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Date: Fri, 08 Mar 2002 03:51:58 +0900
From: NAKAMURA Takeshi <ta.nakamura@crs.co.jp>
To: FreeBSD-users-jp@jp.FreeBSD.org
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Subject: [FreeBSD-users-jp 67468] Re: RELEASE4.5
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$BCgB<$G$9!#(B

From:    Shinji Tsuchikama <tsuchikm@ff.iij4u.or.jp>
Date:    Fri, 08 Mar 2002 01:30:54 +0900

> $B!&(Bdd $B$G$G$+$$%U%!%$%k$r:n$k(B
> $B!&(Bvnconfig $B$G(B vn0 $B$K3d$jEv$F(B
> $B!&(Bfdisk $B$G(B /dev/vn0 $B$K%Q!<%F%7%g%s$r:n$k(B
> $B!&(Bdisklabel
> $B!&(Bnewfs $B$G(B i-node$B$rB?$/3d$jEv$F$k(B
> $B!&(Bmount
> 
> disklabel $B$G(B
> disklabel: ioctl DIOCWLABEL: Inappropriate ioctl for device
> $B$H$+8@$o$l$F$$$k$N$G!"BLL\$C$]$$$H;W$&$s$G$9$,!#(B
> 
> $B!d<1<T$N2r@b5a$`(B

 $B$d$j$H$j$r8+$F$$$k$HJ,$+$k$H;W$$$^$9$,!"<1<T$G$O$"$j$^$;$s!#(B
$B$G$b!"0JA0;n$7$?;v$,$"$C$F4JC1$@$C$?$h$&$J5$$,$7$?$N$G!"(Bman $B$rD/$a$J$,$i(B...

# $B$A$J$_$K!"(B[FreeBSD-users-jp 67446]$B$K$3$N0F$O=P$F$$$^$9!#(B
$B$?$@!"(BFreeBSD$B$O(B mkfile $B$H8@$&%3%^%s%I$OL5$/!"(Btruncate([FreeBSD-users-jp 67361]$B$h$j(B)
$B$,!"BeMQ$G$-$k$+$H;W$$$^$9!#L^O@(B dd $B$G$b!"(Bvnconfig$B$G$b9=$$$^$;$s!#(B

 /tmp $B$K%U%!%$%k$r:n$j(B vn0 $B$r(B /cdrom $B$K%^%&%s%H$7$^$9!#(B

***===*** $B85$N>uBV(B ***===***
# df -ki /cdrom /tmp
Filesystem  1K-blocks     Used    Avail Capacity iused   ifree  %iused  Mounted on
/dev/ad2s2a    127023    83575    33287    72%    2762   28980     9%   /
mfs:24         515598       12   474340     0%       7   64503     0%   /tmp

***===*** vn0$B$r:n$C$F%^%&%s%H$7$^$9!#LLE]$J$N$G(B vnconfig $B$K(B ***===***
***===*** 100M $B$N%U%!%$%k$b$D$$$G$K:n$C$F$b$i$$$^$9!#(B      ***===***
# vnconfig -S 100m -T -s labels -c vn0 /tmp/FILE
# disklabel -r -w vn0 auto
# newfs vn0c
Warning: Block size restricts cylinders per group to 97.
/dev/vn0c:      204800 sectors in 50 cylinders of 1 tracks, 4096 sectors
        100.0MB in 1 cyl groups (97 c/g, 194.00MB/g, 12800 i/g)
super-block backups (for fsck -b #) at:
 32
# mount /dev/vn0 /cdrom
# df -ik /cdrom /tmp
Filesystem  1K-blocks     Used    Avail Capacity iused   ifree  %iused  Mounted on
/dev/vn0       100750        2    92688     0%       1   12797     0%   /cdrom
mfs:24         515598     1756   472596     0%       8   64502     0%   /tmp
***===*** i-node $B$r0l$D;H$$$^$7$?!#$G$b!"MFNL?)$C$F$J$$$J$!(B ***===***

***===*** $B=PMh$?(B vn $B$K%U%!%$%k$r=q$-9~$s$G$_$^$9!#(B***===***
# cd /usr/src
# tar cf - . | ( cd /cdrom ; tar xf - )
/cdrom: write failed, file system is full
# df -ik /cdrom /tmp
Filesystem  1K-blocks     Used    Avail Capacity iused   ifree  %iused  Mounted on
/dev/vn0       100750   100750    -8060   109%    6889    5909    54%   /cdrom
mfs:24         515598   102460   371892    22%       8   64502     0%   /tmp
***===*** /cdrom $B$NMFNL$,$"$U$l$F$7$^$$$^$7$?$,!"(B                    ***===***
***===*** /tmp $B$N(B i-node $B$OJQ2=$J$7(B $BMFNL$O$=$l$J$j$K?)$C$F$/$l$?$+$J(B ***===***

***===*** $B=*$o$C$?$i!"$*JR$E$1(B ***===***
# umount /cdrom
# vnconfig -u vn0
# rm /tmp/FILE
# df -ki /cdrom /tmp
Filesystem  1K-blocks     Used    Avail Capacity iused   ifree  %iused  Mounted on
/dev/ad2s2a    127023    83575    33287    72%    2762   28980     9%   /
mfs:24         515598       12   474340     0%       7   64503     0%   /tmp
***===*** $B$O$$!"85DL$j(B ***===***

 $B$A$J$_$K!"(Bkernel$B$K!V(Bpseudo-device vn$B!W$,$"$C$?J}$,$$$$$+$b$7$l$^$;$s!#(B
$B!V(Bkldload vn$B!W$G$O!"EZ3x$5$s$N8@$o$l$k$h$&$K(B
disklabel: ioctl DIOCWLABEL: Inappropriate ioctl for device
$B$HE\$i$l$F!"$&$^$/$$$-$^$;$s$G$7$?!#(B
(B...$B$H!":F3NG'$N$?$a(Bkernel $B$+$i(B vn $B$r30$9$H(B $B2?8N$+$&$^$/$$$-$^$9$M$'!#(B
$B2?$,0-$+$C$?$s$@$m$&!#<j=g$,0-$+$C$?$N$+$J$!!#(B


$BMFNL$r?)$o$J$+$C$?$N$,Ff$@$C$?$N$G!">/$7Bg$-$/$7$F<B(Bdisk$B$K:n$C$F$_$^$7$?!#(B
# df -k /usr/ports/
Filesystem   1K-blocks     Used    Avail Capacity  Mounted on
/dev/ad0s2c   10579434  1445892  8287188    15%    /usr/ports
# vnconfig -S 500m -T -s labels -c vn0 /usr/ports/V-NODE
# disklabel -r -w vn0 auto
# newfs vn0c
Warning: Block size and bytes per inode restrict cylinders per group to 90.
/dev/vn0c:      1024000 sectors in 250 cylinders of 1 tracks, 4096 sectors
        500.0MB in 3 cyl groups (90 c/g, 180.00MB/g, 21120 i/g)
super-block backups (for fsck -b #) at:
 32, 368672, 737312
# mount /dev/vn0 /cdrom
# df -k /usr/ports/ /cdrom
Filesystem  1K-blocks     Used    Avail Capacity  Mounted on
/dev/ad0s2c  10579434  1452308  8280772    15%    /usr/ports
/dev/vn0       503966        2   463648     0%    /cdrom
# ls -l /usr/ports/V-NODE
------xr--  1 root  wheel  524288000 Mar  8 03:33 /usr/ports/V-NODE

$B$I$&$d$i(Bvnconfig$B$@$H!"(Bdb$B$NMM$K(B $B%[!<%k$N$"$k%U%!%$%k$,=PMh$F$7$^$&$N$G$9$M!#(B
$B$G$O!"(Bdd$B$@$H!)(B
# dd if=/dev/null of=/usr/ports/V-NODE count=0 oseek=524288000
0+0 records in
0+0 records out
0 bytes transferred in 0.000028 secs (0 bytes/sec)
# df -k /usr/ports/
Filesystem   1K-blocks     Used    Avail Capacity  Mounted on
/dev/ad0s2c   10579434  1444196  8288884    15%    /usr/ports
# ls -l /usr/ports/V-NODE
------xr--  1 root  wheel  268435456000 Mar  8 03:39 /usr/ports/V-NODE

$B$3$s$J$N(B dump $B$7$?$i(B restore $B$G$-$J$$$h!#$=$l0JA0$K!"(Bdump$B$9$k$@$1%a%G%#%"$,(B...
$B%Q!<%_%C%7%g%s$,JQ$J$s$F8@$C$F$k%l%Y%k$8$c$J$$$h(B($B$$$d!"$=$C$A$NJ}$,Bg;v$@$1$I(B)
# $BC10L(B($B%V%m%C%/$H(B bytes)$B$r4V0c$($?$i$7$$!#$d$C$QLk$O?2$J$$$H!#(B

$B$J$s$+!"OC$,0c$&J}8~$X$=$l$F$7$^$$$^$7$?!#(B
----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+
 $B3t<02q<R%7!<%"!<%k%7!<%7%9%F%`%:(B $B%7%9%F%`1?1DBh#3It(B $BBh#42](B
 $BCgB<(B $BIp(B <ta.nakamura@crs.co.jp>
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