- Notes, cautions, and warnings
- Dell EMC PowerEdge R6415 overview
- Documentation resources
- Technical specifications
- Initial system setup and configuration
- Pre-operating system management applications
- Options to manage the pre-operating system applications
- System Setup
- Viewing System Setup
- System Setup details
- System BIOS
- Viewing System BIOS
- System BIOS Settings details
- System Information
- Viewing System BIOS
- System Information details
- Memory Settings
- Viewing Memory Settings
- Memory Settings details
- Processor Settings
- Viewing Processor Settings
- Processor Settings details
- SATA Settings
- Viewing SATA Settings
- SATA Settings details
- NVMe Settings
- Boot Settings
- Viewing Boot Settings
- Boot Settings details
- Choosing system boot mode
- Changing boot order
- Network Settings
- Viewing Network Settings
- Network Settings screen details
- Integrated Devices
- Viewing Integrated Devices
- Integrated Devices details
- Serial Communication
- Viewing Serial Communication
- Serial Communication details
- System Profile Settings
- Viewing System Profile Settings
- System Profile Settings details
- System Security
- Viewing System Security
- System Security Settings details
- Creating a system and setup password
- Using your system password to secure your system
- Deleting or changing system and setup password
- Operating with setup password enabled
- Redundant OS Control
- Viewing Redundant OS Control
- Redundant OS Control screen details
- Miscellaneous Settings
- Viewing Miscellaneous Settings
- Miscellaneous Settings details
- iDRAC Settings utility
- Device Settings
- Dell Lifecycle Controller
- Boot Manager
- PXE boot
- Installing and removing system components
- Safety instructions
- Before working inside your system
- After working inside your system
- Recommended tools
- Optional front bezel
- System cover
- Backplane cover
- Inside the system
- Air shroud
- Cooling fans
- Intrusion switch
- Drives
- System memory
- Processors and heat sinks
- Expansion cards and expansion card risers
- Optional MicroSD or vFlash card
- Optional IDSDM or vFlash module
- LOM riser card
- Mini PERC card
- Drive backplane
- Cable routing
- System battery
- Optional internal USB memory key
- Optical drive (optional)
- Power supply units
- Power interposer board
- Control panel
- System board
- Restore the service tag using Easy Restore
- Trusted Platform Module
- System diagnostics
- Jumpers and connectors
- Getting help
Dell EMC PowerEdge R6415 Installation and Service Manual
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
- IDSDM
- SATA Ports in AHCI mode
- BOSS PCIe Cards (Internal M.2 Drives)
- Internal USB
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 Enabled by default.
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