Now, for normal database operation you do not really have to worry about the file system cache because DB2 implements buffer pools that do the necessary caching already.
现在，对于一般的数据库操作，不必考虑文件系统缓存，因为DB 2实现了缓冲池，这些缓冲池已经做了必要的缓存。
In this case, a redirected restore operation won't do the trick, because you can't usually back up a database on one operating system, and restore it on another operating system.
在这种情况中，重定向操作通常就无用武之地了，因为我们通常都不能在一个操作系统上备份一个数据库，然后将其恢复到另外一个操作系统上。
On the other hand, DB2 LUW database stores several information required for normal operation across several operating system files under local database directory.
另一方面，DB 2 LUW数据库还存储跨本地数据库目录下的多个操作系统文件正常运行所需的若干信息。
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