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lvm扩容 ,出错
cenot7
# resize2fs /dev/centos/root
resize2fs 1.42.9 (28-Dec-2013)
resize2fs: Bad magic number in super-block while trying to open /dev/centos/root
Couldn't find valid filesystem superblock.
lvm已扩容好了,但在系统中还是不能显示,按网上操作出现以上问题!
# df -lh
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/centos-root 50G 2.1G 48G 5% /
devtmpfs 7.6G 0 7.6G 0% /dev
tmpfs 7.7G 0 7.7G 0% /dev/shm
tmpfs 7.7G 257M 7.4G 4% /run
tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup
/dev/mapper/centos-home 308G 117G 192G 38% /home
/dev/sda1 497M 201M 296M 41% /boot
#lvdisplay
--- Logical volume ---
LV Path /dev/centos/root
LV Name root
VG Name centos
LV UUID vQVOca-XuMn-M0Es-EZgT-0BPb-n0xd-ISDd4F
LV Write Access read/write
LV Creation host, time localhost.localdomain, 2016-08-12 22:54:23 +0800
LV Status available
# open 1
LV Size 20.00 GiB
Current LE 5120
Segments 2
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:0 |
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