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To: freebsd-users-jp@jp.FreeBSD.org
From: ARIGA Seiji <ariga@os.rim.or.jp>
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Date: Sun, 01 Sep 2002 04:20:46 +0900
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Subject: [FreeBSD-users-jp 70553] make a copy of boot disk
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X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+020829

$B$3$s$K$A$O!$M-2l$H?=$7$^$9!%(B

>df -h
Filesystem    Size   Used  Avail Capacity  Mounted on
/dev/ad0s1a   904M   302M   530M    36%    /
/dev/ad1s1e    12G   5.6G   5.9G    49%    /mnt/disk1
/dev/ad2s1e   9.2G   7.0G   1.5G    83%    /mnt/disk2
/dev/ad3s2e   1.9G   2.0K   1.7G     0%    /mnt/disk3
procfs        4.0K   4.0K     0B   100%    /proc

$B8=:_$3$N$h$&$J>uBV$G;H$C$F$$$k$N$G$9$,!$(Bad0 $B$,2u$l$+$1$F$*$j!$(Bdisk error
$B$rIQH/$9$k$h$&$K$J$C$?$N$G!$;H$C$F$$$J$$(B ad3 $B$r;H$C$F(B / $B$N(B copy $B$r:n$j!$(B
ad3 $B$+$i(B boot $B$7$h$&$H;W$$$^$7$?!%(B

$B$3$N$H$-$N(B ad3 $B$N(B fdisk/disklabel $B$N>uBV$O!$2<$K$"$k(B [*1] [*2] [*3] $B$N(B
$BDL$j$G$9!%(B

FreeBSD Q&A 1859 $B$r;29M$K$7$F!$(Bad0 $B$+$i(B ad3 $B$X%U%!%$%k$r$9$Y$F%3%T!<$7=*(B
$B$j!$(Bad0 $B$r@Z$jN%$7$F5/F0$7$F$N$G$9$,!$(B"invalid partition" $B$H8@$o$l$F5/F0(B
$B$7$^$;$s$G$7$?!%$?$a$7$K(B ad0 $B$N(B /etc/fstab $B$K(B
  /dev/ad3s2e  /  ufs  rw  1 1
$B$H=q$$$F$_$?$H$3$m!$IaDL$K5/F0$7$^$7$?!%$A$J$_$K!$$=$N$H$-$N>uBV$O<!$NDL(B
$B$j$G$9!%(B

>df -h
Filesystem    Size   Used  Avail Capacity  Mounted on
/dev/ad3s2e   1.9G   302M   1.4G    17%    /
/dev/ad1s1e    12G   5.0G   6.5G    43%    /mnt/disk1
/dev/ad2s1e   9.2G   7.0G   1.5G    83%    /mnt/disk2
procfs        4.0K   4.0K     0B   100%    /proc

$B$=$3$G!$(BGoogle $B$N7k2L$K=>$C$F!$0J2<$r;n$7$F$_$^$7$?!%(B

  1. /stand/sysinstall $B$G(B [Configure]-[Fdisk] $B$+$i(B ad3 $B$rA*$S!$(B'ad3s2' $B$r(B
     $BA*Br$7(B 'S' $B$G(B Bootable $B$K$7$F$+$i(B 'w' $B$r$7!$(B'BootMgr' $B$rA*Br!%:F5/F0(B
     $B$9$k$,(B 'Invalid Partition' $B$H8@$o$l$k!%(B

  2. boot0cfg -B -o packet /dev/ad3s2 $B$H$7$F$+$i!$(Bprimary/master $B$K$D$J(B
     $B$$$G$_$k!%(B
       F1: FreeBSD
       F2: FreeBSD
       F5: ($B2?$H=q$$$F$"$C$?$+K:$l$^$7$?(B)
     $B$H=P$k$,!$(BF2 $B$r2!$7$F$b!V%T%C!W$H%S!<%W2;$,$9$k$@$1$G!$5/F0$;$:!%(B

  3. $B%U%m%C%T!<$r;H$&J}K!$b$"$C$?$,!$$$$^$$$A$@$C$?$N$G;n$5$:!%(B

$B$G$-$l$P!$(Bad3 $B$K$D$J$$$@$^$^(B(primary/master $B$r6u$1$F(B)$B!$(Bad3 $B$+$i5/F0$7(B
$B$?$$$N$G$9$,!$$G$-$J$1$l$P(B ad3 $B$r(B primary/master $B$K$D$J$.BX$((B(ad0 $B$H$9(B)
$B$k$N$b$"$j$G$9!%(B

$B$H$j$"$($:!$2?$r$9$l$P(B ad3 $B$r5/F0$9$k$h$&$K$G$-$k$G$7$g$&$+!)(B

// ARIGA Seiji




-------------------------------------------------------------------

[*1] result of '# fdisk /dev/ad3'

******* Working on device /dev/ad3 *******
parameters extracted from in-core disklabel are:
cylinders=620 heads=128 sectors/track=63 (8064 blks/cyl)

parameters to be used for BIOS calculations are:
cylinders=620 heads=128 sectors/track=63 (8064 blks/cyl)

Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 165,(FreeBSD/NetBSD/386BSD)
    start 63, size 1016001 (496 Meg), flag 0
        beg: cyl 0/ head 1/ sector 1;
        end: cyl 125/ head 127/ sector 63
The data for partition 2 is:
sysid 165,(FreeBSD/NetBSD/386BSD)
    start 1016064, size 3983616 (1945 Meg), flag 80 (active)
        beg: cyl 126/ head 0/ sector 1;
        end: cyl 619/ head 127/ sector 63
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
<UNUSED>

-------------------------------------------------------------------

[*2] result of 'disklabel -r /dev/ad3s1'

# /dev/ad3s1:
type: ESDI
disk: ad3s1
label:
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 128
sectors/cylinder: 8064
cylinders: 125
sectors/unit: 1016001
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0           # milliseconds
track-to-track seek: 0  # milliseconds
drivedata: 0

8 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  b:  1016001        0      swap                        # (Cyl.    0 - 125*)
  c:  1016001        0    unused        0     0         # (Cyl.    0 - 125*)

-------------------------------------------------------------------

[*3] result of 'disklabel -r /dev/ad3s2'

# /dev/ad3s2:
type: ESDI
disk: ad3s2
label:
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 128
sectors/cylinder: 8064
cylinders: 494
sectors/unit: 3983616
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0           # milliseconds
track-to-track seek: 0  # milliseconds
drivedata: 0

8 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  c:  3983616        0    unused        0     0         # (Cyl.    0 - 493)
  e:  3983616        0    4.2BSD        0     0     0   # (Cyl.    0 - 493)

-------------------------------------------------------------------
