Adding optional drive back plane DL360 G7

InSearchOf
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I have a Proliant DL360 G7 server. I added an optional drive expansion back plane to accommodate more drives. I removed the CD ROM. When I boot up on the smart start cd to configure my drives, I only see 4 x drives which are in the primary back plane. I have a P410i controller. Why can I not see my other drives. When I hold down the power button, all drives flash. I have 146GB SAS drives.
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Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017

Commented:
Did you connect the new backplane to the P410i controller?
InSearchOfIT Director

Author

Commented:
I connected the backplane cable to a connector on the motherboard just like the primary backplane. The connectors were side by side on the mother board.
Top Expert 2014

Commented:
power cable ?
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InSearchOfIT Director

Author

Commented:
Power cable is in place. As I mentioned when I hold down the power button, all eight drive's led flash.
Top Expert 2014

Commented:
Sounds like the SAS cable isn't clicked in properly, The disk lights are on the backplane and flash when the LED driver chip on the backplane initializes, they flash whether a disk is in the slot or not and if I remember correctly they also flash if the SAS cable isn't connected. these LEDs are turned on and off via the sideband wires rather than data wires within the cable so it's even possible that you will see them flash if the disk is pushed in without operating the handle since the perspex light-pipes would still be aligned.
InSearchOfIT Director

Author

Commented:
Let me check.
InSearchOfIT Director

Author

Commented:
cable is good.
Top Expert 2014
Commented:
Prove the backplane works by swapping cables and disks between the two backplanes (not much to go wrong with the backplane, it's just copper and plastic).

You can upload an adureport from the ACU/ADU/SSA and I'll look to see if there is anything there, but unlikely to show anything.
InSearchOfIT Director

Author

Commented:
Thanks for all the help

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