sossego
Retired from the forums
I will have to edit this post a few times for reason that I have three OSes installed on this machine. For those of you reading, please be patient.
Code:
# uname -a
Linux c-98-211-118-98 2.6.30-bpo.2-686 #1 SMP Fri Dec 11 18:12:58 UTC 2009 i686 GNU/Linux
e# fdisk /dev/hda
The number of cylinders for this disk is set to 30401.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
(e.g., DOS FDISK, OS/2 FDISK)
Command (m for help): p
Disk /dev/hda: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00089ad6
Device Boot Start End Blocks Id System
/dev/hda1 1 6079 48829536 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/hda2 6080 6141 498015 82 Linux swap / Solaris
Partition 2 does not end on cylinder boundary.
/dev/hda3 6142 17238 89128960 a6 OpenBSD
Partition 3 does not end on cylinder boundary.
/dev/hda4 * 17238 30402 105742041+ a5 FreeBSD
Partition 4 does not end on cylinder boundary.
Command (m for help): q
Code:
# uname -a
OpenBSD moo.my.domain 4.6 GENERIC#58 i386
# fdisk wd0
Disk: wd0 geometry: 30401/255/63 [488397168 Sectors]
Offset: 0 Signature: 0xAA55
Starting Ending LBA Info:
#: id C H S - C H S [ start: size ]
-------------------------------------------------------------------------------
0: 83 0 1 1 - 6078 254 63 [ 63: 97659072 ] Linux files*
1: 82 6079 0 1 - 6140 254 63 [ 97659135: 996030 ] Linux swap
2: A6 6141 0 1 - 17237 10 50 [ 98655165: 178257920 ] OpenBSD
*3: A5 17237 10 51 - 30401 80 63 [ 276913085: 211484083 ] FreeBSD
# disklabel -h wd0
# /dev/rwd0c:
type: ESDI
disk: ESDI/IDE disk
label: WDC WD2500JB-00R
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 255
sectors/cylinder: 16065
cylinders: 30401
total sectors: 488397168 # total bytes: 238475.2M
rpm: 3600
interleave: 1
boundstart: 98655165
boundend: 276913085
drivedata: 0
16 partitions:
# size offset fstype [fsize bsize cpg]
a: 3200.4M 98655165 4.2BSD 2048 16384 1 # /
b: 768.7M 105209685 swap
c: 238475.2M 0 unused
d: 4102.5M 106784055 4.2BSD 2048 16384 1 # /tmp
e: 4102.5M 115186050 4.2BSD 2048 16384 1 # /var
f: 32773.2M 123588045 4.2BSD 2048 16384 1 # /usr
g: 42092.5M 190707615 4.2BSD 2048 16384 1 # /home
i: 47685.1M 63 ext2fs
j: 486.3M 97659135 unknown
#
Code:
timey# uname -a
FreeBSD timey.time 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat Nov 21 15:48:17 UTC 2009 root@almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386
timey# fdisk /dev/ad0
******* Working on device /dev/ad0 *******
parameters extracted from in-core disklabel are:
cylinders=484521 heads=16 sectors/track=63 (1008 blks/cyl)
Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=484521 heads=16 sectors/track=63 (1008 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 131 (0x83),(Linux native)
start 63, size 97659072 (47685 Meg), flag 0
beg: cyl 0/ head 1/ sector 1;
end: cyl 1023/ head 0/ sector 63
The data for partition 2 is:
sysid 130 (0x82),(Linux swap or Solaris x86)
start 97659135, size 996030 (486 Meg), flag 0
beg: cyl 1023/ head 255/ sector 63;
end: cyl 1023/ head 2/ sector 63
The data for partition 3 is:
sysid 166 (0xa6),(OpenBSD)
start 98655165, size 178257920 (87040 Meg), flag 0
beg: cyl 1023/ head 255/ sector 63;
end: cyl 1023/ head 5/ sector 50
The data for partition 4 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
start 276913085, size 211484083 (103263 Meg), flag 80 (active)
beg: cyl 1023/ head 255/ sector 63;
end: cyl 1023/ head 15/ sector 63
timey#
