Drive Bay Numbering: Sas Expander - HP Enterprise ProLiant DL380 Gen10 Maintenance And Service Manual

Drive bay numbering: SAS expander

Drive bay numbering: SAS expander
Drive numbering through a SAS Expander is continuous.
SAS expander port 1 always connects to port 1 of the controller.
SAS expander port 2 always connects to port 2 of the controller.
SAS expander port 3 = drive numbers 1-4.
SAS expander port 4 = drive numbers 5-8.
SAS expander port 5 = drive numbers 9-12.
SAS expander port 6 = drive numbers 13-16.
SAS expander port 7 = drive numbers 17-20.
SAS expander port 8 = drive numbers 21-24.
SAS expander port 9 = drive numbers 25-28.
Common configuration examples:
When any stacked 2SFF drive configuration is connected to the SAS expander, the drive numbering skips the second number to allow
uFF drive bay numbering .
Front 2SFF to SAS expander port 3:
Drive bay numbering: SAS expander 265