Linux resize2fs: Bad magic number in super-block错误的解决方法

Linux resize2fs: Bad magic number in super-block错误的解决方法

原创 Linux操作系统 作者：chenfeng 时间：2017-04-06 10:35:18  13377  0

[root@backup binlog]# vgdisplay   --- Volume group ---   VG Name               centos   System ID   Format                lvm2   Metadata Areas        2   Metadata Sequence No  8   VG Access             read/write   VG Status             resizable   MAX LV                0   Cur LV                3   Open LV               3   Max PV                0   Cur PV                2   Act PV                2   VG Size               2.73 TiB   PE Size               4.00 MiB   Total PE              715273   Alloc PE / Size       712822 / 2.72 TiB   Free  PE / Size       2451 / 9.57 GiB   VG UUID               6rIzMZ-cqff-oWy6-0EvS-YENe-37U9-65SunU [root@backup binlog]# lvextend -L +4G /dev/mapper/centos-home   Size of logical volume centos/home changed from 2.66 TiB (697542 extents) to 2.66 TiB (698566 extents).   Logical volume home successfully resized. 执行resize2fs报错: [root@backup binlog]# resize2fs /dev/mapper/centos-home resize2fs 1.42.9 (28-Dec-2013) resize2fs: Bad magic number in super-block 当尝试打开 /dev/mapper/centos-home 时 找不到有效的文件系统超级块. 确认文件系统是xfs: [root@backup binlog]# cat /etc/fstab | grep centos-home /dev/mapper/centos-home /home                   xfs     defaults        0 0 xfs用以下命令来扩磁盘空间: [root@backup binlog]# xfs_growfs /dev/mapper/centos-home meta-data=/dev/mapper/centos-home isize=256    agcount=6, agsize=118277632 blks          =                       sectsz=4096  attr=2, projid32bit=1          =                       crc=0        finobt=0 data     =                       bsize=4096   blocks=709040128, imaxpct=5          =                       sunit=0      swidth=0 blks naming   =version 2              bsize=4096   ascii-ci=0 ftype=0 log      =internal               bsize=4096   blocks=231011, version=2          =                       sectsz=4096  sunit=1 blks, lazy-count=1 realtime =none                   extsz=4096   blocks=0, rtextents=0 data blocks changed from 709040128 to 715331584 (adsbygoogle = window.adsbygoogle || []).push({});