Compaq ProLiant 1000 Drive technology overview - Page 1

Drive technology overview technology brief, 3rd edition Abstract...2 Introduction...2 Categories of server disk drives ...2 Characteristics of disk drives ...3 Small form factor and large form factor disk drives 3 Disk drive capacity...4 Disk drive performance...4 Reliability ...5 Drive qualification process...6 Interconnect technology ...7 Serial Attached SCSI (SAS) ...7 SAS-2 ...8 Second generation Serial ATA (SATA 8 Interconnect bandwidths and drive throughput 8 Improved performance and reliability with RAID 9 Advanced controllers ...9 Solid state drives for servers...9 HP solid state drive reliability requirements 10 NAND over provisioning and wear-levelling 10 Power loss protection ...10 Value, mainstream and performance SSDs 11 SSD performance ...12 Conclusion...12 For more information...13 Call to action ...13 1