快照功能能使管理员对在线(或离线)JFS2文件系统创建一致、集成的快照。
The snapshot functionality was provided so that administrators could create consistent, integrated snapshots of an online (or offline) JFS2 file system.
在线策略，用于加密写到文件系统的数据，以及通过访问控制保护数据。
An online policy is used for encrypting data written to a file system and protecting data with access control.
其默认的日志记录方法为预定，且支持以在线调整大小的方式扩展文件系统。
The default method for journaling is ordered and supports online resizing to grow the file system.
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