Dell PowerEdge C6420 EMC Installation and Service Manual - Page 57

Redundant OS Control, Viewing Redundant OS Control, Redundant OS Control screen details

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NOTE: You can use the password status option with the setup password option to protect the system password from unauthorized changes. Redundant OS Control In the Redundant OS Control screen you can set the redundant OS information. This enables you to set up a physical recovery disk on the system. Viewing Redundant OS Control To view the Redundant OS Control screen, perform the following steps: Steps 1. Power on, or restart your system. 2. Press F2 immediately after you see the following message: F2 = System Setup NOTE: If your operating system begins to load before you press F2, wait for the system to finish booting, and then restart your system and try again. 3. On the System Setup Main Menu screen, click System BIOS. 4. On the System BIOS screen, click Redundant OS Control. Redundant OS Control screen details The Redundant OS Control screen details are explained as follows: About this task Option Redundant OS Location Redundant OS State Redundant OS Boot Description Enables you to select a backup disk from the following devices: • None • SATA Ports NOTE: RAID configurations and NVMe cards not are included as BIOS does not have the ability to distinguish between individual drives in those configurations. NOTE: This option is disabled if Redundant OS Location is set to None. When set to Visible, the backup disk is visible to the boot list and OS. When set to Hidden, the backup disk is disabled and is not visible to the boot list and OS. This option is set to Visible by default. NOTE: BIOS will disable the device in hardware, so it cannot be accessed by the OS. NOTE: This option is disabled if Redundant OS Location is set to None or if Redundant OS State is set to Hidden. When set to Enabled, BIOS boots to the device specified in Redundant OS Location. When set to Disabled, BIOS preserves the current boot list settings. This option is set to Disabled by default. Pre-operating system management applications 57

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NOTE:
You can use the password status option with the setup password option to protect the system password from
unauthorized changes.
Redundant OS Control
In the
Redundant OS Control
screen you can set the redundant OS information. This enables you to set up a physical recovery disk on
the system.
Viewing Redundant OS Control
To view the
Redundant OS Control
screen, perform the following steps:
Steps
1.
Power on, or restart your system.
2.
Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3.
On the
System Setup Main Menu
screen, click
System BIOS
.
4.
On the
System BIOS
screen, click
Redundant OS Control
.
Redundant OS Control screen details
The
Redundant OS Control
screen details are explained as follows:
About this task
Option
Description
Redundant OS
Location
Enables you to select a backup disk from the following devices:
•
None
•
SATA Ports
NOTE:
RAID configurations and NVMe cards not are included as BIOS does not have the ability to
distinguish between individual drives in those configurations.
Redundant OS
State
NOTE:
This option is disabled if Redundant OS Location is set to None.
When set to
Visible
, the backup disk is visible to the boot list and OS. When set to
Hidden
, the backup disk is
disabled and is not visible to the boot list and OS. This option is set to
Visible
by default.
NOTE:
BIOS will disable the device in hardware, so it cannot be accessed by the OS.
Redundant OS
Boot
NOTE:
This option is disabled if Redundant OS Location is set to None or if Redundant OS State is
set to Hidden.
When set to
Enabled
, BIOS boots to the device specified in
Redundant OS Location
. When set to
Disabled
,
BIOS preserves the current boot list settings. This option is set to
Disabled
by default.
Pre-operating system management applications
57