In server environments, disk storage performance is becoming more critical than ever. The choice of hard drives is broad, requiring you to consider several factors, including connectivity interfaces, such as Serial Advanced Technology Attachment (SATA) or serial-attached SCSI (SAS); the speed of these interfaces; rotational speeds; choice of desktop versus nearline versus enterprise drives; form-factors; and so on. How do you choose the most appropriate HDD type?
This IBM® Redpaper™ discusses currently available internal and external HDD storage interfaces for IBM System x® servers and provides recommendations on how to choose the right options to better fit business needs and application requirements.
Table of contents
Serial Advanced Technology Attachment (SATA)
Serial-attached SCSI (SAS)
Nearline disk drives
Application performance considerations
Redundant Array of Independent Disks (RAID)
Drive selection guidelines
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