Re: Removing fdisk and bsdlabel (legacy partition tools)

Am 2024-01-25 18:49, schrieb Rodney W. Grimes:
>> On Thu, Jan 25, 2024, 9:11?AM Ed Maste <emaste@freebsd.org> wrote:
>> 
>> > On Thu, 25 Jan 2024 at 11:00, Rodney W. Grimes
>> > <freebsd-rwg@gndrsh.dnsmgr.net> wrote:
>> > >
>> > > > These will need to be addressed before actually removing any of these
>> > > > binaries, of course.
>> > >
>> > > You seem to have missed /rescue.  Now think about that long
>> > > and hard, these tools classified as so important that they
>> > > are part of /rescue.  Again I can not stress enough how often
>> > > I turn to these tools in a repair mode situation.
>> >
>> > I haven't missed rescue, it is included in the work in progress I
>> > mentioned. Note that rescue has included gpart since 2007.
>> >
>> 
>> What can fdisk and/or disklabel repair that gpart can't?
> 
> As far as I know there is no way in gpart to get to the
> MBR cyl/hd/sec values, you can only get to the LBA start
> and end values:
> sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
>     start 63, size 8388513 (4095 Meg), flag 80 (active)
>         beg: cyl 0/ head 1/ sector 1;
>         end: cyl 1023/ head 15/ sector 63
> 
> gpart show ada0
> =>     63  8388545  ada0  MBR  (4.0G)
>        63  8388513     1  freebsd  [active]  (4.0G)
>   8388576       32        - free -  (16K)

What are you using cyl/hd/sec values for on a system which runs FreeBSD 
current or on which you would have to use FreeBSD-current in case of a 
repair need? What is the disk hardware on those systems that you still 
need cyl/hd/sec and LBA doesn't work? Serious questions out of 
curiosity.

Bye,
Alexander.

-- 
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