Date: Sun, 13 Jul 1997 07:18:10 -0400 (EDT) From: isis@jh2.tor.servtech.com To: Doug White <dwhite@resnet.uoregon.edu> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Superblocks and Magic numbers Message-ID: <XFMail.970713072044.isis@jh2.tor.servtech.com> In-Reply-To: <Pine.BSF.3.96.970713081248.883A-100000@localhost>
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'disklabel wd0' and 'fdisk wd0' and send me the output. I'm not the
>greatest at recovering disks, but maybe we can get an idea of where to go
>next from that data.
>
thanks, here is that plus a dmesg warning i get
wdc0 at 0x1f0-0x1f7 irq 14 flags 0x80ff80ff on isa
wdc0: unit 0 (wd0): <Maxtor 7546 AT>, 32-bit, multi-block-16
wd0: 521MB (1068480 sectors), 1060 cyls, 16 heads, 63 S/T, 512 B/S
wdc1 at 0x170-0x177 irq 15 flags 0x80ff80ff on isa
wdc1: unit 0 (wd2): <Conner Peripherals 121MB - CP30104>, 32-bit, multi-block-12
8
wd2: 116MB (237744 sectors), 762 cyls, 8 heads, 39 S/T, 512 B/S
Device wd0: name slot allocation failed (Errno=17)
Device rwd0: name slot allocation failed (Errno=17)
******* Working on device /dev/wd0 *******
parameters extracted from in-core disklabel are:
cylinders=1060 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=1060 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:
<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 0, size 50000 (24 Meg), flag 80
beg: cyl 0/ sector 1/ head 0;
end: cyl 1023/ sector 63/ head 255
# /dev/wd0:
type: unknown
disk:
label:
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 16
sectors/cylinder: 1008
cylinders: 1060
sectors/unit: 1068480
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0 # milliseconds
track-to-track seek: 0 # milliseconds
drivedata: 0
3 partitions:
# size offset fstype [fsize bsize bps/cpg]
c: 1068480 0 unused 0 0 # (Cyl. 0 - 1059)
thanks
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E-Mail: isis@jh2.tor.servtech.com
Date: 13-Jul-97
Time: 07:18:11
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