nvme

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    M.2 to SAS or M.2 to PCIe adapter? and Why?

    Hi, I’m in the middle of buying parts to upgrade to a new server I got (for free)! ML350 G9 From ML 150 G6 Now I need to switch to SFF disks, which is not really a problem because most of them are 2.5-inch SSDs But I need a new drive for the OS because what I’m using right now is SAS LFF I...
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    Netapp NVMe Format

    I had some Netapp X4010A's (SED) come in recently that were formatted to 4096 byte sector when they're supposed to be 4160. I was able to format them back to 4160 in parted magic using the command nvme format -l 4 -f /dev/nvme0n1 I can do this all day long with Netapp SAS drives that are 512...
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    Supermicro Superserver PCIe NVMe Problems

    I recently acquired a Supermicro superserver with X10DRG-OT+ mainboard and X9DRG-O-PCIE board. I need to be able to boot from NVMe drive(s), my plan was to install Proxmox on a ZFS RaidZ1 with 4 NVMe drives. I got a cheap PCIe NVMe riser card - ASUS Hyper M.2 x16 PCIe 3.0 x4 Expansion Card V2...
  5. pcmoore

    ZFS NVMe pool questions

    I'm a happy TruNAS user who is migrating an old 5400rpm based server over to an all NVMe system, and I had a couple of questions around structuring the pool and selecting record sizes. I've done some searching online and the guidance varies quite a bit so I'm turning to all of you in hopes that...
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    u.2 nvme slow transfer problem

    I've a problem with low transfer rate on my nvme drives. My hardware specs: motherboard: H13SAE-MF / H13SAE-MF | Motherboards | Products | Supermicro cpu: EPYC Raphael 4564P controller: AOC-SLG4-4E4T / AOC-SLG4-4E4T | Add-on Cards | Accessories | Products - Super Micro Computer, Inc. 4 x nvme...
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    [FS] [US-AZ] the MOTHERLOAD! new custom servers added.

    It is time. I have a pair of loaded dell servers that I am now ready to sell. They are similar in spec to the following: Dell PowerEdge XR12 Server - Xeon 8352M 32-Core 512GB RAM 6x 3.84TB SSD H355 | eBay They want $14K for one. I can sell 2 of a similar (actually better in some of the...
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    Connecting U.3 only drive to a H12SSL-i

    I bought a disk on ebay, which turned out to be a U.3 only SSD (it is an HPE PM1735a similar to this article). As expected, it doesn't work on a U.2 connector, either the motherboard doesn't boot or Windows doesn't boot. I am looking at U.3 cables but I must say I am a bit confused. I'd like to...
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    U.2 backplane for desktop

    I have been adding u.2 (PCIe 3) drives to my home server (more than reasonable or needed). What I find, which I am sure will surprise no one, is that the cabling is an absolute nightmare. The u.2 cables are typically very thick and the connection to the drive is fragile and doesn't hold under...
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    What cable?

    Just purchased an ASUS ROG Crosshair X870E Hero motherboard with a SlimSAS connector supporting PCIe 4.0 x4 mode. Would like to connect a Micron 7500 Pro 7.68TB U.3 PCIe 4.0 NVMe SSD using this port wondering what cable to look for? Asus ROG Crosshair X870E Hero User’s Manual Micron 7500 NVMe...
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    HP Enterprise NVME (U.2) additional port question

    Picked up a used HP Enterprise NVME (U.2) 1.92TB drive and on the edge of it there is a different port. I am thinking this port is for (a)battery/power backup and/or (b)some HP monitoring port. So what is it, and if it is (a) then what is the port's name and the pin-outs?
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    Gigabyte MZ32-AR0 + 2x U.2 = No drives detected, but if 1 is plugged in then it works?

    On all 3 of my Gigabyte MZ32-AR0 Rev 1.0 boards if I plug in a Single u.2 to the board it works, but if I plug in a second they both don't show up. Really weird. Checking via BIOS. Using these SlimSAS 4x to U.2 NVMe (SFF-8654 to SFF-8639) cables https://www.amazon.com/dp/B099DYK9CW + Molex...
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    Question: Bifurcated PCIe NVMe Adapter with Raid0 and low performance

    Hi @ all, I'm fairly new to Proxmox and Linux in general and i am trying to upgrade my server with some fancy hardware. I installed the Asus Hyper with four NVMe cards on my Super Micro X12 Mainboard. I am using 4x4x4x4 bifurcation for this setup and created a RAID0 and added it as a storage...
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    Dell PM1725 PCIe NVMe Firmware Install Fail (R740)

    I recently purchased a PCIe NVMe drive for my PowerEdge R740. It is the "Dell PM1725 NVMe SSD," manufactured by Samsung. The Samsung part number is MZPLK3T2HCJL. iDRAC9 showed an available firmware update: "Express Flash PCIe SSD." After successfully downloading the update, the installation...
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    New TrueNAS Scale setup

    I was wondering if I can get some help with my TrueNAS setup. I have 256GB memory 20TB x 12 SATA (Raid Z2) via 9300-8e (Supermicro 826BE1C-R609JBOD) 7.68TB x 2 NVMe (Metadata - Mirror) 375GB x 2 Optane (SLOG - Mirror) 1.6TB x 2 NVMe (L2ARC - Stripe) Compression LZ4 ZFS Deduplication On...
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    Inaccessible Drives Behind NVMe Switch (AOC-SLG3-2E4)

    Hello - long time reader, first time poster. I've been looking for a way to add 2x NVMe drives to my Supermicro-based (X10SLL-F) system. This system does not support bifurcation, so after extensive research, I purchased a Supermicro AOC-SLG3-2E4. In addition, I purchased an external NVMe bay...
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    Dell Precision 7920 Ultra Build - A few U.2/SAS/SFF-XXXX cabling questions

    I wish to purchase a Dell Precision 7920 and fill it to the brim with an assortment of expansions, in particular by adding the rear 4x disk caddies and 4-6 M.2 drives. I have the Dell original 4-slot M.2 adapter already, but need some assistance on the whole NVME/U.2 subsystem. My plan is to...
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    HP Elitedesk 800 G4 - keeping it cool

    Hi, I have an HP Elitedesk 800 G4 (also got an G5) with 2 NvMEs (Proxmox ZFS mirror), I've noticed that the NvME sometimes get very hot, and the performance drop. How do other people running these things with 2 NvMEs keep them cool ? Thanks.
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    SAS, SATA, U.2, NVME, MiniSAS, HBA or RAID, OcuLink?? - Lost in Diversity

    So, I think I need to ask you all for some help because being an old-timer from the 2010's and now looking to enhance my storage and disk systems... I am bedazzled by the enormous amount of various options currently available... in such a variety it makes SCSI standards look like a walk in the...
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    EXPIRED 1.92TB PM983 $75

    Not the fastest but very good for the price. Samsung MZ1LB1T9HALS-00007 Pm983 1.92Tb Pci Express 3.0 X4 M.2 Solid State Drive | eBay I bought two and they just arrived with very low hours writes. I did contact the seller prior and he said that all the drives were installed at the same time and...