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List disks and partitions

harmlessFilesystemalle
user@server
lsblk -o NAME,SIZE,TYPE,FSTYPE,MOUNTPOINT,UUID

Lists block devices as a tree: drives, with partitions, LVM volumes and RAID arrays below them. You can see at a glance whether a newly added disk was detected and whether it is already formatted and mounted. The UUID is needed for stable entries in /etc/fstab.

Note: Without root, the UUID column may stay empty on some systems.

Also searched as

  • list disks linux
  • detect new disk on server
  • list partitions
  • get partition uuid for fstab

Related one-liners

All in Filesystem

Find which filesystem a directory is on

$findmnt -T /var/www/vhosts
harmlessFilesystem

Show mounted filesystems with mount options

$findmnt -lo TARGET,SOURCE,FSTYPE,OPTIONS -t ext4,xfs,btrfs,vfat,nfs,nfs4,cifs
harmlessFilesystem

Check the SMART health status of a disk

#smartctl -H /dev/sda
harmlessSystem and hardware

Show details of a software RAID array

#mdadm --detail /dev/md0
harmlessSystem and hardware

Show SMART attributes of a disk

#smartctl -A /dev/sda
harmlessSystem and hardware

Show software RAID (mdadm) status

$cat /proc/mdstat
harmlessSystem and hardware

Read first, then run.

The commands on myline.de act directly on servers, files and databases. A wrong path or placeholder can delete data irreversibly or make a server unreachable.

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  • Understand what a command does before running it, and check every placeholder.
  • Make a backup first and, if possible, try it on a test system.
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