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Mediasonic eSATA 4 bay enclosure - have one? [ANSWERED]
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dufeu
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PostPosted: Thu Feb 18, 2016 1:36 pm    Post subject: Mediasonic eSATA 4 bay enclosure - have one? [ANSWERED] Reply with quote

I just got a Mediasonic ProBox HF2-SU3S2 4 Bay 3.5' SATA HDD Enclosure

So far, I'm loving it .. but ..

The unit has both one each of USB 3.0 and eSATA ports. I've installed 4 whitebox (Western Digital) 6T SATA III drives (24T total) and the unit works as expected with the USB 3.0 connection. All the drives are visible and their throughput performance is as expected.

I've been able to add the drives to my main btrfs pool and I've been running a btrfs balance (converting to RAID5) operation for the last 5 days on the pool (only one more day to go. 54T of raid5 goodness. WOOT!)

I'm thinking of getting another box soon and perhaps an 8 bay unit later on. I'd like to replace a combination of 13 3T and 4T external USB 3.0 drives ..

The problem is that the external enclosure won't sync on the eSATA port.

I have configured my kernel for:
Code:
→ Device Drivers → Serial ATA and Parallel ATA drivers (libata)

[*]   ATA ACPI Support
[*]   SATA Port Multiplier support
<*>   AHCI SATA support

This obviously isn't a critical problem since everything works using the USB 3.0 port.

However, the 8 bay enclosure from Mediasonic as well as similar competing enclosures also come with only one each eSATA and USB 3.0 ports. For those enclosures, you're expected to use the USB 3.0 port for 4 drives and the eSATA port for the next 4 drives.

If I can't get the eSATA port to work, then I'll be limited to the 4 bay enclosures only.

I have 2 SATA controllers installed. The eSATA port I want to use is the one built-in on the motherboard. I installed the Gigabyte GA-F2A88X-UP4 FM2+ / FM2 AMD A88X (Bolton D4) 7 x SATA 6Gb/s USB 3.0 HDMI ATX AMD motherboard. lspci reports these controllers:
Code:
00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 40)
06:00.0 SATA controller: Marvell Technology Group Ltd. 88SE9230 PCIe SATA 6Gb/s Controller (rev 10)

The Marvell controller is on a PCIe SAS card driving 4 internal drives (I have 10 internall drives installed).

Does anyone have any of these new (SATA III capable) external enclosures up and running? Is so, what did you have to do to get them to work?

Any configuration advice or items to look for would be appreciated.
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Last edited by dufeu on Fri Feb 19, 2016 11:41 pm; edited 1 time in total
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s4e8
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PostPosted: Fri Feb 19, 2016 9:50 am    Post subject: Reply with quote

Most sata controllers don't support FBS, not suitable for multislot enclosure. Marvell controllers does support FBS, but parallel performance is poor, and It doesn't support SNTF, so no hotplug event. The best one is SI3132, but the speed limit to 110M per port. Marvell 9485 SAS2 controller support SATA PMP, but linux libsas claim NO sas controller support SATA PMP, limit to sas expander only.
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dufeu
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PostPosted: Fri Feb 19, 2016 11:40 pm    Post subject: Reply with quote

s4e8 wrote:
Most sata controllers don't support FBS, not suitable for multislot enclosure. Marvell controllers does support FBS, but parallel performance is poor, and It doesn't support SNTF, so no hotplug event. The best one is SI3132, but the speed limit to 110M per port. Marvell 9485 SAS2 controller support SATA PMP, but linux libsas claim NO sas controller support SATA PMP, limit to sas expander only.

Ahh ...

This is good to know.

So for now, I'm limited to USB 3.0 based enclosures or SAS expander based enclosures. I can work with that. I hope things improve in the future.

;)

Thanks!
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