Questions tagged [nvme]
The nvme tag has no usage guidance.
114
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Hotswapped NVMe drives show in lspci but not in lsblk
I'm messing around with NVMe hotswap on my Oracle X8-2L. I have a number of NVMe drives that are connected to the server before boot and then a number of NVMe drives that will be connected after the ...
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10
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GRUB2 serial console issues on NVMe-based pc
I want to interact with GRUB through a usb-to-serial converter.
I was able to achieve this on my laptop by using this list of commands in grub's cli:
insmod nativedisk #to not loose drive information ...
- 101
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15
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TB3 NVMe SSD enclosure shows up if connected on boot, but not when hot-plugging
I recently purchased an ACASIS NVMe SSD thunderbolt enclosure (Intel JHL7540 chipset).
Running on a Intel 12th gen framework laptop, the device shows up in fdisk -l and similar when the device is ...
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1
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44
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Installing ArchLinux in VmWare Fusion on M1 Mac
I'm following along in this article to install arch in vmware on my m1 mac
I'm able to do fdisk just fine, and get the following partition table:
I then create the filesystem for partition 2 per the ...
- 103
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147
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Conflict between linux kernel and nvme drives. Faulty power saving mode enabled? ("nvme_core.default_ps_max_latency_us=0 pcie_aspm=off" didn't help)
I have two barely identical servers. Both with:
BIOSTAR GTA690 motherboard
Intel CPU
Same amount of RAM & disk layout
PVE distribution (debian based hypervisor). Kernel 5.19.17-1-pve.
I have ...
- 218
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1
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78
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Swap logical device names of two NVME SSD drives
Is it possible to swap logical device names of two NVME SSD drives installed in a laptop (Lenovo Legion 5 Pro 2022) without phisically swapping their port positions?
I would like the current /dev/...
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117
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Isolating I/O issue with NVME or hardware?
Hardware:
Samsung 980 PRO M.2 NVMe SSD (MZ-V8P2T0BW) (2TB)
Beelink GTR6, with the SSD in the NVMe slot
Since the hardware arrived, I've installed Ubuntu Server on it as well as a bunch of services (...
- 101
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34
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Stuck at shutdown after an ssd upgrade
I have replaced my sata ssd with an nvme one and after I installed the current stable debian 11, it turns out that my laptop doesn't shutdown.
What happens is I can see the systemd output saying that ...
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151
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Ubuntu 22.04 read performance of external USB 3.1 NVMe SSD case only 5gbit/s, but should be 10gbit/s
I got:
Dell XPS 7390 with one shared Thunderbolt 3.0 / USB-C port capable of 10gbit/s
NVMe Samsung SSD 970 EVO 2TB capable of much higher read speed than 10gbit/s
NVMe to USB-C ICY BOX IB-1807MT-C31 ...
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214
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What is the impact of different Linux I/O APIs on performance benchmarking of NVMe SSDs? (libaio vs SPDK vs io_uring)
I am benchmarking NVMe SSDs on my Linux server, with the aim to achieve the IOPS, BW and Latency values as mentioned in the product specifications.
I'm using FIO as workload generator, and used libaio ...
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94
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How to get NVME disk back after deleting all namespace?
I want to change the size of namespace, use the command:
nvme delete-ns XXXXXX -n 1
For some reason, I reboot the computer without create any namespace, after that I can't find the nvme drive.
root@...
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93
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NVMe SSD: Should fs block size be the physical reported sector or the logical one?
So, I have an NVMe drive which reports the following:
NAME ALIGNMENT MIN-IO OPT-IO PHY-SEC LOG-SEC ROTA SCHED RQ-SIZE RA WSAME
nvme0n1 0 131072 131072 32768 4096 0 ...
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189
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Where to place loader.conf on an EFI system partition with the GRUB bootloader?
I'm attempting to alias /dev/nvmeX as /dev/nvdX on bootup through the following guide: https://www.freebsd.org/cgi/man.cgi?query=nvd
I would like to know where the loader.conf file with the following ...
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127
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How would a Linux driver call UEFI firmware presented functionality?
For work I'm learning more about computer architecture and I just finished learning about ACPI. From talking to some other engineers my understanding for something like NVMe is that the OEM is going ...
- 351
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69
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Installing Ubuntu on the NVMe flash drive of the April 2016 MacBook 12" (A1534)
First I must say I'm kind of a newbie with Ubuntu install on macbook, i've tried and succeeded installing it on an old macbook air, but i can't seem to succeed on this Macbook 12''
I've read Accessing ...
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89
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Behavior of the nvme tool with respect to protection information?
Environment: Debian Bullseye, up to date at the time of writing, nvme-cli 1.12
I am totally new to NVMe and currently try to configure an NVMe SSD correctly. As far as I can tell, I don't need ...
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471
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Linux filesystems for code-compilation, which perform best?
For the purpose of compiling code on fast hard drives (NVME for example), is there a clear winner for code compilation or are the popular file systems roughly comparable? (EXT4, XFS, BTRFS, ZFS)?
I'd ...
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275
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what cmdid : 0x10" and "status_field : 0x2002" mean from nvme cli
I want to know about my nvme health:
firstlove@chenli ~> sudo smartctl -A /dev/nvme0n1p3
smartctl 7.3 2022-02-28 r5338 [x86_64-linux-6.0.1-arch2-1] (local build)
Copyright (C) 2002-22, Bruce Allen, ...
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334
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Clonezilla generates disk clone with wrong/unupdated UUIDs
[original question in https://stackoverflow.com/questions/73959107/clonezilla-generates-disk-clone-with-wrong-unupdated-uuids]
I recently used clonezilla (disk-to-disk) - both stable and alternative ...
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203
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MDADM Nvme raid Slower than traditional HDD, need enlightenment
I have setup server about 20 days ago with new nvme, before setup raid mdadm the two Nvme samsung 980 pro 1TB i test bench have IO speed average 1.5G/s each nvme, but after creating raid 1, IO nvme ...
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155
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what is the right way of mounting an ext4 formatted ssd or nvm?
I have mounted 2 external disks like this shown below (in fstab)
UUID=e3831bf2-d85d-459f-8091-4af1d3c6ee41 /mnt/ssd ext4 defaults 0 1
UUID=38cebf19-8cea-40ce-9014-d6f2f9d884ac ...
- 198
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282
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NVME SSD fails to appear after reboot, but OK after power cycle (resume failure)
I have recently upgraded my xubuntu system from version 21.10 to 22.04. The upgrade went smoothly (no obvious errors) but my system now fails to reboot/restart. I have to power cycle it and then it ...
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NVMe errors diagnostics
I would like to understand why I get the below mails about S.M.A.R.T. of my new NVMe drive.
DMESG
$ dmesg --ctime | grep -i nvm
[Mon Aug 8 10:48:31 2022] nvme nvme0: pci function 0000:3d:00.0
[Mon ...
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1
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99
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O_DIRECT access to mmap-ed dmam_alloc_coherent() problems
I'm looking for ideas to get over this hurdle. I have a linux kernel module that takes in high rate data from the PL side of a Xilinx Zynq MPSOC device. The kernel module is based off dma-proxy ...
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189
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why nvme device name is nvme1c1n1, not nvme0n1?
I got this message:
systemd-udevd[3364]: nvme1c1n1: Failed to get device name: No such file or directory
when doing lsblk, there is no nvme1c1n1, only nvme1
I didn't change/create a partition on this ...
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81
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Getting NVMe namespace size as 0 always?
I have sending nvme namespace identify command to get size of device but getting 0 always.
#define IDENTIFY_LEN 0x1000
#define NAMESPACE_ID 1
int main(int argc, char* argv[]){
if(argc < 2){
...
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1
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139
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Sfdisk NVME issue, No such device or address
I have custom LFS installer which contains sfdisk, I am trying to add support for NVME disks on it. When I make partitions with sfdisk on a normal SATA disk, things go as expected but when I do the ...
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264
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Lower NVME performance on Debian
I have a NVME Reletech P400 SSD 512GB installed in my machine and I found out that under Linux (Debian) it performs significantly worse than under Windows.
I used Cross Platform Disk Test. Here it's ...
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113
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Why smartd can't find my nvme device
greentea smartd[1147]: Configuration file /etc/smartd.conf was parsed, found DEVICESCAN, scanning devices
greentea smartd[1147]: Problem creating device name scan list
greentea smartd[1147]: In the ...
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2
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1
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I don't see results of a self test of an SSD in smartctl
I want to test my SSD. It seems that I can start a self test with smartctl, but when I try to display test's results, I don't see anything.
My SDD's model is PNY CS3030 250GB SSD:
$ lsblk -d -o name,...
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951
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Is there a simple way to see which PCI device my NVME is?
I have a U.2 SSD, which shows up as nvme1n1 in lsblk:
root@eris:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
nvme0n1 259:0 0 3.6T 0 disk
├─nvme0n1p1 259:1 0 476M 0 part /...
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Why Disk stats show many read operations when I measure NVME squance write with fio and mmap as ioengine
Here is my fio configure and report:
# cat fio-write.fio
[global]
name=fio-seq-writes
filename=test
rw=write
bs=1M
direct=0
numjobs=1
[file1]
size=1G
ioengine=mmap
iodepth=1
# fio --version
fio-3.30
...
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75
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I’ve overwritten some Windows files with a Linux installation. Is recovery an option?
It’s about a movies' worth of footage and some other related project files, so fairly large. It was on a 1TB NVMe drive that I have installed ElementaryOS on. Was Windows 11 Home. Both 64 bit. Is ...
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302
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udev rules only running on first plug-in but not re-plug?
I'm not sure why udev rules only trigger on first plug-in of a USB3 NVME enclosure but not any follow-up plugins. If i run udevadm trigger then the rules run again as expected. The goal of the rules ...
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NVMe hotswap / hotplug with linux and amd working?
Has someone got nvme hostwap/hotplug working on linux with amd? We use RS500A-E10-RS12U (ASUS) and hotplug / hotswap is not working. If I remove devices it wont disappear in lsblk and If I add devices ...
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linux scsi: Unit Not Ready, Sense Key, Hardware Error
I have attached a USB device which is an enclosure for an NVMe M.2 storage unit. Both devices, the enclosure and the media, had been known to be in working order during their last use.
When I connect ...
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102
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How do I reference nvmeXnYpZ partitions?
I am trying to install NixOS on my MacBook following the manual (https://nixos.org/manual/nixos/stable/index.html#sec-installation-partitioning-formatting) and I am stuck at the partitioning/...
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189
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Running computations from SWAP without complete performance drop - Discussion on NVMe speeds and if they ever come in reach for RAM replacements
I have been setting up my Linux machine (currently pop-os) in several ways recently to upgrade my system to demands of specific data analysis done in R. In brief: The Data set I am working on is ...
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1k
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What caused nvme QID timeout?
Sometimes I see the nvme error logs:
nvme nvme1: I/O 332 QID 1 timeout, aborting
nvme nvme1: Abort status: 0x0
nvme nvme1: I/O 332 QID 1 timeout, reset controller
nvme nvme1: I/O 0 QID 0 timeout, ...
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185
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Switching a M.2 NVMe card from ahci (SATA) driver to nvme driver on Linux
On a very old laptop (HP 9470m), I have a M.2 NVMe card (WD Blue™ SN550 NVMe™ SS) passing through a NVMe -> SATA converter card to connect to the laptop, as the laptop has no NVMe support. With a ...
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697
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fstrim: /: FITRIM ioctl failed: Structure needs cleaning
On my Debian sid with custom 5.17.0-rc1 kernel
installed on my new (< 1 month) SSD nvme WD SN850
my root partition is formatted as f2fs(v 1.14)
I get fstrim: /: FITRIM ioctl failed: Structure needs ...
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1
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3k
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Using GRUB to bootstrap Windows10 from a PCIe NVMe SSD
I have a computer about ten years old, and I would like to install a PCIe M.2 NVMe SSD in it. Unfortunately, the BIOS cannot boot from the SSD, because it doesn't know how to boot from a PCIe SSD. ...
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613
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How to understand the output of the nvme command?
To optimize performance of an SSD, the Arch wiki says to run nvme id-ns /dev/nvme0n1 and evaluate the output, specifically of the last lines starting with lbaf. If there's more than one lbaf entry, ...
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4k
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How to check / change NVME HMB on Linux?
New DRAM-less NVME SSDs use a portion of the system memory as HMB (Host memory buffer).
How can I check / change NVME HMB on Linux?
(to verify it is working correctly or alter its behavior)
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166
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Recovering Data from 2 NVMe SSDs that Were Setup Using LVM
I have two 1TB NVMe SSDs that was setup using LVM in a manner where the two drives were combined to make up (roughly) one single 2TB logical volume.
The laptop that booted from these drives has been ...
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688
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Clonezilla: cannot have overlapping partitions
I am trying to image my Ubuntu disk using Clonezilla and it fails because I get an error saying:
error cannot have overlapping partitions
Below is how my disk is set up and the lsblkoutput:
NAME ...
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0
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736
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Linux-image generates samsung nvme errors
After upgrade from kernel 5.10 to 5.14 and now to 5.15.3. There are errors increased in smart after every boot in Samsung 970 Evo nvme disk (and most likely others Samsung's nvmes) like this one:
...
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65
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A bit of Bash help with my elif logic on my script
So what I have here is part of my script that is used to read the pcie lanes on the boards to help understand what NVMe's are up and running without having to manually check each drive.
This works for ...
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81
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grub2 and duplicated drives issue
My machine is an UEFI enabled ubuntu 20.04, with three partitions:
/dev/nvme0n1p1 boot (grub2+initrd+kernel)
/dev/nvme0n1p2 OS
/dev/nvme0n1p3 home
I'm in a situation, that from time to time I need to ...
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2
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509
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How can I find out what Gen of NVME my machine supports (what PCI express version)?
Looking at Amazon there is PCIe Gen 3 NVME and PCIe Gen 4 NVME for sale. I don't see this even mentioned on the Wikipedia page for NVM Express. Is there a method to query what the system I am on ...
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