Unable to see UUID/label using blkid and lsblk commands

Solution Verified - Updated -

Issue

  • Unable to see UUID/label using blkid and lsblk --fs
  • Command shows no output. For example, /dev/sdd is known to contain a filesystem, but when using the blkid or lsblk --fs commands as shown or when passing the device name to the blkid command, no output is given for the device.
[root@localhost ~]# blkid
/dev/sda1: UUID="1d388f9d-13c5-46c5-8596-3dddaa5311fd" TYPE="xfs" 
/dev/sda2: UUID="Mb2UbN-431B-L4qv-bES3-zPPr-YX11-1HLhvc" TYPE="LVM2_member" 
/dev/sdb: UUID="201c080c-2916-42f1-8e35-0e62fb43a692" TYPE="xfs" 
/dev/mapper/rhel-swap: UUID="253c0a80-8653-4b9d-8ba1-8802a971796b" TYPE="swap" 
/dev/sde: UUID="2836381a-4894-42c8-9d1d-0d6cea8fe1f7" TYPE="xfs" 
/dev/mapper/rhel-root: UUID="c716fc3e-d977-452f-9507-21a2181b0304" TYPE="xfs" 

[root@localhost ~]# blkid /dev/sdd
[root@localhost ~]# 

[root@localhost ~]# lsblk --fs /dev/sdd
NAME FSTYPE LABEL UUID MOUNTPOINT
sdd        

Environment

  • Red Hat Enterprise Linux 7

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