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Thank you for the fast service jrwarren!
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(New to RAID management, have searched for answers!)<br />
1. &nbsp;We have a RAID 5 array, partitioned into two drives. &nbsp;One disk needs to be replaced. &nbsp;Will the rebuild automatically partition the new disk?<br />
2. &nbsp;Using three 300 GB disks, logical disk size = 500GB. &nbsp;Is that size increase a function of RAID 5? &nbsp;
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(New to RAID management, have searched for answers!)
1.  We have a RAID 5 array, partitioned into two drives.  One disk needs to be replaced.  Will the rebuild automatically partition the new disk?
2.  Using three 300 GB disks, logical disk size = 500GB.  Is that size increase a function of RAID 5?  

RAID 5 Questions

Servers are computing devices that are similar to desktop computers in that they have the same basic components, but are significantly different in size, configuration and purpose. Servers are usually accessed over a network, and many run unattended, without a computer monitor, input device, audio hardware or USB interfaces. Many servers do not have a graphical user interface (GUI), and are configured and managed remotely. Servers typically include hardware redundancy such as dual power supplies, RAID disk systems, and ECC memory, along with extensive pre-boot memory testing and verification. Critical components might be hot swappable, and to guard against overheating, servers might have more powerful fans or use water cooling.

Server Hardware

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.

Windows Server 2008

RAID stands for Redundant Array of Independent Disks.

RAID is data storage technology that allows multiple drives to be used together as a single virtual drive for reasons such as fault tolerance, reliability and performance. 

There are several different levels of RAID that determine how the data is stored and the level of redundancy achieved across the drives.