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randman

SSD for HPE ML30

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randman

 I am looking for an SSD for the HPE ML30 that I ordered. I plan on booting it up with ESXi from a USB stick. But the VMs will be in a local SSD datastore.

I don't plan on buying a separate drive controller for the ML30 (I'd like to setup RAID, but HPE's controllers are quite $$$).

 

So, one option is to just buy a 1TB 2.5" SSD (like the Samsung EVO 860). But I was looking at the HPE ML30 Server User Guide page 55

(http://content.etilize.com/User-Manual/1046044078.pdf) and it talks about an M.2 enablement kit. There's no details about what this is. The ML30's Quick Specs document mentions the "HPE ML10v2 Drive Enablement Kit" (part number 812248-B21). I think it can be used for installing M.2 cards? I couldn't find much info on this device and whether it supports 3rd party M.2 cards.

 

Has anyone used this drive enablement kit?

 

Anyone have any good SSD suggestions for this server?

 

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randman

Edit: To use in M.2 SSD, not sure if either part number 

878783-B21 or 812248-B21 can be used. Anyone know?

 

Edited by randman

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randman

Okay, I got a little more info from https://h20195.www2.hpe.com/v2/getdocument.aspx?docname=a00001288enw . This says:

 

"878783-B21 enablement Kit is an Add-In-Card, for installation inside of the server, that can be configured to be either Single or Dual with choice of any SATA 2280 M.2 in the HPE M.2 portfolio. "

 

So, looks like I can put one or two M.2 SSDs in this PCI-E card. This card has two cables that connect to two SATA ports in the motherboard. The question is: is this any faster (in terms of read/writes) as compared to a normal 2.5" SATA SSD card that I would install in bay 1? Normally, an M.2 SSD is much faster than a 2.5" SSD, but I don't know if that would be the case when using this PCI-E card. 

 

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schoondoggy

M.2 NVMe PCIe cards are much faster than 2.5" SATA SSD's. M.2 SATA SSD's are the same performance as 2.5" SATA SSD's.

NVMe devices require UEFI BIOS to be a bootable device.

For HPE RAID, I just bought a used P430 with 2GB cache for $110 and a used P440 with 4GB cache for $129. I believe the ML30 has the charging port for the bigger cache battery for the P440 controllers. They both work well with ESXi.

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randman

 

Thanks for the tip. I looked at baby for P440, and the prices are much better than the usual online retails. I do have some old Samsung 840 2.5" SATA SSDs that I can use with the P440 (not sure how well the Samsung 840s do garbage collection). 

 

The HPE ML30 supports UEFI so it can boot via NVMe PCIe. But I plan on booting ESXi off a USB stick, so it doesn't matter. I saw this article https://tinkertry.com/how-to-install-a-2nd-samsung-950-pro-m2-nvme-on-superserver which used a Lycom DT-120 PCIe card with an M.2 SSD. So, I'm considering getting that and the Samsung 970 EVO NVMe SSD to use as a datastore for my VMs.

 

So, now I need to decide whether to go for the speed of an NVMe PCIe or be safe and go for a RAID array.... 

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schoondoggy

Do both!

Only caution on the P440 is the battery for the cache. There is a small one, or a large one that can support multiple controllers. Either can be pricey.

On the P430 and P440 the connector on the board is not a SFF-8087. There are affordable cables on eBay, but they are designed to connect to back-planes.

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