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

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Figure 1.

Typical 600GB current profiles

Figure 2.

Typical 450GB current profiles

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Summary of Contents for Cheetah 15K

Page 1: ...tah 15K 7 SAS 100516226 Rev C September 2010 Standard models ST3600057SS ST3450857SS ST3300657SS Self Encrypting Drive models ST3600957SS ST3450757SS ST3300557SS SED FIPS 140 2 models ST3600857SS ST34...

Page 2: ...tered trademarks are the property of their respective owners No part of this publication may be reproduced in any form without written permission of Seagate Technology LLC Call 877 PUB TEK1 877 782 86...

Page 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...

Page 4: ...9 Supported commands 38 10 0 Defect and error management 39 10 1 Drive internal defects errors 39 10 2 Drive error recovery procedures 39 10 3 SAS system errors 41 10 4 Background Media Scan 41 10 5 M...

Page 5: ...15K 7 SAS Product Manual Rev C iii 12 4 7 Power 62 12 5 Signal characteristics 62 12 5 1 Ready LED Out 62 12 5 2 Differential signals 63 12 6 SAS 2 Specification compliance 63 12 7 Additional informa...

Page 6: ...iv Cheetah 15K 7 SAS Product Manual Rev C...

Page 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...

Page 8: ...ribes the interface general operation and security features available on SED drives Note Previous generations of Seagate Self Encrypting Drive models were called Full Disk Encryption FDE models before...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 29: ...ance includes ripple noise and transient response Table 15 300 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...

Page 30: ...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 terminat...

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 38: ...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 frequency...

Page 39: ...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 never b...

Page 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...

Page 41: ...tware com ponents Federal Information Processing Standard FIPS 140 2 Level 2 Certification requires drives to go through gov ernment agencies certifications to add requirements for physical tamper evi...

Page 42: ...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...

Page 43: ...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...

Page 44: ...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...

Page 45: ...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...

Page 46: ...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...

Page 47: ...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...

Page 48: ...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...

Page 49: ...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...

Page 50: ...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...

Page 51: ...agement functions Table 17 lists the SAS task management functions supported 12 1 2 task management responses Table 18 lists the SAS response codes returned for task management functions supported Tab...

Page 52: ...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 19 lists the SCSI commands supported by Cheetah 1...

Page 53: ...Y 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...

Page 54: ...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...

Page 55: ...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...

Page 56: ...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 20 Cheetah 15K 7 inq...

Page 57: ...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...

Page 58: ...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...

Page 59: ...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...

Page 60: ...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...

Page 61: ...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...

Page 62: ...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...

Page 63: ...nditions 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 not supported Table 21 Miscellaneous features Suppor...

Page 64: ...physical electrical and logical 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 Y...

Page 65: ...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...

Page 66: ...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...

Page 67: ...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...

Page 68: ...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...

Page 69: ...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...

Page 70: ...64 Cheetah 15K 7 SAS Product Manual Rev C...

Page 71: ...11 busy status 57 C cache operation 11 cache segments 11 caching write data 12 Canadian Department of Communications 3 capacity unformatted 9 CBC 36 check condition status 57 chemical pollutants 33 C...

Page 72: ...44 H HDA 43 44 head and disc assembly See HDA heads read write data 9 heat removal 43 heat source 43 host equipment 44 hot plugging the drive 14 humidity 30 humidity limits 29 I Idle Read After Write...

Page 73: ...measurements 24 performance characteristics detailed 9 general 10 performance degradation 31 performance highlights 7 physical damage 33 physical dimensions 34 physical interface 58 physical specific...

Page 74: ...63 spindle brake 7 standards 3 start stop time 10 Sulfur 33 support services 1 surface stiffness allowable for non flat surface 44 switches 43 synchronized spindle operation 57 system chassis 44 T tas...

Page 75: ......

Page 76: ...Seagate Technology LLC 920 Disc Drive Scotts Valley California 95066 4544 USA Publication Number 100516226 Rev C...

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