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To: FreeBSD-users-jp@jp.FreeBSD.org
From: Yoshiaki Uchikawa <yoshiaki@kt.rim.or.jp>
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Date: Mon, 08 May 2006 22:40:02 +0900
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Subject: [FreeBSD-users-jp 89510] Re: =?ISO-2022-JP?B?GyRCJCo0KxsoQg==?=
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$B$&$A$+$o$G$9(B

>>>>> From: pokopoko_1969@mail.goo.ne.jp
>>>>> Date: 8 May 2006 14:02:11 +0900

 > $B!&(BSATA$B$O:GDc(B2$B%]!<%H!"$G$-$l$P(B4$B%]!<%HM_$7$$!#(B
 > $B!&%O!<%I%&%'%"(BRAID$B$G$b%=%U%H%&%'%"(BRAID$B$G$b$I$A$i$G$b2D!#(B
 > $B!&%+!<%IM=;;$O!"$G$-$l$P(B1$BK|1_L$K~!"9b$/$F$b(B2$BK|1_L$K~!#(B

4$B%]!<%H$G(B2$BK|0J2<$H$$$&>r7o$rIU$1$k$H(BPromise$B$N(BFastTrack$B$0$i$$$G(B
$B$7$g$&$+!#;d$O(BLSI Logic$B$N(BSCSI$B$N%_%i!<%G%#%9%/$7$+;H$C$?$3$H$O$J$$(B
$B$N$G<+J,$G;H$C$?$3$H$O$J$$$N$G$9$,<B@S$H$$$&E@$G$O$"$kDxEY$"$k(B
$BJ*$@$H;W$$$^$9!#(B

$BB>$O4{$K2sEz$,=P$F$$$^$9$,0l$DIU$12C$($^$9!#(B

$B:#2s$N7o$G$OB>$N5!4o$K:9J,%P%C%/%"%C%W$r<h$C$F$$$k$H$$$&$3$H(B
$B$J$N$GI,MW$O$J$$$+$b$7$l$^$;$s$,!"1?MQ$N;EJ}$K$h$C$F$O(BUFS
snapshot$B$,M-8z$K;H$($k$3$H$,$"$k$+$b$7$l$^$;$s!#(B
$B$3$l$O:n@.$7$?;~E@$N%U%!%$%k%7%9%F%`$N%a%?>pJs$rJ]B8$9$k$H$$$&(B
$B$h$&$J$b$N$G(Bsnapshot$B$r<h$C$?;~E@$N>uBV$,$$$D$G$b<h$j=P$;$^$9!#(B

$B%U%!%$%k%7%9%F%`$"$?$j(B20$B8D:n@.=PMh$^$9$N$GNc$($P(B6$B;~4VKh$K(Bcron
$B$G:n@.$7$F%m!<%F!<%H$9$l$P(B24$B;~4V2TF/$N%^%7%s$G$b(B6$B;~4VC10L$G(B
$B:GBg(B5$BF|A0$N>uBV$^$GLa$9$3$H$,=PMh$k$h$&$K$J$j$^$9!#(B
$B$b$A$m$s%U%!%$%k$NJQ99$,B?$$$H(Bsnapshot$B$G;HMQ$9$kNN0h$,A}$($k(B
$B$N$G%G%#%9%/$N;HMQNL$r05Gw$9$k>l9g$,$"$C$?$j(Bsnapshot$B$N:n@.<+BN(B
$B$,Hf3SE*%3%9%H$N9b$$:n6H$G$"$k$N$G$I$s$J>l9g$G$b;HMQ$G$-$k$o$1(B
$B$G$O$"$j$^$;$s$,!#(B

snapshot$B$O(Bmount$B%3%^%s%I$N(B -o snapshot $B%*%W%7%g%s$^$?$O(Bmksnap_ffs
$B$G:n@.$7$^$9!#$?$H$($P(B/usr$B$N(Bsnapshot$B$r<h$k>l9g$GCV$->l=j$r(B/usr/.snap
$B$H$9$k$H(B
 # mount -u -o snapshot  /usr/.snap/snap1 /usr
$B$^$?$O(B
 # mksnap /usr /usr/.snap/snap2
 # ls -ltotal 136816
-r--------  1 root  operator  120739075008 May  8 21:37 snap1
-r--r-----  1 root  operator  120739075008 May  8 21:40 snap2

$B$G:n@.$5$l$^$9!#$3$l$O(B/dev/md*$B$r;H$C$F%j!<%I%*%s%j!<$N(B
$B%U%!%$%k%7%9%F%`$H$7$F%^%&%s%H$9$k$3$H$,=PMh$^$9!#(B

 # mdconfig -a -t vnode -o readonly -f /usr/.snap/snap1 -u 1
 # mount -r /dev/md1 /mnt
 # df
   :
 /dev/ad4s3g 114197304 34381014 70680506    33%    /usr
 procfs              4        4        0   100%    /proc
 /dev/md1    114197304 34244208 70817312    33%    /mnt

$B>\$7$/$O(Bmount,mksnap_ffs$B$N%^%K%e%"%k$H(B
/usr/src/sys/ufs/ffs/README.snapshot$B$r8+$F$/$@$5$$!#(B
--
  yoshiaki
 ($B$&(B)  
