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This topic is part of Siebel EIM Architecture Planning Requirements.
The overall performance of Siebel Business Applications largely depends on the input/output (I/O) performance of the database server. To achieve optimal I/O performance, it is critical that the tables and indexes in the database be arranged across available disk devices in a manner that evenly distributes the I/O load.
The mechanism for distributing database objects varies by RDBMS, depending on the manner in which storage space is allocated. Most databases have the ability to assign a given object to be created on a specific disk. These objects, and guidelines for some of them, are provided in the following list.
A redundant array of independent disks, or RAID, can provide large amounts of I/O throughput and capacity, while appearing to the operating system and RDBMS as a single large disk (or multiple disks, as desired, for manageability). The use of RAID can greatly simplify the database layout process by providing an abstraction layer above the physical disks while ensuring high performance.
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