4
Installing an OS
Information on the BIOS setup utility might be subject to change over time.
Preparing for installation
Logging in to the server
You can log in to the server through KVM or the HDM remote console.
Preparing an OS image
Before installing an OS, obtain an OS image from the official website of the OS, and then connect the
boot media that contain the OS image to the server.
• For KVM login, you can use an optical disk drive, bootable USB disk, or PXE server as the boot
media. Using a PXE server as the boot media is applicable to batch OS installation.
• For HDM login, you can use an optical disk drive, bootable USB disk, PXE server, or virtual
media (virtual disk, CD/DVD, or drive/USB) as the boot media.
Prepare an OS image as shown in the following table.
Table 1 Preparing an OS image
Boot media Preparing for installation
Optical disk drive Insert the optical disk drive that contains the OS image into the optical drive.
Bootable USB drive
Insert the bootable USB disk that contains the OS image into the USB port.
The server might be unable to install an OS if you use a Windows tool to
create a Red Hat Enterprise Linux 7.x bootable USB drive. To resolve this
issue, make sure the label name of the USB drive is the same as the label
name in
inst.stage2=hd:LABEL=
labelname
of the
linuxefi
line in the
/EFI/BOOT/grub.cfg
file and the
append
line in the
/isolinux/isolinux.cfg
file.
Change the
labelname
in LABEL=
labelname
to the label name of the
USB drive, rhel7.2 for example, and then save the modification.
PXE server
1. Prepare a PXE server, and then connect the PXE server to an Ethernet
port on the server where the OS is to be installed.
2. Upload the OS image to the PXE server.
3. Enable PXE (enabled by default) on the server where the OS is to be
installed. For more information, see "Enabling PXE (for H3C UniServer
R49
00/4700/2900/2700 G3)."
Virtual media
Mount the OS image through HDM. For more information, see "Mounting an
OS image through HDM."
Enabling PXE (for H3C UniServer R4900/4700/2900/2700 G3)
PXE is enabled by default and cannot be disabled if the BIOS boot mode is Legacy. This section
describes how to enable PXE in UEFI boot mode. For more information about BIOS boot modes, see
"Setting the BIOS boot mode."
T
o enable PXE:
1. Enter the BIOS Setup Utility.
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