Seagate ST3146855FC, ST3300655FC, ST373455FC manual Standard features, Media description

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3.1Standard features

Cheetah 15K.5 FC drives have the following standard features:

•Perpendicular recording technology

•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

•1:1 interleave

•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

3.2Media description

The media used on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for improved durability and environmental protection.

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Cheetah 15K.5 FC Product Manual, Rev. D

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Contents Cheetah 15K.5 FC Page Cheetah 15K.5 FC Product Manual, Rev. D Cheetah 15K.5 FC Product Manual, Rev. D Contents Defect and error management InstallationInterface requirements Seagate Technology support services Cheetah 15K.5 FC Product Manual, Rev. D List of Figures Page Scope Cheetah 15K.5 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.5 FC Product Manual, Rev. D General description Standard features Media descriptionFormatted capacities PerformanceReliability Programmable drive capacityFactory-installed accessories Factory-installed optionsUser-installed accessories Seek performance characteristics Performance characteristicsInternal drive characteristics Access timeStart/stop time Format command execution time minutesGeneral performance characteristics Prefetch/multi-segmented cache controlCache operation Caching write dataPrefetch 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 Reporting controlDetermining rate Thermal monitorDrive Self Test DST State of the drive prior to testingParameter Code Description DST failure definitionShort test Function Code 001b Invoking DSTShort and extended tests Extended test Function Code 010bShipping Product warrantyAbort Product repair and return informationCheetah 15K.5 FC Product Manual, Rev. D DC power requirements Physical/electrical specificationsAC power requirements DC power requirements for ST3300655FC model Gbit AmpsDC power requirements for ST3146855FC model Gbit Amps DC power requirements for ST373455FC model Gbit AmpsConducted noise immunity General DC power requirement notesPower sequencing Current profilesTypical ST3300655FC drive, 4 Gbit, +12V current profile Typical ST3146855FC drive, 4 Gbit, +12V current profile Typical ST373455FC drive, 4 Gbit, +12V current profile Power dissipation ST3300655FCST3146855FC CURRENT/POWER vs Throughput FC 4GB ST3146855FCEnvironmental limits TemperatureST373455FC CURRENT/POWER vs Throughput FC 4GB ST373455FCShock and vibration Relative humidityEffective altitude sea level ShockPackage size Packaged/product weight Drop height Recommended mounting Acoustics Air cleanlinessVibration Corrosive environmentRoHS compliance statement Mechanical specifications Mounting configuration dimensionsCheetah 15K.5 FC Product Manual, Rev. D Defect and error management Drive internal defects/errorsDrive error recovery procedures Page FC-AL system errors Background Media ScanMedia Pre-Scan Deferred Auto-ReallocationIdle Read After Write Drive orientation InstallationDrive ID/option selection CoolingDrive mounting Air flowGrounding Cheetah 15K.5 FC Product Manual, Rev. D Link services supported Type of frame FC-AL featuresFibre Channel link service frames Interface requirementsFibre Channel task management functions Fibre Channel task management responsesFC Scsi FCP response codes Function name Response code 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 BytesFC-AL options supported Dual port supportFibre Channel Arbitrated Loop options Option SupportedScsi commands supported Supported commands Command code Command nameVerify error recovery page 07h Cheetah 15K.5 FC Product Manual, Rev. D Temperature page 0Dh Mode Sense data Inquiry dataCheetah 15K.5 FC inquiry data Bytes Data hex Page Mmode Sense 10 Byte Header Data Mode Sense 10 Byte Header Data 00 ae 00 10 00 00 00 08 08 8b b9 98 00 00 02 Supported Feature or condition Miscellaneous operating features and conditionsMiscellaneous features Miscellaneous statusPhysical characteristics FC-AL physical interfacePhysical description Connector requirements Electrical descriptionPin descriptions FC-SCA pin descriptions Pin Signal name Signal type Pin Signal name Signal typeFC-AL transmitters and receivers Power Fault LED OutEnable port bypass signals Active LED OutMotor start controls Parallel Enclosure Services Interface ESI 11 SEL6 through SEL0 ID linesSetting Arbitrated loop physical address Alpa valuesHex Dec Signal characteristics TTL input characteristicsDevice control codes LED driver signals FC Differential outputFC Differential input Receive eye diagram Eye diagram data values Link rate GHz Cheetah 15K.5 FC Product Manual, Rev. D Internet MySeagate Spp.seagate.com Seagate Technology support servicesWarranty Service Presales SupportData Recovery Services Authorized Service Centers Data Recovery ServicesFAX services-All Europe toll call Call center Presales and Technical Support Warranty ServiceToll-free support numbers Asia/Pacific support services Index NumericsFAN Flogi Plogi Page See also cooling

ST3146855FC, ST373455FC, ST3300655FC specifications

Seagate is renowned for its commitment to high-performance data storage solutions, and their range of enterprise drives, including the ST3300655FC, ST373455FC, and ST3146855FC, demonstrates this dedication. These models cater to businesses requiring robust, reliable, and efficient hard disk drives (HDDs) designed for demanding environments.

The ST3300655FC offers a capacity of 300 GB, making it suitable for a variety of enterprise applications. It utilizes a 15,000 RPM spindle speed, which significantly enhances its performance, delivering quick read and write times. This drive supports Serial Attached SCSI (SAS) interface, ensuring faster data transfer rates and reliability essential for critical computing environments. The dual-port connectivity of SAS allows for enhanced fault tolerance and redundancy, making the ST3300655FC ideal for data centers and enterprise storage systems.

Following closely, the ST373455FC provides a slightly larger capacity of 734 GB while maintaining the same 15,000 RPM speed. This drive's design focuses on high availability, making it an excellent choice for applications that require continuous uptime. Like its counterpart, it also benefits from the SAS interface, ensuring that data can be accessed quickly and reliably. The robust construction of the ST373455FC guarantees consistent performance under heavy workloads, an essential characteristic for enterprise use.

The ST3146855FC, with a capacity of 146 GB, offers a balance between speed and storage for enterprises that do not require the larger capacities provided by the other two models. It also operates at 15,000 RPM, benefiting from similar technological advancements as the ST3300655FC and ST373455FC. This drive maintains compatibility with existing systems, making it a versatile option for organizations looking to upgrade their storage solutions without overhauling their infrastructure.

All three models exhibit Seagate's commitment to durability and low power consumption, which is critical for reducing operational costs in data centers. They also feature advanced error recovery and data integrity technologies, ensuring that critical data remains intact and accessible. Enhanced thermal and vibration tolerance further extends the lifespan of these drives in challenging environments.

In summary, the Seagate ST3300655FC, ST373455FC, and ST3146855FC are tailored to meet the rigorous demands of enterprise environments. Their high spindle speeds, SAS connectivity, and robust designs make them exemplary choices for businesses seeking reliable and efficient storage solutions. Their distinctive features and technologies ensure that they deliver outstanding performance, data integrity, and durability, making them invaluable assets in any data-driven organization.
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