Red Hat ENTERPRISE LINUX AS 2.1 - Guia de Instalação descarregar pdf (Página 30)

22 Chapter 2. Installing Red Hat Enterprise Linux

2.13.2. Disk Druid’s Buttons

These buttons control Disk Druid’s actions. They are used to change the attributes of a partition (for

example the ﬁle system type and mount point) and also to create RAID devices. Buttons on this screen

are also used to accept the changes you have made, or to exit Disk Druid. For further explanation,

take a look at each button in order:

• Edit: Used to modify attributes of the partition currently selected in the Partitions section. Select-

ing Edit opens a dialog box. Some or all of the ﬁelds can be edited, depending on whether the

partition information has already been written to disk.

• Make RAID: Make RAID can be used if you want to provide redundancy to any or all disk

partitions. It should only be used if you have experience using RAID. To read more about RAID,

refer to the RAID (Redundant Array of Independent Disks) chapter in the Red Hat Enterprise Linux

System Administration Guide.

• To make a RAID device, you must ﬁrst create (or reuse existing) software RAID partitions. Once

you have created two or more software RAID partitions, select Make RAID to join the software

RAID partitions into a RAID device.

2.13.3. Partition Fields

Above the partition hierarchy are labels which present information about the partitions you are creat-

ing. The labels are deﬁned as follows:

• Device: This ﬁeld displays the partition’s device name.

• Mount Point/RAID/Volume: A mount point is the location within the directory hierarchy at which

a volume exists; the volume is "mounted" at this location. This ﬁeld indicates where the partition is

mounted. If a partition exists, but is not set, then you need to deﬁne its mount point. Double-click

on the partition or click the Edit button.

• Type: This ﬁeld shows the partition’s ﬁle system type (for example, ext2 or ext3).

• Format: This ﬁeld shows if the partition being created will be formatted.

• Size (MB): This ﬁeld shows the partition’s size (in MB).

• 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.

2.13.4. Recommended Partitioning Scheme

Unless you have a reason for doing otherwise, we recommend that you create the following partitions:

• 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.

If you are unsure about what size swap partition to create, make it twice the amount of RAM on

your machine (but no larger than 2 GB). It must be of type swap.

Creation of the proper amount of swap space varies depending on a number of factors including the

following (in descending order of importance):

• The applications running on the machine.

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Red Hat ENTERPRISE LINUX AS 2.1 - Guia de Instalação Página 30