mkfs.ext4: symbol lookup error: mkfs.ext4: undefined symbol: ext2fs_numeric_progress_ops

vgextend vg_mysqlsoft /dev/sdc7
lvcreate -n lv_MariaDB_104 -L 3G vg_mysqlsoft
mkfs.ext4 /dev/vg_mysqlsoft/lv_MariaDB_104
mkdir /usr/local/MariaDB_104
mount /dev/vg_mysqlsoft/lv_MariaDB_104 /usr/local/MariaDB_104

报错：

[root@rhel6lhr ~]# mkfs.ext4 /dev/vg_mysqlsoft/lv_MariaDB_104
mkfs.ext4: symbol lookup error: mkfs.ext4: undefined symbol: ext2fs_numeric_progress_ops
[root@rhel6lhr ~]# ldd /sbin/mkfs.ext4
        linux-vdso.so.1 =>  (0x00007fffdad90000)
        libext2fs.so.2 => /lib64/libext2fs.so.2 (0x00007f53c9c61000)
        libcom_err.so.2 => /lib64/libcom_err.so.2 (0x00007f53c9a5d000)
        libblkid.so.1 => /lib64/libblkid.so.1 (0x0000003a43800000)
        libuuid.so.1 => /lib64/libuuid.so.1 (0x0000003a4a400000)
        libe2p.so.2 => /lib64/libe2p.so.2 (0x00007f53c9855000)
        libc.so.6 => /lib64/libc.so.6 (0x0000003a3f800000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x0000003a3fc00000)
        /lib64/ld-linux-x86-64.so.2 (0x0000003a3f000000)

解决：

找一个正确的相同版本的OS，然后拷贝/lib64/libext2fs.so.2和/lib64/libcom_err.so.2，覆盖有问题的OS，再次运行即可。