FreeBSD & ext partitions (was Re: HIDE FAT32 Partition)
I.Ioannou
roryt at roryt.gr
Sun May 19 03:33:01 EEST 2002
On Tuesday 14 May 2002 18:09, Άγγελος Οικονομόπουλος wrote:
> can't say. an den einai parabiash aporhtou steile to mbr (dd klp), to
> extended partition table gia ka8e mia apo tis logical (dhladh ta prwta 512
> bytes[0] apo ka8e logical pou mporeis na prospelaseis (pali dd klp, 3ereis
> twra)), to idio gia thn extended, to output tou fdisk -s gia to sklhro auto
> kai oti tuxon mhnumata petaei sto messages otan kaneis fdisk, kai egw den
> uposxomai tipota. sounds like a good deal, right? :-)
>
Attached olla, elpizw.
--
I.Ioannou <roryt at roryt.gr>
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Disk /dev/hda: 255 heads, 63 sectors, 3649 cylinders
Units = cylinders of 16065 * 512 bytes
Device Boot Start End Blocks Id System
/dev/hda1 1 255 2048256 b Win95 FAT32
/dev/hda2 * 256 259 32130 83 Linux
/dev/hda3 260 325 530145 82 Linux swap
/dev/hda4 326 3649 26700030 5 Extended
/dev/hda5 326 580 2048256 b Win95 FAT32
/dev/hda6 581 3649 24651711 83 Linux
Disk /dev/hdb: 255 heads, 63 sectors, 1871 cylinders
Units = cylinders of 16065 * 512 bytes
Device Boot Start End Blocks Id System
/dev/hdb1 * 1 1024 8225248+ a6 OpenBSD
/dev/hdb2 1025 1588 4530330 a5 BSD/386
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fdisk /dev/ad0
******* Working on device /dev/ad0 *******
parameters extracted from in-core disklabel are:
cylinders=3649 heads=255 sectors/track=63 (16065 blks/cyl)
Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=3649 heads=255 sectors/track=63 (16065 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 11,(DOS or Windows 95 with 32 bit FAT)
start 63, size 4096512 (2000 Meg), flag 0
beg: cyl 0/ head 1/ sector 1;
end: cyl 254/ head 254/ sector 63
The data for partition 2 is:
sysid 131,(Linux filesystem)
start 4096575, size 64260 (31 Meg), flag 80 (active)
beg: cyl 255/ head 0/ sector 1;
end: cyl 258/ head 254/ sector 63
The data for partition 3 is:
sysid 130,(Linux swap or Solaris x86)
start 4160835, size 1060290 (517 Meg), flag 0
beg: cyl 259/ head 0/ sector 1;
end: cyl 324/ head 254/ sector 63
The data for partition 4 is:
sysid 5,(Extended DOS)
start 5221125, size 53400060 (26074 Meg), flag 0
beg: cyl 325/ head 0/ sector 1;
end: cyl 1023/ head 254/ sector 63
fdisk /dev/ad0s4
fdisk: can't get disk parameters on /dev/ad0s4; supplying dummy ones
******* Working on device /dev/ad0s4 *******
parameters extracted from in-core disklabel are:
cylinders=1 heads=1 sectors/track=1 (1 blks/cyl)
parameters to be used for BIOS calculations are:
cylinders=1 heads=1 sectors/track=1 (1 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 11,(DOS or Windows 95 with 32 bit FAT)
start 63, size 4096512 (2000 Meg), flag 0
beg: cyl 325/ head 1/ sector 1;
end: cyl 579/ head 254/ sector 63
The data for partition 2 is:
sysid 5,(Extended DOS)
start 4096575, size 49303485 (24073 Meg), flag 0
beg: cyl 580/ head 0/ sector 1;
end: cyl 1023/ head 254/ sector 63
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
<UNUSED>
fdisk /dev/ad0s6
fdisk: can't get disk parameters on /dev/ad0s6; supplying dummy ones
fdisk: invalid fdisk partition table found
******* Working on device /dev/ad0s6 *******
parameters extracted from in-core disklabel are:
cylinders=1 heads=1 sectors/track=1 (1 blks/cyl)
parameters to be used for BIOS calculations are:
cylinders=1 heads=1 sectors/track=1 (1 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:
<UNUSED>
The data for partition 2 is:
<UNUSED>
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
sysid 165,(FreeBSD/NetBSD/386BSD)
start 1, size 0 (0 Meg), flag 80 (active)
beg: cyl 1/ head 0/ sector 1;
end: cyl 0/ head 0/ sector 1
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Disk: wd0 geometry: 3649/255/63 [58621185 sectors]
Only LBA values are valid in ending cylinder for partition #3.
Offset: 0 Signatures: 0xAA55,0x0
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
0: 0B 0 1 1 - 254 254 63 [ 63 - 4096512] Win95 FAT-32
*1: 83 255 0 1 - 258 254 63 [ 4096575 - 64260] Linux files*
2: 82 259 0 1 - 324 254 63 [ 4160835 - 1060290] Linux swap
3: 05 325 0 1 - 1023 254 63 [ 5221125 - 53400060] Extended DOS
Only LBA values are valid in ending cylinder for partition #1.
Offset: 5221125 Signatures: 0xAA55,0x0
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
0: 0B 325 1 1 - 579 254 63 [ 5221188 - 4096512] Win95 FAT-32
1: 05 580 0 1 - 1023 254 63 [ 9317700 - 49303485] Extended DOS
2: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
Only LBA values are valid in ending cylinder for partition #0.
Offset: 9317700 Signatures: 0xAA55,0x0
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
0: 83 580 1 1 - 1023 254 63 [ 9317763 - 49303422] Linux files*
1: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
2: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
Disk: wd1 geometry: 1871/255/63 [30057615 sectors]
Only LBA values are valid in starting cylinder for partition #1.
Only LBA values are valid in ending cylinder for partition #1.
Offset: 0 Signatures: 0xAA55,0x0
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
*0: A6 0 1 1 - 1023 254 63 [ 63 - 16450497] OpenBSD
1: A5 1023 0 1 - 1023 254 63 [ 16450560 - 9060660] FreeBSD
2: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
# /dev/rwd0c:
type: ESDI
disk: ESDI/IDE disk
label: QUANTUM FIREBALL
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 16
sectors/cylinder: 1008
cylinders: 16383
total sectors: 58633344
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0 # microseconds
track-to-track seek: 0 # microseconds
drivedata: 0
16 partitions:
# size offset fstype [fsize bsize cpg]
c: 58633344 0 unused 0 0 # (Cyl. 0 - 58167)
i: 4096512 63 MSDOS # (Cyl. 0*- 4064*)
j: 64260 4096575 ext2fs # (Cyl. 4064*- 4127*)
k: 1060290 4160835 unknown # (Cyl. 4127*- 5179*)
l: 4096512 5221188 MSDOS # (Cyl. 5179*- 9243*)
m: 49303422 9317763 ext2fs # (Cyl. 9243*- 58155*)
# using MBR partition 0: type A6 off 63 (0x3f) size 16450497 (0xfb03c1)
# /dev/rwd1c:
type: ESDI
disk: ESDI/IDE disk
label: WDC WD153AA
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 16
sectors/cylinder: 1008
cylinders: 16383
total sectors: 30064608
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0 # microseconds
track-to-track seek: 0 # microseconds
drivedata: 0
16 partitions:
# size offset fstype [fsize bsize cpg]
a: 15926209 63 4.2BSD 1024 8192 16 # (Cyl. 0*- 15799*)
b: 523280 15926272 swap # (Cyl. 15799*- 16318)
c: 30064608 0 unused 0 0 # (Cyl. 0 - 29825)
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