Seagate ST3450856FC manual Standard features

3.1Standard features

Cheetah 15K.6 FC drives have the following standard features:

•4-Gbit Fibre Channel interface

•Integrated dual port FC-AL controller

•Concurrent dual port transfers

•Support for FC arbitrated loop, private and public attachment

•Differential copper FC drivers and receivers

•Downloadable firmware using the FC-AL interface

•Supports SCSI enclosure services via interface connector

•128-deep task set (queue)

•Supports up to 32 initiators

•Drive selection ID and configuration options are set on the FC-AL backpanel or through interface com- mands. Jumpers are not used on the drive.

•Supports SCSI Enclosure Services through the interface connector

•Fibre Channel worldwide name uniquely identifies the drive and each port

•User-selectable logical block size (512, 520, 524, or 528 bytes per logical block)

•Selectable frame sizes from 256 to 2,112 bytes

•Industry standard 3.5-inch low profile form factor dimensions

•Programmable logical block reallocation scheme

•Flawed logical block reallocation at format time

•Programmable auto write and read reallocation

•Reed-Solomon error correction code

•Sealed head and disc assembly (HDA)

•No preventive maintenance or adjustments required

•Dedicated head landing zone

•Automatic shipping lock

•Embedded Grey Code track address to eliminate seek errors

•Self-diagnostics performed at power on

•Zone bit recording (ZBR)

•Vertical, horizontal, or top down mounting

•Dynamic spindle brake

•16,384 Kbyte data buffer (see Section 4.5)

•Embedded servo design

•Reallocation of defects on command (Post Format)

•Fibre Channel interface transports SCSI protocol

Cheetah 15K.6 FC FDE models have the following additional features :

•Automatic data encryption/decryption on all write and reads to and from the media

•Cryptographic erase of user data for a drive that will be repurposed or scrapped

•Two independent data bands which each have it’s own ownership credential and encryption key

•Authenticated firmware download

8 Cheetah 15K.6 FC Product Manual, Rev. D