Re: changing ext. USB disk to UEFI boot

Nonsense,

my da0p1 is to small with 512K (and this on a disk of 1TB) :-(
I will buy a new one...

	matthias

El día martes, abril 02, 2024 a las 06:18:40p. m. +0200, Matthias Apitz escribió:

> 
> I own (for many years) an external USB disk of 1TB to test new FreeBSD
> versions on my laptops before installing the system from source to it's
> hard disk. This external USB disk boots fine on all my amd64 laptops.
> 
> A new acquired ASUS laptop now detects only UEFI boot devices. I'm
> attaching below what the FreeBSD's Wiki says and what the current
> 'gpart list da0' shows about the USB disk.
> 
> How can I modify the partition da0p1 to UEFI without touching the already
> installed da0p2? Is it enough to carry out the creation of the MS-DOS
> file system in da0p1 and copy the boot loader /boot/loader.efi to it?
> 
> Thanks
> 
> 
> https://wiki.freebsd.org/UEFI
> 
> Bootable UEFI memory stick or Hard Disk
> 
> To test UEFI booting on a memory stick or a hard disk,
> create a GPT partition table with a small EFI partition and the rest
> of the space dedicated to a FreeBSD UFS partition:
> 
> # gpart create -s gpt da0
> # gpart add -t efi -s 40M da0
> # gpart add -t freebsd-ufs da0
> # newfs_msdos -F 32 -c 1 /dev/da0p1
> # mount -t msdosfs /dev/da0p1 /mnt
> # mkdir -p /mnt/EFI/BOOT
> # cp /boot/loader.efi /mnt/EFI/BOOT/BOOTX64.efi
> # umount /mnt
> # newfs -U -L FreeBSD /dev/da0p2
> # ...
> 
> Current state of the drive da0:
> 
> # gpart list da0
> 
> Geom name: da0
> modified: false
> state: OK
> fwheads: 255
> fwsectors: 63
> last: 1953525127
> first: 40
> entries: 128
> scheme: GPT
> Providers:
> 1. Name: da0p1
>    Mediasize: 524288 (512K)
>    Sectorsize: 512
>    Stripesize: 4096
>    Stripeoffset: 0
>    Mode: r0w0e0
>    efimedia: HD(1,GPT,a555f52a-90e5-11e9-a3c2-90489a929e43,0x28,0x400)
>    rawuuid: a555f52a-90e5-11e9-a3c2-90489a929e43
>    rawtype: 83bd6b9d-7f41-11dc-be0b-001560b84f0f
>    label: extboot
>    length: 524288
>    offset: 20480
>    type: freebsd-boot
>    index: 1
>    end: 1063
>    start: 40
> 2. Name: da0p2
>    Mediasize: 274877906944 (256G)
>    Sectorsize: 512
>    Stripesize: 4096
>    Stripeoffset: 0
>    Mode: r0w0e0
>    efimedia: HD(2,GPT,e1c1853d-90e5-11e9-a3c2-90489a929e43,0x800,0x20000000)
>    rawuuid: e1c1853d-90e5-11e9-a3c2-90489a929e43
>    rawtype: 516e7cb6-6ecf-11d6-8ff8-00022d09712b
>    label: extrootfs
>    length: 274877906944
>    offset: 1048576
>    type: freebsd-ufs
>    index: 2
>    end: 536872959
>    start: 2048
> 3. Name: da0p3
>    Mediasize: 2147483648 (2.0G)
>    Sectorsize: 512
>    Stripesize: 4096
>    Stripeoffset: 0
>    Mode: r0w0e0
>    efimedia: HD(3,GPT,0bf60f9c-958a-11e9-8b7f-90489a929e43,0x20000800,0x400000)
>    rawuuid: 0bf60f9c-958a-11e9-8b7f-90489a929e43
>    rawtype: 516e7cb5-6ecf-11d6-8ff8-00022d09712b
>    label: extswap
>    length: 2147483648
>    offset: 274878955520
>    type: freebsd-swap
>    index: 3
>    end: 541067263
>    start: 536872960
> 4. Name: da0p4
>    Mediasize: 723177701376 (674G)
>    Sectorsize: 512
>    Stripesize: 4096
>    Stripeoffset: 0
>    Mode: r0w0e0
>    efimedia: HD(4,GPT,1f6fb912-958a-11e9-8b7f-90489a929e43,0x20400800,0x54306000)
>    rawuuid: 1f6fb912-958a-11e9-8b7f-90489a929e43
>    rawtype: 516e7cb6-6ecf-11d6-8ff8-00022d09712b
>    label: extbackupfs
>    length: 723177701376
>    offset: 277026439168
>    type: freebsd-ufs
>    index: 4
>    end: 1953523711
>    start: 541067264
> Consumers:
> 1. Name: da0
>    Mediasize: 1000204883968 (932G)
>    Sectorsize: 512
>    Stripesize: 4096
>    Stripeoffset: 0
>    Mode: r0w0e0
> 
> 
> -- 
> Matthias Apitz, ✉ guru@unixarea.de, http://www.unixarea.de/ +49-176-38902045
> Public GnuPG key: http://www.unixarea.de/key.pub
> 

-- 
Matthias Apitz, ✉ guru@unixarea.de, http://www.unixarea.de/ +49-176-38902045
Public GnuPG key: http://www.unixarea.de/key.pub