理论上第一步骤是用
# /sbin/pvs 结果如下：
pvs
WARNING: Duplicate VG name VolGroup00: Existing 12QCr1-j070-yDZ7-Oha6-xbOB-aeBe-FY5R9L (created here) takes precedence over AR3E4Y-52wy-Uoah-Kujw-tLKu-c06H-Twe4Is
Couldn't find device with uuid 'FwMst4-ObLY-X16p-z1sK-l3XF-0D2T-8votyY'.
Couldn't find device with uuid 'FwMst4-ObLY-X16p-z1sK-l3XF-0D2T-8votyY'.
WARNING: Duplicate VG name VolGroup00: Existing 12QCr1-j070-yDZ7-Oha6-xbOB-aeBe-FY5R9L (created here) takes precedence over AR3E4Y-52wy-Uoah-Kujw-tLKu-c06H-Twe4Is
WARNING: Duplicate VG name VolGroup00: Existing AR3E4Y-52wy-Uoah-Kujw-tLKu-c06H-Twe4Is (created here) takes precedence over 12QCr1-j070-yDZ7-Oha6-xbOB-aeBe-FY5R9L
Couldn't find device with uuid 'FwMst4-ObLY-X16p-z1sK-l3XF-0D2T-8votyY'.
Couldn't find all physical volumes for volume group VolGroup00.
Couldn't find device with uuid 'FwMst4-ObLY-X16p-z1sK-l3XF-0D2T-8votyY'.
Couldn't find all physical volumes for volume group VolGroup00.
Volume group "VolGroup00" not found
Skipping volume group VolGroup00
WARNING: Duplicate VG name VolGroup00: Existing 12QCr1-j070-yDZ7-Oha6-xbOB-aeBe-FY5R9L (created here) takes precedence over AR3E4Y-52wy-Uoah-Kujw-tLKu-c06H-Twe4Is
Couldn't find device with uuid 'FwMst4-ObLY-X16p-z1sK-l3XF-0D2T-8votyY'.
Couldn't find all physical volumes for volume group VolGroup00.
Couldn't find device with uuid 'FwMst4-ObLY-X16p-z1sK-l3XF-0D2T-8votyY'.
Couldn't find all physical volumes for volume group VolGroup00.
Volume group "VolGroup00" not found
Skipping volume group VolGroup00
WARNING: Duplicate VG name VolGroup00: Existing AR3E4Y-52wy-Uoah-Kujw-tLKu-c06H-Twe4Is (created here) takes precedence over 12QCr1-j070-yDZ7-Oha6-xbOB-aeBe-FY5R9L
PV VG Fmt Attr PSize PFree
/dev/sda2 VolGroup00 lvm2 a- 297.88G 32.00M
用fdisk －l查看：
[root@localhost lemon]# fdisk -l
Disk /dev/sda: 320.0 GB, 320071851520 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x71485edd
Device Boot Start End Blocks Id System
/dev/sda1 * 1 25 200781 83 Linux
/dev/sda2 26 38913 312367860 8e Linux LVM
Disk /dev/sdb: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x624aa2e0
Device Boot Start End Blocks Id System
/dev/sdb1 1 4864 39070048+ c W95 FAT32 (LBA)
/dev/sdb2 4865 30401 205125952+ f W95 Ext'd (LBA)
/dev/sdb5 4865 9728 39070048+ b W95 FAT32
/dev/sdb6 9729 14592 39070048+ b W95 FAT32
/dev/sdb7 * 19457 19481 200781 83 Linux
/dev/sdb8 19482 30401 87714868+ 8e Linux LVM
/dev/sdb9 14593 19456 39070048+ 83 Linux
Partition table entries are not in disk order
明明是存在另外一个LVM但是为什么pvs看不到呢？
里面有我大很重要的数据，各位大侠帮帮我这个弱女子吧？(6)m:b
