Seagate ST3450757FC ユーザーズマニュアル

Cheetah 15K.7 FC Product Manual, Rev. C

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Cheetah 15K.7 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 5.5)

• Embedded servo design

• Reallocation of defects on command (Post Format)

• Fibre Channel interface transports SCSI protocol

• Automatic data encryption/decryption

• Controlled access

• Random number generator

• Drive locking

• 16 independent data bands

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

• Authenticated firmware download