Sunday, February 20, 2011

World’s first shipping 7200 RPM 3TB enterprise-class HDD from Hitachi

The Hitachi Ultrastar™ 7K3000 is the world’s first and only 7200 RPM hard drive rated at 2.0 million hours MTBF and backed by a five-year limited warranty. The Ultrastar 7K3000 represents the fifth-generation Hitachi 5-platter mechanical design, first introduced in 2004, and has been field proven by top server and storage OEMs as well as leading Internet giants. When the highest quality and reliability are a top requirement, customer field data proves that the Ultrastar 7K3000 delivers by reducing downtime, eliminating service calls and keeping TCO to a minimum. Engineered for the highest reliability, the Ultrastar 7K3000 is not only put through grueling design tests during development but must also pass stringent ongoing reliability testing during manufacturing. Across the entire Ultrastar family, world-class quality control, combined with scientific root-cause analysis and multi-faceted corrective actions, ensure that Hitachi GST remains the recognized leader in quality and reliability for enterprise-class hard drives.

Highlights:

• 2.0 million hours MTBF
• Up to 3 terabytes of capacity
• 6Gb/s SATA and 6Gb/s SAS models for configuration flexibility
• Dual Stage Actuator (DSA) and Enhanced Rotational Vibration Safeguard (RVS) for robust performance in multi-drive environments
• 24x7 accessibility for enterprise-class, capacity-optimized applications
• 5-year limited warranty

Product Documentation : http://www.hitachigst.com/tech/techlib.nsf/products/Ultrastar_7K3000

Saturday, February 12, 2011

Minimum size for root FlexVol volumes


Storage system model   Minimum root FlexVol volume size

FAS250                                        9 GB

FAS270                                       10 GB

FAS920                                       12 GB

FAS940                                       14 GB

FAS960                                      19 GB

FAS980                                       23 GB

FAS3020                                    12 GB

FAS3050                                    16 GB

F87                                              8 GB

F810                                            9 GB

F825                                           10 GB

F840                                            13 GB

F880                                            13 GB

R100-12TB                                 13 GB

R100-24TB                                 19 GB

R100-48TB                                 30 GB

R100-96TB                                 53 GB

R150                                           19 GB

R200                                           19 GB