红帽全球峰会3.9. Suspending Activity on a GFS2 File System
You can suspend write activity to a file system by using the
dmsetup suspend command. Suspending write activity allows hardware-based device snapshots to be used to capture the file system in a consistent state. The dmsetup resume command ends the suspension.
用法
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Start Suspension
dmsetup suspend MountPoint
dmsetup suspend MountPoint
End Suspension
dmsetup resume MountPoint
dmsetup resume MountPointMountPoint- 指定文件系统。
示例
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这个示例挂起了对文件系统
/mygfs2 的写入动作。
dmsetup suspend /mygfs2
# dmsetup suspend /mygfs2
这个示例终止了对文件系统
/mygfs2 写入动作的挂起。
dmsetup resume /mygfs2
# dmsetup resume /mygfs2
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