硬盤操作常用命令

lsblk

[root@ceph1 openssl-OpenSSL_1_1_1a]# lsblk

NAME???????? MAJ:MIN RM??? SIZE RO TYPE MOUNTPOINT

sdb??????????? 8:16?? 0??? 3.7T? 0 disk

|-sdb4???????? 8:20?? 0???? 30G? 0 part

|-sdb2???????? 8:18?? 0???? 10G? 0 part

|-sdb7???????? 8:23?? 0? 130.4G? 0 part

|-sdb5???????? 8:21?? 0???? 30G? 0 part

|-sdb3???????? 8:19?? 0???? 30G? 0 part

|-sdb1???????? 8:17?? 0???? 10G? 0 part

`-sdb6???????? 8:22?? 0? 558.8G? 0 part /sdb6

loop0????????? 7:0??? 0??? 6.9G? 0 loop /mnt

sda??????????? 8:0??? 0??? 3.7T? 0 disk

|-sda4???????? 8:4??? 0 1007.5K? 0 part

|-sda2???????? 8:2??? 0????? 1G? 0 part /boot

|-sda3???????? 8:3??? 0??? 3.7T? 0 part

| |-cla-swap 253:1??? 0????? 4G? 0 lvm? [SWAP]

| |-cla-home 253:2??? 0??? 3.6T? 0 lvm? /home

| `-cla-root 253:0??? 0???? 50G? 0 lvm? /

`-sda1???????? 8:1??? 0??? 200M? 0 part /boot/efi

dmsetup

[root@ceph1 openssl-OpenSSL_1_1_1a]# dmsetup ls

cla-home??????? (253:2)

cla-swap??????? (253:1)

cla-root??????? (253:0)

lvm

[root@ceph1 openssl-OpenSSL_1_1_1a]# pvs

PV???????? VG? Fmt? Attr PSize? PFree

/dev/sda3? cla lvm2 a--? <3.64t??? 0

[root@ceph1 openssl-OpenSSL_1_1_1a]# vgs

VG? #PV #LV #SN Attr?? VSize? VFree

cla?? 1?? 3?? 0 wz--n- <3.64t??? 0

[root@ceph1 openssl-OpenSSL_1_1_1a]# lvs

LV?? VG? Attr?????? LSize? Pool Origin Data%? Meta%? Move Log Cpy%Sync Convert

home cla -wi-ao----? 3.58t

root cla -wi-ao---- 50.00g

swap cla -wi-ao----? 4.00g

uuidgen

[root@ceph1 openssl-OpenSSL_1_1_1a]# uuidgen

e72e3bbf-d00f-4d00-97fd-1ea642f19601

blkid

[root@ceph1 openssl-OpenSSL_1_1_1a]# blkid -o list

device????????????????????????????????????????????? fs_type???????? label??????????? mount point???????????????????????????????????????????? UUID

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/dev/mapper/cla-root???????????????????????????????? xfs????????????????????????????? /??????????????????????????????????????????????????????? a2a52403-13cf-4d72-9aaf-0f40904e1e93

/dev/sda3??????????????????????????????????????????? LVM2_member????????????????????? (in use)???????????????????????????????????????????????? G2VCKX-p2AV-4qhm-iTQx-CkMb-VlQw-qjEBDR

/dev/sda1??????????????????????????????????????????? vfat???????????????????????????? /boot/efi??????????????????????????????????????????????? DF98-EE86

/dev/sda2??????????????????????????????????????????? xfs????????????????????????????? /boot??????????????????????????????????????????????????? 7ad1997d-2ba9-464b-8586-b3430a010396

/dev/sdb1??????????????????????????????????????????? xfs????????????????????????????? (not mounted)??????????????????????????????????????????? 1d1e3dab-e2fe-433d-a7f5-7fc1bd756f22

/dev/sdb2??????????????????????????????????????????? xfs????????????????????????????? (not mounted)??????????????????????????????????????????? eb0de806-8662-466c-9653-ea3be5bd22fb

/dev/sdb3??????????????????????????????????????????? xfs????????????????????????????? (not mounted)??????????????????????????????????????????? 7d9c1d46-c213-467c-8429-5e2c4a8ba63e

/dev/sdb4??????????????????????????????????????????? xfs????????????????????????????? (not mounted)??????????????????????????????????????????? 62131617-5d1a-4b66-a7b4-738391d236bd

/dev/sdb5??????????????????????????????????????????? xfs????????????????????????????? (not mounted)??????????????????????????????????????????? 711e3c21-059b-4468-b87c-18c98cbab551

/dev/sdb6??????????????????????????????????????????? xfs????????????????????????????? /sdb6??????????????????????????????????????????????????? 52185ac6-8934-458d-8950-462c2b5bd858

/dev/mapper/cla-swap???????????????????????????????? swap???????????????????????????? ?????????????????????????????????????????????????? 960c2154-ef85-4b93-85e4-a5f55451cd89

/dev/mapper/cla-home???????????????????????????????? xfs????????????????????????????? /home??????????????????????????????????????????????????? 316d173f-05f3-4440-aca2-cf95f70f2845

/dev/loop0?????????????????????????????????????????? iso9660???????? CentOS 7 aarch64 /mnt???????????????????????????????????????????????????? 2017-09-10-13-10-43-00

/dev/sda4???????????????????????????????????????????????????????????????????????????? (not mounted)

/dev/sdb7???????????????????????????????????????????????????????????????????????????? (not mounted)

其他

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