Drive bay numbering
When a server is purchased without any drive installed, some drive bays might be empty while other drive bays might be populated with drive blanks.
To maintain proper system cooling, do not operate the server without a drive or a drive blank installed.
Embedded Smart Array controller through the onboard SATA ports
Smart Array type-p SR Gen10 controllers
SAS expander card
When the backplane is connected to a storage controller, the drive bay numbering for each drive box starts at 1.
When the backplane is connected to a SAS expander, all drive boxes are treated as a single box 1. This means the drive bay numbering is continuous.
LFF drive bay numbering: Smart Array controller
LFF drive numbering: Smart Array controller
SFF drive bay numbering: Smart Array controller
SFF drive numbering : SAS expander