Server buying guide – features to look for

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Features to look for
When deciding which server is right for your environment, these features are important considerations:
•  Assess hard disk space needs by evaluating how much data you have now and how much data you create monthly. Consider a server that allows you to add additional drives as your needs change.
•  Software manufacturers will list "required" and "recommended" memory. When possible, buy enough memory to support the recommended amount for each application.
•  If your server will be used in a mission-critical environment you will need to support at least RAID (Redundant Array of Inexpensive Disks) Level 1 which writes data across two or more drives so data is not lost if any drive on the system fails.
•  Simplify server management with tools such as HP Insight Manger, Integrated Lights-Out, SmartStart, and ProLiant Essentials.
•  HP's pre-failure warranty, standard on all HP ProLiant 300 servers and above, extends HP's standard one or three-year warranty to cover critical components like memory before they actually fail.

New advances in technology
•  Hyper-Threading technology available on Intel Xeon processors makes a single processor look like two processors to the operating system, making twice as many resources available to service threads.
•  HP offers three levels of Advanced Memory Protection that provide increased fault tolerance for applications requiring higher levels of availability:
• Online Spare Memory: Protects against single-bit errors and entire DRAM failure by reserving some memory as "spare".
• Hot Plug Mirrored Memory: Provides full protection against single-bit and multi-bit errors by writing the same data to two sets of memory but only actively using one.
• Hot Plug RAID Memory: Allows the memory subsystem to operate continuously, even in the event of a complete memory device failure.
•  Toolless internal design provides easy access to server components without any tools required to reduce ownership costs.

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