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There are two ways to configure a new disk drive into a RHEL system. One very simple method is to create one or more Linux partitions on the new drive, create Linux file systems on those partitions and then mount them at specific mount points so that they can be accessed. This is the approach that will be covered in this chapter.
Another approach is to add the new space to an existing volume group or create a new volume group. When RHEL is installed using the default disk configuration layout, a volume group is created and called VolGroup00. Within this volume group are two logical volumes named LogVol00 and LogVol01 that are used to store the / file system and swap partition respectively. By configuring the new disk as part of a volume group we are able to increase the disk space available to the existing logical volumes. Using this approach we are able, therefore, to increase the size of the / file system by allocating some or all of the space on the new disk to LogVol00. This topic will be discussed in detail in [[Adding a New Disk to an RHEL 5 Volume Group and Logical Volume]].
== Getting Started ==
As shown above, the new hard drive has been assigned to the device file /dev/sdb. At this point the drive has no partitions shown (because we have yet to create any).
At this point we have a choice of creating partitions and file systems on the new drive and mounting them for access or adding the disk as a physical volume as part of a volume group. To perform the former continue with this chapter, otherwise read [[Adding a New Disk to an RHEL 5 Volume Group and Logical Volume ]] for details on configuring Logical Volumes.
== Creating Linux Partitions ==
