So, you’ve heard about the transition to 6Gb/s SAS drives and HP is at the front of this transition, like most others; but does your environment really need the greater system throughput, the improved zoning, enhanced diagnostics, multiplexing and spread spectrum clocking (SSC) – among other benefits of 6G SAS?
The experts agree the new SAS interface is technically more robust than current interface technologies. When it comes to system performance, the benefits of 6G SAS technology can be seen in applications which aggregate multiple components, resulting in higher bandwidth for the whole system. Storage-intensive, high I/O applications such as video streaming, backups, large databases, high online transactions, and virtualization will benefit from the higher throughput of storage and other system devices.
But keep in mind: if you are looking to achieve a 6Gb/s line rate, you need an end-to-end 6G infrastructure, including server backplanes, HBAs and storage controllers, as well as drives. If any of the components of a storage subsystem operate at different data transfer rates, the system bandwidth will be negotiated down to an acceptable level for all components. The good news is that you don’t have to upgrade your whole infrastructure at once. The new HP 6G SAS drives that launched on March 30 are backward (hmm…and sideways?) compatible with 6G/3G SAS and 3G/1.5G SATA drives.
So, the 6G SAS drives have advanced features, improve performance, and work with your current hardware. It sounds like your environment can benefit from 6G SAS drives.
Posted
04-13-2009 8:42 PM
by
s_mathur