操作系统:CentOS 7.2 ,文件类型:ext3
磁盘扩容前,一定要先做磁盘快照备份。
1.卸载挂载点报错:
umount /dev/vdb1
umount: /u01: target is busy.
(In some cases useful info about processes that use the device is found by lsof(8) or fuser(1))
使用fuser -k /dev/vdb1 找不到关联的进程;同时使用lsof |grep /dev/vdb1 也找不到关联的进程。
解决方法:重启服务器后停止了云镜、httpd、nfs等服务后成功卸载数据盘
使用:e2fsck -f /dev/vdb1 > aa.txt & 扫描修复磁盘,300G磁盘执行这条命令需要2个小时。
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
/dev/vdb1: 2892836/19660800 files (14.7% non-contiguous), 72828039/78642944 blocks
执行命令:resize2fs /dev/vdb1 #没有报错,但磁盘也没有扩容。
resize2fs 1.42.9 (28-Dec-2013) The filesystem is al