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谢谢这位同学。我看了一下,/boot应该没有在LVM下。我按照你的说法试了一下,发现了另一个问题。我无法备份第二个磁盘的数据。我不明白为什么我就装了个操作系统,第二个磁盘怎么就全被占了呢?
[root@sh-execlle /]# pvmove /dev/sdb1
Insufficient free space: 2187 extents needed, but only 2 available
Unable to allocate mirror extents for pvmove0.
Failed to convert pvmove LV to mirrored
[root@sh-execlle /]# pvdisplay
--- Physical volume ---
PV Name /dev/sda2
VG Name VolGroup00
PV Size 68.17 GB / not usable 13.88 MB
Allocatable yes
PE Size (KByte) 32768
Total PE 2181
Free PE 2
Allocated PE 2179
PV UUID cd7Vv1-HSXE-rhad-iufE-LsZH-Aggb-UvivrM
--- Physical volume ---
PV Name /dev/sdb1
VG Name VolGroup00
PV Size 68.36 GB / not usable 17.76 MB
Allocatable yes (but full)
PE Size (KByte) 32768
Total PE 2187
Free PE 0
Allocated PE 2187
PV UUID 8B6HDC-sdce-91aD-pcwg-krrS-fJB0-eU1xYb
[root@sh-execlle /]# df -lh
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
133G 3.8G 122G 4% /
/dev/sda1 190M 13M 168M 7% /boot
tmpfs 2.0G 96K 2.0G 1% /dev/shm
[root@sh-execlle /]# fdisk -l
Disk /dev/sda: 73.4 GB, 73407865856 bytes
255 heads, 63 sectors/track, 8924 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00033d39
Device Boot Start End Blocks Id System
/dev/sda1 * 1 25 200781 83 Linux
/dev/sda2 26 8924 71481217+ 8e Linux LVM
Disk /dev/sdb: 73.4 GB, 73407865856 bytes
255 heads, 63 sectors/track, 8924 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x000371b6
Device Boot Start End Blocks Id System
/dev/sdb1 * 1 8924 71681998+ 8e Linux LVM
Disk /dev/dm-0: 144.4 GB, 144418275328 bytes
255 heads, 63 sectors/track, 17557 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000000
Disk /dev/dm-0 doesn't contain a valid partition table
Disk /dev/dm-1: 2080 MB, 2080374784 bytes
255 heads, 63 sectors/track, 252 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x30307800
Disk /dev/dm-1 doesn't contain a valid partition table |
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