进行一次文件系统备份。
Why a DB2 backup and not a file system backup?
为什么是DB2备份而不是文件系统备份？
A file system backup, on the other hand, is all or nothing.
而在文件系统备份中，要么是全部恢复，要么一个也不恢复。
The backup process is not a file system backup; it is a logical backup.
这种备份不是文件系统的备份，而是逻辑上的备份。
You can also freeze file systems to support snapshots for file system backup.
也可以冻结文件系统来支持文件系统备份的快照。
Compared with file system backup, BLI can achieve higher backup performance and less space occupation.
与文件级备份相比，块级备份在备份性能和空间利用率上都得到了很大的提高。
Strategy 3: System backup and restore.
策略3：系统备份和恢复。
System backup is an essential part of a backup and is usually forgotten.
系统备份是备份中的一个重要部分，但往往被忽略。
System backup is an essential part of a backup and is usually forgotten.
系统备份是备份中的一个重要部分，但往往被忽略。
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