Re: Question how to delete somewhat encrypted partisions / softraid?

Thanks to all who responded. It was accurate, dd solved the problem.

On Fri, Mar 25, 2022 at 7:13 PM pascal <pascal.deveaux@tutanota.com> wrote:

>
> did you try to encrypt and install with MBR boot?
>
> Mar 25, 2022, 09:28 by soko.tica@gmail.com:
>
> > Hello list,
> >
> > I have tried to encrypt disk before the installation of OpenBSD 7.0
> > according to the instructions here
> > https://www.openbsd.org/faq/faq14.html#softraid and managed to mess it.
> >
> > I have performed
> >
> > # cd /dev && sh MAKEDEV sd0
> > # fdisk -iy -g -b 960 sd0
> > # disklabel -E sd0
> > Label editor (enter '?' for help at any prompt)
> > sd0> a a
> > offset: [64]
> > size: [39825135] *
> > FS type: [4.2BSD] RAID
> > sd0*> w
> > sd0> q
> > No label changes.
> > # bioctl -c C -l sd0a softraid0
> >
> > But I have failed to proceed before the installation with
> >
> > # cd /dev && sh MAKEDEV sd1
> > # dd if=/dev/zero of=/dev/rsd1c bs=1m count=1
> >
> > So i ended up with unbootable install.
> >
> > The disk is shown
> >
> > # disklabel sd0
> > # /dev/rsd0c:
> > type: SCSI
> > disk: SCSI disk
> > label: HGST HTS725050A7
> > duid: f62d9ae29f67d326
> > flags:
> > bytes/sector: 512
> > sectors/track: 63
> > tracks/cylinder: 255
> > sectors/cylinder: 16065
> > cylinders: 60801
> > total sectors: 976773168
> > boundstart: 1024
> > boundend: 976773135
> > drivedata: 0
> >
> > 16 partitions:
> > # size offset fstype [fsize bsize cpg]
> > a: 976772111 1024 RAID
> > c: 976773168 0 unused
> > i: 960 64 MSDOS
> >
> > #fdisk sd0
> > Disk: sd0 Usable LBA: 34 to 976773134 [976773168 Sectors]
> > #: type [ start: size ]
> > ------------------------------------------------------------------------
> > 0: EFI Sys [ 64: 960 ]
> > 1: OpenBSD [ 1024: 976772111 ]
> >
> >
> > Is it safe to delete all somewhat encrypted partitions by
> > # fdisk -iy sd0
> > ?
> >
> > Should I perhaps first delete somewhat encrypted partitions by
> >
> > # disklabel -E sd0
> >
> > d a
> > d i
> >
> > ?
> >
> > Thank you in advance for your answers.
> >
>
>