现象：系统内插有2块带系统的硬盘，格式化没有在用的系统盘提示Device or resource busy
root@ubuntu:/home/ubuntu# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
loop0 7:0 0 61.9M 1 loop /snap/core20/1405
loop1 7:1 0 79.9M 1 loop /snap/lxd/22923
loop2 7:2 0 44.7M 1 loop /snap/snapd/15534
nvme0n1 259:0 0 3.5T 0 disk
nvme1n1 259:1 0 3.5T 0 disk
nvme2n1 259:2 0 3.5T 0 disk
├─nvme2n1p1 259:3 0 1G 0 part
├─nvme2n1p2 259:4 0 2G 0 part
└─nvme2n1p3 259:5 0 3.5T 0 part└─ubuntu--vg-ubuntu--lv 253:1 0 100G 0 lvm
nvme3n1 259:6 0 3.5T 0 disk
├─nvme3n1p1 259:7 0 1G 0 part /boot/efi
├─nvme3n1p2 259:8 0 2G 0 part /boot
└─nvme3n1p3 259:9 0 3.5T 0 part└─ubuntu--vg--1-ubuntu--lv 253:0 0 100G 0 lvm /root@ubuntu:~# mkfs.xfs /dev/nvme2n1
mkfs.xfs: cannot open /dev/nvme2n1: Device or resource busyroot@ubuntu:~# dmsetup lsubuntu--vg--1-ubuntu--lv (253:0)
ubuntu--vg-ubuntu--lv (253:1)
root@ubuntu:~# dmsetup ls
ubuntu--vg--1-ubuntu--lv (253:0)
ubuntu--vg-ubuntu--lv (253:1)root@ubuntu:~# dmsetup remove ubuntu--vg-ubuntu--lvroot@ubuntu:~# lvchange -an /dev/ubuntu-vg/ubuntu-lv
root@ubuntu:~# vgchange -an /dev/ubuntu-vg0 logical volume(s) in volume group "ubuntu-vg" now activeroot@ubuntu:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
loop0 7:0 0 61.9M 1 loop /snap/core20/1405
loop1 7:1 0 79.9M 1 loop /snap/lxd/22923
loop2 7:2 0 44.7M 1 loop /snap/snapd/15534
nvme0n1 259:0 0 3.5T 0 disk
nvme1n1 259:1 0 3.5T 0 disk
nvme2n1 259:2 0 3.5T 0 disk
├─nvme2n1p1 259:10 0 1G 0 part
├─nvme2n1p2 259:11 0 2G 0 part
└─nvme2n1p3 259:12 0 3.5T 0 part
nvme3n1 259:6 0 3.5T 0 disk
├─nvme3n1p1 259:7 0 1G 0 part /boot/efi
├─nvme3n1p2 259:8 0 2G 0 part /boot
└─nvme3n1p3 259:9 0 3.5T 0 part└─ubuntu--vg--1-ubuntu--lv 253:0 0 100G 0 lvm /root@ubuntu:~# mkfs.xfs /dev/nvme2n1 -f
mkfs.xfs: cannot open /dev/nvme2n1: Device or resource busyroot@ubuntu:~# dmsetup remove /dev/mapper/ubuntu--vg-ubuntu--lvroot@ubuntu:~# mkfs.xfs /dev/nvme2n1 -f
meta-data=/dev/nvme2n1 isize=512 agcount=32, agsize=29302656 blks= sectsz=4096 attr=2, projid32bit=1= crc=1 finobt=1, sparse=1, rmapbt=0= reflink=1 bigtime=0 inobtcount=0
data = bsize=4096 blocks=937684566, imaxpct=5= sunit=32 swidth=32 blks
naming =version 2 bsize=4096 ascii-ci=0, ftype=1
log =internal log bsize=4096 blocks=457853, version=2= sectsz=4096 sunit=1 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
Discarding blocks...Done.root@ubuntu:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
loop0 7:0 0 61.9M 1 loop /snap/core20/1405
loop1 7:1 0 79.9M 1 loop /snap/lxd/22923
loop2 7:2 0 44.7M 1 loop /snap/snapd/15534
nvme0n1 259:0 0 3.5T 0 disk
nvme1n1 259:1 0 3.5T 0 disk
nvme2n1 259:2 0 3.5T 0 disk
nvme3n1 259:6 0 3.5T 0 disk
├─nvme3n1p1 259:7 0 1G 0 part /boot/efi
├─nvme3n1p2 259:8 0 2G 0 part /boot
└─nvme3n1p3 259:9 0 3.5T 0 part└─ubuntu--vg--1-ubuntu--lv 253:0 0 100G 0 lvm /
