On Mon, Feb 15, 2010 at 04:52:37PM +0100, T. Valent wrote:
> Hi!
>
> I'm having trouble using installboot. Here some facts that are the way
> they are (Test environment on which I simulate things), no need to
> discuss them:
>
> OpenBSD4.3 (probably the same issue with any other version anyway)
> Hardware is VMWare ESXi 4
>
> Here's what I do:
>
> - fresh install of OpenBSD on a 1GB HD (IDE). Disklabeled all in one
> partiton
> - Installation is working fine, machine boots OpenBSD fine, everything OK
> - next I shutdown the machine and add an additional HD with the exact
> same geometry the 1rst HD has. Then I boot the machine again, fdisk and
> disklabel it the absolut exact same way I did with the first disk.
> newfs, mount it to /mnt and copy /usr/mdec/boot to /mnt. Then I run
> installboot:
>
> # /usr/mdec/installboot -v /mnt/boot /usr/mdec/biosboot wd1
> boot: /mnt/boot
> proto: /usr/mdec/biosboot
> device: /dev/rwd1c
> /usr/mdec/biosboot: entry point 0
> proto bootblock size 512
> /mnt/boot is 3 blocks x 16384 bytes
> fs block shift 2; part offset 63; inode block 24, offset 936
> installboot: broken MBR
>
> It gives me the exact same error all the time: broken MBR. I've tried
> that a few dozen times with different HD sizes, disklabel layout and so
> on. I have no idea what could be causing this. The only difference
> between wd0 and wd1 is that wd1 is connected to IDE0:1 and wd0 is
> connected to IDE0:0.
>
> Below you can find the output of fdisk and disklabel for both, wd0 and
> wd1. I'd be happy to get a hint what could be causing this.
>
> Regards,
> T.
>
> ##############################################################################
>
>
> # fdisk wd0
> Disk: wd0 geometry: 520/64/63 [2097152 Sectors]
> Offset: 0 Signature: 0xAA55
> Starting Ending LBA Info:
> #: id C H S - C H S [ start: size ]
> -------------------------------------------------------------------------------
> 0: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused
> 1: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused
> 2: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused
> *3: A6 0 1 1 - 519 63 63 [ 63: 2096577 ] OpenBSD
>
> # disklabel wd0
> # Inside MBR partition 3: type A6 start 63 size 2096577
> # /dev/rwd0c:
> type: ESDI
> disk: ESDI/IDE disk
> label: VMware Virtual I
> flags:
> bytes/sector: 512
> sectors/track: 63
> tracks/cylinder: 64
> sectors/cylinder: 4032
> cylinders: 520
> total sectors: 2097152
> 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: 1846593 63 4.2BSD 2048 16384 1
> b: 1 1846656 swap
> c: 2097152 0 unused 0 0
> d: 249983 1846657 4.2BSD 2048 16384 1
>
>
>
>
> # fdisk wd1
> Disk: wd1 geometry: 520/64/63 [2097152 Sectors]
> Offset: 0 Signature: 0x0
Here's your problem. The disk does not have the right signature. My
guess is that you never ran fdisk -i on this disk.
-Otto
> Starting Ending LBA Info:
> #: id C H S - C H S [ start: size ]
> -------------------------------------------------------------------------------
> 0: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused
> 1: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused
> 2: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused
> *3: A6 0 1 1 - 519 63 63 [ 63: 2096577 ] OpenBSD
>
>
> # disklabel wd1
> # Inside MBR partition 3: type A6 start 63 size 2096577
> # /dev/rwd1c:
> type: ESDI
> disk: ESDI/IDE disk
> label: VMware Virtual I
> flags:
> bytes/sector: 512
> sectors/track: 63
> tracks/cylinder: 64
> sectors/cylinder: 4032
> cylinders: 520
> total sectors: 2097152
> 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: 1846593 63 4.2BSD 2048 16384 1
> b: 1 1846656 swap
> c: 2097152 0 unused 0 0
> d: 249983 1846657 4.2BSD 2048 16384 1
