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Last reply by 05-26-2022 Unsolved
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PowerEdge XE8545 - U.2 NVMe drive not recognized

Hello all,

We've been having a hard time trying to get XE8545 to recognize an aftermarket U.2 NVMe drive. When we attach the drive to the server, the status LED (on the top) turns green and blinks. The working indicator LED (on the bottom) does not turn on.

The drive is not recognized anywhere on iDRAC including in Storage > Physical Disk section and System > Overview > PCI slots section. ESXi (DEL-ESXi-703_19482537-A04 (Dell Inc.)) also does not recognize the drive in both the Storage section and Host > Manage > Hardware > PCI devices section.

The drive in concern is Samsumg PM9A3 7.68TB (MZQL27T6HBLA-00A07). When we connect the drive to a desktop PC, it works without an issue so it doesn't seem to be the drive's problem. Also, the drive is listed on the ESXi compatibility matrix so it is not a driver issue either.

We've tried changing the BIOS settings as following, but none worked.

SATA Settings > Embedded SATA [AHCI Mode -> RAID Mode]


NVMe Settings > NVMe Mode [Non RAID -> RAID]
NVMe Settings > BIOS NVMe Driver [Dell Qualified Drives -> All Drives]


Boot Settings > Boot Mode [BIOS -> UEFI]
 

Any ideas on recognizing the drive will be greatly appreciated. Thanks.

Replies (9)

Hi @mpark,

 

Unfortuantely, for U.2 NVMe drives, it is limited to few models of drives that is compatible with XE8545. I'd search through for MZQL27T6HBLA, but it's not listed. So you might be facing an incompatibility issue. I'm pretty sure you have already updated the server's hardware firmware?

 

We may need to wait for the public member in this forum to provide any feedback if they faced the same issue and has a solution for it. 


DELL-Joey C
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Thanks for the reply, @DELL-Joey C.

 

May I ask, where can I find the compatibility matrix in regards to U.2 drives attachable to XE8545?

Hi,

we have no public list but you could contact your Sales representative to get a perfect offer.

 

Regards Martin

 

 


Martin Schiemenz
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@Dell-Martin S @DELL-Joey C 

 

We have a Micron 7300 Pro drive, also aftermarket, that are free to use. Can you check whether any of these drives are in the compatibility matrix of XE8545?

  • Micron 7300 PRO 1.92TB 2.5" PCIe NVMe Internal Solid State Drive MTFDHBE1T9TDF
  • Micron 7300 PRO 3.84TB 2.5" PCIe NVMe Internal Solid State Drive MTFDHBE3T8TDF
  • Micron 7300 PRO 7.68TB 2.5" PCIe NVMe Internal Solid State Drive MTFDHBE7T6TDF

Hi @mpark,

 

Here's what I found in my accessible database. 

 

8W2G5 Optimized Drive (NVMe) Solid State Drive NVMe SSDR NVMe 3.84TB U.2 CM6 by KIOXIA
97GR0 Solid State Drives Solid State Drive SSDR NVMe 3.2TB Mixed Use (MU) U.2 CM6 by KIOXIA
C9X5T Solid State Drive, 1.6 TB Solid State Drive, 1.6 TB SSDR NVMe 1.6TB U.2 P5600 by Intel
N0VK0 Optimized Drive (NVMe) Solid State Drive NVMe SSDR NVMe 1.92TB U.2 CM6 by KIOXIA
P03YC Solid State Drive, 1.6 TB Solid State Drive, 1.6 TB SSDR NVMe 1.6TB Mixed Use (MU) U.2 CM6 by KIOXIA
PRKTM Optimized Drive (NVMe) Solid State Drive NVMe SSDR NVMe 3.2TB U.2 P5600 by Intel


DELL-Joey C
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@DELL-Joey C, Thank you for sharing the contents in the database! I just have one question, is this the complete list? Aren't there any drives that are over 4TB?

Hi @mpark,

 

This is the list that I am able to access to and might be the only part which are compatible to XE8545. 

 

By the way, how are you connecting the drives? Through the backplane? Did you make sure the hardware firmware is all up to date? Do you have access to check the backplane DPN#?


DELL-Joey C
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Hi, @DELL-Joey C. Thanks for the confirmation.

I am connecting the drives by the front bay so through the backplane (I guess). I checked that all hardware firmware is up to date. I used Dell's SUU to update all the firmwares including SEP hardware, which I think is the firmware for the backplane. I noticed that there are seperate lines for NVMe drives in the backplane of XE8545. I suspect it is of course connected when the server is manufactured, right?

Can I get the DPN# through iDRAC? I wasn't able to find any info other than the backplane's enclosure ID being BP15G+ 0:1.

Hi @mpark,

 

I doubt you would be able to find the DPN# of the backplane in iDRAC. But I went through the user guide and I think there is only 1 backplane model, hence need not check it at the moment. Yes, the backplane has 4 connectors to be connected to the mainboard in order for you to use NVMe drives, each port supports 2 disk only. Can you check if they are connected to the mainboard? (I notice the labels are incorrect, hence please refer to the picture only) https://www.dell.com/support/manuals/en-us/poweredge-xe8545/marzal_xe8545_ism/system-board-connector... Port no. 33, 36, 37, 40.


DELL-Joey C
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