By using raw devices this overhead is reduced.
通过使用原始设备将减少此开销。
The DB2 backup utility also supports raw devices.
DB 2备份实用程序还支持原始设备。
DMS table Spaces are managed by DB2, and can be files or raw devices.
dms表空间由DB 2管理，既可以是文件，也可以是原始设备。
IDS allows you to use either raw devices or cooked files for dbspace chunks.
IDS允许将裸设备或者熟文件用于dbspace块。
This time can be significantly reduced if you use raw devices and if you use concurrent access.
如果您使用原始设备，或者使用并发访问，那么就可以极大地减少这一时间。
Note: in other environments, the described mechanism for determining raw devices may not be suitable.
注意：在其他环境中，上述确定原始设备的机制可能不适用。
DB2 LUW also stores table data on files, directories and raw devices depending upon the type of table space.
DB 2LUW还会根据表空间的类型将表数据存储到文件、目录和原始设备上。
Then the Informix database is queried to determine the location of already used chunks on the raw devices.
接着，查询Informix数据库，确定原始设备上已经在使用的块的位置。
For faster failover time the best configuration is to use DMS tablespaces and raw devices, and even better allow concurrent access to the disks.
为了获得更快的故障转移时间，最佳配置是使用dms表空间和原始设备，甚至最好允许对磁盘的并发访问。
Running the RAWDEVSIZE program against the raw devices depicted in Figure 2 would result in the following data being put into the free_chunks table.
对图2所示原始设备运行RAWDEVSIZE程序将产生以下数据，并将这些数据放到free_chunks表中。
In the database Managed space (DMS) method, you would explicitly specify a set of files or raw devices for each table space and let DB2 database manage them.
使用DatabaseManagedSpace (DMS)方法时，需要显式地为每个表指定一组文件或原始设备，并让DB 2数据库管理它们。
The RAWDEVSIZE program analyzes available raw devices and stores the offset, size, and path information of free blocks into a database table named free_chunks.
RAWDEVSIZE程序分析可用原始设备，并将空闲块的偏移量、大小和路径信息存储到一个名为free_chunks的数据库表中。
The RAWDEVSIZE program analyzes available raw devices and stores the offset, size, and path information of free blocks into a database table named free_chunks.
RAWDEVSIZE程序分析可用原始设备，并将空闲块的偏移量、大小和路径信息存储到一个名为free_chunks的数据库表中。
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