kvm虚拟机出现启动不了,NOT available,PV大于分区

本文介绍: // 下面不加参数 —sh ri n k 一样会减去空间,所以只需要执行一次就好。上面删减过头了,又加了70G,但是不识别,我重启了一下,重新挂载,可以了。#下面的警告是因为创建的PV在分区2上,但是PV却比分区大,所以报警。这样LV 就能正常使用了,虚拟机也可以开机了。调整分区2,增大分区。…

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root@To w er:/mnt/user/domains/centos7gnome# lv display
WARNING: De vi ce /dev/n bd0p2 ha s size o f 60815360 sect o rs w hi ch i s s mall er than co r r esp o nd in g PV size o f 209713152 sect o rs. Wa s device resize d?
WARNING: One o r more devices used a s PVs in VG centos h ave change d sizes.
— Log ical volume —
LV Pa th /dev/centos/swap
LV Na me swap
VG Name centos
LV UUID PzmI1T-EsXO-EODD-B2gf-1ks2-4D3W-JUURGB
LV Wri te Acce ss read/write
LV Creat ion host, time localhost, 2022-02-19 15:39:45 +0800
LV Sta t us available

LV Size 3.00 GiB
Cur rent LE 768
Segments 1
Allocation in he rit
Read ahead sectors auto

— Logical volume —
LV Path /dev/centos/root
LV Name root
VG Name centos
LV UUID CUedt r–rcMs-kH1t-WnMS-oIy1-j07P-2i3vyI
LV Write Acce ss read/write
LV Creati on h ost, time localhost, 2022-02-19 15:39:45 +0800
LV Status NOT available
LV Size <97.00 GiB
Cur rent LE 24831
Segments 1
Allocation in herit
Read ahead sectors auto

root@Tow er:/mnt/user/domains/centos7gnome# lvchange -a y /dev/centos/root
WARNING: Devi ce /dev/nbd0p2 has size of 60815360 sectors whi ch is small er than correspond ing PV size of 209713152 sectors. Was device resized?
WARNING: One or more devices used as PVs in VG centos have changed sizes.
device–mapper: reload ioctl on (254:1) failed: Invalid argument

命令参考
kvm盘更改大小
qemu-img resize vdisk1.img -10G

 modprobe nbd max_part=8
 modinfo nbd 
 网络挂载
 qemu-nbd --connect=/dev/nbd0 vdisk1.img 
ls /dev/nbd0*

ls blk
nbd0 43:0 0 110G 0 disk
├─nbd0p1 43:1 0 1G 0 part
└─nbd0p2 43:2 0 45.6G 0 part
#下面的警告是因为创建的PV在分区2上,但是PV却比分区大,所以报警
root@ubuntu20:~# lvdisplay
WARNING: Device /dev/nbd0p2 has size of 189307051 sectors whi ch is smaller than corresponding PV size of 220198912 sectors. Was device resized?
WARNING: One or more devices used as PVs in VG centos have changed sizes.
— Logical volume —
LV Path /dev/centos/root
LV Name root
VG Name centos
LV UUID CUedtr-rcMs-kH1t-WnMS-oIy1-j07P-2i3vyI
LV Write Access re ad/write
LV Creation host, time localhost, 2022-02-19 15:39:45 +0800
LV Status NOT available
LV Size <97.00 GiB