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Oracle Linux: lsblk Reports Error "unknown device name" (Doc ID 2675142.1)

Last updated on OCTOBER 20, 2022

Applies to:

Linux OS - Version Oracle Linux 7.7 with Unbreakable Enterprise Kernel [4.14.35] and later
Linux x86-64

Symptoms

On a server running with UEK5 kernel and configured with Samsung NVMe device lsblk command throws the following error: 

#lsblk
lsblk: nvme0c0n1: unknown device name
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
nvme0n1 259:1 0 745.2G 0 disk
sda 8:0 0 446.6G 0 disk
|-sda2 8:2 0 1G 0 part /boot
...

Cause

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In this Document
Symptoms
Cause
Solution
References


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