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Cheetah 15K.7 SAS Product Manual, Rev. E

Contents

1.0

Seagate Technology support services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2.0

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

3.0

Standards, compliance and reference documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3.1

Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.1.1

Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3.2

Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.2.1

Electromagnetic compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3.3

European Union Restriction of Hazardous Substances (RoHS) . . . . . . . . . . . . . . . . . . . . . 4

3.4

Reference documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4.0

General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4.1

Standard features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.2

Media description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.3

Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.4

Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.5

Formatted capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.6

Programmable drive capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.7

Factory-installed options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5.0

Performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.1

Internal drive characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.2

Seek time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.2.1

Access time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.2.2

Format command execution time (minutes). . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5.2.3

General performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5.3

Start/stop time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5.4

Prefetch/multi-segmented cache control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

5.5

Cache operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.5.1

Caching write data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5.5.2

Prefetch operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

6.0

Reliability specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

6.1

Error rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.1.1

Recoverable Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

6.1.2

Unrecoverable Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

6.1.3

Seek errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6.1.4

Interface errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6.2

Reliability and service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.2.1

Annualized Failrue Rate (AFR) and Mean time between failure (MTBF). . . . . . 14

6.2.2

Preventive maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6.2.3

Hot plugging the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6.2.4

S.M.A.R.T. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

6.2.5

Thermal monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.2.6

Drive Self Test (DST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

6.2.7

Product warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

7.0

Physical/electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

7.1

AC power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

7.2

DC power requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7.2.1

Conducted noise immunity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

7.2.2

Power sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

7.2.3

Current profiles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

7.3

Power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

7.4

Environmental limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Содержание Cheetah 15K.7 SAS Series

Страница 1: ...eetah 15K 7 SAS 100516226 Rev E July 2011 Standard models ST3600057SS ST3450857SS ST3300657SS Self Encrypting Drive models ST3600957SS ST3450757SS ST3300557SS SED FIPS 140 2 models ST3600857SS ST34506...

Страница 2: ...the U S or Canadian governments All other trademarks or registered trademarks are the property of their respective owners No part of this publication may be reproduced in any form without written perm...

Страница 3: ...xecution time minutes 10 5 2 3 General performance characteristics 10 5 3 Start stop time 10 5 4 Prefetch multi segmented cache control 11 5 5 Cache operation 11 5 5 1 Caching write data 12 5 5 2 Pref...

Страница 4: ...9 Supported commands 39 10 0 Defect and error management 40 10 1 Drive internal defects errors 40 10 2 Drive error recovery procedures 40 10 3 SAS system errors 42 10 4 Background Media Scan 42 10 5 M...

Страница 5: ...15K 7 SAS Product Manual Rev E iii 12 4 7 Power 63 12 5 Signal characteristics 63 12 5 1 Ready LED Out 63 12 5 2 Differential signals 64 12 6 SAS 2 Specification compliance 64 12 7 Additional informa...

Страница 6: ...iv Cheetah 15K 7 SAS Product Manual Rev E...

Страница 7: ...Presales Technical support Global Support Services telephone numbers business hours Authorized Service Centers For information regarding Warranty Support visit http www seagate com www en us support w...

Страница 8: ...ll Disk Encryption FDE models before a differentiation between drive based encryption and other forms of encryp tion was necessary Note The Self Encrypting Drive models indicated on the cover of this...

Страница 9: ...ectromagnetic compatibility The drive as delivered is designed for system integration and installation into a suitable enclosure prior to use The drive is supplied as a subassembly and is not subject...

Страница 10: ...s model has the Korean Communications Commission KCC logo it complies with paragraph 1 of Article 11 of the Electromagnetic Compatibility EMC Control Regulation and meets the Electromagnetic Compatibi...

Страница 11: ...Serial Connector SFF 8460 HSS Backplane Design Guidelines SFF 8470 Multi Lane Copper Connector SFF 8482 SAS Plug Connector ANSI INCITS xxx Serial Attached SCSI SAS 2 Standard T10 1562 D ISO IEC 14776...

Страница 12: ...ontinue to leverage your existing investment in SCSI while gaining a 3Gb s serial data transfer rate Cheetah 15K 7 SAS SED models have provisions for Security of Data at Rest based on the standards de...

Страница 13: ...ied 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 ha...

Страница 14: ...to have A number other than zero and less than the maximum number of LBAs in the Number of Blocks field changes the total drive capacity to the value in the Number of Blocks field A value greater tha...

Страница 15: ...1 49 2 37 1 49 2 37 1 49 2 37 Gbits sec max Disk rotation speed 15k 15k 15k RPM Avg rotational latency 2 0 2 0 2 0 msec One Gbyte equals one billion bytes when referring to hard drive capacity Accessi...

Страница 16: ...one reallocation scheme Negligible Average rotational latency 2 0 msec Assumes system ability to support the rates listed and no cable loss 1 MB sec 1 000 000 bytes sec 5 3 Start stop time The drive a...

Страница 17: ...before any disk access is initiated If cache operation is not enabled the buffer is still used but only as circular buffer segments during disk medium read operations disregarding Prefetch operation...

Страница 18: ...nd after the data has been transferred into the cache but before the data has been written to the medium If an error occurs while writing the data to the medium and Good status has already been return...

Страница 19: ...detected and corrected by the drive and do not require user intervention Recoverable Data errors use retries and correction Application of ECC on the fly correction alone is not con sidered a Recover...

Страница 20: ...ction 7 4 may increase the AFR decrease the MTBF AFR and MTBF statistics are population statistics that are not relevant to individual units AFR and MTBF specifications are based on the following assu...

Страница 21: ...mal read and write operations When the PERF bit is set the drive is considered to be in On line Mode Only and will not perform off line functions You can measure off line attributes and force the driv...

Страница 22: ...unacceptable To accom plish this a counter is incremented each time the error rate is unacceptable and decremented not to exceed zero whenever the error rate is acceptable If the counter continually...

Страница 23: ...f a functional failure is encountered during DST The channel and servo parameters are not modified to test the drive more stringently and the number of retries are not reduced All retries and recovery...

Страница 24: ...hrough read write read operations The integrity of the media is checked through a read verify scan of the media Motor functionality is tested by default as a part of these tests The anticipated length...

Страница 25: ...r transporting the repair or replacement item to the customer For more detailed warranty information refer to the standard terms and conditions of purchase for Seagate products on your pur chase docum...

Страница 26: ...quirements for a single drive are shown below Values indicated apply at the drive connector The standard drive models and the SED drive models have identical hardware however the security and encrypti...

Страница 27: ...ting current random read Typical DC 1 6 1 0 44 1 15 0 45 1 17 Maximum DC 3 1 0 49 1 20 0 51 1 21 Maximum DC peak 3 1 32 3 00 1 34 3 00 Peak operating current random write Typical DC 1 6 1 0 51 1 03 0...

Страница 28: ...ting current random read Typical DC 1 6 1 0 45 1 01 0 47 1 02 Maximum DC 3 1 0 48 1 08 0 51 1 06 Maximum DC peak 3 1 28 2 90 1 30 2 84 Peak operating current random write Typical DC 1 6 1 0 52 0 90 0...

Страница 29: ...ance includes ripple noise and transient response Table 16 300 GB DC power requirements Notes 3 Gbit mode 6 Gbit mode Amps Amps Amps Amps Voltage 5V 12V 2 5V 12V 2 Regulation 5 5 5 2 5 5 2 Avg idle cu...

Страница 30: ...ed Where multiple units are powered on simultaneously the peak starting current must be available to each device 4 Parameters other than spindle start are measured after a 10 minute warm up 5 No termi...

Страница 31: ...Cheetah 15K 7 SAS Product Manual Rev E 25 Figure 1 Typical 600GB current profiles Figure 2 Typical 450GB current profiles...

Страница 32: ...26 Cheetah 15K 7 SAS Product Manual Rev E Figure 3 Typical 300GB current profiles...

Страница 33: ...power for typical random read operations refer to the following I O rate curve see Figure 4 Locate the typical I O rate for a drive in your system on the horizontal axis and read the corresponding 5 v...

Страница 34: ...pical random read operations refer to the following I O rate curve see Figure 4 Locate the typical I O rate for a drive in your system on the horizontal axis and read the corresponding 5 volt current...

Страница 35: ...perature a Operating The maximum allowable continuous or sustained HDA case temperature for the rated Annualized Failure Rate AFR is 122 F 50 C The maximum allowable HDA case temperature is 60 C Occas...

Страница 36: ...nd vibration Shock and vibration limits specified in this document are measured directly on the drive chassis If the drive is installed in an enclosure to which the stated shock and or vibration crite...

Страница 37: ...shock not exceeding the three values below shall not exhibit device damage or performance degradation 80 Gs at a duration of 11 msec half sinewave 300 Gs at a duration of 2 msec half sinewave 150 Gs a...

Страница 38: ...r Z axis b Operating abnormal Equipment as installed for normal operation shall not incur physical damage while subjected to periodic vibration not exceeding 15 minutes of duration at major resonant f...

Страница 39: ...ld films used in Seagate products are especially sensitive to the presence of sulfide chloride and nitrate contaminants Sulfur is found to be the most damaging In addition electronic components should...

Страница 40: ...0 36 014 146 99 MAX 5 787 MAX 131 17 5 164 85 60 3 370 41 15 1 620 2X 29 21 2X 1 150 1 45 057 3 17 125 20 14 793 50 80 2 000 101 60 25 4 000 010 2X 100 13 2X 3 942 98 42 3 875 20 68 814 33 40 1 315 0...

Страница 41: ...modules use independent accredited testing laborites to have their modules tested National Voluntary Laboratory Accreditation Program NVLAP accredited laboratories per form cryptographic module compli...

Страница 42: ...36 Cheetah 15K 7 SAS Product Manual Rev E Figure 10 Example of FIPS tamper evidence labels Note Image is for reference only may not represent actual drive...

Страница 43: ...and do not detract in any way from the performance of the drive The 32 byte Data Encryption Key DEK is a random number which is generated by the drive never leaves the drive and is inaccessible to the...

Страница 44: ...pped from the factory the drive is configured with a single data band called Band 0 also known as the Global Data Band which comprises LBA 0 through LBA max The host may allocate Band1 by specifying a...

Страница 45: ...er the security and encryption portion of the drive controller ASIC is enabled and functional in the SED models This represents a small additional drain on the 5V supply of about 30mA and a commensura...

Страница 46: ...ts growth list The P and G lists may be referenced by the initiator using the Read Defect Data command Details of the SCSI commands supported by the drive are described in the SAS Interface Manual Als...

Страница 47: ...s or AWRE bit for writes is one the RC bit is zero and the recov ery time limit for the command has not yet been met Time needed to perform reallocation is not counted against the recovery time limit...

Страница 48: ...errors Information on the reporting of operational errors or faults across the interface is given in the SAS Interface Manual The SSP Response returns information to the host about numerous kinds of e...

Страница 49: ...til Pre Scan completes Write performance testing should be performed after Pre Scan is complete This may be checked by reading the BMS status To expedite the scan of the full pack and subsequently exi...

Страница 50: ...ough the SAS connector The drive is shipped from the factory low level formatted in 512 byte logical blocks You need to reformat the drive only if you want to select a different logical block size 11...

Страница 51: ...The out of plane distortion X is determined by defining a plane with three of the four mounting points fixed and evaluating the out of plane deflection of the fourth mounting point when a known force...

Страница 52: ...agement functions Table 18 lists the SAS task management functions supported 12 1 2 task management responses Table 19 lists the SAS response codes returned for task management functions supported Tab...

Страница 53: ...me Full duplex The drive supports sending XFER_RDY DATA and RESPONSE transfers while receiving frames on both ports 12 3 SCSI commands supported Table 20 lists the SCSI commands supported by Cheetah 1...

Страница 54: ...N Temperature page 0Dh Y Verify Error Counter page 05h Y Write error counter page 02h Y Mode Select same pages as Mode Sense 1Ah 15h Y 2 Mode Select 10 same pages as Mode Sense 1Ah 55h Y Mode Sense 1A...

Страница 55: ...elease 17h Y Release 10 57h Y Request Sense 03h Y Actual Retry Count bytes Y Extended Sense Y Field Pointer bytes Y Reserve 16h Y 3rd Party Reserve Y Extent Reservation N Reserve 10 56h Y 3rd Party Re...

Страница 56: ...is supported N No Command is not supported A Support is available on special request Test Unit Ready 00h Y Verify 2Fh Y BYTCHK bit Y Write 0Ah Y Write and Verify 2Eh Y DPO bit Y Write Buffer modes 0 2...

Страница 57: ...ASCII digits representing the eight digits of the product serial number Bytes 18 through 26 reflect model of drive The table above shows the hex values for Model ST3600057SS Table 21 Cheetah 15K 7 inq...

Страница 58: ...media prior to shipping 3 Current values Current values are volatile values being used by the drive to control its operation A Mode Select command can be used to change the values identified as chang...

Страница 59: ...00 00 00 CHG 18 06 00 00 00 00 00 00 DEF 99 06 06 00 07 d0 00 00 CHG 99 06 10 00 ff ff ff ff DEF d9 01 00 64 00 06 00 02 00 00 00 00 10 29 0e 00 50 00 c5 00 00 68 64 a9 50 06 05 b0 00 29 2d d5 07 00...

Страница 60: ...HG 9c 0a 9d 0f ff ff ff ff ff ff ff ff DEF dc 01 00 0c 01 01 00 18 00 18 00 00 00 00 00 00 CHG dc 01 00 0c 00 01 ff ff ff ff 00 00 00 00 00 00 DEF 80 06 00 80 0f 00 00 00 CHG 80 06 b7 c0 8f 00 00 00 R...

Страница 61: ...0e 06 00 07 d0 00 00 00 00 00 00 00 00 00 00 CHG 99 0e 10 00 ff ff ff ff 00 00 00 00 00 00 00 00 DEF d9 01 00 64 00 06 00 02 00 00 00 00 10 29 0e 00 50 00 c5 00 00 15 4b 65 50 06 05 b0 00 29 28 55 07...

Страница 62: ...0a 9d 0f ff ff ff ff ff ff ff ff DEF dc 01 00 0c 01 01 00 18 00 18 00 00 00 00 00 00 CHG dc 01 00 0c 00 01 ff ff ff ff 00 00 00 00 00 00 DEF 80 06 00 80 0f 00 00 00 CHG 80 06 b7 c0 8f 00 00 00 READ C...

Страница 63: ...00 00 CHG 18 06 00 00 00 00 00 00 DEF 99 0e 06 00 07 d0 00 00 00 00 00 00 00 00 00 00 CHG 99 0e 10 00 ff ff ff ff 00 00 00 00 00 00 00 00 DEF d9 01 00 64 00 06 00 02 00 00 00 00 14 0a 0e 00 50 00 c5 0...

Страница 64: ...conditions Table 22 lists various features and conditions A Y in the support column indicates the feature or condition is supported An N in the support column indicates the feature or condition is no...

Страница 65: ...ical characteristics are provided within this section The operational aspects of Seagate s SAS drives are provided in the SAS Interface Manual Figure 12 Physical interface Table 23 Miscellaneous statu...

Страница 66: ...1 27 6X 1 27 14X 15 875 0 35MIN 15 875 33 43 0 05 B 4 90 0 08 0 84 0 05 22X 0 15 B P15 P1 S7 S1 SEE Detail1 0 30 0 05 4X 4 00 0 08 0 15 D 0 30 0 05 2X 41 13 0 15 B B C C A A 0 20 B 42 73 REF C OF DATU...

Страница 67: ...preferred connector manufacturer for mating part information The SAS device connector is illustrated in Figures 13 and 14 6 10 Detail A 0 30 0 05 x 45 5X 0 40 0 05 X 45 3X CORING ALLOWED IN THIS AREA...

Страница 68: ...pe Pin Signal name Signal type S1 Port A Ground P1 NC reserved 3 3Volts S2 Port A_in Diff input pair P2 NC reserved 3 3Volts S3 Port A_in P3 NC reserved 3 3Volts S4 Port A Ground P4 Ground S5 Port A_o...

Страница 69: ...ust be distributed as evenly as possible among the pins Current to the drive through the long power pins may be limited by the system to reduce inrush current to the drive during hot plugging 12 5 Sig...

Страница 70: ...e SNW 3 training gap The DFE circuit can derive an optimal equalization characteristic to compen sate for many of the receive losses in the system 2 A Feed Forward Equalizer FFE optimized to provide b...

Страница 71: ...11 busy status 59 C cache operation 11 cache segments 11 caching write data 12 Canadian Department of Communications 3 capacity unformatted 9 CBC 37 check condition status 59 chemical pollutants 33 C...

Страница 72: ...round shift noise 63 grounding 45 H HDA 44 45 head and disk assembly See HDA heads read write data 9 heat removal 44 heat source 44 host equipment 45 hot plugging the drive 14 humidity 30 humidity lim...

Страница 73: ...23 peak to peak measurements 24 performance characteristics detailed 9 general 10 performance degradation 31 performance highlights 7 physical damage 33 physical dimensions 34 physical interface 59 ph...

Страница 74: ...ng gap 64 spindle brake 7 standards 3 start stop time 10 Sulfur 33 support services 1 surface stiffness allowable for non flat surface 45 switches 44 synchronized spindle operation 58 system chassis 4...

Страница 75: ......

Страница 76: ...nited States 408 658 1000 ASIA PACIFIC Seagate Singapore International Headquarters Pte Ltd 7000 Ang Mo Kio Avenue 5 Singapore 569877 65 6485 3888 EUROPE MIDDLE EAST AND AFRICA Seagate Technology SAS...

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