Dell PowerEdge R7525 EMC PowerEdge RAID Controller S150 Users Guide - Page 54
RAID disk created from the NVMe PCIe SSDs not appearing in operating system environment
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RAID disk created from the NVMe PCIe SSDs not appearing in operating system environment, showing as partitioned disks Description Corrective Action RAID disk created in UEFI mode from the NVMe PCIe SSDs are not discoverable in the operating system mode. Ensure that the partitioned drives are not deleted. Install the PERC S150 driver to see the RAID disks. See Installing the drivers on page 38 for more information. Cannot perform an Online Capacity Expansion or Reconfigure on a virtual disk Determine whether these physical/virtual disks were migrated from a legacy controller with mixed RAID levels. If so, Online Capacity Expansion/Reconfigure by adding physical disk on such a set of physical disks is not allowed. Unable to configure RAID on NVMe PCIe SSD using a third party RAID configuration utility Corrective Action Ensure that the NVMe is set on Non RAID mode. See Setting the NVMe PCIe SSDs to RAID mode on page 38. 54 Troubleshooting your system