Re: Sysupgrade failing on a system without MBR/GPT (disklabel directly on disk)

Zeljko Jovanovic <[email protected]> Mon, 15 Jun 2026 19:06:06 +0200
Newsgroups gmane.os.openbsd.misc
Message-ID <[email protected]>
On 6/12/26 16:54, dan wrote:

> Sorry, I read the thread very fastly.
> 
> Can you give us any clue (full view) about your disklabel ? Especially, what you own as sd{x}a as a range ? Otherwise I think difficult to say or guess what you really can/can't do.. what you have at 0 - 2048 position..
> 
> Second, worst as it could be you can pax everything important and restore your partitions on a good system.
> 
> Third, sometimes happened to me to be on a stick and to have s disk root unaccessible for a *foo reason*.. I then copy machine (data copy) my stick to an external disk to have the upgrade running smoothly then. Never said.


Here is the file containing the first 2048 bytes of the disk,
attached to this message.

This is the output of "disklabel sd0" command:

# /dev/rsd0c:
type: SCSI
disk: SCSI disk
label: Virtual disk
duid: f5c72aedee148bac
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 255
sectors/cylinder: 16065
cylinders: 7832
total sectors: 125829120
boundstart: 0
boundend: 125829120

16 partitions:
#                size           offset  fstype [fsize bsize   cpg]
   a:          2097152                0  4.2BSD   2048 16384 12960 # /
   b:          8388608          2097152    swap                    # none
   c:        125829120                0  unused
   d:          2097152         10485760  4.2BSD   2048 16384 12960 # /tmp
   e:         69206016         12582912  4.2BSD   2048 16384 12960 # /var
   f:         10485760         81788928  4.2BSD   2048 16384 12960 # /usr
   g:          2097152         92274688  4.2BSD   2048 16384 12960 # /usr/X11R6
   h:         20971520         94371840  4.2BSD   2048 16384 12960 # /usr/local
   k:         10485760        115343360  4.2BSD   2048 16384 12960 # /home
d1.dsk (application/octet-stream, 2 KB) - not displayed