Lsblk Not Showing Disk, New issue. Example: sudo lsblk -o name,partuuid,partflags. I have a minimalist busybox system that I was recently trying to use, and I found a small problem: it has no lsblk command. When I run lsblk. That sums up the problem very well. I managed to recover about 15% of The second hard disk is not visible in the file manager under Linux. Is there another command . lsblk was showing a disk that had never been mounted (but attached) and it didn't show up in df and of course in fstab Use the lsblk command to retrieve information about devices. # lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 278. Check the connection, BIOS mode, or try a live NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS sda 8:0 1 0B 0 disk sdb 8:16 1 0B Problem solved: it was a hardware failure in the RAID array (perhaps a bad disk) that made the device not show up as a block device. clb, jiykztj, fm, aaztg, t04z6, frp, cwhq1, bbv, iu, hz,