最後更新: 2019-11-04
目錄
lsblk
# Centos Package: util-linux-ng
# Produces information about all block devices, such as hard disks, DVD readers and more.
lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 931.5G 0 disk └─sda1 8:1 0 931.5G 0 part sdb 8:16 0 232.9G 0 disk ├─sdb1 8:17 0 18.6G 0 part /ssd/xpenology └─sdb3 8:19 0 65.2G 0 part /ssd/admin sdc 8:32 0 931.5G 0 disk ├─sdc1 8:33 0 94M 0 part /boot ├─sdc2 8:34 0 11.2G 0 part / ├─sdc3 8:35 0 793.3G 0 part │ ├─myvg-kvm (dm-0) 252:0 0 400G 0 lvm /kvm │ ├─myvg-nginx (dm-1) 252:1 0 10G 0 lvm │ ├─myvg-data (dm-2) 252:2 0 20G 0 lvm ..........
Other OPTS:
-f, --fs # equivalent to "-o NAME,FSTYPE,LABEL,MOUNTPOINT"
NAME FSTYPE LABEL UUID MOUNTPOINT sda ├─sda1 vfat 5FED-8B1E /boot/efi ├─sda2 xfs 10b62f98-51fc-4f7d-a752-301b1dabd55f /boot ...
-t, --topology # equivalent to "-o NAME,ALIGNMENT,MIN-IO,OPT-IO,PHY-SEC,LOG-SEC,ROTA,SCHED,RQ-SIZE,RA,WSAME"
NAME ALIGNMENT MIN-IO OPT-IO PHY-SEC LOG-SEC ROTA SCHED RQ-SIZE RA WSAME sda 0 4096 0 4096 512 0 deadline 128 128 0B ├─sda1 0 4096 0 4096 512 0 deadline 128 128 0B ....
快速找出 removable disk
# RM which devices are removable
# -d, --nodeps Do not print holder devices or slaves.
# -o, --output columns-list
lsblk -d -o NAME,TRAN,RM
NAME TRAN RM sdd sata 0 sdb sata 1 zram1 0 loop0 0 sdc sata 0 sda sata 0 zram0 0
lsscsi
# Uses information in sysfs (Linux kernel series 2.6 and later) to list SCSI devices (or hosts) currently attached to the system.
[1:0:0:0] disk ATA WDC WD10EAVS-00D 01.0 /dev/sda [2:0:0:0] disk ATA Samsung SSD 850 EMT0 /dev/sdb [3:0:0:0] disk ATA WDC WD10EZEX-08R 80.0 /dev/sdc [10:0:0:0] disk ASMT 2105 0 /dev/sdd
# List the SCSI hosts currently attached to the system.
lsscsi -H
[0] ahci [1] ahci [2] ahci [3] ahci [10] usb-storage
# <attribute_name>=<value> pairs
lsscsi -L
[1:0:0:0] disk ATA WDC WD10EAVS-00D 01.0 /dev/sda device_blocked=0 iocounterbits=32 iodone_cnt=0xfc84c2 ioerr_cnt=0x2 iorequest_cnt=0xfc86d6 queue_depth=31 queue_type=simple scsi_level=6 state=running timeout=30 type=0
Useful opts
- -d # SCSI device name, the device node major and minor (/dev/sda [8:0])
[0:2:0:0] disk LSI RAID 5/6 SAS 6G 2.13 /dev/sdd [8:48]
- -s # size
[0:2:0:0] disk LSI RAID 5/6 SAS 6G 2.13 /dev/sdd 6.00TB