Not all NVMe SSDs in VROC array are visible

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Not all NVMe SSDs in VROC array are visible

Postby Gagome » 2019.10.30. 16:44

Hello,

I searched for a product which is able to show me the temparature of my NVMe SSDs which are members of Intel VROC arrays.
And I found HDS version 5.50. In the revision history log I saw that this version should support NVMe RAID array members.
But it doesn't seem to work 100% correct.

I have a Lenovo P920 and there are total 3 VROC arrays. One is RAID1 and the other two RAID10.
In total I have 10 NVMe SSDs installed. All are members of VROC arrays and all are SAMSUNG PM981.

HSD version 5.50 only shows 6 NMVe members.
Why only 6?
What about the other 4?

Is there a limit how many NVMe SSDs HSD is able to detect?

Additionally I have 6 "non-SSD" harddisks attached to an Adaptec RAID controller. All 6 are detected by HSD.
And another SSD disk (non-RAID) is attached to the PC.
This makes total 17 harddisks.
HSD only detects 14.
4 NVMe SSD disks are missing.
Is 14 disks a limit in HSD?

Is this probably a bug? Or a limit of the non-registered version?
I would buy HSD when it fully works.

Thanks.

Attached is a screenshot of Intel VROC Device list and a screenshot of HSD Hard Disk Drives list.
HSD only sees 6 SAMSUNG NVMe drives.
Attachments
HSD_HARD-Disk-Drives_list.jpg
HSD_HARD-Disk-Drives_list.jpg (175.79 KiB) Viewed 105 times
Intel_VROC_Device_list.jpg
Intel_VROC_Device_list.jpg (70.16 KiB) Viewed 105 times
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Re: Not all NVMe SSDs in VROC array are visible

Postby hdsentinel » 2019.10.31. 10:11

Thanks for your message.

No, I can confirm that there are no limits in Hard Disk Sentinel, especially not a trial/unregistered limitation.
The trial/unregistered version designed exactly to verify and confirm hardware compatibility.

As VROC is a relatively new area and it is impossible to reproduce all different configurations/combinations, it is possible that currently some disks may be missing. Personally had no opportunity to test with 10 NVMe SSDs on VROC controller yet.
Good to hear that many of the SSDs could be detected correctly and good to hear that disk drives on the Adaptec controller also detected as should.

To investigate why some SSDs missing and improve the situation, please

1) open Configuration -> Send test report page.
2) use the Create test report to create and then save a developer-report in text file
3) send that developer-report to info (at) hdsentinel (dot) com address.

This way it is possible to examine specifically the "raw" response of the VROC controller and improve the detection for this specific situation, to extend the detection for more SSDs.
From this developer-report, I suspect an updated version can be made quickly.
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Re: Not all NVMe SSDs in VROC array are visible

Postby Gagome » 2019.10.31. 11:53

Thanks for your reply.

I have now created a Test Report and I have sent it to you.
Hopefully you can see what is wrong and fix it.

Thanks.
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Re: Not all NVMe SSDs in VROC array are visible

Postby Gagome » 2019.11.11. 18:47

Hello,

Any news?
Have you received the report?
Did you see anything which can be corrected?

Thanks.
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Re: Not all NVMe SSDs in VROC array are visible

Postby hdsentinel » 2019.11.12. 09:37

Yes, I received the report, thanks!
Still working on it. Seems the VROC driver does not respond as should in your case, so trying to verify the situation and make changes.
Will send updated version soon, surely in some days.
Thanks for your patience.
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