TX1320 M2: How to connect drives in HDD expansion box to mainboard SATA ports

PRIMERGY, SPARC Enterprise Server, PRIMEFLEX, PRIMEPower, BS2000

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jazzz
Posts: 10
Joined: Wed Jun 19, 2019 18:46
Product(s): PRIMERGY TX1320 M2

TX1320 M2: How to connect drives in HDD expansion box to mainboard SATA ports

Postby jazzz » Wed Jun 26, 2019 12:58

Is it possible to connect the two drives in the TX1320 M2 HDD expansion box to the two SATA ports on the mainboard?

Physically it would be possible with a mini SAS HD (SFF-8643) -> 4xSATA cable, while using just two SATA connectors of course.

Has anyone tried this?

jazzz
Posts: 10
Joined: Wed Jun 19, 2019 18:46
Product(s): PRIMERGY TX1320 M2

Re: TX1320 M2: How to connect drives in HDD expansion box to mainboard SATA ports

Postby jazzz » Tue Jul 02, 2019 16:11

I just tried using a Supermicro MiniSAS HD to 4x SATA 50/50cm Cable (CBL-SAST-0616).

It did not work. The drives were not recognised.

Will try again using a reverse breakout cable soon.
Last edited by jazzz on Mon Jul 08, 2019 8:16, edited 1 time in total.

jazzz
Posts: 10
Joined: Wed Jun 19, 2019 18:46
Product(s): PRIMERGY TX1320 M2

Re: TX1320 M2: How to connect drives in HDD expansion box to mainboard SATA ports

Postby jazzz » Mon Jul 08, 2019 8:15

Yes!

It is possible to connect the two SATA drives in the HDD expansion box of the TX1320M2 directly to the D-3373 mainboard SATA ports 5 and 6, without placing a dedicated HBA/RAID controller.

In this case I used the Supermicro CBL-SAST-0631 HD MiniSAS reverse breakout SATA cable.

The two drives were instantly recognized in the BIOS and the server booted without any problems.

So technically it is NOT required to use a PCI-e HBA / RAID controller when adding the two drives in the HDD expansion box. You can also use this special cable and use the SATA controller on the mainboard.

Keep in mind that hardware raid for the two drives in the expansion box is not available and I have not checked the speed performance of this setup and I do not expect Fujitsu to support this configuration.

But it works perfectly for adding all six drives to my ZFS pool(s) in Proxmox 5.3. And as an extra benefit, the system remains a bit cooler and more energy efficient without the hot-running PCI-e HBA / RAID controller.


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