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-rw-r--r-- | docs/README.transfer.rst | 165 |
diff --git a/docs/README.transfer.rst b/docs/README.transfer.rst new file mode 100644 index 0000000..ab99b10 --- /dev/null +++ b/docs/README.transfer.rst @@ -0,0 +1,165 @@ +============================================== +Transfer ISO to target medium (configs/releng) +============================================== + +ISO images names consist of: ``archlinux-YYYY.MM.DD-x86_64.iso``. + +Where: ``YYYY`` is the year, ``MM`` the month and ``DD`` the day. + +.. contents:: + +Burn to an optical disc +======================= + + .. note:: + All ISO images are BIOS and UEFI bootable via "El Torito" in no-emulation mode. + +Burn the ISO using your favorite disc burning program. + +For example: + +.. code:: sh + + xorriso -as cdrecord -v -sao dev=/dev/sr0 archlinux-YYYY.MM.DD-x86_64.iso + +Write to an USB flash drive / memory card / hard disk drive / solid state drive / etc. +====================================================================================== + + .. tip:: + See https://wiki.archlinux.org/title/USB_flash_installation_medium for more detailed instructions. + +Nomeclature: + +``<DEV-TARGET>`` + Device node of the drive where ISO contents should be copied (example: ``/dev/sdx``). +``<DEV-TARGET-N>`` + Device node of the partition on ``<DEV-TARGET>`` (example: ``/dev/sdx1``). +``<FS-LABEL>`` + Represents the file system label of the ``archlinux-YYYY.MM.DD-x86_64.iso`` (example: ``ARCH_201703``). + +ISOHYBRID (BIOS and UEFI) +------------------------- + + .. note:: + This method is the most easily, quick and dirty, but is the most limited if you want to use your target medium + for other purposes. If using this does not work, use the `File system transposition (UEFI only)`_ method instead. + +Directly write the ISO file to the target medium: + +.. code:: sh + + dd bs=4M if=archlinux-YYYY.MM.DD-x86_64.iso of=<DEV-TARGET> conv=fsync oflag=direct status=progress + +File system transposition (UEFI only) +-------------------------------- + +This method extracts the contents of the ISO onto a prepared UEFI-bootable volume. + +If your drive is already partitioned and formatted, skip to the "Mount the target file system" step. + + .. note:: + Using MBR with one FAT formatted active partition is the most compatible method. + +1. Partition the drive with *fdisk*. + + .. code:: sh + + fdisk <DEV-TARGET> + + 1) Create a new MBR partition table with command ``o``. + + .. warning:: + This will destroy all data on the drive. + + 2) Create a new primary partition with command ``n`` and set its type code to ``0c`` with command ``t``. + + 3) Mark the partition as bootable with the ``a`` command. + + 4) Write the changes and exit with ``w``. + +2. Format the newly created partition to FAT32 + + .. code:: sh + + mkfs.fat -F 32 /dev/disk/by-id/<TARGET-DEVICE>-part1 + +3. Mount the target file system + + .. code:: sh + + mount <DEV-TARGET-N> /mnt + +4. Extract the ISO image on the target file system. + + .. code:: sh + + bsdtar -x --exclude=boot/syslinux/ -f archlinux-YYYY.MM.DD-x86_64.iso -C /mnt + +5. Unmount the target file system. + + .. code:: sh + + umount /mnt + +Manual formatting (BIOS only) +----------------------------- + + .. note:: + These steps are the general workflow, you can skip some of them, using another file system if your boot loader + supports it, installing to another directory than ``arch/`` or using more than one partition. Just ensure that + main boot parameters (``archisolabel=`` and ``archisobasedir=``) are set correctly according to your setup. + + Using here a MBR partition mode as example, but GPT should also work if the machine firmware is not broken. Just + ensure that partition is set with attribute ``2: legacy BIOS bootable`` and use ``gptmbr.bin`` instead of + ``mbr.bin`` for syslinux. + +1) Create one partition entry in MBR and mark it as "active" (bootable). + + .. note:: + Type ``b`` for FAT32, ``83`` for EXTFS or ``7`` for NTFS. + + .. code:: sh + + fdisk <DEV-TARGET> + +2) Create a FAT32, EXTFS or NTFS file system on such partition and setup a label. + + .. note:: + COW is not supported on NTFS. + + .. code:: sh + + mkfs.fat -F 32 -n <FS-LABEL> <DEV-TARGET-N> + mkfs.ext4 -L <FS-LABEL> <DEV-TARGET-N> + mkfs.ntfs -L <FS-LABEL> <DEV-TARGET-N> + +3) Mount the target file system. + + .. code:: sh + + mount <DEV-TARGET-N> /mnt + +4) Extract the ISO image on the target file system. + + .. code:: sh + + bsdtar -x --exclude=boot/grub/ --exclude=EFI/ -f archlinux-YYYY.MM.DD-x86_64.iso -C /mnt + +5) Install the syslinux boot loader on the target file system. + + .. code:: sh + + extlinux -i /mnt/boot/syslinux + +6) Unmount the target file system. + + .. code:: sh + + umount /mnt + +7) Install syslinux MBR boot code on the target drive. + + .. code:: sh + + dd bs=440 count=1 conv=notrunc if=/usr/lib/syslinux/bios/mbr.bin of=<DEV-TARGET> + |