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Chapter 4. Installing on Intel® and AMD Systems
• Start: This field shows the cylinder on your hard drive where the partition begins.
• End: This field shows the cylinder on your hard drive where the partition ends.
Hide RAID device/LVM Volume Group members: Select this option if you do not want to view any
RAID device or LVM Volume Group members that have been created.
4.19.4. Recommended Partitioning Scheme
4.19.4.1. Itanium systems
Unless you have a reason for doing otherwise, we recommend that you create the following partitions
for Itanium systems:
• A /boot/efi/ partition (100 MB minimum) — the partition mounted on /boot/efi/ contains all
the installed kernels, the initrd images, and ELILO configuration files.
Warning
You must create a /boot/efi/ partition of type VFAT and at least 100 MB in size as
the first primary partition.
• A swap partition (at least 256 MB) — swap partitions are used to support virtual memory. In other
words, data is written to a swap partition when there is not enough RAM to store the data your
system is processing.
In years past, the recommended amount of swap space increased linearly with the amount of
RAM in the system. But because the amount of memory in modern systems has increased into the
hundreds of gigabytes, it is now recognized that the amount of swap space that a system needs is a
function of the memory workload running on that system. However, given that swap space is usually
designated at install time, and that it can be difficult to determine beforehand the memory workload
of a system, we recommend determining system swap using the following table.
Amount of RAM in the System
4GB of RAM or less
4GB to 16GB of RAM
16GB to 64GB of RAM
64GB to 256GB of RAM
256GB to 512GB of RAM
Table 4.2. Recommended System Swap Space
Note that you can obtain better performance by distributing swap space over multiple storage
devices, particularly on systems with fast drives, controllers, and interfaces.
• A root partition (3.0 GB - 5.0 GB) — this is where "/" (the root directory) is located. In this setup, all
files (except those stored in /boot/efi) are on the root partition.
A 3.0 GB partition allows you to install a minimal installation, while a 5.0 GB root partition lets you
perform a full installation, choosing all package groups.
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Recommended Amount of Swap Space
a minimum of 2GB of swap space
a minimum of 4GB of swap space
a minimum of 8GB of swap space
a minimum of 16GB of swap space
a minimum of 32GB of swap space
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Troubleshooting
