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Questions tagged [nvme]

112 questions
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IPXE boot on amd based architecture with NVME

We have a quite big infrastructure and now we started to use AMD based servers instead of the intel ones with 1 nvme only for os. We are using ipxe to kickstart the servers but for some reason with this new amd nvme setup the ipxe fails during the…
Rebron Treborn
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Very slow read/write on software raid1 with nvme device on Ubuntu focal

I have a server with Ubuntu 20.04.1 LTS with NVME ssd devices running on raid1 and the hard drive operates so slow! to open a gzip file to of 500MB to a 3.7GB takes a while.. way more then it should. this is a development server just for me, so even…
ufk
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Do modern NVMes correct and reallocate bad data at the hardware level?

I'm planning on getting an NVMe for use to contain a swapfile to extend the RAM of my Linux system. Yes, I know this is a bad choice due to the finite number of writes an NVMe has in its lifetime, but bear with me. I'm wondering if an NVMe with ECC…
Steve Mucci
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Do I need to replace my NVME SSD?

I have a simple server setup: 2 NVME SSD disks (both SAMSUNG MZVLB1T0HALR-00000 for 1TB) united into RAID0. OS Ubuntu 19.04 Today my system stopped responding. Reboot didn't help. I connected via KVM and noticed these error messages at booting…
Stalinko
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add M.2 NVMe enablement kit to HP DL360gen9

I have a HP DL360gen9 8sff Applications running on the machine are saturating the current disks, all Intel Enterprise SSD disks. I would like to add M.2 NVMe drives but I can't figure out which enablement kit should I buy and install. In the user…
Max Favilli
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nvme queue depth vs fio iodepth arg relation/explanation

This question is related to fio (flexible i/o tester) utility manages I/O queues for a NVME storage (SSD's in particular) whilst using libaio engine. For testing i am using Ubuntu 14.04 and a commercial nvme SSD. I enforce the fio experiment with…
Dexobox
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Servers with 24 NVMe drives - read throughput

We would like to buy some servers and we are looking into DELL server with 24 NVMe drives (like R740xd2 - 2 socket server) since we need very high read IOPS and throughput. We are however wondering what's the maximal throughput we can achieve with…
Marek Milkovič
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Does the HPE ML350 support 970 Pro?

I am going in for an IO intensive application and have though of HPE ML350 for the purpose. I need to know if the NVMe SSDs are supported as boot drivers or not. Also if the drives are supported inherently supported or do I need to have any upgrade…
Utkarsh Narain Srivastava
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SSD NVME RAID0 MDADM

My goal is to obtain good writing performances on SSD NVME Disks (benchmarking tools seem to give performances in specific optimized context but far from what we can obtained in real life) My server: 32x Intel(R) Xeon(R) Silver 4110 CPU @…
akira2x3x
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"Symbol 'grub_efi_secure_boot' not found" after disk replacement on boot (CentOS 7.5, RAID1)

Recently I had to replace a faulty HD at a Centos 7.5 server with RAID1 (2 x Samsung NVMe disks) After disk replacement, server booted using the other drive, I copied the same partitions at the new disk with fsdisk, added partitions to RAID, and…
Kostas Alexandreskos
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Installing 960 Evo NVMe to PowerEdge R730

I'm trying to install Samsung 960 Evo NVMe M.2 SSD to Dell PowerEdge R730 server. When I googled it, I stumbled upon this manual, but it says that I should use a carrier to insert into a disk bay (which is visible outside, no need to open the…
ferit
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Any performance gain from multiple nvme drives in RAID versus a single nvme drive?

We've got a cluster of scylladb hosts (it's a cassandra-type database) running on i3 instances in amazon with the /var/lib/scylla/ folder mounted on a single nvme drive. I'm wondering whether there is any i/o performance gain to be expected by…
Michael Martinez
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clone nvme drive with 4096 sector size to ssd with 512 sector size

I have an nvme drive with a logical and physical sector size of 4096. The block size of this drive as reported by blockdev --getbsz command to be 4096 as well. The destination drive is an SSD with a logical and physical sector size of 512. The block…
user404315
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How to use vhost-scsi with Intel P3700 NVME SSD in KVM

I am using proxmox beta 4 in my HP DL 380 server with KVM. I configured Intel P3700 NVME - nvme0n1 as Virtio and on windows server 2008 r2 with virtio-scsi driver. I am getting 100 K random IOPS when iothread is enabled.it works fine. (the max…
Erhan ŞAHİN
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Streaming records corrupted

I have two Debian servers. On server A, I am producing a video multicast stream, and on server B, I record this stream. The problem is that when I watch the records I see freezing/pixelization, but If I capture the stream directly from server A…
r3nat0m
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