A dbspace is an Informix data storage unit, it consists of or rather is supported by one or more chunks.
dbspace是Informix的数据存储单元，它包含一个或多个块(chunk)，更确切地说是由一个或多个块来支持。
This is a solution where several physical hard disks (two or more) are governed by a unit called RAID controller, which turns them into a single, cohesive data storage block.
这是几个物理硬盘(两个或更多)有一个称为RAID的单元的管理的解决方法，它把他们变成了单一的、结合一体的数据存储块。
A chunk is the largest unit of physical disk dedicated to database server data storage.
区块是用于数据库服务器数据存储的最大物理磁盘单元。
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