Users Guide

To investigate the cause, check for the following:
● Whether the virtual disk is in Degraded status because one of the physical disks of a RAID 1 or RAID 5 virtual disk has failed,
or one of the physical disks of a RAID 10 virtual disk has failed. Press Ctrl+R and verify if the physical disks are offline or
missing. Remove and replace a failed physical disk. A second physical disk failure could cause a Degraded virtual disk to
change to Failed status.
● Whether the virtual disk is in a Failed status because one or more of the physical disks have failed. Press Ctrl+R and verify if
the physical disks are offline or missing. Remove and replace the failed physical disk or disks.
Offline status of SAMSUNG 1733 or 1735 drives
Description: Samsung 1733 or 1735 drives are displayed as offline in UEFI and in Open Manage software.
Corrective
action:
The drive should have only one namespace(s) for software RAID support. Delete the extra namespaces if
any.
Other errors appearing on the BIOS screen
BSOD is observed while booting on the NVMe configuration server
Description: NVMe drives utilize the system resources, if more number of NVMe drives is connected to a server
having less number of cores, then there is a lack of resources to service the NVMe and BSOD can occur.
Corrective
action:
Ensure logical processor is enabled under BIOS HII > Processor Settings or remove some of the
NVMe drives before booting and hot insert the drives after booting.
Failure of dump file creation
Likely cause:
Operating system installed on Samsung PM1733 and PM1735 drives.
Corrective
action:
This is an expected behavior. Contact www.dell.com/supportassist or www.dell.com/support/home.
S150 controller lists M.2 drives
Description:
In RAID mode, M.2 drives mapped to onboard SATA controller are claimed by the S150 controller.
Corrective
action:
This is an expected behavior and no action is required.
Error in displaying the CD/DVD-ROM while in legacy mode
Description:
The maximum number of virtual disks supported in legacy BIOS mode is 10. The user will not be able to
view CD/DVD-ROM in the BIOS One Shot Boot Menu if the number of virtual disks exceeds 10.
Corrective
action:
Delete virtual disks so that the number of virtual disks does not exceed 10.
Unavailable error under UEFI boot settings
Description:
In an NVMe configuration Embedded RAID controller 2 is unavailable under UEFI boot settings.
Troubleshooting your system 49