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{{lc}}
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<code>lsblk</code><ref>http://man7.org/linux/man-pages/man8/lsblk.8.html</ref>, included in [[w:util-linux|util-linux]] package, list block devices including [[Hard disk drive]] and [[SDD]] devices.
<code>lsblk</code><ref>http://man7.org/linux/man-pages/man8/lsblk.8.html</ref>, included in <code>[[util-linux]]</code> package, list block devices including [[Hard disk drive]] and [[SDD]] devices.
 
  
 
<pre>
 
<pre>
lsblk
+
lsblk -S
NAME   MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
+
NAME HCTL      TYPE VENDOR  MODEL            REV TRAN
sda       8:0   0    5G 0 disk
+
sda 0:0:0:0    disk ATA      CT210MX501SSD4  023  sata
├─sda1    8:1    0 4.9G  0 part /
+
sdb 1:0:0:0    disk ATA      WDC WDS100T2B0A- 90WD sata
├─sda14  8:14  0    4M 0 part
+
sdc  3:0:0:0    disk ATA      WDC WDS100T2B0A- 90WD sata
└─sda15  8:15  0  106M  0 part /boot/efi
+
sdd 6:0:0:0    disk WD      My Book 15xE    4004 usb
sr0      11:0    1  52K  0 from
 
</pre>
 
  
lsblk
+
lsblk -S
NAME         MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
+
NAME HCTL      TYPE VENDOR  MODEL            REV TRAN
  nvme0n1      259:0    0  200G 0 disk
+
sdb 2:1:0:0    disk HPE      LOGICAL VOLUME  1.66 sas
  ├─nvme0n1p1  259:2    0 200G  0 part /
+
sdc 2:1:0:1    disk HPE      LOGICAL VOLUME  1.66 sas
  └─nvme0n1p128 259:3    0   1M  0 part
+
sdd 1:0:0:0   disk NETAPP  LUN C-Mode      9600 fc
nvme1n1      259:1    0  500G  0 disk /mnt/ext
+
sde 1:0:0:1    disk NETAPP  LUN C-Mode      9600 fc
  
 
+
-S, --scsi Output info about SCSI devices only
<pre>
 
$ 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
 
 
</pre>
 
</pre>
Includes <code>MAJ:MIN</code> information to match to <code>[[linux server administration/sar|sar]] -d</code>.
 
  
 
 
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
 
</pre>
 
  
  
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dm-7  lvm      6T     
 
dm-7  lvm      6T     
  
-i, --ascii, use ASCII characters for tree formatting      
+
-i, --ascii, use ASCII characters for tree formatting            
-o, --output, columns to print     
 
 
</pre>
 
</pre>
  
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<code>lsblk -io KNAME,TYPE,SIZE,MODEL,[[UUID]]</code>
 
<code>lsblk -io KNAME,TYPE,SIZE,MODEL,[[UUID]]</code>
 
lsblk -o NAME,[[ROTA]]
 
  
 
<pre>
 
<pre>
lsblk
+
$ lsblk
NAME         MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
+
NAME                         MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda             8:0    1  14.9G 0 disk
+
loop0                          7:0    0  208M  0 loop
└─sda1          8:1    1 14.9G 0 part
+
loop1                          7:1    0  456M  0 loop /mnt/rh
nvme0n1      259:0    0 465.8G 0 disk
+
sr0                            11:0    1 1024M  0 rom
├─nvme0n1p1   259:1    0     1M 0 part
+
sda                             8:0    0  60G 0 disk
├─nvme0n1p2   259:2   0   244M 0 part /boot/efi
+
|-sda1                          8:1    0  512M 0 part /boot
├─nvme0n1p3   259:3   0  488M 0 part /boot
+
`-sda2                          8:2    0 59.5G 0 part
└─nvme0n1p4   259:4   0   465G 0 part
+
  |-os_vg-root_lv (dm-0)      253:0    0   16G 0 lvm  /
   ├─main-root 253:0    0  11.2G  0 lvm /
+
   |-os_vg-swap_01_lv (dm-1)  253:1    0   4G 0 lvm  [SWAP]
  ├─main-swap 253:1   0  1.9G 0 lvm  [SWAP]
+
   |-os_vg-tmp_lv (dm-4)      253:4   0   2G 0 lvm  /tmp
   └─main-srv  253:2    0  452G 0 lvm  /srv
+
   |-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
 
</pre>
 
</pre>
 +
Includes <code>MAJ:MIN</code> information to match to <code>[[linux server administration/sar|sar]] -d</code>.
  
 
== Activitites ==
 
== Activitites ==
 
# Read Linux <code>lsblk</code> Command Tutorial for Beginners: https://www.howtoforge.com/linux-lsblk-command/
 
# Read Linux <code>lsblk</code> Command Tutorial for Beginners: https://www.howtoforge.com/linux-lsblk-command/
 
# Use [[rescan-scsi-bus.sh --remove]] to remove unused devices
 
# Use [[rescan-scsi-bus.sh --remove]] to remove unused devices
 
 
== Related commands ==
 
* <code>[[wipefs]]</code>
 
* <code>[[blkid]]</code>
 
* <code>[[ssacli ctrl all show config]]</code>
 
* <code>[[mkfs]]</code>
 
* [[swap]]
 
  
 
== See also ==
 
== See also ==
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* {{Linux Fibre Channel}}
 
* {{Linux Fibre Channel}}
 
* <code>[[lslocks]]</code>
 
* <code>[[lslocks]]</code>
* {{Block device hardware}}
 
  
 
[[Category:Linux]]
 
[[Category:Linux]]

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