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Installation notes: If you install on a mirrored disk configuration while the
mirror is being created, the SCSI driver detection on the installation program
may take some time. The driver works fine, but it takes longer to load than in a
non-mirrored configuration. You may also notice that the I/O throughput slows
down.
4.4.4 Installing Red Hat Enterprise Linux AS
In this section we focus on the installation of the Red Hat Enterprise Linux AS
3.0, although we also did the installation of the RH AS 2.1 on the x455.
Tip: Official installation instructions are typically available on the Web.
However, at the time of writing none were published for the x455. Once they
are available, they will be accessible at:
http://www.pc.ibm.com/support
Select the x455 (8855) and select OS Installation document type.
IBM employees can access draft installation instructions from:
http://nosinfo.raleigh.ibm.com
Before starting the installation
Before starting the installation, we recommend that you get and apply the latest
updates and firmware. You can download them from:
http://www.pc.ibm.com/qtechinfo/MIGR-53575.html
Installation procedure
The installation of Red Hat Enterprise Linux AS 3.0 is like any other Red Hat
Linux installation, except that you work on a different architecture, so the
bootable CD-ROM will not boot directly, as it would do on any IA-32 architecture.
These are the steps to follow for a Red Hat Enterprise Linux AS 3.0 installation:
1. Power on the server and insert the first Red Hat CD-ROM in the drive.
Although it is not necessary to insert the CD at this point, it makes the
installation process easier because the CD-ROM file system is automatically
detected and mapped.
2. Wait for the EFI Firmware Boot Manager menu to appear.
3. Select the first entry for the CD-ROM drive. In the x455, this is the ACPI entry
with the strings "PCI" and "ATA(Primary/Master)". Press Enter (Figure 4-49 on
page 158).
IBM Eserver xSeries 455 Planning and Installation Guide
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