CHAPTER
6-1
Cisco UCS Server Configuration Utility, Release 5.0
6
Installing Operating Systems
The unattended operating system installation function helps you install the Microsoft Windows and
RedHat Linux operating systems. UCS-SCU has integrated device drivers including RAID drivers to
seamlessly install operating systems on supported RAID logical arrays without additional load driver
steps or devices such as the USB.
UCS-SCU supports operating system installation only on virtual disks, and solid state disk (SSD) in
AHCI mode. Installation on physical disks is not supported. All UCS-SCU supported operating systems
are organized into three groups: Windows, Linux and RHEL.
Note Before you begin the operating system installation, be sure that you have disabled the Watchdog Timer.
If this feature is enabled and the value is set for a time duration that is less than the time needed to install
the OS, the operating system installation process is interrupted. This Watchdog Timer feature
automatically reboots or powers off the server after the specified time duration.
You can use the following two options to install the operating system:
• ESXi Install, page 6-1—Use the ESXi Install option to install the operating system with the
customized settings.
• Quick Install, page 6-4—Use the Quick Install option to install the operating system with the default
settings.
• Custom Install, page 6-6—Use the Custom Install option to modify the default settings prior to
installing the operating system.
ESXi Install
The ESXi Install option allows you to install the operating system and customize the default settings.
Step 1 To enter the unattended operating system installation function area, click OS Install in the left
navigation pane.
The OS Install page appears.
Step 2 Click the ESXi radio button and choose an ESXi version from the Operating System drop-down list.
The Edition drop-down list appears.
Step 3 Click Next.
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