Groups | Search | Server Info | Login | Register

Groups > comp.os.os2.programmer.misc > #1904

Re: hard disk image

Show all headers | View raw

Paul Edwards wrote:
> On 12/03/24 01:59, Dave Yeo wrote:
>> Paul Edwards wrote:
>>> This is a FAT32, MBR and the partition starts at
>>> sector LBA 128, not LBA 63.
>>>
>>> Is that an issue?
>>
>> Generally OS/2 needs CHS partitioning with the cylinders aligned. You
>> likely need to wipe the first sectors, then use LVM to partition it and
>> add the LVM stuff such as a drive letter.
>> The rule is to always use OS/2 tools to partition. The exception now is
>> with GPT partitioning, which is only available with the latest ArcaOS,
>> or added to earlier OS/2 versions.
>
> Thanks for that info.
>
> I create a VHD using our own tools that we have
> control over.
>
> So I can change it to a different geometry. And
> it is arbitrary. But I would like it to be 4k
> aligned. 128 sectors does that.
>
> Any suggestions on geometry that will be both 4k
> and satisfy OS/2?
>

Not easily. As Marcel says, you may find a mapping that works that is 
not strictly legal for OS/2 or just do the math. You will still need the 
LVM info on the drive.
Dave

Back to comp.os.os2.programmer.misc | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

hard disk image Paul Edwards <mutazilah@gmail.com> - 2024-03-11 22:38 +0800
  Re: hard disk image Paul Edwards <mutazilah@gmail.com> - 2024-03-12 00:19 +0800
  Re: hard disk image Dave Yeo <dave.r.yeo@gmail.com> - 2024-03-11 10:59 -0700
    Re: hard disk image Paul Edwards <mutazilah@gmail.com> - 2024-03-12 04:22 +0800
      Re: hard disk image Dave Yeo <dave.r.yeo@gmail.com> - 2024-03-11 16:12 -0700
        Re: hard disk image Paul Edwards <mutazilah@gmail.com> - 2024-03-12 11:59 +0800
          Re: hard disk image Paul Edwards <mutazilah@gmail.com> - 2024-03-12 19:13 +0800
          Re: hard disk image Dave Yeo <dave.r.yeo@gmail.com> - 2024-03-12 08:59 -0700
    Re: hard disk image Marcel Mueller <news.5.maazl@spamgourmet.org> - 2024-03-11 21:54 +0100
  Re: hard disk image Paul Edwards <mutazilah@gmail.com> - 2024-03-18 08:01 +0800

csiph-web