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iDRAC 8/7 v2.30.30.30 User’s Guide

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Viewing universal slots

Some of the 13th generation PowerEdge server backplanes supports both SAS/SATA and PCIe SSD drives in the same slot. These slots are wired to the primary storage controller (PERC) and a PCIe extender card. These slots are called “universal” slots. Backplane firmware provides information on the slots that support this feature. The backplane supports SAS/SATA disks or PCIe SSDs. Typically the four higher number slots are universal. For, example, in a universal backplane supporting 24 slots, slots 0-19 support only SAS/SATA disks while slots 20-23 support either SAS/SATA or PCIe SSD.

The roll-up health status for the enclosure provides the combined health status for all the drives in the enclosure. The enclosure link on the Topology page display the entire enclosure information, irrespective of which controller it is associated with. As two storage controllers (PERC and PCIe extender) can be connected to the same backplane, only the backplane associated with the PERC controller is displayed in System Inventory page.

In the Storage > Enclosures > Properties page, the Physical Disks Overview section displays the following:
  • If a slot is empty, Slot Empty is displayed for the slot.
  • If there are no PCIe capable slots, then the PCIe Capable column is not displayed.
  • If it is a universal backplane with PCIe SSD in one of the slots, then the Bus Protocol column displays PCIe.
  • The Hotspare column is not applicable for PCIe SSD.
  • NOTE: Hot swapping is supported for universal slots. If you want to remove a PCIe SSD drive and swap it with a SAS/SATA drive, make sure to first complete the PrepareToRemove task for the PCIe SSD drive. If you do not perform this task, the host operating system may have issues such as a blue screen, kernel panic, and so on.

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