Adaptec 3210S User Guide - Page 131
Choosing Your Array Type
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B Choosing Your Array Type In This Chapter ➤ If You Are New to Arrays B-2 ➤ If You Have Experience with Arrays B-2 ➤ Storage Manager Pro Array Types B-2 ➤ Array Selection Examples B-4 ➤ Array Decision Chart B-6 ➤ Understanding the Array Selection Criteria B-8 ➤ Comparing the Selection Criteria B-9 Determining which array type to use depends on the applications running on your server and trade-offs between performance and cost. Before you choose your array type in Storage Manager Pro, you should evaluate your needs based on the following: I Performance-This is based on the requirements of the applications to be run on the system you are setting up. Key performance issues to consider include: - Fault tolerance-Ability of the system to recover from a failure of one of more drives without interrupting user or application access to data. - Load balancing-Ability to spread I/O across drives. - Write performance-Ability to write large amounts of data. B-1