeBSD-users-jp 27217] Re: file backup" on 98/04/14,
	Satoru Matsushima <satoru@japan-telecom.co.jp> writes:

>$B>>Eh!wF|K\%F%l%3%`$G$9!#(B

$B?"LZ!w%3%Y%k%3%7%9%F%`$G$9!#(B

>$ cat /etc/ccd.conf
>ccd0    32      6       /dev/sd0s1e /dev/sd1s1e
>ccd1    32      none    /dev/sd0s1f /dev/sd1s1f

SunSoft $B$N(B Solstice Online DiskSuite $B$K$h$k(B mirroring $B$d(B concatenation
$B$O;HMQ$7$F$$$^$9$,!"(Bccd $B$K$D$$$F$O7P83$,$"$j$^$;$s$N$G!"$3$l$K$D$$$F!"(B
$B$A$g$C$H<ALd$r$5$;$F$/$@$5$$!#(B

ccd1 $B$NJ}$O(B flag $B$,(B none $B$G$"$j(B concatenate $B$H$$$&$3$H$G(B interleave $B$K(B
32 $B$r;XDj$7!"C1=c$J(B concatenate $B$G$O$J$/(B striping $B$G;HMQ!"$H$$$&$N$OM}(B
$B2r$G$-$k$N$G$9$,!"(Bccd0 $B$NJ}$O(B CCDF_UNIFORM $B$H(B CCDF_MIRROR $B$,;XDj$5$l!"(B
mirroring $B$5$l$F$$$k$o$1$G$9$N$G!"$3$N>l9g$N(B interleave 32 $B$O$I$N$h$&(B
$B$J0UL#$r;}$D$N$G$7$g$&(B ?

>$B2u$l$?;v$,$J$$$N$G$o$+$j$^$;$s$,!";d$O(B
>$B#1!%8N>c$7$?(Bdisk$B$r@Z$jN%$9!#(B
>$B#2!%(Bccd$B$N9=@.$r2r=|(B
>$B#3!%(Bfstab$B$r=q$-D>$9(B
>$B$G!"I|5l$9$k$D$b$j$G$$$^$9!##2$H#3$O(Bsingle user mode$B$,K>$^$7$=$&$G$9$M!#(B

$B$b$7!"(B2. $B$G(B ccd $B$N9=@.$rC1=c$K2r=|$7$F!"$b$H$N%Q!<%F%#%7%g%s$r%^%&%s%H(B
$B$9$k$h$&(B /etc/fstab $B$r=q$-D>$9$3$H$r$*$C$7$c$C$F$$$k$N$@$H$9$k$H!"$=$l(B
$B$O$^$:$$$N$G$O$J$$$N$G$7$g$&$+(B ?  man 4 ccd $B$K$O!"0J2<$N$h$&$J$/$@$j$,(B
$B$"$j$^$9!#(B

     Note that a one-disk ccd is not the same as the original partition.  In
     particular, this means if you have a filesystem on a two-disk mirrored
     ccd and one of the disks fail, you cannot mount and use the remaining
     partition as itself; you have to configure it as a one-disk ccd.

ccd $B$N9=@.$r2r=|$9$k$N$G$O$J$/!"C10l%G%#%9%/$r9=@.MWAG$H$9$k(B ccd $B$H$7(B
$B$F9=@.$7D>$7$F$+$i%^%&%s%H$9$k!"$H$$$&$N$,@5$7$$$N$G$O$J$$$G$7$g$&$+(B ?

# $B$H$3$m$G!"(Bccd $B$K$O(B DiskSuite $B$K$*$1$k(B metastat $B$N$h$&$J!"%G%#%9%/$N(B
# mirroring $B$d(B concatenation $B$N%9%F!<%?%9$rI=<($5$;$k$h$&$J%3%^%s%IEy(B
# $B$,MQ0U$5$l$F$$$J$$$h$&$K;W$&$N$G$9$,!"$3$l$K$D$$$F$O2?$+JL$NJ}K!$,MQ(B
# $B0U$5$l$F$$$k$N$G$7$g$&$+(B ?  > $B<1<T$NJ}(B
-- 
$B%3%Y%k%3%7%9%F%`3t<02q<R(B  $B%M%C%H%o!<%/%7%9%F%`K\It(B  $B?"LZ(B $BIRI'(B
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