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Dell PowerEdge RAID Controller 11 User’s Guide PERC H755, H750, H355, and H350 Controller Series

System reports more drive slots than what is available

The system reports more slots than what is available in the following two scenarios:

System drives are hot swappable with backplane.
When the system drives are hot swappable, the PERC controller is not able to communicate correctly with the backplane or enclosure. Hence, the PERC controller reports a generic enclosure with drive 16 slots. In iDRAC, under Overview > Enclosures, the Enclosure ID is displayed as BP_PSV and Firmware version is displayed as 03.
Corrective action
Turn off the system, reseat the controller and all the cables on the controller and backplane. If the issue is not resolved, contact your Dell Technical Service representative.
System drives are not hot swappable with cable direct attached.
When the system drives are not hot swappable, a default enclosure with 16 drive slots is expected to be reported (even though the system does not support that many drives).

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