没有正确卸载文件系统。
如何卸载文件系统？
一定要先卸载文件系统。
Be sure to have the filesystems unmounted first. The basic format is.
这很方便，但是当需要马上卸载文件系统时它并不合适。
This can be handy but is not exactly what you want to use when you need to unmount a file system now.
在系统关闭期间卸载文件系统时，把它们标为clean。
When file systems are unmounted as part of a system shutdown, they are marked as CLEAN.
安装和卸载文件系统通常需要root权限。
Mounting and unmounting filesystems usually requires root authority.
user指定一个非根用户被允许安装或卸载文件系统。
user specifies that a non-root user is permitted to mount and unmount the filesystem.
卸载文件系统，然后执行 fsck 命令并重新挂载它。
完成之后，卸载文件系统并对hbvg执行varyoffvg。
如果需要马上卸载文件系统，而文件系统报告忙碌，还有其他办法。
If you need to unmount a file system now, and that file system reports that it is busy, you still have some options.
当出现这些不幸的情况时，Linux没有机会彻底卸载文件系统。
When these unfortunate situations occur, Linux doesn't have the opportunity to cleanly unmount the filesystem.
在卸载文件系统时，如果该文件系统中有任何打开的文件，那么操作将会失败。
When unmounting a file system, the operation fails if any files are open on the file system.
如果任何进程已经打开卸载文件系统中的文件或目录，卸载命令就不能完全成功。
Remount commands will not complete successfully if any process has open files or directories in the filesystem being remounted. See Unmounting filesystems below for additional information.
例如，一个用户空间实例也许不能修改内核(载入或移除内核模块)，也不能挂载或卸载文件系统。
For example, a user-space instance may not modify the kernel (load or remove kernel modules) nor mount or unmount file systems.
在这些情况下，我会卸载文件系统并针对它们运行fsck—y，直至不再出现错误，然后再重新载入它们。
In these situations, I unmount file systems and run FSCK -y against them until they come back with no errors before mounting them again.
在关闭时，heartbeat将首先停止WebSphereMQ进程，然后卸载文件系统，最后释放IP地址。
On shutdown, heartbeat will first stop WebSphere MQ processes, then unmount the filesystem, and, finally, give up the IP address.
在一个优化的网站上，这个磁盘卸载文件会完全存储在文件系统缓存中，它位于RAM之外。
In a well-tuned site, this disk offload file fits entirely into the file system cache, and is served out of RAM.
在一个优化的网站上，这个磁盘卸载文件会完全存储在文件系统缓存中，它位于RAM之外。
In a well-tuned site, this disk offload file fits entirely into the file system cache, and is served out of RAM.
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