(co je disk zac zjistim lsblk)

 sudo hwinfo --disk <===> useful utility for viewing information about your hardware, particularly storage disks

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fdisk <===> Partition table manipulator for Linux, which supports only MBR (Master Boot Record) partitions
sudo fdisk -l <===> správně identifikovat daného zařízení - vypise vse o discich
hdparam and sdparam <===> Utility for listing and potentially changing ATA/IDE and SCSI disk parameters
mdadm <===> Utility program for creating, managing, and monitoring Linux MD (Software RAID) devices