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Optical drives not working on SAS 3 HBA


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8 replies to this topic

#1 TheCherryKing

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Posted 26 February 2018 - 12:26 AM

My motherboard has an onbaord SAS 3 RAID controller but it is unable to detect any optical drives. Removable media support is turned on. These optical drives worked just fine on an older SAS 2008 controller but they do not work on the SAS 3008 controller. The optical drives are completely unresponsive during and after the initialization processor in the SAS 3 BIOS. Prior to the initialization process the optical drives would be able to open when the button was pressed. These optical drives need to be on the on-board SAS controller as using the SATA ports is not an option.
 
System Specifications:
Motherboard: Supermicro X10DAC
Processors: Intel Xeon E5-2695v3(2 Processors)
System BIOS Version: 2.0b
 


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#2 Captain_Chicken

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Posted 26 February 2018 - 06:36 PM

Why is using SATA ports not an option? What kind of chassis is this server in?

I have never heard of a SAS optical disk drive. 


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#3 TheCherryKing

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Posted 26 February 2018 - 07:25 PM

Why is using SATA ports not an option? What kind of chassis is this server in?

I have never heard of a SAS optical disk drive. 

The SATA ports are completely blocked by a graphics card. The motherboard is not in a server rack chassis, instead it is in a standard tower(Corsair 900D). All SAS and SATA devices are connected using cables directly from the motherboard to each device. There is no backplane. There aren't any SAS optical drives but the SATA optical drives should be able to work on a SAS controller. 



#4 Captain_Chicken

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Posted 26 February 2018 - 08:27 PM

Have you tried a right angle sata connector?

71kXefKt2jL._SY355_.jpg


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#5 JohnC_21

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Posted 26 February 2018 - 09:00 PM

I don't know why it would be not set but according to the manual a jumper at JPS1 need to be set to pins 1 and 2 to enable the SAS controller which is default. 



#6 TheCherryKing

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Posted 26 February 2018 - 11:12 PM

I don't know why it would be not set but according to the manual a jumper at JPS1 need to be set to pins 1 and 2 to enable the SAS controller which is default. 

The SAS controller is enabled and hard disk drives and solid sate drives are running just fine of the SAS controller.

 

Have you tried a right angle sata connector?

71kXefKt2jL._SY355_.jpg

No, but I can already tell there is not enough clearance. The SATA ports are millimeters way from a heat pipe for the graphics card.  



#7 Platypus

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Posted 27 February 2018 - 02:44 AM

What SATA specification are the optical drives?

 

It appears the SAS 2008 supports 1.5GB/s SATA, whereas SAS 3008 specs say:

 

"Supports 12, 6, and 3 Gb/s SAS and 6, 3 Gb/s SATA data transfer rates"

 

https://docs.broadcom.com/docs/12351998


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#8 TheCherryKing

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Posted 27 February 2018 - 01:02 PM

What SATA specification are the optical drives?

 

It appears the SAS 2008 supports 1.5GB/s SATA, whereas SAS 3008 specs say:

 

"Supports 12, 6, and 3 Gb/s SAS and 6, 3 Gb/s SATA data transfer rates"

 

https://docs.broadcom.com/docs/12351998

Both Optical drives are SATA 6 Gb/s.



#9 Platypus

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Posted 27 February 2018 - 01:56 PM

Not looking like that then. :)


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