Hi @Ashok Somasundaram,
It looks like the most common cause of this issue is that the storage has been remove from the operating system but it still mounted. Can you try check if /dev/sda1 is mounted somewhere and accessible ?
Validate if FSTAB is correct - but I think you will find it refers to disks or devices which are no longer there.
There is another error relating to /mnt/suricata (device = /dev/mapper/nvme-suricata)
mountpoint is either on device which is not properly configured or on mixed supported and unsupported device!!
Anything special about this device? is it in a RAID config? is it some sort of hybrid flash / HDD configuration?