Seagate Savvio 10K Manual download pdf (Page 12)

6 Savvio 10K.2 SAS Product Manual, Rev. E

4.0 General description

Savvio drives combine Tunneling Magnetoresistive (TMR) heads and a Serial Attached SCSI (SAS) interface

to provide high performance, high capacity data storage for a variety of systems including engineering worksta-

tions, network servers, mainframes, and supercomputers. The Serial Attached SCSI interface is designed to

meet next-generation computing demands for performance, scalability, flexibility and high-density storage

requirements.

Savvio drives are random access storage devices designed to support the Serial Attached SCSI Protocol as

described in the ANSI specifications, this document, and the SAS Interface Manual (part number 100293071)

which describes the general interface characteristics of this drive. Savvio drives are classified as intelligent

peripherals and provide level 2 conformance (highest level) with the ANSI SCSI-1 standard. The SAS connec-

tors, cables and electrical interface are compatible with Serial ATA (SATA), giving future users the choice of

populating their systems with either SAS or SATA hard disk drives. This allows you to continue to leverage your

existing investment in SCSI while gaining a 3Gb/s serial data transfer rate.

The head and disk assembly (HDA) is sealed at the factory. Air recirculates within the HDA through a non-

replaceable filter to maintain a contamination-free HDA environment.

Note. Never disassemble the HDA and do not attempt to service items in the sealed enclosure (heads,

media, actuator, etc.) as this requires special facilities. The drive does not contain user-replaceable

parts. Opening the HDA for any reason voids your warranty.

Savvio drives use a dedicated landing zone at the innermost radius of the media to eliminate the possibility of

destroying or degrading data by landing in the data zone. The heads automatically go to the landing zone when

power is removed from the drive.

An automatic shipping lock prevents potential damage to the heads and disks that results from movement dur-

ing shipping and handling. The shipping lock disengages and the head load process begins when power is

applied to the drive.

Savvio drives decode track 0 location data from the servo data embedded on each surface to eliminate

mechanical transducer adjustments and related reliability concerns.

The drives also use a high-performance actuator assembly with a low-inertia, balanced, patented, straight arm

design that provides excellent performance with minimal power dissipation.

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Seagate Savvio 10K Manual Page 12