Vsphere vcenter 虚拟机启动失败，挂载磁盘迁移数据--数据拷贝方案

Vsphere vcenter环境 6.5

环境异常关闭后，启动一虚拟机发现报错

 

 进入修复阶段

1 进入单用户模式，执行命令--不行

 

 2 进入紧急模式--不行

 

 

 

3 光盘修复--不行

 

 

 

 

 

 4 --数据拷贝

vmware 启动、修复失败，数据拷贝方案
1 卸载原有虚拟机的硬盘，记住存储的位置
2 创建新的虚拟机，添加现有的硬盘2
3 启动新的虚拟机，并挂载原因的硬盘2

[root@localhost ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 50G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 49G 0 part
├─centos00-root 253:0 0 44G 0 lvm /
└─centos00-swap 253:1 0 5G 0 lvm [SWAP]
sdb 8:16 0 100G 0 disk
├─sdb1 8:17 0 1G 0 part
└─sdb2 8:18 0 99G 0 part
sr0 11:0 1 1024M 0 rom
[root@localhost ~]# df -Th
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/centos00-root xfs 44G 1.3G 43G 3% /
devtmpfs devtmpfs 3.9G 0 3.9G 0% /dev
tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs tmpfs 3.9G 9.0M 3.9G 1% /run
tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/sda1 xfs 1014M 148M 867M 15% /boot
tmpfs tmpfs 783M 0 783M 0% /run/user/0
[root@localhost ~]# mkdir /olddata
[root@localhost ~]# mount /dev/sdb2 /olddata/
mount: unknown filesystem type 'LVM2_member'
[root@localhost ~]# pvs
PV VG Fmt Attr PSize PFree
/dev/sda2 centos00 lvm2 a-- <49.00g 0
/dev/sdb2 centos lvm2 a-- <99.00g 4.00m
[root@localhost ~]# vgs
VG #PV #LV #SN Attr VSize VFree
centos 1 3 0 wz--n- <99.00g 4.00m
centos00 1 2 0 wz--n- <49.00g 0
[root@localhost ~]# lvdisplay
--- Logical volume ---
LV Path /dev/centos00/swap
LV Name swap
VG Name centos00
LV UUID RtTbc9-90DU-he1U-Ozuv-HeeX-E7bh-eYjSuA
LV Write Access read/write
LV Creation host, time localhost.localdomain, 2023-03-16 04:38:22 -0400
LV Status available
# open 2
LV Size 5.00 GiB
Current LE 1280
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:1

--- Logical volume ---
LV Path /dev/centos00/root
LV Name root
VG Name centos00
LV UUID M0BW0v-hl1h-4WMW-PzW6-1Hkc-yTCo-ggm1D0
LV Write Access read/write
LV Creation host, time localhost.localdomain, 2023-03-16 04:38:22 -0400
LV Status available
# open 1
LV Size <44.00 GiB
Current LE 11263
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:0

--- Logical volume ---
LV Path /dev/centos/swap
LV Name swap
VG Name centos
LV UUID p3ZwnD-rp4W-nq2S-qYoL-eOBf-PSwJ-hCxhHd
LV Write Access read/write
LV Creation host, time localhost, 2022-02-09 20:32:12 -0500
LV Status NOT available
LV Size <7.88 GiB
Current LE 2016
Segments 1
Allocation inherit
Read ahead sectors auto

--- Logical volume ---
LV Path /dev/centos/home
LV Name home
VG Name centos
LV UUID hI3bJH-1AFw-BTQ7-b8x8-Www3-tRMu-d6pIxM
LV Write Access read/write
LV Creation host, time localhost, 2022-02-09 20:32:13 -0500
LV Status NOT available
LV Size <41.12 GiB
Current LE 10526
Segments 1
Allocation inherit
Read ahead sectors auto

--- Logical volume ---
LV Path /dev/centos/root
LV Name root
VG Name centos
LV UUID TeD01q-dnKZ-RcN2-ww3Y-yFIR-hNma-plMOEt
LV Write Access read/write
LV Creation host, time localhost, 2022-02-09 20:32:14 -0500
LV Status NOT available >>不可用
LV Size 50.00 GiB
Current LE 12800
Segments 1
Allocation inherit
Read ahead sectors auto
[root@localhost ~]# vgchange -ay /dev/centos
3 logical volume(s) in volume group "centos" now active
[root@localhost ~]# mount /dev/sdb2 /olddata/
mount: unknown filesystem type 'LVM2_member'
[root@localhost ~]# mount /dev/centos/root /olddata/
[root@localhost olddata]# mkdir /oldhome
[root@localhost olddata]# mount /dev/centos/home /oldhome/
[root@localhost olddata]# ll /oldhome/
total 0
[root@localhost ~]# df -Th
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/centos00-root xfs 44G 1.3G 43G 3% /
devtmpfs devtmpfs 3.9G 0 3.9G 0% /dev
tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs tmpfs 3.9G 9.0M 3.9G 1% /run
tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/sda1 xfs 1014M 148M 867M 15% /boot
tmpfs tmpfs 783M 0 783M 0% /run/user/0
/dev/mapper/centos-root xfs 50G 14G 37G 27% /olddata
/dev/mapper/centos-home xfs 42G 65M 42G 1% /oldhome

 

数据正式挂载成功，后期可以最大的还原数据