centos 6.4 扩容
摘自 :http://cache.baiducontent.com/c?m=9f65cb4a8c8507ed4fece7631046893b4c4380146d96864968d4e414c4224615172da2fa663f4344959e2d3956b21f0baca36d2c761e26b69fca894adcbe866d72c8713b214bda074f920eafba5153c337e751fede1ff0cdf02592dec5a3af4327b944040a9781894d731fdd1efa034795b19939550807bb9d2765894e7659df7413e01ca5b5256e76c7ac8a4b4cb268832157cce96eed6205b562e24c4b7a13b74cc05c027d6eb71930ff35785fd4b14ae75b2e0063eb08a4b9b0b5ef5f8dacfd30ebedcbde79c224bd94&p=863fc64ad49c0eb419bd9b7e0e159d&newp=c33ec64ad4db11a058ee97264f4a85231610db2151d4da1067&user=baidu&fm=sc&query=centos+%D0%E9%C4%E2%BB%FA%C0%A9%C8%DD+Re%2Dreading+the+partition+table+failed+with+error+16%3A+Device+or+resource+busy%2E&qid=a5323d5b000035f6&p1=1
遇到的情况是一模一样的,留着自己看看吧!
LV Path /dev/vg_vm/lv_root
LV Name lv_root
VG Name vg_vm
LV UUID bWyLlY-hYra-7hPc-2eU9-tXMH-FJFa-7ZLDoF
LV Write Access read/write
LV Creation host, time vm.sss, 2015-01-05 03:29:55 +0800
LV Status available
# open 1
LV Size 6.71 GiB
Current LE 1718
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:0
--- Logical volume ---
LV Path /dev/vg_vm/lv_swap
LV Name lv_swap
VG Name vg_vm
LV UUID oLj3cQ-USD7-JIGZ-HMJz-NlmA-aQf6-lECYyC
LV Write Access read/write
LV Creation host, time vm.sss, 2015-01-05 03:29:56 +0800
LV Status available
# open 1
LV Size 816.00 MiB
Current LE 204
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:1
255 heads, 63 sectors/track, 3916 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00036057
Device Boot Start End Blocks Id System
/dev/sda1 * 1 64 512000 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 64 1045 7875584 8e Linux LVM
Disk /dev/mapper/vg_vm-lv_root: 7205 MB, 7205814272 bytes
255 heads, 63 sectors/track, 876 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/mapper/vg_vm-lv_swap: 855 MB, 855638016 bytes
255 heads, 63 sectors/track, 104 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
Syncing disks.
Device Boot Start End Blocks Id System
/dev/sda1 * 1 64 512000 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 64 1045 7875584 8e Linux LVM
/dev/sda3 1045 3916 23066662 83 Linux
brw-rw----. 1 root disk 8, 3 Jan 6 10:33 /dev/sda3
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_vm-lv_root 6.7G 6.5G 83M 99% /
tmpfs 495M 80K 495M 1% /dev/shm
/dev/sda1 485M 326M 134M 71% /boot
/dev/sda1 * 1 64 512000 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 64 1045 7875584 8e Linux LVM
/dev/sda3 1045 3916 23066662 83 Linux
LV VG Attr LSize Pool Origin Data% Move Log Cpy%Sync Convert
lv_root vg_vm -wi-ao---- 6.71g
lv_swap vg_vm -wi-ao---- 816.00m
dev_is_mpath: failed to get device for 8:3
Physical volume "/dev/sda3" successfully created
tmpfs 495M 80K 495M 1% /dev/shm
/dev/sda1 485M 326M 134M 71% /boot
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_vm-lv_root 6.7G 6.5G 83M 99% /
tmpfs 495M 80K 495M 1% /dev/shm
/dev/sda1 485M 326M 134M 71% /boot
[sss@localhost ~]$ sudo vgextend /dev/mapper/vg_vm-lv_root /dev/sda3
Volume group name vg_vm/lv_root has invalid characters
[sss@localhost ~]$ sudo vgextend /dev/mapper/vg_vm /dev/sda3
Volume group "vg_vm" successfully extended
--- Volume group ---
VG Name vg_vm
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 4
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 2
Act PV 2
VG Size 29.50 GiB
PE Size 4.00 MiB
Total PE 7553
Alloc PE / Size 1922 / 7.51 GiB
Free PE / Size 5631 / 22.00 GiB
VG UUID 8GwL0o-DTdc-Lmkc-gCCC-RBvv-yOQp-wMgpeq
Extending logical volume lv_root to 28.71 GiB
Insufficient free space: 5632 extents needed, but only 5631 available
Extending logical volume lv_root to 28.61 GiB
Logical volume lv_root successfully resized
e2fsck 1.41.12 (17-May-2010)
/dev/vg_vm/lv_root is mounted.
e2fsck: Cannot continue, aborting.
resize2fs 1.41.12 (17-May-2010)
Filesystem at /dev/vg_vm/lv_root is mounted on /; on-line resizing required
old desc_blocks = 1, new_desc_blocks = 2
Performing an on-line resize of /dev/vg_vm/lv_root to 7500800 (4k) blocks.
The filesystem on /dev/vg_vm/lv_root is now 7500800 blocks long.
[sss@localhost ~]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_vm-lv_root 29G 6.5G 22G 24% /
tmpfs 495M 80K 495M 1% /dev/shm
/dev/sda1 485M 326M 134M 71% /boot
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