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authorJoey Hess <joeyh@debian.org>2005-10-07 19:51:38 +0000
committerJoey Hess <joeyh@debian.org>2005-10-07 19:51:38 +0000
commit1ea73eea5ecc6a8ed901316049259aee737ee554 (patch)
tree03a077f0b1b1548f3c806bd1c5795964fba0fb52 /it/using-d-i/modules/ia64
downloadinstallation-guide-1ea73eea5ecc6a8ed901316049259aee737ee554.zip
move manual to top-level directory, split out of debian-installer package
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+<!-- retain these comments for translator revision tracking -->
+<!-- original version: 24321 untranslated -->
+
+ <sect3 arch="ia64">
+ <title>Install the <command>ELILO</command> Boot Loader
+ on a Hard Disk</title>
+<para>
+
+The &architecture; boot loader is called <quote>elilo</quote>.
+It is modeled on the <quote>lilo</quote> boot loader for the
+x86 architecture and uses a similar configuration file.
+However, instead of writing an MBR or partition boot record to
+the disk, it copies the necessary files to a separate FAT formatted
+disk partition and modifies the <guimenuitem>EFI Boot Manager</guimenuitem>
+menu in the firmware to point to the files in the EFI partition.
+The <command>elilo</command> boot loader is really in two parts.
+The <filename>/usr/sbin/elilo</filename> command manages the partition and
+copies file into it.
+The <filename>elilo.efi</filename> program is copied into the EFI
+partition and then run by the <quote>EFI Boot Manager</quote> to actually
+do the work of loading and starting the Linux kernel.
+
+</para><para>
+
+The <quote>elilo</quote> configuration and installation is done as the
+last step of installing the packages of the base installation.
+&d-i; will present you with a list of potential disk partitions that it
+has found suitable for an EFI partition.
+Select the partition you set up earlier in the installation, typically
+a partition on the same disk that contains your
+<emphasis>root</emphasis> filesystem.
+
+</para>
+
+ <warning><title>Choose the correct partition!</title>
+
+<para>
+
+The criteria for selecting a partition is that it is FAT format
+filesystem with its <emphasis>boot</emphasis> flag set.
+&d-i; may show multiple choices depending on what it finds from scanning
+all of the disks of the system including EFI partitions of other system
+disks and EFI diagnostic partitions.
+Remember, the <command>elilo</command> may format the partition during
+the installation, erasing any previous contents!
+
+</para></warning>
+
+ </sect3>
+
+ <sect3 arch="ia64">
+ <title>EFI Partition Contents</title>
+
+<para>
+
+The EFI partition is a FAT filesystem format partition on one of the
+hard disks of the system, usually the same disk that contains the
+<emphasis>root</emphasis> filesystem.
+It is normally not mounted on a running system as it is only needed
+by the <quote>EFI Boot Manager</quote> to load the system and the
+installer part of the <command>elilo</command> writes to the filesystem
+directly.
+The <command>/usr/sbin/elilo</command> utility writes the following files
+into the <filename>efi/debian</filename> directory of the EFI
+partition during the installation.
+Note that the <quote>EFI Boot Manager</quote> would find these files
+using the path <filename>fs<replaceable>n</replaceable>:\efi\debian</filename>.
+There may be other files in this filesystem as well over time as
+the system is updated or re-configured.
+
+</para>
+
+<variablelist>
+
+<varlistentry>
+<term><filename>elilo.conf</filename></term>
+<listitem><para>
+
+This is the configuration file read by the boot loader when it starts.
+It is a copy of the <filename>/etc/elilo.conf</filename> with
+the filenames re-written to refer to files in the EFI partition.
+
+</para></listitem></varlistentry>
+
+<varlistentry>
+<term><filename>elilo.efi</filename></term>
+<listitem><para>
+
+This is the boot loader program that the <quote>EFI Boot Manager</quote>
+runs to boot the system.
+It is the program behind the <guimenuitem>Debian GNU/Linux</guimenuitem>
+menu item of the <quote>EFI Boot Manager</quote> command menu.
+
+</para></listitem></varlistentry>
+
+<varlistentry>
+<term><filename>initrd.img</filename></term>
+<listitem><para>
+
+This is the initial root filesystem used to boot the kernel.
+It is a copy of the file referenced in the
+<filename>/etc/elilo.conf</filename>.
+In a standard Debian installation it would be the file in
+<filename>/boot</filename> pointed to by the symbolic link
+<filename>/initrd.img</filename>.
+
+</para></listitem></varlistentry>
+
+<varlistentry>
+<term><filename>readme.txt</filename></term>
+<listitem><para>
+
+This is a small text file warning you that the contents of the
+directory are managed by the <command>elilo</command> and that
+any local changes would be lost at the next time
+<filename>/usr/sbin/elilo</filename> is run.
+
+</para></listitem></varlistentry>
+
+<varlistentry>
+<term><filename>vmlinuz</filename></term>
+<listitem><para>
+
+This is the compressed kernel itself.
+It is a copy of the file referenced in the
+<filename>/etc/elilo.conf</filename>.
+In a standard Debian installation it would be the file in
+<filename>/boot</filename> pointed to by the symbolic link
+<filename>/vmlinuz</filename>.
+
+</para></listitem></varlistentry>
+
+</variablelist>
+
+ </sect3>