lvm device not found in /dev/mapper

lvm device is missing. lvm Volume status is not available. Missing Volume.

If you are not able to find your logical volume (lvm device), check the status of the device or volume.
Run command
lvdisplay
If LV status is Not Available, it will not be listed in /dev/mapper or your lvm device directory.
Make the status available, Run command
vgchange -a y
It makes status available of all volumes.

Now the device will be visible in /dev/mapper or your lvm device directory.
Mount the device using
mount -t ext4 /path/of/the/lvm/device /path/of/mounted/location
Suppose I want to mount vg-lv_home in /home, I run
mount -t ext4 /dev/mapper/vg-lv_home /home
Now I can see all my files of the volume in /home

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