你好，我到处寻找这个案例。
我有一台带有 3 个磁盘的 PC，其中一个主磁盘上的操作系统已完全损坏，另外几个磁盘上带有 LVM
如果我将其安装在 Linux 下，我可以执行以下操作：
sudo su
root@mint:/home/mint# lvmdiskscan
WARNING: Metadata location on /dev/sdb at 5632 begins with invalid VG name.
WARNING: bad metadata text on /dev/sdb in mda1
WARNING: scanning /dev/sdb mda1 failed to read metadata summary.
WARNING: repair VG metadata on /dev/sdb with vgck --updatemetadata.
WARNING: scan failed to get metadata summary from /dev/sdb PVID 2rZsV6hciOdRX2QpNLUUEU4oQS020ulF
WARNING: Metadata location on /dev/sdc at 5632 begins with invalid VG name.
WARNING: bad metadata text on /dev/sdc in mda1
WARNING: scanning /dev/sdc mda1 failed to read metadata summary.
WARNING: repair VG metadata on /dev/sdc with vgck --updatemetadata.
WARNING: scan failed to get metadata summary from /dev/sdc PVID 1FFrM1IBhHtzXzqOKaSPpwCaWzMfPBoe
/dev/loop0 [ <1.90 GiB]
/dev/sda [ 20.00 GiB]
/dev/sdb [ 100.00 GiB] LVM physical volume
/dev/sdc [ 100.00 GiB] LVM physical volume
1 disk
1 partition
2 LVM physical volume whole disks
0 LVM physical volumes
root@mint:/home/mint# lvs
WARNING: Metadata location on /dev/sdb at 5632 begins with invalid VG name.
WARNING: bad metadata text on /dev/sdb in mda1
WARNING: scanning /dev/sdb mda1 failed to read metadata summary.
WARNING: repair VG metadata on /dev/sdb with vgck --updatemetadata.
WARNING: scan failed to get metadata summary from /dev/sdb PVID 2rZsV6hciOdRX2QpNLUUEU4oQS020ulF
WARNING: Metadata location on /dev/sdc at 5632 begins with invalid VG name.
WARNING: bad metadata text on /dev/sdc in mda1
WARNING: scanning /dev/sdc mda1 failed to read metadata summary.
WARNING: repair VG metadata on /dev/sdc with vgck --updatemetadata.
WARNING: scan failed to get metadata summary from /dev/sdc PVID 1FFrM1IBhHtzXzqOKaSPpwCaWzMfPBoe
root@mint:/home/mint# fdisk -l
Disk /dev/loop0: 1.92 GiB, 2038923264 bytes, 3982272 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/sda: 20 GiB, 21474836480 bytes, 41943040 sectors
Disk model: VMware Virtual S
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/sdb: 100 GiB, 107374182400 bytes, 209715200 sectors
Disk model: VMware Virtual S
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/sdc: 100 GiB, 107374182400 bytes, 209715200 sectors
Disk model: VMware Virtual S
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
root@mint:/home/mint# pvdisplay -m /dev/sdc
WARNING: Metadata location on /dev/sdb at 5632 begins with invalid VG name.
WARNING: bad metadata text on /dev/sdb in mda1
WARNING: scanning /dev/sdb mda1 failed to read metadata summary.
WARNING: repair VG metadata on /dev/sdb with vgck --updatemetadata.
WARNING: scan failed to get metadata summary from /dev/sdb PVID 2rZsV6hciOdRX2QpNLUUEU4oQS020ulF
WARNING: Metadata location on /dev/sdc at 5632 begins with invalid VG name.
WARNING: bad metadata text on /dev/sdc in mda1
WARNING: scanning /dev/sdc mda1 failed to read metadata summary.
WARNING: repair VG metadata on /dev/sdc with vgck --updatemetadata.
WARNING: scan failed to get metadata summary from /dev/sdc PVID 1FFrM1IBhHtzXzqOKaSPpwCaWzMfPBoe
WARNING: PV /dev/sdb is marked in use but no VG was found using it.
WARNING: PV /dev/sdb might need repairing.
WARNING: PV /dev/sdc is marked in use but no VG was found using it.
WARNING: PV /dev/sdc might need repairing.
"/dev/sdc" is a new physical volume of "100.00 GiB"
--- NEW Physical volume ---
PV Name /dev/sdc
VG Name
PV Size 100.00 GiB
Allocatable NO
PE Size 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID 1FFrM1-IBhH-tzXz-qOKa-SPpw-CaWz-MfPBoe
root@mint:/home/mint# pvdisplay -m /dev/sdb
WARNING: Metadata location on /dev/sdb at 5632 begins with invalid VG name.
WARNING: bad metadata text on /dev/sdb in mda1
WARNING: scanning /dev/sdb mda1 failed to read metadata summary.
WARNING: repair VG metadata on /dev/sdb with vgck --updatemetadata.
WARNING: scan failed to get metadata summary from /dev/sdb PVID 2rZsV6hciOdRX2QpNLUUEU4oQS020ulF
WARNING: Metadata location on /dev/sdc at 5632 begins with invalid VG name.
WARNING: bad metadata text on /dev/sdc in mda1
WARNING: scanning /dev/sdc mda1 failed to read metadata summary.
WARNING: repair VG metadata on /dev/sdc with vgck --updatemetadata.
WARNING: scan failed to get metadata summary from /dev/sdc PVID 1FFrM1IBhHtzXzqOKaSPpwCaWzMfPBoe
WARNING: PV /dev/sdb is marked in use but no VG was found using it.
WARNING: PV /dev/sdb might need repairing.
WARNING: PV /dev/sdc is marked in use but no VG was found using it.
WARNING: PV /dev/sdc might need repairing.
"/dev/sdb" is a new physical volume of "100.00 GiB"
--- NEW Physical volume ---
PV Name /dev/sdb
VG Name
PV Size 100.00 GiB
Allocatable NO
PE Size 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID 2rZsV6-hciO-dRX2-QpNL-UUEU-4oQS-020ulF
root@mint:/home/mint# pvs -a -v
WARNING: Metadata location on /dev/sdb at 5632 begins with invalid VG name.
WARNING: bad metadata text on /dev/sdb in mda1
WARNING: scanning /dev/sdb mda1 failed to read metadata summary.
WARNING: repair VG metadata on /dev/sdb with vgck --updatemetadata.
WARNING: scan failed to get metadata summary from /dev/sdb PVID 2rZsV6hciOdRX2QpNLUUEU4oQS020ulF
WARNING: Metadata location on /dev/sdc at 5632 begins with invalid VG name.
WARNING: bad metadata text on /dev/sdc in mda1
WARNING: scanning /dev/sdc mda1 failed to read metadata summary.
WARNING: repair VG metadata on /dev/sdc with vgck --updatemetadata.
WARNING: scan failed to get metadata summary from /dev/sdc PVID 1FFrM1IBhHtzXzqOKaSPpwCaWzMfPBoe
WARNING: PV /dev/sdb is marked in use but no VG was found using it.
WARNING: PV /dev/sdb might need repairing.
WARNING: PV /dev/sdc is marked in use but no VG was found using it.
WARNING: PV /dev/sdc might need repairing.
PV VG Fmt Attr PSize PFree DevSize PV UUID
/dev/loop0 --- 0 0 <1.90g
/dev/sda --- 0 0 20.00g
/dev/sdb [unknown] lvm2 u-- 100.00g 0 100.00g 2rZsV6-hciO-dRX2-QpNL-UUEU-4oQS-020ulF
/dev/sdc [unknown] lvm2 u-- 100.00g 0 100.00g 1FFrM1-IBhH-tzXz-qOKa-SPpw-CaWz-MfPBoe
root@mint:/home/mint# pvs
WARNING: Metadata location on /dev/sdb at 5632 begins with invalid VG name.
WARNING: bad metadata text on /dev/sdb in mda1
WARNING: scanning /dev/sdb mda1 failed to read metadata summary.
WARNING: repair VG metadata on /dev/sdb with vgck --updatemetadata.
WARNING: scan failed to get metadata summary from /dev/sdb PVID 2rZsV6hciOdRX2QpNLUUEU4oQS020ulF
WARNING: Metadata location on /dev/sdc at 5632 begins with invalid VG name.
WARNING: bad metadata text on /dev/sdc in mda1
WARNING: scanning /dev/sdc mda1 failed to read metadata summary.
WARNING: repair VG metadata on /dev/sdc with vgck --updatemetadata.
WARNING: scan failed to get metadata summary from /dev/sdc PVID 1FFrM1IBhHtzXzqOKaSPpwCaWzMfPBoe
WARNING: PV /dev/sdb is marked in use but no VG was found using it.
WARNING: PV /dev/sdb might need repairing.
WARNING: PV /dev/sdc is marked in use but no VG was found using it.
WARNING: PV /dev/sdc might need repairing.
PV VG Fmt Attr PSize PFree
/dev/sdb [unknown] lvm2 u-- 100.00g 0
/dev/sdc [unknown] lvm2 u-- 100.00g 0
root@mint:/home/mint# vgs
WARNING: Metadata location on /dev/sdb at 5632 begins with invalid VG name.
WARNING: bad metadata text on /dev/sdb in mda1
WARNING: scanning /dev/sdb mda1 failed to read metadata summary.
WARNING: repair VG metadata on /dev/sdb with vgck --updatemetadata.
WARNING: scan failed to get metadata summary from /dev/sdb PVID 2rZsV6hciOdRX2QpNLUUEU4oQS020ulF
WARNING: Metadata location on /dev/sdc at 5632 begins with invalid VG name.
WARNING: bad metadata text on /dev/sdc in mda1
WARNING: scanning /dev/sdc mda1 failed to read metadata summary.
WARNING: repair VG metadata on /dev/sdc with vgck --updatemetadata.
WARNING: scan failed to get metadata summary from /dev/sdc PVID 1FFrM1IBhHtzXzqOKaSPpwCaWzMfPBoe
root@mint:/home/mint#
如果是，我应该创建一个 VG 文件吗？如何创建？我不知道如何设置 dev_size、pe_start、pe_count 的正确大小
pv1 {
id = "57aqQz-eQud-0PNI-huvi-2flz-GgWR-AjdBW5"
device = "/dev/sdc" # Hint only
status = ["ALLOCATABLE"]
flags = []
dev_size = 41943040 # 20 Gigabytes
pe_start = 2048
pe_count = 5119 # 19.9961 Gigabytes
}