This post is divided into three parts.
- Default command and default output of lsbkl linux command
- Options for lsblk Linux command
- Available columns for output of lsblk Linux command
Default command and Default out put of lsblk linux command:
- [appsdba@reyaz Desktop]$ lsblk
 |
| Default output of lsblk |
Options for lsblk Linux command:
Options:
-a, --all print
all devices
-b, --bytes print
SIZE in bytes rather than in human readable format
-d, --nodeps don't print slaves or holders
-D, --discard print discard capabilities
-e, --exclude <list>
exclude devices by major number (default: RAM disks)
-I, --include
<list> show only
devices with specified major numbers
-f, --fs output info about filesystems
-h, --help usage information (this)
-i, --ascii use ascii characters only
-m, --perms output info about permissions
-l, --list use
list format output
-n, --noheadings don't print headings
-o, --output <list> output
columns
-p, --paths print
complate device path
-P, --pairs use key="value"
output format
-r, --raw use raw output format
-s, --inverse inverse
dependencies
-t, --topology output
info about topology
-S, --scsi output
info about SCSI devices
-h, --help display
this help and exit
-V, --version output
version information and exit
Available columns for output of lsblk Linux command:
| NAME | device name |
| KNAME | internal kernel device name |
| MAJ:MIN | major:minor device number |
| FSTYPE | filesystem type |
| MOUNTPOINT | where the device is mounted |
| LABEL | filesystem LABEL |
| UUID | filesystem UUID |
| PARTLABEL | partition LABEL |
| PARTUUID | partition UUID |
| RA | read-ahead of the device |
| RO | read-only device |
| RM | removable device |
| MODEL | device identifier |
| SERIAL | disk serial number |
| SIZE | size of the device |
| STATE | state of the device |
| OWNER | user name |
| GROUP | group name |
| MODE | device node permissions |
| ALIGNMENT | alignment offset |
| MIN-IO | minimum I/O size |
| OPT-IO | optimal I/O size |
| PHY-SEC | physical sector size |
| LOG-SEC | logical sector size |
| ROTA | rotational device |
| SCHED | I/O scheduler name |
| RQ-SIZE | request queue size |
| TYPE | device type |
| DISC-ALN | discard alignment offset |
| DISC-GRAN | discard granularity |
| DISC-MAX | discard max bytes |
| DISC-ZERO | discard zeroes data |
| WSAME | write same max bytes |
| WWN | unique storage identifier |
| RAND | adds randomness |
| PKNAME | internal parent kernel device name |
| HCTL | Host:Channel:Target:Lun for SCSI |
| TRAN | device transport type |
| REV | device revision |
| VENDOR | device vendor |
For more details use lsblk -help
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