Seagate ST3600057SS, 100516226, ST3300457SS manual Standard Features, Media Description, Performance

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3.1STANDARD FEATURES

Cheetah 15K.7 drives have the following standard features:

•1.5 / 3 / 6 Gbit Serial Attached SCSI (SAS) interface

•Integrated dual port SAS controller supporting the SCSI protocol

•Support for SAS expanders and fanout adapters

•Firmware downloadable using the SAS interface

•128 - deep task set (queue)

•Supports up to 32 initiators

•Jumperless configuration.

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

•Programmable logical block reallocation scheme

•Flawed logical block reallocation at format time

•Programmable auto write and read reallocation

•Reallocation of defects on command (Post Format)

•ECC maximum burst correction length of 320 bits

•No preventive maintenance or adjustments required

•Dedicated head landing zone

•Embedded servo design

•Automatic shipping lock

•Self diagnostics performed when power is applied to the drive

•Zone bit recording

•Vertical, horizontal, or top down mounting

•Dynamic spindle brake

•16 Mbyte data buffer

•Drive Self Test

•Background Media Scan

•Power Save

Cheetah 15K.7 SAS SED models have the following additional features:

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

•Controlled access

•Random number generator

•Drive locking

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

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

•Authenticated firmware download

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.

3.3PERFORMANCE

•Programable multi-segmented cache buffer

•600 Mbytes/sec maximum instantaneous data transfers

•15k RPM spindle. Average latency = 2.0 msec

•Background processing of queue

•Supports start and stop commands (spindle stops spinning)

•Adaptive seek velocity; improved seek performance

Note. There is no significant performance difference between Self-Encrypting Drive and standard (non-Self-Encrypting Drive models.

CHEETAH 15K.7 SAS PRODUCT MANUAL, REV. F

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Contents SED Fips 140-2 models Standard models Self-Encrypting Drive modelsPage Contents Interface Requirements Defect and Error ManagementInstallation About Fips About SELF-ENCRYPTING DrivesCheetah 15K.7 SAS Product MANUAL, REV. F III Seagate Technology Support Services SED ScopeFips 140-2 L Evel Compliance STANDARDS, Compliance and Reference DocumentsStandards European Union Restriction of Hazardous Substances Rohs Australian C-TickKorean KCC Taiwanese BsmiGeneral Description Performance Standard FeaturesMedia Description ST3600057SS ST3450857SS ST3300657FC FACTORY-INSTALLED OptionsReliability Formatted CapacitiesFormat command execution time minutes Performance CharacteristicsInternal Drive Characteristics Access timePREFETCH/MULTI-SEGMENTED Cache Control General performance characteristicsSTART/STOP Time Cache Operation Prefetch operation Caching write dataReliability and Service Reliability SpecificationsError Rates Controlling S.M.A.R.T Preventive maintenanceHot plugging the drive 4 S.M.A.R.TDetermining rate Performance impactMilliseconds Reporting controlDST failure definition Temperature Log Page 0DhParameter Code Description Drive Self Test DSTShort and extended tests State of the drive prior to testingImplementation Invoking DSTShipping Product warrantyLog page entries Abort600 GB DC power requirements PHYSICAL/ELECTRICAL SpecificationsAC Power Requirements DC Power Requirements450 GB DC power requirements 300 GB DC power requirements Current profiles Power sequencingConducted noise immunity Typical 450GB current profiles Power Dissipation Environmental Limits Temperature a. Operating300GB model Effective altitude sea level a. Operating Relative humidityShock Shock and vibrationRecommended mounting VibrationRoHS compliance statement Air cleanlinessAcoustics Corrosive environmentUnits of Measure mm inches Mechanical SpecificationsSeagate Enterprise SED PurposeValidation Program Random Number Generator RNG Controlled AccessAbout SELF-ENCRYPTING Drives Data EncryptionDrive Locking Authenticated Firmware DownloadPower Requirements Supported CommandsDrive Error Recovery Procedures Defect and Error ManagementDrive Internal DEFECTS/ERRORS Read and write retry count maximum recovery times SAS System ErrorsIdle Read After Write Background Media ScanMedia PRE-SCAN Deferred AUTO-REALLOCATIONCooling InstallationDrive Orientation Grounding Drive MountingTask management responses SAS FeaturesInterface Requirements Task management functionsCommands supported by Cheetah 15K.7 SAS family drives Scsi Commands SupportedCommands supported by Cheetah 15K.7 SAS family drives Commands supported by Cheetah 15K.7 SAS family drives Cheetah 15K.7 inquiry data Mode Sense dataInquiry data Cheetah 15K.7 SAS Product MANUAL, REV. F 11.3.2.1 600GBmodel Mode Sense data 11.3.2.2 450GB model Mode Sense data 11.3.2.3 300GB model Mode Sense data SAS physical interface Miscellaneous Operating Features and ConditionsSupported Feature or condition Miscellaneous featuresDatum B This Area Pin descriptions Physical characteristicsConnector requirements Electrical descriptionReady LED Out PowerSignal Characteristics SAS transmitters and receiversAdditional Information Differential signalsSAS-2 Specification Compliance BPSIndex Page SAS See also cooling Americas Seagate Technology LLC

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