Dell PowerEdge User Manual page 5

8 Troubleshooting your system....................................................................................................................... 43
Unable to configure Linux RAID using UEFI Configuration Utility.............................................................................. 43
Unable to configure Linux RAID on systems with more than 10 NVMe PCIe SSDs................................................43
Performance degradation after disabling SATA physical disk write cache policy.................................................... 44
Performance degradation in UEFI Human Interface Infrastructure...........................................................................44
Unable to modify any feature settings in UEFI or OPROM........................................................................................ 44
Extra reboot during OS installation................................................................................................................................ 44
OS installation failing on NVMe PCIe SSD with third-party driver............................................................................ 44
System startup issues..................................................................................................................................................... 44
System does not boot............................................................................................................................................... 45
Controller mode is set incorrectly at System Setup ............................................................................................. 45
Boot mode, boot sequence, and or boot sequence retry are set incorrectly .................................................... 45
Bootable virtual disk is in a failed state ...................................................................................................................45
The boot order is incorrect for a bootable virtual disk ......................................................................................... 46
A Non-RAID virtual disk is no longer in first position in the BIOS configuration utility list after a system
reboot ......................................................................................................................................................................... 46
The BIOS configuration utility option does not display .............................................................................................. 46
Configuring RAID using the Option ROM Utility is disabled....................................................................................... 46
Warning Messages...........................................................................................................................................................46
WARNING- Found virtual disks that are degraded ...............................................................................................46
WARNING - Found virtual disks that are failed ..................................................................................................... 47
WARNING - Found virtual disks that are degraded and failed ............................................................................ 47
Other errors appearing on the BIOS screen................................................................................................................. 48
S140 does not display greater than ten virtual disks in the BIOS Configuration Utility or CTRL R ................ 48
Unable to delete virtual disks when there are more than ten virtual disks present in the system...................48
Virtual disk rebuild status in the BIOS Configuration Utility or CTRL R ............................................................. 48
Physical disk - related errors...........................................................................................................................................48
The physical disk fails................................................................................................................................................ 48
A physical disk is not visible in the BIOS Configuration Utility or is offline..........................................................49
A physical disk is highlighted red at the BIOS Configuration Utility or Ctrl R.....................................................49
Cannot initialize a physical disk ............................................................................................................................... 49
Status LED is not working........................................................................................................................................ 49
Blinking and unblinking feature not working on PowerEdge R740 ..................................................................... 49
Cannot update NVMe PCIe SSD firmware by using Dell Update Package or DUP.......................................... 50
Third-party driver installation for NVMe PCIe SSD failing....................................................................................50
Unable to find the NVMe PCIe SSD for operating system installation............................................................... 50
Cryptographic erase fails for ISE-capable SATA drives.........................................................................................50
Virtual disks - Related errors.......................................................................................................................................... 50
Cannot create a virtual disk......................................................................................................................................50
A virtual disk is in a degraded state.......................................................................................................................... 51
Cannot assign a dedicated hot spare to a virtual disk........................................................................................... 52
Cannot create a global hot spare ............................................................................................................................ 53
A dedicated hot spare fails........................................................................................................................................54
Failed or degraded virtual disk .................................................................................................................................54
Cannot create a virtual disk on selected physical disks ....................................................................................... 54
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