Lsblk
lsblk
[1], included in util-linux package, list block devices including Hard disk drive and SDD devices.
lsblk -S NAME HCTL TYPE VENDOR MODEL REV TRAN sda 0:0:0:0 disk ATA CT210MX501SSD4 023 sata sdb 1:0:0:0 disk ATA WDC WDS100T2B0A- 90WD sata sdc 3:0:0:0 disk ATA WDC WDS100T2B0A- 90WD sata sdd 6:0:0:0 disk WD My Book 15xE 4004 usb lsblk -S NAME HCTL TYPE VENDOR MODEL REV TRAN sdb 2:1:0:0 disk HPE LOGICAL VOLUME 1.66 sas sdc 2:1:0:1 disk HPE LOGICAL VOLUME 1.66 sas sdd 1:0:0:0 disk NETAPP LUN C-Mode 9600 fc sde 1:0:0:1 disk NETAPP LUN C-Mode 9600 fc -S, --scsi Output info about SCSI devices only
$ lsblk -io KNAME,TYPE,SIZE,MODEL KNAME TYPE SIZE MODEL sda disk 149.1G TOSHIBA MK1637GS sda1 part 23.3G sda2 part 28G sda3 part 93.6G sda4 part 4.3G sr0 rom 1024M CD/DVDW TS-L632M dm-5 mpath 6T dm-5 mpath 6T dm-5 mpath 6T dm-5 mpath 6T dm-7 lvm 6T dm-7 lvm 6T dm-7 lvm 6T dm-7 lvm 6T -i, --ascii, use ASCII characters for tree formatting -o, --output, columns to print
lsblk -io KNAME,TYPE,SIZE,MODEL,UUID
$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT loop0 7:0 0 208M 0 loop loop1 7:1 0 456M 0 loop /mnt/rh sr0 11:0 1 1024M 0 rom sda 8:0 0 60G 0 disk |-sda1 8:1 0 512M 0 part /boot `-sda2 8:2 0 59.5G 0 part |-os_vg-root_lv (dm-0) 253:0 0 16G 0 lvm / |-os_vg-swap_01_lv (dm-1) 253:1 0 4G 0 lvm [SWAP] |-os_vg-tmp_lv (dm-4) 253:4 0 2G 0 lvm /tmp |-os_vg-var_lv (dm-5) 253:5 0 10G 0 lvm /var |-os_vg-hpds_lv (dm-6) 253:6 0 6G 0 lvm /var/opt/perf/datafiles `-os_vg-kickstart_lv (dm-7) 253:7 0 4G 0 lvm /kickstart sdd 8:48 0 2G 0 disk sdb 8:16 0 32G 0 disk `-xfer_vg-lvol1 (dm-3) 253:3 0 32G 0 lvm /xfer sdc 8:32 0 24G 0 disk `-kdump_vg-kdump_lv (dm-2) 253:2 0 24G 0 lvm sde 8:64 0 3G 0 disk
Includes MAJ:MIN
information to match to sar -d
.
Activitites
- Read Linux
lsblk
Command Tutorial for Beginners: https://www.howtoforge.com/linux-lsblk-command/ - Use rescan-scsi-bus.sh --remove to remove unused devices
Related commands
See also
- Block devices:
blkid
(UUID),lshw -class disk
,hwinfo --disk
,udevadm
,rescan-scsi-bus.sh
,LUN
,hdparm
,findfs
, Add a new disk lsblk
,pvscan
lspci
,lsscsi
,smartctl
,fdisk
,parted
,Kpartx
,pvdiplay
,pvs
,udisksctl
,/dev/sd, nvme list
- Fibre Channel: HBA,
multipath-tools
,multipath
,multipath -ll
,/etc/multipath.conf
multipathd
rescan-scsi-bus.sh
powermt
Device mapper
dmsetup ls
, lslocks
- Block devices: HDD, SSD, Intel Optane, block size
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