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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 /ca/partitioning/partition/ia64.xml
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: 28672 untranslated -->
+
+
+ <sect2 arch="ia64"><title>Partitioning for &arch-title;</title>
+
+<para>
+
+The <command>partman</command> disk partitioner is the default
+partitioning tool for the installer.
+It manages the set of partitions and their mount points to ensure
+that the disks and filesystems is properly configured for a successful
+installation. It actually uses the <command>parted</command> to
+do the on-disk partitioning.
+
+</para>
+
+ <note>
+ <title>EFI Recognized Formats</title>
+<para>
+
+The IA64 EFI firmware supports two partition table (or disk label)
+formats, GPT and MS-DOS. MS-DOS, the format typically used on i386
+PCs, is no longer recommended for IA64 systems. Although
+the installer also provides the <command>cfdisk</command>,
+you should only use the <ulink url="parted.txt">
+<command>parted</command></ulink> because only it can manage both GPT
+and MS-DOS tables correctly.
+
+</para></note>
+
+<para>
+
+The automatic partitioning recipes for <command>partman</command>
+allocate an EFI partition as the first partition on the disk.
+You can also set up the partition under the <guimenuitem>Guided
+partitioning</guimenuitem> from the main menu in a manner similar to
+setting up a <emphasis>swap</emphasis> partition.
+
+</para><para>
+
+The <command>partman</command> partitioner will handle most disk
+layouts.
+For those rare cases where it is necessary to manually set up a disk,
+you can use the shell as described above and run the
+<command>parted</command> utility directly using its command line interface.
+Assuming that you want to erase your whole disk and create a GPT table
+and some partitions, then something similar to the following command
+sequence could be used:
+
+<informalexample><screen>
+ mklabel gpt
+ mkpartfs primary fat 0 50
+ mkpartfs primary linux-swap 51 1000
+ mkpartfs primary ext2 1001 3000
+ set 1 boot on
+ print
+ quit
+</screen></informalexample>
+
+This creates a new partition table, and three partitions to be used as
+an EFI boot partition, swap space, and a root file system. Finally it
+sets the boot flag on the EFI partition. Partitions are specified in
+Megabytes, with start and end offsets from the beginning of the disk.
+So, for example, above we created a 1999MB ext2 file system starting
+at offset 1001MB from the start of the disk. Note that formatting swap
+space with <command>parted</command> can take a few minutes to
+complete, as it scans the partition for bad blocks.
+
+</para>
+ </sect2>
+
+ <sect2 arch="ia64"><title>Boot Loader Partition Requirements</title>
+
+<para>
+
+ELILO, the ia64 boot loader, requires a partition containing a FAT
+file system with the <userinput>boot</userinput> flag set.
+The partition must be big enough to hold the boot loader and any
+kernels or RAMdisks you may wish to boot. A minimum size would be
+about 20MB, but if you expect to run with multiple kernels, then
+128MB might be a better size.
+
+</para><para>
+
+The EFI Boot Manager and the EFI Shell fully support the GPT table
+so the boot partition does not necessarily have to be the first
+partition or even on the same disk.
+This is convenient if you should forget to allocate the partition and
+only find out after you have formatted the other partitions on your disk(s).
+The <command>partman</command> partitioner checks for an EFI partition
+at the same time it checks for a properly set up <emphasis>root</emphasis>
+partition.
+This gives you an opportunity to correct the disk layout before the
+package install begins.
+The easiest way to correct this omission is to shrink the last partition
+of the disk to make enough free space for adding an EFI partition.
+
+</para><para>
+
+It is strongly recommended that you allocate the EFI boot partition
+on the same disk as the <emphasis>root</emphasis> filesystem.
+
+</para>
+
+ </sect2>
+
+ <sect2 arch="ia64"><title>EFI Diagnostic Partitions</title>
+
+<para>
+
+The EFI firmware is significantly more sophisticated than the usual
+BIOS seen on most x86 PCs.
+Some system vendors take advantage of the ability of the EFI to
+access files and run programs from a hard disk filesystem to store diagnostics
+and EFI based system management utilities on the hard disk.
+This is a separate FAT format filesystem on the system disk.
+Consult the system documentation and accessories that come with the
+system for details.
+The easiest time to set up a diagnostics partition is at the same time you
+set up the EFI boot partition.
+
+</para>
+
+ </sect2>