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Date:      Sun, 3 Dec 1995 13:04:00 -0500 (EST)
From:      "Jonathan M. Bresler" <>
Subject:   [Q] recovering disk
Message-ID:  <Pine.BSF.3.91.951203125613.4567B-100000@Aspen.Woc.Atinc.COM>

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i installed 2.1.0-RELEASE using the boot floppy to install to sd1
(imprimis drive). was on sd0 (seagate drive).  after the install,
i tried to boot to sd0 (the disk).  'no bootable partition'.  the
FreeBSD partition is gone.  it was the only partition on the disk. 

i was able to recreate the disk partition using 'fdisk -iu'.   but the 
disklabel is not found:

keystone: [3] disklabel sd1
disklabel: ioctl DIOCGDINFO: Invalid argument

how do i recover the disk without resorting to a full install and restore 
from tape??

here is the dmesg from the 2.1.0-RELEASE system (i switched the disks, 
imprimis is now sd0)
CPU: i486DX (486-class CPU)
real memory  = 16777216 (16384K bytes)
avail memory = 14970880 (14620K bytes)
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
ed0 not found at 0x280
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16550A
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
lpt0 at 0x378-0x37f irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
psm0 at 0x60-0x63 irq 12 on motherboard
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: NEC 72065B
fd0: 1.44MB 3.5in
fd1: 1.2MB 5.25in
wdc0 not found at 0x1f0
aha0 at 0x330-0x333 irq 11 drq 5 on isa
aha0 waiting for scsi devices to settle
(aha0:0:0): "IMPRIMIS 94601-15 1250" type 0 fixed SCSI 1
sd0(aha0:0:0): Direct-Access 989MB (2026965 512 byte sectors)
(aha0:1:0): "SEAGATE ST3655N 9550" type 0 fixed SCSI 2
sd1(aha0:1:0): Direct-Access 520MB (1065036 512 byte sectors)
(aha0:4:0): "EXABYTE EXB-85058SQANXR1 06S1" type 1 removable SCSI 2
st0(aha0:4:0): Sequential-Access density code 0x0,  drive empty
1 3C5x9 board(s) on ISA found at 0x340
ep0 at 0x340-0x34f irq 10 on isa
ep0: aui/utp[*UTP*] address 00:60:8c:be:f9:0e irq 10
npx0 on motherboard
npx0: INT 16 interface
sd1: cannot find label (no disk label)

Jonathan M. Bresler        FreeBSD Postmaster         jmb@FreeBSD.ORG
play go. ride bike. hack FreeBSD.--ah the good life 
i am moving to a new job.                 PLEASE USE: jmb@FreeBSD.ORG

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