Seagate ST3450856FC manual Standard features

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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

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

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Contents ST3146356FC ST3450856FCST3300656FC Page Contents Installation Physical/electrical specificationsDefect and error management Interface requirementsSeagate Technology support services Cheetah 15K.6 FC Product Manual, Rev. D Scope Model Number Full Disk Encryption FDECheetah 15K.6 FC Product Manual, Rev. D Electromagnetic compatibility Applicable standards and reference documentationStandards Electromagnetic susceptibilityEuropean Union Restriction of Hazardous Substances RoHS Reference documents Ncits TR-20Cheetah 15K.6 FC Product Manual, Rev. D General description Standard features Reliability Media descriptionPerformance Formatted capacitiesFactory-installed options User-installed accessoriesSeek performance characteristics Performance characteristicsInternal drive characteristics Access timeStart/stop time Format command execution time minutesGeneral performance characteristics 176 144 100Caching write data Prefetch/multi-segmented cache controlCache operation Prefetch operation Recoverable Errors Reliability specificationsError rates Unrecoverable ErrorsInterface errors Reliability and serviceSeek errors Preventive maintenancePerformance impact 4 S.M.A.R.TControlling S.M.A.R.T MillisecondsPredictive failures Temperature Log Page 0DhDetermining rate Thermal monitorDST failure definition State of the drive prior to testingDrive Self Test DST ImplementationExtended test Function Code 010b Short and extended testsShort test Function Code 001b Log page entriesProduct repair and return information Product warrantyShipping Cheetah 15K.6 FC Product Manual, Rev. D DC power requirements Physical/electrical specificationsAC power requirements ST3450856FC DC power requirements Gbit Amps ST3450056FC DC power requirements Gbit AmpsST3300656FC DC power requirements Gbit Amps ST3300056FC DC power requirements Gbit AmpsST3146356FC DC power requirements Gbit Amps ST3146756FC DC power requirements Gbit AmpsConducted noise immunity General DC power requirement notesPower sequencing Current profilesTypical ST3450856FC current profiles Typical ST3450056FC current profiles Typical ST3300656FC current profiles Typical ST3300056FC current profiles Typical ST3146356FC current profiles Typical ST3146756FC current profiles Power dissipation 450GB models300GB models 146GB models TemperatureEnvironmental limits Relative humidity Effective altitude sea levelShock Package size Packaged/product weight Drop heightShock and vibration Recommended mounting Acoustics Air cleanlinessVibration Corrosive environmentRoHS compliance statement Mechanical specifications Mounting configuration dimensionsDrive error recovery procedures Defect and error managementDrive internal defects/errors Page FC-AL system errors Background Media ScanIdle Read After Write Media Pre-ScanDeferred Auto-Reallocation Drive orientation InstallationDrive ID/option selection CoolingDrive mounting GroundingPage Cheetah 15K.6 FC Product Manual, Rev. D Link services supported Type of frame FC-AL featuresFibre Channel link service frames Interface requirementsFC Scsi FCP response codes Function name Response code Fibre Channel task management functionsFibre Channel task management responses Fibre Channel port login NPort login Plogi payload BytesNPort Login Accept ACC payload Bytes Fibre Channel port login acceptFibre Channel Process Login Process Login Plri payloadProcess Login Accept ACC payload Bytes Fibre Channel Process Login AcceptFibre Channel fabric login Fabric Login Flogi payload BytesFibre Channel fabric accept login Fabric Login Accept ACC payload BytesFibre Channel Arbitrated Loop options Scsi commands supportedDual port support FC-AL options supportedSupported commands Cheetah 15K.6 FC Product Manual, Rev. D Cheetah 15K.6 FC Product Manual, Rev. D Supported commands Cheetah 15K.6 FC inquiry data Bytes Data hex Mode Sense dataInquiry data Page Mode Data Header 000000 Cheetah 15K.6 FC Product Manual, Rev. D Supported Feature or condition Miscellaneous operating features and conditionsMiscellaneous features Miscellaneous statusPhysical description Physical characteristicsFC-AL physical interface Pin descriptions Connector requirementsElectrical description FC-AL transmitters and receivers FC-SCA pin descriptions Pin Signal name Signal typePin Signal name Signal type Power Fault LED OutMotor start controls Enable port bypass signalsActive LED Out Parallel Enclosure Services Interface ESI 11 SEL6 through SEL0 ID linesHex Dec SettingArbitrated loop physical address Alpa values Device control codes Signal characteristicsTTL input characteristics FC Differential input LED driver signalsFC Differential output Receive eye diagram Eye diagram data values Link rate GHz Cheetah 15K.6 FC Product Manual, Rev. D Presales Support Seagate Technology support servicesInternet Technical SupportData Recovery Services Call CenterToll-freeDirect dialFAX Warranty ServiceData Recovery Services Authorized Service Centers Index NumericsFC-AL Flogi Plogi Page See also cooling
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ST3450856FC specifications

The Seagate ST3146356FC, ST3300656FC, and ST3450856FC are hard disk drives designed for enterprise storage solutions, showcasing Seagate’s commitment to performance, reliability, and advanced technology in the data storage sector. These drives cater primarily to the needs of data centers and businesses requiring robust data management capabilities.

The ST3146356FC is notable for its 146GB capacity, 3.5-inch form factor, and 10,000 RPM spindle speed. It employs Serial Attached SCSI (SAS) interface technology, which ensures high data transfer rates and reliable connectivity. This model is designed to handle a multitude of demanding applications, such as online transaction processing and enterprise resource planning, requiring fast access to data and minimized latency.

The ST3300656FC, with a capacity of 300GB, continues the trend of high performance set by its predecessor. This drive also features the 10,000 RPM spindle speed and SAS interface, providing enhanced data throughput and optimized performance for intensive workloads. The drive is built with advanced error recovery features that enhance data integrity and reliability, making it suitable for critical applications where data loss is unacceptable.

The ST3450856FC offers even greater capacity, with a robust 450GB storage option. Like the other models, it operates at 10,000 RPM and utilizes the SAS interface. This drive is designed for scalability, ensuring that it can meet the evolving storage demands of enterprises. It is also equipped with sophisticated technologies such as Seagate's Enhanced S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology), providing continual monitoring of the drive’s health and performance metrics.

All three models share key characteristics, including advanced thermal and power management technologies that help maintain optimal operating temperatures and reduce energy consumption. This is crucial in data center environments where maximizing efficiency is vital for operational cost management. Additionally, Seagate's commitment to low acoustic noise levels ensures quieter operation, which is beneficial in environments where sound levels must be controlled.

In summary, the Seagate ST3146356FC, ST3300656FC, and ST3450856FC drives are engineered for enterprise environments demanding high reliability, speed, and capacity. Their advanced technologies, including SAS interface and enhanced error management systems, make these drives ideal for critical applications in data-intensive sectors. With reinforced durability, effectiveness in managing large volumes of data, and a focus on energy efficiency, these drives symbolize the pinnacle of Seagate's storage innovations for enterprise solutions.
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