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Seagate Barracuda Hard Drives 300GB

1. Command name Command code Supported Mode Sense 10 Same pages as Mode Sense 1Ah 5Ah Y Prefetch 34h N Read 08h Y Read Buffer modes 0 2 3 Ah and Bh supported 3Ch Y Read Capacity 25h Y Read Defect Data 10 37h Y Read Defect Data 12 B7h Y Read Extended 28h Y DPO bit supported Y FUA bit supported Y Read Long 3Eh Y Reassign Blocks 07h Y Receive Diagnostic Results 1Ch Y Supported Diagnostics pages 00h Y Translate page 40h Y Release 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 Reserve Y Extent Reservation N Rezero Unit 01h Y Search Data Equal 31h N Search Data High 30h N Search Data Low 32h N Seek OBh Y Seek Extended 2Bh Y Send Diagnostics 1Dh Y Supported Diagnostics pages 00h Y Translate page 40h Y Set Limits 33h N Start Unit Stop Unit spindle ceases rotating 1Bh Y Synchronize Cache 35h Y 48 Cheetah 15K 7 SAS Product Manual Rev C Table 19 Commands supported by Cheetah 15K 6 SAS family drives continued Command name Command code Supported Test Unit Ready 00h Y Verify 2Fh Y BYTCHK bit Y Write OAh Y Write and Verify 2Eh Y DPO bit Y Write Buffer modes 0 2 supported 3Bh Y Firm
2. 18 00 e IMA 16 00 12VatA A Watts 14 00 0 00 0 0 50 0 100 0 150 0 200 0 250 0 300 0 350 0 400 0 450 0 I Os per Second Figure 4 ST3600057SS DC current and power vs input output operations per second Cheetah 15K 7 SAS Product Manual Rev C 27 450GB model Typical power dissipation under idle conditions in 6Gb operation is 9 97 watts 34 02 BTUs per hour To obtain operating 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 volt current 12 volt current and total watts on the vertical axis To calculate BTUs per hour multiply watts by 3 4123 813450857 SS CURRENT POWER vs THROUGHPUT SAS 6 0GB Random 8 Block Reads 18 00 e MA 16 00 12 Vot A A Wats 14 00 0 0 50 0 100 0 1 50 0 200 0 250 0 300 0 350 0 400 0 UOs per Second Figure 5 ST3450857SS DC current and power vs input output operations per second 28 Cheetah 15K 7 SAS Product Manual Rev C 300GB model Typical power dissipation under idle conditions in 6Gb operation is 8 71 watts 29 72 BTUs per hour To obtain operating 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 volt current 12 volt
3. Seagate E Product Manual Cheetah 15K 7 SAS Standard models Self Encrypting Drive models ST3600057SS ST3600957SS ST3450857SS ST3450757SS ST3300657SS ST3300557SS SED FIPS 140 2 models ST3600857SS ST3450657SS ST3300457SS 100516226 Rev C September 2010 2010 Seagate Technology LLC All rights reserved Publication number 100516226 Rev C September 2010 Seagate Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and or other countries Cheetah and SeaTools are either trademarks or registered trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and or other countries 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 permission of Seagate Technology LLC Call 877 PUB TEK1 877 782 8651 to request permission One gigabyte or GB equals one billion bytes and one terabyte or TB equals one trillion bytes Your computer s operating system may use a different standard of measurement and report a lower capacity In addition some of the listed capacity is used for formatting and other functions and thus will not be available for data storage Seagate reserves the right to change without notice product offerings or specifications Contents 1 0 Seagate Technology support ServiceS 000 c eee ees 1 2 0 S
4. 0 08 4 0 30 0 05 4 B U C SEE Detaill 33 43 0 05 5 15 875 P a Ly 41 27 14X 27 60 RH m 15 08 l pr 0 64 0 05 22X 0 15 B 4 4 90 0 08 0 35MIN la S1 S7 OF DATUM B Figure 13 SAS connector dimensions Cheetah 15K 7 SAS Product Manual Rev C 59 Detail A Bip oo S8 0 30 0 05 x 45 5X boo 2 25 0 05 r4 4 I H 0 40 0 05 X 45 3X 4 85 0 05 0 10B y CORING ALLOWED N THIS AREA 4 40 0 15 SEE Detail 2 R0 30 0 08 C A 95 0 08 i 45 Ny 0 35 0 05 3 90 0 15 lt SECTION C SECTION A A CONTACT SURFACE FLUSH 0 08 0 05 T0 DATUM A 0 03 i gt LLL i yx ee lt 1 90 0 08 iiiw ij SSS S N gt 30 t Detail 2 7 lt 2 40 m 0 10 A SECTION B B 0 08 t 0 05 D Figure 14 SAS connector dimensions 12 4 2 Physical characteristics This section defines physical interface connector 12 4 3 Connector requirements The SAS connector on the drive complies with SFF 8482 Contact your preferred connector manufacturer for mating part information The SAS device connector is illustrated in Figures 13 and 14 60 Cheetah 15K 7 SAS Product Manual Rev C 12 4 4 Electrical description
5. 18 ff ff 00 ff 00 00 9 ff 01 EE 00 00 00 00 00 00 00 00 00 00 A B C D Er Cheetah 15K 7 SAS Product Manual Rev C ASCII 53 12 3 2 2 450GB model Mode Sense data MODE DATA HEADER 01 76 00 10 00 00 00 08 BLOCK DESCRIPTOR 34 65 8 70 00 00 02 00 MODE PAGES DEF 81 Oa cO Ob ff 00 00 00 05 00 ff ff CHG 81 Oa ff ff 00 00 00 00 ff 00 ff ff DEF 82 Oe 00 00 00 00 00 00 00 00 01 3a 00 00 00 00 CHG 82 Oe 00 00 00 00 00 00 00 00 f f 00 00 00 00 DEF 83 16 bb d CHG 83 16 00 0 0 00 00 00 03 80 04 c4 02 0 0 00 00 00 00 00 00 00 00 0 O 01 00 cO 00 4c 40 00 00 00 0 00 00 00 00 00 00 00 00 00 O G oo oo oo DEF 84 16 01 8a 9a 06 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3a a7 00 00 CHG 84 16 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 DEF 87 Oa 00 Ob ff 00 00 00 00 00 ff ff CHG 87 Oa Of ff 00 00 00 00 00 00 ff ff DEF 88 12 14 0 CHG 88 12 a5 O ff ff 00 OO ff ff ff ff 80 20 00 00 00 00 00 00 00 00 ff ff ff ff 00 00 20 00 00 00 00 OO 00 00 C CS DEF 8a Oa 02 00 00 00 00 00 00 00 12 cO CHG 8a Oa 03 0 00 00 00 00 00 00 00 00 DEr 18 06 06 00 00 00 00 00 CHG 18 06 00 00 00 00 00 00 DEF 99 0e 06 00 07 dO 00 00 00 00 00 00 00 00 00 00 SO CHG 99 Oe 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 De 00 50 00 c5 00 00 15 4b
6. is enabled enabled by DRA 0 the drive enables prefetch of contiguous blocks from the disk when it senses that a prefetch hit will likely occur The drive disables prefetch when it decides that a prefetch hit is not likely to occur 12 Cheetah 15K 7 SAS Product Manual Rev C 6 0 Reliability specifications The following reliability specifications assume correct host and drive operational interface including all inter face timings power supply voltages environmental requirements and drive mounting constraints Seek error rate Less than 10 errors in 10 seeks Read Error Rates Recovered Data Less than 10 errors in 107 bits transferred OEM default settings Unrecovered Data Less than 1 sector in 1016 bits transferred Miscorrected Data Less than 1 sector in 10 bits transferred Interface error rate Less than 1 error in 1012 bits transferred MTBF 1 600 000 hours AFR 0 55 Preventive maintenance None required 6 1 Error rates The error rates stated in this manual assume the following The drive is operated per this specification using DC power as defined in this manual see Section 7 2 Errors caused by host system failures are excluded from error rate computations Assume random data Default OEM error recovery settings are applied This includes AWRE ARRE full read retries full write retries and full retry time Error rate specified with automatic retries and data correction with ECC enabled and all flaws re
7. resonances may occur internally to the enclosure resulting in drive movement in excess of the stated limits If this situation is apparent it may be necessary to modify the enclosure to minimize drive movement The limits of shock and vibration defined within this document are specified with the drive mounted by any of the four methods shown in Figure 8 and in accordance with the restrictions of Section 11 3 7 4 4 1 Shock a Operating normal The drive as installed for normal operation shall operate error free while subjected to intermittent shock not exceeding 15 Gs at a duration of 11 msec half sinewave 20 Gs at a duration of 2 msec half sinewave 60 Gs at a duration of 2 msec half sinewave when performing reads only 30 Cheetah 15K 7 SAS Product Manual Rev C Shock may be applied in the X Y or Z axis Shock is not to be repeated more than once every 2 seconds b Operating abnormal Equipment as installed for normal operation does not incur physical damage while subjected to intermit tent shock not exceeding 40 Gs at a duration of 11 msec half sinewave Shock occurring at abnormal lev els may promote degraded operational performance during the abnormal shock period Specified operational performance will continue when normal operating shock levels resume Shock may be applied in the X Y or Z axis Shock is not to be repeated more than once every 2 seconds c Non operating The limits of non operating shoc
8. 128 143 72 69 67 68 74 73 20 72 65 73 65 72 76 65 64 20 Copyright year changes with actual year A SCSI Revision support Refer to the appropiate SPC release documentation for definitions PP 10 Inquiry data for an Inquiry command received on Port A 30 Inquiry data for an Inquiry command received on Port B R Four ASCII digits representing the last four digits of the product firmware release number S Eight 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 50 Cheetah 15K 7 SAS Product Manual Rev C 12 3 2 Mode Sense data The Mode Sense command provides a way for the drive to report its operating parameters to the initiator The drive maintains four sets of mode parameters 1 Default values Default values are hard coded in the drive firmware stored in flash E PROM nonvolatile memory on the drive s PCB These default values can be changed only by downloading a complete set of new firmware into the flash E PROM An initiator can request and receive from the drive a list of default values and use those in a Mode Select command to set up new current and saved values where the values are change able 2 Saved values Saved values are stored on the drive s media using a Mode Select command Only parameter values that are allowed to be changed ca
9. 5 66 d6 50 00 00 00 80 00 00 01 00 00 88 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 cO 00 00 00 00 00 00 00 00 00 00 00 4c 00 00 00 00 00 40 00 00 00 3a a7 00 00 CHG d9 01 00 64 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 DEF CHG DEF 00 CHG 00 00 00 00 00 00 00 00 00 00 00 00 0 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 00 00 00 00 00 0 0 00 00 00 00 00 00 00 00 00 00 0 59 02 00 Oc 00 06 03 e8 00 00 00 00 00 00 59 02 00 Oc 00 00 f ff 00 00 00 00 00 00 59 03 00 2c 00 06 00 02 00 00 00 10 80 ac 00 01 00 10 80 ac 00 01 80 ac 00 01 80 a8 O 59 03 00 2c 00 00 00 00 00 00 00 00 00 00 00 0 00 0 00 0 0 00 00 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 56 0 0 1 80 ac 00 01 80 a8 00 00 Oa 00 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 66 d5 00 00 03 00 00 00 00 00 00 00 00 00 00 00 50 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Oa 00 00 00 Cheetah 15K 7 SAS Product Manual Rev C 9a 0a 00 02 00 00 00 05 00 00 8c a0 CHG 9a Oa 00 03 ff ff ff ff 00 00 00 00 Z E rz DEF 9c Oa 10 00 00 00 00 00 00 00 00 01 CHG 9c 0a 9d Of ff ff ff ff ff ff ff ff DEF dc 01 00 Oc 01 01 00 18 00 18 00 00 00 00 00 00 CHG dc 01 00 Oc 00 01 ff ff ff ff 00 00 00 00 00 00 DEF 380 06 00 80 0 0
10. 86 F 30 C per hour Air flow may be needed in the drive enclosure to keep within this range see Section 8 3 Operation at HDA case temperatures outside this range may adversely affect the drives ability to meet specifications To confirm that the required cooling for the electronics and HDA case is provided place the drive in its final mechanical configuration perform random write read operations and measure the HDA case temperature after it has stabilized Cheetah 15K 7 SAS Product Manual Rev C 29 b Non operating 40 to 158 F 40 to 70 C package ambient with a maximum gradient of 86 F 80 C per hour This specification assumes that the drive is packaged in the shipping container designed by Seagate for use with drive Figure 7 Location of the HDA temperature check point 7 4 2 Relative humidity The values below assume that no condensation on the drive occurs a Operating 5 to 95 non condensing relative humidity with a maximum gradient of 20 per hour b Non operating 5 to 95 non condensing relative humidity 7 4 3 Effective altitude sea level a Operating 1 000 to 10 000 feet 305 to 3 048 meters b Non operating 1 000 to 40 000 feet 305 to 12 210 meters 7 4 4 Shock and 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 criteria is applied
11. Cheetah 15K 7 SAS Product Manual Rev C 23 6 Operating condition is defined as random 8 block reads at 375 l Os per second for 600GB models and 380 I Os per second for 450GB and 300GB models Current and power specified at nominal voltages 7 During idle the drive heads are relocated every 60 seconds to a random location within the band from three quarters to maximum track General DC power requirement notes 1 Minimum current loading for each supply voltage is not less than 1 796 of the maximum operating current shown 2 The 5V and 12V supplies should employ separate ground returns 3 Where power is provided to multiple drives from a common supply careful consideration for individual drive power requirements should be noted 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 terminator power 7 2 1 Conducted noise immunity Noise is specified as a periodic and random distribution of frequencies covering a band from DC to 10 MHz Maximum allowed noise values given below are peak to peak measurements and apply at the drive power connector 5V 250 mV pp from 0 to 100 kHz to 20 MHz 12V 800 mV pp from 100 Hz to 8 KHz 450 mV pp from 8 KHz to 20 KHz 250 mV pp from 20 KHz to 5 MHz 7 2 2 Power sequencing The drive does not require power sequencing The drive protects ag
12. Device Reset message to abort the diagnostic You can abort a DST executing in background mode by using the abort code in the DST Function Code field This will cause a 01 self test aborted by the application client code to appear in the self test results values log All other abort mechanisms will be reported as a 02 self test routine was interrupted by a reset condition 6 2 7 Product warranty Beginning on the date of shipment to the customer and continuing for the period specified in your purchase contract Seagate warrants that each product including components and subassemblies that fails to function properly under normal use due to defect in materials or workmanship or due to nonconformance to the applica ble specifications will be repaired or replaced at Seagate s option and at no charge to the customer if returned by customer at customer s expense to Seagate s designated facility in accordance with Seagate s warranty procedure Seagate will pay for 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 documentation The remaining warranty for a particular drive can be determined by calling Seagate Customer Service at 1 800 468 3472 You can also determine remaining warranty using the Seagate web site www seagate com The drive serial number is required to determine remaining warranty i
13. E electrical description of connector 61 signal characteristics 62 specifications 20 electromagnetic compatibility 3 electromagnetic susceptibility 34 EMI requirements 3 encryption engine 36 encryption key 37 environment 43 environmental limits 29 requirements 13 environmental control 33 EraseMaster 36 error management 39 rates 13 errors 39 F FCC rules and regulations 3 features 7 interface 45 feed forward equalizer 63 FFE 63 FIPS 35 firmware 7 corruption 49 firmware download port 37 flawed sector reallocation 7 Format command execution time 10 function complete code 00 45 not supported code 05 45 reject code 04 45 G Global Data Band 37 Good status 57 gradient 30 ground shift noise 62 grounding 44 H HDA 43 44 head and disc assembly See HDA heads 66 read write data 9 heat removal 43 heat source 43 host equipment 44 hot plugging the drive 14 humidity 30 humidity limits 29 Idle Read After Write 42 inquiry data 50 installation 43 interface commands supported 46 errorrate 13 errors 14 illustrated 58 physical 58 requirements 45 intermediate condition met good status 58 intermediate good status 58 internal data rate 9 internal defects errors 39 internal drive characteristics 9 IRAW 42 J jumpers 43 L latency average rotational 9 10 Locking SP 36 LockOnReset 37 logical block address 11 logical block reallocation scheme 7 logical block size 7 10 logicalsegments 1
14. 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 Cheetah 15K 7 SAS Product Manual Rev C 7 Note There is no significant performance difference between Self Encrypting Drive and standard non Self Encrypting Drive models 4 4 Reliability 1 600 000 hour MTBF Annualized Failure Rate AFR of 0 55 Incorporates industry standard Self Monitoring Analysis and Reporting Technology S M A R T 5 year warranty 4 5 Formatted capacities Standard OEM models are formatted to 512 bytes per block The block size is selectable at format time and must be one of the supported sizes listed in the table below Seagate designs specify capacity points at certain block sizes that Seagate guarantees current and future products will meet We recommend customers use this capacity in their project planning as it ensures a stable operating point with backward and forward compatibility from generation to generation The current guaranteed operating points for this product are ST3600057SS ST3450857SS ST3300657FC ST3600957SS ST3450757SS ST3300557FC ST3600857SS ST3450657SS ST3300457SS Sector Size Decimal Hex Decimal Hex Decimal Hex 512 1 172 123 568 45DD2FBO 879 097 968 3465
15. SAS drives use the device connector for DC power SAS interface Activity LED This connector is designed to either plug directly into a backpanel or accept cables 12 4 5 Pin descriptions This section provides a pin out of the SAS device and a description of the functions provided by the pins Table 23 SAS pin descriptions Pin Signal name Signal type 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 PortA in P3 NC reserved 3 3Volts S4 Port A Ground P4 Ground S5 Port A out Diff output pair P5 Ground S6 Port A out P6 Ground S7 Port A Ground P7 5 Volts charge S8 Port B Ground P8 5 Volts S9 Port B in Diff input pair P9 5 Volts S10 Port B in P10 Ground S11 Port A Ground P11 Ready LED Open collector out 12 Port B_out Diff output pair P12 Ground S13 Port B out P13 12 Volts charge S14 Port B Ground P14 12 Volts P15 12 Volts Short pin to support hot plugging NC No connection in the drive Cheetah 15K 7 SAS Product Manual Rev C 61 12 4 6 SAS transmitters and receivers A typical SAS differential copper transmitter and receiver pair is shown in Figure 15 The receiver is AC cou pling to eliminate ground shift noise Differential Transfer Medium Figure 15 SAS transmitters and receivers
16. been applied If the drive receives a NOTIFY ENABLE SPINUP primitive through either port and has not received a START STOP UNIT command with the START bit equal to 0 the drive becomes ready for normal operations within 20 seconds excluding the error recovery procedure If the drive receives a START STOP UNIT command with the START bit equal to 0 before receiving a NOTIFY ENABLE SPINUP primitive the drive waits for a START STOP UNIT command with the START bit equal to 1 After receiving a START STOP UNIT command with the START bit equal to 1 the drive waits for a NOTIFY ENABLE SPINUP primitive After receiving a NOTIFY ENABLE SPINUP primitive through either port the drive becomes ready for normal operations within 20 seconds excluding the error recovery procedure 10 Cheetah 15K 7 SAS Product Manual Rev C If the drive receives a START STOP UNIT command with the START bit and IMMED bit equal to 1 and does not receive a NOTIFY ENABLE SPINUP primitive within 5 seconds the drive fails the START STOP UNIT command The START STOP UNIT command may be used to command the drive to stop the spindle Stop time is 30 sec onds maximum from removal of DC power There is no power control switch on the drive 5 4 Prefetch multi segmented cache control The drive provides a prefetch read look ahead and multi segmented cache control algorithms that in many cases can enhance system performance Cache refers to the drive buffer storage spac
17. current and total watts on the vertical axis To calculate BTUs per hour multiply watts by 3 4123 813300657 SS CURRENT POWER vs THROUGHPUT SAS 6 0GB Random 8 Block Reads 1 600 16 00 t IMA 1 400 14 00 a 12 VmMA Wats 1 200 12 00 3 e 1000 10 00 3 2 E 0 800 8 00 lt 0 600 600 0 400 4 00 0 200 2 00 0 000 0 00 0 0 50 0 100 0 150 0 200 0 250 0 300 0 350 0 400 0 V Os per Second Figure 6 ST3300657SS DC current and power vs input output operations per second 7 4 Environmental limits Temperature and humidity values experienced by the drive must be such that condensation does not occur on any drive part Altitude and atmospheric pressure specifications are referenced to a standard day at 58 7 F 14 8 C Maximum wet bulb temperature is 82 F 28 C 7 4 1 Temperature 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 Occasional excur sions of HDA case temperatures above 122 F 50 C or below 41 F 5 C may occur without impact to the specified AFR Continual or sustained operation at HDA case temperatures outside these limits may degrade AFR Provided the HDA case temperatures limits are met the drive meets all specifications over a 41 F to 131 F 5 C to 55 C drive ambient temperature range with a maximum temperature gradient of
18. data encryption in Cipher Block Chaining CBC mode to encrypt all data prior to being written on the media and to decrypt all data as it is read from the media The encryption engines are always in operation cannot be disabled 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 host system The DEK is itself encrypted when it is stored on the media and when it is in volatile temporary storage DRAM external to the encryption engine A unique data encryption key is used for each of the drive s possible16 data bands see Section 9 5 9 2 Controlled access The drive has two security partitions SPs called the Admin SP and the Locking SP These act as gate keepers to the drive security services Security related commands will not be accepted unless they also supply the correct credentials to prove the requester is authorized to perform the command 9 2 1 Admin SP The Admin SP allows the drive s owner to enable or disable firmware download operations see Section 9 4 Access to the Admin SP is available using the SID Secure ID password or the MSID Makers Secure ID password 9 2 2 Locking SP The Locking SP controls read write access to the media and the cryptographic erase feature Access to the Locking SP is available using the BandMasterX or EraseMaster passwords Since the drive
19. dd 2f bO 00 00 02 00 MODE PAGES DEF 81 0a cO Ob ff 00 00 00 0 CHG 81 Oa ff ff 00 00 00 00 f DEF 82 Oe 00 00 00 00 00 00 0 CHG 82 Oe 00 00 00 00 00 00 O DEF 83 16 bb d 0 00 00 00 0 C oC C CHG 83 16 00 O 0 00 00 00 0 DEF 84 16 01 8a 9a 08 00 00 0 CHG 84 16 00 00 00 00 00 00 0 DEF 87 0a 00 Ob ff 00 00 00 0 CHG 87 Oa Of ff 00 00 00 00 0 DEF 88 12 14 00 ff ff 00 00 f CHG 88 12 a5 00 00 00 ff ff f DEF 8a Oa 02 00 00 00 00 00 0 CHG 8a 0a 03 fO 00 00 00 00 0 DEF 18 06 06 00 00 00 00 00 CHG 18 06 00 00 00 00 00 00 DEF 99 06 06 00 07 dO 00 00 CHG 99 06 10 00 ff ff ff ff 5 00 f 00 0 00 0 00 3 80 0 00 0 00 0 00 0 00 0 00 f ff f EE 0 00 0 00 600GBmodel Mode Sense data ff ff 01 ff 04 00 00 00 EE ff ff 00 19 00 Ef ff 3a tf c4 00 00 00 ff ff ff 00 00 00 00 00 02 00 00 00 80 20 oo C3 63 OO 20 00 a C 36 oo 00 00 Da ao 0 00 00 00 00 00 00 00 00 cO 00 00 00 00 00 00 00 00 00 00 00 4c 00 00 00 00 00 40 00 00 00 3a a7 00 00 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 68 64 a9 00 88 aa 00 00 00 00 00 00 00 00 00 00 00 00 68 64 aa 50 06 05 b0 00 29 2d d4 06 00 00 00 29 2d d5 07 00 00 00 00 00 00 00 10 29 0e 00 5
20. in Section 7 2 for power requirements on the standard non SED drive models 9 9 Supported commands The SED models support the following two commands in addition to the commands supported by the standard non SED models as listed in Table 19 Security Protocol Out B5h Security Protocol In A2h 38 Cheetah 15K 7 SAS Product Manual Rev C 10 0 Defect and error management Seagate continues to use innovative technologies to manage defects and errors These technologies are designed to increase data integrity perform drive self maintenance and validate proper drive operation SCSI defect and error management involves drive internal defect error management and SAS system error considerations errors in communications between the initiator and the drive In addition Seagate provides the following technologies used to increase data integrity and drive reliability Background Media Scan see Section 10 4 Media Pre Scan see Section 10 5 Deferred Auto Reallocation see Section 10 6 Idle Read After Write see Section 10 7 The read error rates and specified storage capacities are not dependent on host initiator defect management routines 10 1 Drive internal defects errors During the initial drive format operation at the factory media defects are identified tagged as being unusable and their locations recorded on the drive primary defects list referred to as the P list and also as the ETF defect list At fa
21. meets the Electromagnetic Compatibility EMC Framework requirements of Australia s Spectrum Man agement Agency SMA Korean KCC If this 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 Compatibil ity Framework requirements of the Radio Research Laboratory RRL Ministry of Information and Communica tion Republic of Korea Taiwanese BSMI If this model has two Chinese words meaning EMC certification followed by an eight digit identification num ber as a Marking it complies with Chinese National Standard CNS 13438 and meets the Electromagnetic Compatibility EMC Framework requirements of the Taiwanese Bureau of Standards Metrology and Inspec tion BSMI 3 3 European Union Restriction of Hazardous Substances RoHS The European Union Restriction of Hazardous Substances RoHS Directive restricts the presence of chemical substances including Lead Pb in electronic products effective July 2006 A number of parts and materials in Seagate products are procured from external suppliers We rely on the rep resentations of our suppliers regarding the presence of RoHS substances in these parts and materials Our supplier contracts require compliance with our chemical substance restrictions and our suppliers document their compliance with our requirements by providing material content declarati
22. 0 00 00 00 ff ff 18 00 EEEE 00 00 02 00 00 ff 18 ff 00 ff 00 00 9 Cheetah 15K 7 SAS Product Manual Rev C 01 f 00 00 00 00 00 00 00 00 00 00 Ju Bu En spot m 55 12 3 2 3 300GB model Mode Sense data MOD 0 E DATA HEADER 1 76 00 10 00 00 00 08 BLOCK DESCRIPTOR 2 Z E z CHG DEF 00 2 ec b2 5c 00 00 02 00 ODE PAGES 81 Oa c0 Ob ff 00 00 00 05 00 ff ff 81 0a ff ff 00 00 00 00 ff 00 ff ff 82 0e 00 00 00 00 00 00 00 00 01 3a 00 00 82 0e 00 00 00 00 00 00 00 00 ff ff 00 00 83 16 bb dO 00 00 00 00 03 80 04 c4 02 00 83 16 00 00 00 00 00 00 00 00 00 00 00 00 84 16 01 8a 9a 04 00 00 00 00 00 00 00 00 84 16 00 00 00 00 00 00 00 00 00 00 00 00 87 0a 00 Ob ff 00 00 00 00 00 ff ff 87 0a Of ff 00 00 00 00 00 00 ff ff 88 12 14 00 ff ff 00 00 ff ff ff ff 80 20 88 12 a5 00 00 00 ff ff ff ff 00 00 20 00 8a 0a 02 00 00 00 00 00 00 00 0c 80 8a 0a 03 0 00 00 00 00 00 00 00 00 18 06 06 00 00 00 00 00 18 06 00 00 00 00 00 00 99 0e 06 00 07 d0 00 00 00 00 00 00 00 00 00 0 00 0 00 0 00 00 00 00 0 00 0 00 0 1 00 00 00 00 00 00 00 0 00 0 00 0 99 0e 10 00 ff ff ff ff 00 00 00 00 00 00 00 00 d9 01 00 64 00 06 00 02 00 00 00 00 14 0a 0e 00 50 00 c5 00 00 5f 00 80 00 00 00 01 00 00 00 00 00 00 00 88 aa 00 00 00 00 00 00 00 00 00 00 01 00 00 14 2a 0e 00 50 00 c5 00 00
23. 0 00 00 CHG 80 06 b7 cO 8 00 00 00 READ CAPACITY DATA READ BUFFER 1 2 3 4 5 6 7 8 9 A B C D E E ASCII 00000 22 EC B2 5B 00 00 02 00 12 4 Miscellaneous operating features and conditions Table 21 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 not supported Table 21 Miscellaneous features Supported Feature or condition N Automatic contingent allegiance Asynchronous event notification Synchronized locked spindle operation Segmented caching Zero latency read Queue tagging up to 64 queue tags supported Deferred error handling Parameter rounding controlled by Round bit in Mode Select page 0 Reporting actual retry count in Extended Sense bytes 15 16 and 17 Adaptive caching z i i i zi izz SMP 1 in Mode Select command needed to save RPL and rotational offset bytes Table 22 Miscellaneous status Supported Status Y Good Y Check condition Y Condition met good Y Busy Cheetah 15K 7 SAS Product Manual Rev C 57 Table 22 Miscellaneous status Supported Status Y Intermediate good Intermediate condition met good Reservation conflict Task set full ACA active Z Z lt lt lt ACA active faulted initiator 12 4 1 SAS p
24. 0 00 c5 00 00 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 CHG d9 01 00 64 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 00 00 00 00 00 00 00 00 00 DEF 59 02 00 Oc 00 06 03 e8 0 CHG 59 02 00 Oc 00 00 ff ff O 1 00 10 80 ac 00 01 80 ac 00 0 00 00 00 00 00 00 00 00 00 DEF 9a Oa 00 02 00 00 00 05 O 52 EF 59 03 00 2c 00 06 00 02 00 D 0 CHG 59 03 00 2c 00 00 00 00 00 0 00 00 00 00 00 0 00 8c a0 00 00 00 00 00 00 00 00 00 0 00 00 00 00 0 00 00 10 80 ac 01 00 00 00 00 00 00 00 00 00 00 01 0 00 00 0 00 00 00 00 0 0 o 80 ac 00 01 00 00 00 00 9 00 00 00 00 00 00 00 00 00 0 00 50 00 00 00 00 00 06 00 00 00 00 00 00 00 05 00 00 00 00 00 09 00 bO 01 00 00 00 00 00 00 00 88 00 00 0 00 00 Cheetah 15K 7 SAS Product Manual Rev C CHG 9a DEF 9c CHG 9c DEF dc CHG dc DEF 80 CHG 80 0a 0a 0a 01 01 06 06 00 10 9d 00 00 00 b7 READ CAPACITY READ BUFFER 000000 0 45 1 DD 03 ff 00 00 Of frt Oc Oc iO cO 8f DATA 2F AF f 00 00 00 00 00 00 02 ff 00 E DE 00 E 00 ff 00 ff
25. 1 maintenance 13 Makers Secure ID 36 maximum delayed motor start 21 22 23 maximum start current 21 22 23 media description 7 Media Pre Scan 42 miscellaneous feature support Adaptive caching 57 Asynchronous event notification 57 Automatic contingent allegiance 57 Deferred error handling 57 Parameter rounding 57 Queue tagging 57 Cheetah 15K 7 SAS Product Manual Rev C Reporting actual retry count 57 Segmented caching 57 SMP 1 in Mode Select command 57 Synchronized locked spindle operation 57 Zero latency read 57 miscellaneous status support ACA active 58 ACA active faulted initiator 58 Busy 57 Check condition 57 Condition met good 57 Good 57 Intermediate condition met good 58 Intermediate good 58 Reservation conflict 58 Task set full 58 miscorrected media data 13 Mode sense data table 51 mounting 44 holes 44 orientations 43 MSID 36 37 N noise audible 3 noise immunity 24 non operating 30 31 32 temperature 30 non operating vibration 33 O office environment 33 operating 30 32 option selection 61 out of plane distortion 44 P package size 31 package test specification 5 packaged 31 parameter rounding 57 password 36 37 passwords 36 PCBA 44 peak bits per inch 9 peak operating current 21 22 23 peak to peak measurements 24 performance characteristics detailed 9 general 10 performance degradation 31 performance highlights 7 Cheetah 15K 7 SAS Product Manual Rev C physical dam
26. 1116 1 0 41 0 88 0 42 0 90 Maximum DC 3o 1 0 42 0 95 0 43 0 95 Maximum DC peak 30 1 18 2 78 1 20 2 74 Peak operating current random write Typical DC 11161 1 0 48 0 80 0 49 0 81 Maximum DC 30 1 0 49 0 83 0 51 0 82 Maximum DC peak 30 1 18 2 68 1 20 2 66 Peak operating current Sequential read Peak operating current sequential write Typical DC 1116 1 0 91 0 59 0 92 0 59 Maximum DC 30 1 0 93 0 60 0 94 0 61 Maximum DC peak 30 1 20 0 98 1 24 1 00 Typical DC 1116 1 0 89 0 58 0 90 0 59 Maximum DC 30 1 0 93 0 60 0 94 0 60 Maximum DC peak 30 1 22 0 98 1 22 0 96 1 2 3 4 5 Measured with average reading DC ammeter or equivalent sampling scope Instantaneous 12V current peaks will exceed these values Power supply at nominal voltage N number of drives tested 6 35 Degrees C ambient For 12 V a 10 tolerance is allowed during initial spindle start but must return to 5 before reaching 15 000 RPM The 5 must be maintained after the drive signifies that its power up sequence has been completed and that the drive is able to accept selection by the host initiator See 12V current profile in Figure 1 This condition occurs after OOB and Speed Negotiation completes but before the drive has received the Notify Spinup primitive See paragraph 7 2 1 Conducted noise immunity Specified voltage tolerance includes ripple noise and transient response
27. 12 4 7 Power The drive receives power 5 volts and 12 volts through the SAS device connector Three 12 volt pins provide power to the drive 2 short and 1 long The current return for the 12 volt power supply is through the common ground pins The supply current and return current must be distributed as evenly as possible among the pins Three 5 volt pins provide power to the drive 2 short and 1 long The current return for the 5 volt power sup ply is through the common ground pins The supply current and return current must 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 Signal characteristics This section describes the electrical signal characteristics of the drive s input and output signals See Table 23 for signal type and signal name information 12 5 1 Ready LED Out The Ready LED Out signal is driven by the drive as indicated in Table 24 Table 24 Ready LED Out conditions Normal command activity LED status Ready LED Meaning bit mode page 19h 0 1 Spun down and no activity Off Off Spun down and activity command executing On On Spun up and no activity On Off Spun up and activity command executing Off On Spinning up or down Blinks steadily 50 on and 50 off 0 5 seconds on and off for 0 5 seconds Format in progress Toggles on off Write Same command
28. 15K 7 drives support Concurrent port transfers The drive supports receiving COMMAND TASK management transfers on both ports at the same time 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 15K 7 drives Table 19 Commands supported by Cheetah 15K 6 SAS family drives Command name Command code Supported Change Definition 40h Compare 39h Copy 18h Copy and Verify 3Ah Format Unit 1 04h DPRY bit supported DCRT bit supported STPF bit supported IP bit supported DSP bit supported IMMED bit supported VS vendor specific Inquiry 12h Date Code page C1h Device Behavior page C3h Firmware Numbers page COh Implemented Operating Def page 81h Jumper Settings page C2h Supported Vital Product Data page 00h Unit Serial Number page 80h Lock unlock cache 36h Log Select 4Ch PCR bit DU bit lt z lt lt z lt lt lt lt lt lt 2 lt lt lt lt z lt z z z z DS bit 46 Cheetah 15K 7 SAS Product Manual Rev G Table 19 Commands supported by Cheetah 15K 6 SAS family drives continued Command name Command code Supported TSD bit ETC bit TMC bit LP bit Log Sense 4Dh Application Client Log page OFh Buffer Over run Und
29. 3Gb s serial data transfer rate Cheetah 15K 7 SAS SED models have provisions for Security of Data at Rest based on the standards defined by the Trusted Computing Group see www trustedcomputinggroup org Note Never disassemble the HDA and do not attempt to service items in the sealed enclosure heads media actuator etc as this requires special facilities The drive does not contain user replaceable parts Opening the HDA for any reason voids your warranty Cheetah 15K 7 drives use a dedicated landing zone at the innermost radius of the media to eliminate the pos sibility of destroying or degrading data by landing in the data zone The heads automatically go to the landing zone when power is removed from the drive An automatic shipping lock prevents potential damage to the heads and disks that results from movement dur ing shipping and handling The shipping lock disengages and the head load process begins when power is applied to the drive The drives also use a high performance actuator assembly with a low inertia balanced patented straight arm design that provides excellent performance with minimal power dissipation 6 Cheetah 15K 7 SAS Product Manual Rev C 4 1 Standard features Cheetah 15K 7 drives have the following standard features e 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 download
30. 5 Materials used in cabinet fabrication such as vulca nized rubber that can outgas corrosive compounds should be minimized or eliminated The useful life of any electronic equipment may be extended by replacing materials near circuitry with sulfide free alternatives 7 4 8 RoHS compliance statement The European Union Restriction of Hazardous Substances RoHS Directive restricts the presence of chemical substances including Lead Pb in electronic products effective July 2006 A number of parts and materials in Seagate products are procured from external suppliers We rely on the representations of our suppliers regarding the presence of RoHS substances in these parts and materials Our supplier contracts require compliance with our chemical substance restrictions and our suppliers document their compliance with our requirements by providing material content declarations for all parts and materials for the disc drives documented in this publication Current supplier declarations include disclosure of the inclusion of any RoHS regulated substance in such parts or materials Seagate also has internal systems in place to ensure ongoing compliance with the RoHS Directive and all laws and regulations which restrict chemical content in electronic products These systems include standard operat ing procedures that ensure that restricted substances are not utilized in our manufacturing operations labora tory analytical validation testing and an inte
31. 65 50 06 05 bO 00 29 28 55 07 00 00 00 00 00 00 00 88 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 10 29 Oe 00 50 00 c5 00 00 15 4b 66 50 06 05 bO 00 29 28 54 06 00 00 00 00 00 00 00 88 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 CHG d9 01 00 64 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 DEF 59 02 00 Oc 00 06 03 e8 0 CHG 59 02 00 Oc 00 00 ff ff O 00 00 00 00 0 00 00 00 00 0 00 0 00 0 OV O S DEF 59 03 00 2c 00 06 00 02 00 00 00 10 80 ac 00 01 80 ac 00 01 00 00 00 00 00 00 09 00 00 01 00 10 80 ac 00 01 80 ac 00 01 00 00 00 00 00 00 09 00 CHG 59 03 00 2c 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Jc EF 9a 0a 00 02 00 00 00 05 0 HG 9a 0a 00 03 ff ff ff ff O 00 8c a0 00 00 00 o Q 54 Cheetah 15K 7 SAS Product Manual Rev C DEF 9c CHG 9c DEF dc CHG dc DEF 80 0a 0a 01 01 06 10 9d 00 00 00 CHG 80 06 b7 READ CAPACITY READ BUFFER 000000 0 34 1 65 00 00 Of ff Oc 01 Oc 00 80 Of cO 8f DATA 2 43 F8 6F 00 ff 01 01 00 00 00 00 00 ff 00 0
32. COP ei 2 Sear sag eeu reus utes vus cua erate rer addu Saa ala tans one cate aaa asas s 2 3 0 Standards compliance and reference documents 3 3 1 Standards s va auta etuer aap Ducis ger AA Alena t add tw aad T dr cays 3 3 1 1 Electromagnetic compatibilily 3 3 2 Compliance 12 23 edem ele dado da D Eit EE E ed Es 4 3 2 1 Electromagnetic compliance 4 3 3 European Union Restriction of Hazardous Substances RoHS 4 3 4 Reference documents en 5 4 0 General description cis eee ea ee ee da ee 6 4 1 Standard features 1 22 2 5g eee Ae ede a eae RAR E RC e ee ca ened Le 7 4 2 Media description x se gs t Sur Cas ce ee tenes 7 4 3 Performance iene recap he n vIMREP NEUE Hue shales ali abs s ba hua sasawa Hae ees 7 4 4 IAeliability aire taa etus sid ete ask e Buta araya we dus a ies aie dr s 8 4 5 Formatted capacities wooden merece ek la a aqha yun and 8 4 6 Programmable drive capacity 0000 cee ses 8 4 7 Factory installed options 8 5 0 Performance characterisStiCS oo oooooornonrrnsaran eee m mn 9 5 1 Internal drive characteristics 9 5 2 SD CDI 9 5 2 1 Access lm y a u isu urma dU NR Prev Mte ette aaa etre dn te ER ad 9 5 2 2 Format command execu
33. F870 585 937 500 22ECB25C 520 1 147 307 694 446286AE 860 480 771 3349E503 573 653 848 22314358 524 1 132 015 600 43792FF0 849 011 700 329AE3F4 566 007 800 21BC97F8 528 1 115 749 560 4280FCB8 836 812 167 31E0BD87 557 874 778 21407E5A 4 6 Programmable drive capacity Using the Mode Select command the drive can change its capacity to something less than maximum See the Mode Select 6 parameter list table in the SAS Interface Manual part number 100293071 A value of zero in the Number of Blocks field indicates that the drive will not change the capacity it is currently formatted 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 than the maximum number of LBAs is rounded down to the maximum capacity 4 7 Factory installed options You may order the following items which are incorporated at the manufacturing facility during production or packaged before shipping Some of the options available are not an exhaustive list of possible options Other capacities can be ordered depending on sparing scheme and sector size requested Single unit shipping pack The drive is normally shipped in bulk packaging to provide maximum protection against transit damage Units shipped individually require additional protection as provided by the single unit shipping pack Users planning single unit distribution should spe
34. IND xx 7z L 41 15 1 620 Z 4 22X 90 166X 90 793 X X 2X 29 21 610 ZXY 1 1 2X 1 150 amp 101 60 25 3 17 125 DRIVE 4 000 010 CENTER 50 80 zi LINE 2 000 2X 100 13 I 2X 3 942 20 68 814 t 98 42 X x 3 875 fhe 4 L z e 33 40 1 315 LJ 1 0 76 A 9 6 030 2 X Y n I 0 13 S AN T oos X CONNECTOR 36 37 quc E mE z TAB CENTERLINE 1 432 1384 015 0 99 1102 S 039 Z X Y 010 om 016 Figure 9 Physical dimensions 34 Cheetah 15K 7 SAS Product Manual Rev C 8 0 About FIPS The Federal Information Processing Standard FIPS Publication 140 2 FIPS PUB 140 2 is a U S govern ment computer security standard used to accredit cryptographic modules It is titled Security Requirements for Cryptographic Modules The initial publication was on May 25 2001 and was last updated December 3 2002 Purpose The National Institute of Standards and Technology NIST issued the FIPS 140 Publication Series to coordi nate the requirements and standards for cryptography modules that include both hardware and software 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 evidence and role based authentica tion Level 2 security Level 2 improves upon the physical securit
35. able 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 4 2 Media 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 4 3 Performance
36. age 33 physical dimensions 34 physical interface 58 physical specifications 20 pin descriptions 61 power 62 dissipation 27 requirements AC 20 requirements DC 20 sequencing 24 power distribution 3 PowerCycle 37 prefetch multi segmented cache control 11 preventive maintenance 13 protection of data at rest 36 Q queue tagging 57 R radio interference regulations 3 Random number generator 37 RCD bit 11 read error rates 13 39 read write data heads 9 receivers 62 recommended mounting 32 Recoverable Errors 13 recovered media data 13 reference documents 5 relative humidity 30 reliability 8 specifications 13 reliability and service 14 repair and return information 19 reporting actual retry count 57 reservation conflict status 58 resonance 30 return information 19 RNG 37 rotation speed 9 S safety 3 SAS interface 61 physical interface 58 task management functions 45 SAS documents 5 SAS Interface Manual 3 5 SCSI interface commands supported 46 Secure ID 36 67 security partitions 36 Security Protocol In 36 Security Protocol Out 36 seek error defined 14 rate 13 seek performance characteristics 9 seek time average typical 9 full stroke typical 9 single track typical 9 segmented caching 57 self encrypting drives 36 Self Monitoring Analysis and Reporting Technology 8 15 Serial Attached SCSI SAS Interface Manual 2 shielding 3 shipping 19 shipping container 30 shock 30 31 and vibration 30 shock mo
37. ainst inadvertent writing during power up and down 7 2 3 Current profiles The 12V and 5V current profiles are shown below in the following figures Note All times and currents are typical See Tables 13 14 and 15 for maximum current requirements 24 Cheetah 15K 7 SAS Product Manual Rev C C2 and F1 12V spinup current profile gt gt a A a aa a Figure 1 Typical 600GB current profiles C2 and F1 12V spinup current profile gt gt A A A AAA A A A A A A A SP A A A A A Figure 2 Typical 450GB current profiles Cheetah 15K 7 SAS Product Manual Rev C C2 and F1 12V spinup current profile gt gt C3 and F2 5V spinup current profile 1 00 Ajdiy 500 mA div 3 000 A ofst 1 500 A ofst Figure 3 Typical 300GB current profiles 26 Cheetah 15K 7 SAS Product Manual Rev C 7 3 Power dissipation 600GB model Typical power dissipation under idle conditions in 6Gb operation is 11 62 watts 39 65 BTUs per hour To obtain operating 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 volt current 12 volt current and total watts on the vertical axis To calculate BTUs per hour multiply watts by 3 4123 813600057 SS CURRENT POWER vs THROUGHPUT SAS 6 0GB Random 8 Block Reads
38. all be 3 4 bels typical when measured to ISO 7779 specification Sound power while operating shall be 3 8 bels typical when measured to ISO 7779 specification There will not be any discrete tones more than 10 dB above the masking noise on typical drives when mea sured according to Seagate specification 30553 001 There will not be any tones more than 24 dB above the masking noise on any drive 7 4 6 Air cleanliness The drive is designed to operate in a typical office environment with minimal environmental control 7 4 7 Corrosive environment Seagate electronic drive components pass accelerated corrosion testing equivalent to 10 years exposure to light industrial environments containing sulfurous gases chlorine and nitric oxide classes G and H per ASTM B845 However this accelerated testing cannot duplicate every potential application environment Users should use caution exposing any electronic components to uncontrolled chemical pollutants and corro sive chemicals as electronic drive component reliability can be affected by the installation environment The sil ver copper nickel and gold 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 never be exposed to condensing water on the surface of the printed circuit board assembly PCBA or exposed to an ambient relative humidity greater than 9
39. allocated 6 1 1 Recoverable Errors Recoverable errors are those 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 Recovered Data error Recovered Data error rate is determined using read bits transferred for recoverable errors occurring during a read and using write bits transferred for recoverable errors occurring during a write 6 1 2 Unrecoverable Errors Unrecoverable Data Errors Sense Key 03h are specified at less than 1 sector in error per 1019 bits trans ferred Unrecoverable Data Errors resulting from the same cause are treated as 1 error for that block Cheetah 15K 7 SAS Product Manual Rev C 13 6 1 3 Seek errors A seek error is defined as a failure of the drive to position the heads to the addressed track After detecting an initial seek error the drive automatically performs an error recovery process If the error recovery process fails a seek positioning error Error code 15h or 02h will be reported with a Hardware error 04h in the Sense Key Recoverable seek errors are specified at Less than 10 errors in 108 seeks Unrecoverable seek errors Sense Key 04h are classified as drive failures 6 1 4 Interface errors An interface error is defined as a failure of the receiver on a port to recover the data as transmitted by the device port connected to the receiver The e
40. as necessary Model Number Capacity Self Encrypting Drive SED FIPS 140 2 Level 2 certified ST3600057SS No No ST3600957SS 600GB Yes No ST3600857SS Yes Yes ST3450857SS No No ST3450757SS 450GB Yes No ST3300457SS Yes Yes ST3300657SS No No ST3300557SS 300GB Yes No ST3300457SS Yes Yes For more information on FIPS 140 2 Level 2 certification see Section 8 0 on page 35 2 Cheetah 15K 7 SAS Product Manual Rev C 3 0 Standards compliance and reference documents The drive has been developed as a system peripheral to the highest standards of design and construction The drive depends on its host equipment to provide adequate power and environment for optimum performance and compliance with applicable industry and governmental regulations Special attention must be given in the areas of safety power distribution shielding audible noise control and temperature regulation In particular the drive must be securely mounted to guarantee the specified performance characteristics Mounting by bot tom holes must meet the requirements of Section 11 3 3 1 Standards The Cheetah 15K 7 SAS family complies with Seagate standards as noted in the appropriate sections of this manual and the Seagate SAS Interface Manual part number 100293071 The drives are recognized in accordance with UL 60950 1 and CSA 60950 1 as tested by UL and EN60950 1 as tested by TUV The security features o
41. at has not yet been written to the medium If write caching is enabled WCE 1 then the drive may return Good status on a write command 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 returned a deferred error will be gen erated The Synchronize Cache command may be used to force the drive to write all cached write data to the medium Upon completion of a Synchronize Cache command all data received from previous write commands will have been written to the medium Table 12 3 2 1 shows the mode default settings for the drive 5 5 2 Prefetch operation If the Prefetch feature is enabled data in contiguous logical blocks on the disk immediately beyond that which was requested by a Read command are retrieved and stored in the buffer for immediate transfer from the buf fer to the host on subsequent Read commands that request those logical blocks this is true even if cache operation is disabled Though the prefetch operation uses the buffer as a cache finding the requested data in the buffer is a prefetch hit not a cache operation hit To enable Prefetch use Mode Select page 08h byte 12 bit 5 Disable Read Ahead DRA bit DRA bit 0 enables prefetch The drive does not use the Max Prefetch field bytes 8 and 9 or the Prefetch Ceiling field bytes 10 and 11 When prefetch read look ahead
42. aximum recovery times 1 Read retry Maximum recovery time per LBA Write retry Maximum recovery time per LBA count cumulative msec count cumulative msec 0 51 87 0 23 94 1 59 85 1 35 91 2 203 49 2 39 9 3 231 42 3 51 87 4 295 26 4 79 8 5 327 18 5 default 107 73 6 359 10 7 446 88 8 538 65 9 570 57 10 598 50 11 default 1 534 97 1 These values are subject to change Setting these retry counts to a value below the default setting could result in degradation of the unrecov ered error rate which may exceed the value given in this product manual A setting of zero 0 will result in the drive not performing error recovery For example suppose the read write recovery page has the RC bit set to 0 read retry count set to 4 and the recovery time limit field Mode Sense page 01 bytes 10 and 11 set to FF FF hex maximum A four LBA Read command is allowed to take up to 253 11 msec recovery time for each of the four LBAs in the command If the recovery time limit is set to 00 C8 hex 200 msec decimal a four LBA read command is allowed to take up to 200 msec for all error recovery within that command The use of the Recovery Time Limit field allows finer granularity on control of the time spent in error recovery The recovery time limit only starts counting when the drive is executing error recovery and it restarts on each command There fore each command s total recovery time
43. b for the extended test in bytes 1 bits 5 6 and 7 6 2 6 2 3 Short and extended tests DST has two testing options 1 short 2 extended These testing options are described in the following two subsections Each test consists of three segments an electrical test segment a servo test segment and a read verify scan segment Short test Function Code 001b The purpose of the short test is to provide a time limited test that tests as much of the drive as possible within 120 seconds The short test does not scan the entire media surface but does some fundamental tests and scans portions of the media A complete read verify scan is not performed and only factual failures will report a fault condition This option provides a quick confidence test of the drive Extended test Function Code 010b The objective of the extended test option is to empirically test critical drive components For example the seek tests and on track operations test the positioning mechanism The read operation tests the read head element and the media surface The write element is tested through 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 of the Extended test is reported through the Control Mode page 6 2 6 2 4 Log page entries When the drive begins DST it creates a new entry in the Self test Results Lo
44. cify this option The Safety and Regulatory Agency Specifications part number 75789512 may be included with each stan dard OEM drive shipped 8 Cheetah 15K 7 SAS Product Manual Rev C 5 0 Performance characteristics This section provides detailed information concerning performance related characteristics and features of Cheetah 15K 7 drives 5 1 Internal drive characteristics ST36000575S ST3450857SS ST3300657SS ST36009575S ST3450757SS ST3300557SS ST36008575S ST3450657SS ST3300457SS Drive capacity 600 450 300 Gbytes formatted rounded off value Read write data heads 8 6 4 Tracks per inch 165 000 165 000 165 000 TPI Peak bits per inch 1 361 1 361 1 361 KBPI Areal Density 225 225 225 Gbits inch Internal data rate 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 Accessible capacity may vary depending on operating environment and formatting 5 2 Seek time See Section 12 4 1 SAS physical interface on page 58 and the SAS Interface Manual part number 100293071 for additional timing details 5 2 1 Access time Not Including controller overhead 2 msec Read Write Average Typical 3 4 3 9 Single track Typical 0 2 0 44 Full stroke Typical 6 6 7 4 1 Typical access times are measured under nominal conditions of temperature voltage and horizontal orientation as m
45. ct Manual Rev C 1 0 Seagate Technology support services SEAGATE ONLINE SUPPORT and SERVICES For information regarding products and services visit http www seagate com www en us about contact_us Available services include Presales amp Technical support Global Support Services telephone numbers amp business hours Authorized Service Centers For information regarding Warranty Support visit http www seagate com www en us support warranty amp returns assistance For information regarding Data Recovery Services visit http www i365 com For Seagate OEM amp Distribution partner portal visit hitps direct seagate com portal system For Seagate reseller portal visit http sop seagate com Cheetah 15K 7 SAS Product Manual Rev C 2 0 Scope This manual describes Seagate Technology LLC Cheetah SAS Serial Attached SCSI disk drives Cheetah 15K 7 drives support the SAS Protocol specifications to the extent described in this manual The SAS Interface Manual part number 100293071 describes the general SAS characteristics of Cheetah 15K 7 and other Seagate SAS drives The Self Encrypting Drive SED Users Guide part number 100515636 describes 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 a differentiation between drive based encryption and other forms of encryp tion w
46. ctory format time these known defects are also reallocated that is reassigned to a new place on the medium and the location listed in the defects reallocation table The P list is not altered after factory formatting Locations of defects found and reallocated during error recovery procedures after drive shipment are listed in the G list defects 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 nterface Manual Also more information on the drive Error Recovery philosophy is presented in the SAS nterface Manual 10 2 Drive error recovery procedures When an error occurs during drive operation the drive if programmed to do so performs error recovery proce dures to attempt to recover the data The error recovery procedures used depend on the options previously set in the Error Recovery Parameters mode page Error recovery and defect management may involve using sev eral SCSI commands described in the SAS Interface Manual The drive implements selectable error recovery time limits required in video applications The error recovery scheme supported by the drive provides a way to control the total error recovery time for the entire command in addition to controlling the recovery level for a single LBA The total amount of time spent in error recovery for a command can be limited using the Recovery Tim
47. d Table 12 Temperature Log Page ODh Parameter Code Description 0000h Primary Temperature 0001h Reference Temperature 6 2 6 Drive Self Test DST Drive Self Test DST is a technology designed to recognize drive fault conditions that qualify the drive as a failed unit DST validates the functionality of the drive at a system level There are two test coverage options implemented in DST 1 Extended test 2 Short test The most thorough option is the extended test that performs various tests on the drive and scans every logical block address LBA of the drive The short test is time restricted and limited in length it does not scan the entire media surface but does some fundamental tests and scans portions of the media If DST encounters an error during either of these tests it reports a fault condition If the drive fails the test remove it from service and return it to Seagate for service 6 2 6 1 DST failure definition The drive will present a diagnostic failed condition through the self tests results value of the diagnostic log page if 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 processes are enabled during the test If data is recoverable no failure condition will be reported regardless of the number of retries required to recover the data The fol
48. d A zero 0 indicates the value is not changeable For example in Table 12 3 2 1 refer to Mode page 81 in the row entitled CHG These are hex numbers representing the changeable values for Mode page 81 Note in columns 5 and 6 bytes 04 and 05 there is 00h which indicates that in bytes 04 and 05 none of the bits are changeable Note also that bytes 06 07 09 10 and 11 are not changeable because those fields are all zeros In byte 02 hex value FF equates to the binary pattern 11111111 If there is a zero in any bit position in the field it means that bit is not changeable Since all of the bits in byte 02 are ones all of these bits are changeable The changeable values list can only be changed by downloading new firmware into the flash E PROM Note Because there are often several different versions of drive control firmware in the total population of drives in the field the Mode Sense values given in the following tables may not exactly match those of some drives The following tables list the values of the data bytes returned by the drive in response to the Mode Sense com mand pages for SCSI implementation see the SAS Interface Manual Definitions DEF Default value Standard OEM drives are shipped configured this way CHG Changeable bits indicates if default value is changeable Cheetah 15K 7 SAS Product Manual Rev C 51 12 3 2 1 MODE DATA HEADER 01 6e 00 10 00 00 00 08 BLOCK DESCRIPTOR 45
49. e Limit bytes in the Error Recovery mode page The total amount of time spent in error recovery for a single LBA can be limited using the Read Retry Count or Write Retry Count bytes in the Error Recovery mode page The drive firmware error recovery algorithms consists of 13 levels for read recoveries and five levels for write Each level may consist of multiple steps where a step is defined as a recovery function involving a single re read or re write attempt The maximum level used by the drive in LBA recovery is determined by the read and write retry counts Cheetah 15K 7 SAS Product Manual Rev C 39 Table 16 equates the read and write retry count with the maximum possible recovery time for read and write recovery of individual LBAs The times given do not include time taken to perform reallocations Reallocations are performed when the ARRE bit for reads 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 When the RC bit is one reallocations are disabled even if the ARRE or AWRE bits are one The drive will still perform data recovery actions within the limits defined by the Read Retry Count Write Retry Count and Recovery Time Limit parameters However the drive does not report any unrecovered errors 40 Cheetah 15K 7 SAS Product Manual Rev C Table 16 Read and write retry count m
50. e when it is used in cache operations To select this feature the host sends the Mode Select command with the proper values in the applicable bytes in page 08h Prefetch and cache operations are independent features from the standpoint that each is enabled and disabled independently using the Mode Select command however in actual opera tion the prefetch feature overlaps cache operation somewhat as described in sections 5 5 1 and 5 5 2 All default cache and prefetch mode parameter values Mode Page 08h for standard OEM versions of this drive family are given in Section 12 3 2 1 5 5 Cache operation Note Refer to the SAS Interface Manual for more detail concerning the cache bits Of the 16 Mbytes physical buffer space in the drive approximately 13 000 kbytes can be used as a cache The buffer is divided into logical segments from which data is read and to which data is written The drive keeps track of the logical block addresses of the data stored in each segment of the buffer If the cache is enabled see RCD bit in the SAS nterface Manual data requested by the host with a read command is retrieved from the buffer if possible 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 for the moment That is the drive does not check in the buffer segments for the requested read data but goes dir
51. easured on a representative sample of drives 2 Access to data access time latency time Cheetah 15K 7 SAS Product Manual Rev C 9 5 2 2 Format command execution time minutes When changing sector sizes the format times shown below may need to be increased by 30 minutes 600GB 450GB 300GB Maximum with verify 119 90 58 Maximum without verify 60 45 29 Note There is approximately a 1 5 increase in time to format a SED drive versus a non SED drive of the same capacity Execution time measured from receipt of the last byte of the Command Descriptor Block CDB to the request for a Status Byte Transfer to the Initiator excluding connect disconnect 5 2 3 General performance characteristics Sustainable disk transfer rate Minimum 122 Mbytes sec typical Maximum 204 Mbytes sec typical SAS Interface maximum instantaneous transfer rate 600 Mbytes sec per port Logical block sizes Default is 512 byte data blocks Sector sizes variable to 512 520 and 528 kbytes Read write consecutive sectors on a track Yes Flaw reallocation performance impact for flaws reallocated at format time using Negligible the spare sectors per sparing zone reallocation scheme 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 accepts the commands listed in the SAS Interface Manual less than 3 seconds after DC power has
52. ectly to the medium to retrieve it The retrieved data merely passes through some buffer segment on the way to the host All data transfers to the host are in accordance with buffer full ratio rules See the explanation provided with the information about Mode Page 02h disconnect reconnect control in the SAS Interface Manual The following is a simplified description of the prefetch cache operation Case A read command is received and all of the requested logical blocks are already in the cache 1 Drive transfers the requested logical blocks to the initiator Case B A Read command requests data and at least one requested logical block is not in any segment of the cache 1 The drive fetches the requested logical blocks from the disk and transfers them into a segment and then from there to the host in accordance with the Mode Select Disconnect Reconnect parameters page 02h 2 If the prefetch feature is enabled refer to section 5 5 2 for operation from this point Each cache segment is actually a self contained circular buffer whose length is an integer number of logical blocks The drive dynamically creates and removes segments based on the workload The wrap around capa bility of the individual segments greatly enhances the cache s overall performance Note The size of each segment is not reported by Mode Sense command page 08h bytes 14 and 15 The value OXFFFF is always reported regardless of the actual size of the segment Sendin
53. een scanned by BMS If the LBAs have been verified the drive proceeds with the normal write command If the LBAs have not been verified by BMS Pre Scan will convert the write to a write verify to certify that the data was properly written to the disk Note During Pre Scan write verify commands write performance may decrease by 50 until 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 exit from the Pre Scan period BMS will begin scanning immediately when the drive goes to idle during the Pre Scan period In the event that the drive is in a high transaction traffic environment and is unable to complete a BMS scan within 24 power on hours BMS will dis able Pre Scan to restore full performance to the system 10 6 Deferred Auto Reallocation Deferred Auto Reallocation DAR simplifies reallocation algorithms at the system level by allowing the drive to reallocate unreadable locations on a subsequent write command Sites are marked for DAR during read oper ations performed by the drive When a write command is received for an LBA marked for DAR the auto reallo cation process is invoked and attempts to rewrite the data to the original location If a verification of this rewrite fails the sector is re mapped to a spare location This is in contrast to the system having to use the Reassign Command to reas
54. er run page 01h Cache Statistics page 37h Factory Log page 3Eh Last n Deferred Errors or Asynchronous Events page OBh Last n Error Events page 07h Non medium Error page 06h Pages Supported list 00h Read Error Counter page 03h Read Reverse Error Counter page 04h Self test Results page 10h Background Medium Scan page 15h Start stop Cycle Counter page OEh Temperature page ODh Verify Error Counter page 05h Write error counter page 02h Mode Select same pages as Mode Sense 1Ah 15h 2 Mode Select 10 same pages as Mode Sense 1Ah 55h Mode Sense 1Ah 2 Caching Parameters page 08h Control Mode page 0Ah Disconnect Reconnect 02h Error Recovery page 01h Format page 03h Information Exceptions Control page 1Ch Background Scan mode subpage 01h Notch and Partition Page 0Ch Protocol Specific Port page 19h Power Condition page 1Ah Rigid disk Drive Geometry page 04h Unit Attention page 00h Verify Error Recovery page 07h z lt lt lt lt lt z lt lt lt lt lt lt lt lt lt lt lt lt lt lt z lt lt lt z z lt lt z lt lt z z z lt Xor Control page 10h Cheetah 15K 7 SAS Product Manual Rev C Table 19 Commands supported by Cheetah 15K 6 SAS family drives continued
55. er the interface when the tem perature exceeds a set threshold The temperature is measured at power up and then at ten minute intervals after power up The thermal monitor system generates a warning code of 01 0B01 when the temperature exceeds the speci fied limit in compliance with the SCSI standard The drive temperature is reported in the FRU code field of mode sense data You can use this information to determine if the warning is due to the temperature exceeding the drive threatening temperature or the user specified temperature This feature is controlled by the Enable Warning EWasc bit and the reporting mechanism is controlled by the Method of Reporting Informational Exceptions field MRIE on the Informational Exceptions Control IEC mode page 1Ch The current algorithm implements two temperature trip points The first trip point is set at 68 C which is the maximum temperature limit according to the drive specification The second trip point is user selectable using the Log Select command The reference temperature parameter in the temperature log page see Table 12 16 Cheetah 15K 7 SAS Product Manual Rev C can be used to set this trip point The default value for this drive is 68 C however you can set it to any value in the range of 0 to 68 C If you specify a temperature greater than 68 C in this field the temperature is rounded down to 68 C A sense code is sent to the host to indicate the rounding of the parameter fiel
56. f Cheetah 15K 7 SAS SED models are based on the TCG Storage Architecture Core Specification and the TCG Storage Workgroup Security Subsystem Class Enterprise A specification with additional vendor unique features as noted in this product manual 3 1 1 Electromagnetic 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 to Subpart B of Part 15 of the FCC Rules and Regulations nor the Radio Interference Regulations of the Canadian Department of Communications The design characteristics of the drive serve to minimize radiation when installed in an enclosure that provides reasonable shielding The drive is capable of meeting the Class B limits of the FCC Rules and Regulations of the Canadian Department of Communications when properly packaged however it is the user s responsibility to assure that the drive meets the appropriate EMI requirements in their system Shielded I O cables may be required if the enclosure does not provide adequate shielding If the I O cables are external to the enclosure shielded cables should be used with the shields grounded to the enclosure and to the host controller 3 1 1 1 Electromagnetic susceptibility As a component assembly the drive is not required to meet any susceptibility performance requirements It is the responsibility of those integrating the drive within their s
57. f about 30mA and a commensurate increase of about 150mW in power consumption There is no additional drain on the 12V supply 20 Cheetah 15K 7 SAS Product Manual Rev C Table 13 600 GB DC power requirements 3 Gbit mode 6 Gbit mode Notes Amps Amps Amps Amps Voltage 5V 12V 2 5V 12V 2 Regulation 5 5 5 2 5 5 2 Avg idle current 1 7 0 37 0 81 0 38 0 81 Maximum starting current peak DC DC 30 3 0 67 1 90 0 68 1 91 peak AC AC 30 3 0 98 3 82 0 98 3 88 Delayed motor start max DC 30 1 4 0 55 0 04 0 56 0 04 Peak operating current random read Typical DC 1 6 1 0 44 1 15 0 45 1 17 Maximum DG 30 1 0 49 1 20 0 51 1 21 Maximum DC peak 30 1 32 3 00 1 34 3 00 Peak operating current random write Typical DC 1 6 1 0 51 1 03 0 53 1 04 Maximum DG 30 1 0 56 1 05 0 58 1 07 Maximum DC peak 30 1 26 2 94 1 28 2 92 Peak operating current Sequential read Typical DC 1 6 1 0 98 0 83 0 99 0 84 Maximum DC 3o 1 1 08 0 84 1 10 0 85 Maximum DC peak 30 1 40 1 26 1 46 1 24 Peak operating current sequential write Typical DC 116 1 0 93 0 83 0 94 0 83 Maximum DC 3o 1 1 00 0 84 1 02 0 85 Maximum DC peak 30 1 30 1 24 1 30 1 26 Cheetah 15K 7 SAS Product Manual Rev C 21 Table 14 450 GB DC power requirements 3 Gbit mode 6 Gbit mode Notes Amps Amps Amps Amps Voltage 5V 12V 2 5V 12V 2 Regulat
58. for normal operation shall comply with the complete specified performance while subjected to continuous vibration not exceeding 10 300 Hz 1 0 G RMS 0 to peak 301 500 Hz 0 5 G RMS 0 to peak Vibration may be applied in the X Y or Z axis 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 Vibration occurring at these levels may degrade operational performance during the abnormal vibration period Specified operational performance will continue when normal operating vibration levels are resumed This assumes system recovery routines are available Operating abnormal translational random flat profile 5 500 Hz 0 75 G 0 to peak 10 300 Hz 0 0029 G Hz Non operating Cheetah 15K 7 SAS Product Manual Rev C The limits of non operating vibration shall apply to all conditions of handling and transportation This includes both isolated drives and integrated drives The drive shall not incur physical damage or degraded performance as a result of continuous vibration not exceeding 5 22 Hz 0 25 G 0 to peak linear swept sine 0 5 octive min 22 350 Hz 3 G 0 to peak linear swept sine 0 5 octive min 350 500 Hz 1 G 0 to peak linear swept sine 0 5 octive min Vibration may be applied in the X Y or Z axis 7 4 5 Acoustics Sound power during idle mode sh
59. g a size specification using the Mode Select command bytes 14 and 15 does not set up a new segment size If the STRICT bit in Mode page 00h byte 2 bit 1 is set to one the drive responds as it does for any attempt to change an unchangeable parameter Cheetah 15K 7 SAS Product Manual Rev C 11 5 5 1 Caching write data Write caching is a write operation by the drive that makes use of a drive buffer storage area where the data to be written to the medium is stored while the drive performs the Write command If read caching is enabled RCD 0 then data written to the medium is retained in the cache to be made avail able for future read cache hits The same buffer space and segmentation is used as set up for read functions The buffer segmentation scheme is set up or changed independently having nothing to do with the state of RCD When a write command is issued if RCD 0 the cache is first checked to see if any logical blocks that are to be written are already stored in the cache from a previous read or write command If there are the respective cache segments are cleared The new data is cached for subsequent Read commands If the number of write data logical blocks exceed the size of the segment being written into when the end of the segment is reached the data is written into the beginning of the same cache segment overwriting the data that was written there at the beginning of the operation however the drive does not overwrite data th
60. g page The new entry is created by inserting a new self test parameter block at the beginning of the self test results log parameter section of the log page Existing data will be moved to make room for the new parameter block The drive reports 20 param eter blocks in the log page If there are more than 20 parameter blocks the least recent parameter block will be deleted The new parameter block will be initialized as follows 1 The Function Code field is set to the same value as sent in the DST command 2 The Self Test Results Value field is set to Fh 3 The drive will store the log page to non volatile memory After a self test is complete or has been aborted the drive updates the Self Test Results Value field in its Self Test Results Log page in non volatile memory The host may use Log Sense to read the results from up to the last 20 self tests performed by the drive The self test results value is a 4 bit field that reports the results of the test If the field is set to zero the drive passed with no errors detected by the DST If the field is not set to zero the test failed for the reason reported in the field The drive will report the failure condition and LBA if applicable in the Self test Results Log parameter The Sense key ASC ASCQ and FRU are used to report the failure condition 18 Cheetah 15K 7 SAS Product Manual Rev C 6 2 6 2 5 Abort There are several ways to abort a diagnostic You can use a SCSI Bus Reset or a Bus
61. hysical interface Figure 12 shows the location of the SAS device connector J1 Figures 13 and 14 provide the dimensions of the SAS device Details of the 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 lt LE e a SAS Interface gt connector Figure 12 Physical interface 58 Cheetah 15K 7 SAS Product Manual Rev C 0 80 6X gt 35 99 CIA 4 65 T 7 D 0 52 0 08 x 45 e l 0 45 0 08 7X 8 08 Jre amp 0 10 ME 2 00 3X m 42 73 REF 41 13 0 15 x 5 0 20B 0 30 0 05 20 la E C TN A B ps 4 00 0 08 a0 jn OF DATUM D 0 15D Y 5 1 a t _ gt y EN a A R0 30
62. in progress Toggles on off 62 Cheetah 15K 7 SAS Product Manual Rev C The Ready LED Out signal is designed to pull down the cathode of an LED The anode is attached to the proper 3 3 volt supply through an appropriate current limiting resistor The LED and the current limiting resis tor are external to the drive See Table 25 for the output characteristics of the LED drive signals Table 25 LED drive signal State Test condition Output voltage LED off high 0 V VOH 33 6 V 100 pA lt lop lt 100 pA LED on low lo 15 mA 0 No 30 225 V 12 5 2 Differential signals The drive SAS differential signals comply with the intra enclosure internal connector requirements of the SAS standard Table 26 defines the general interface characteristics Table 26 General interface characteristics Characteristic Units 1 5 Gbps 3 0 Gbps 6 0 Gbps Bit rate nominal Mbaud 1 500 3 000 6 000 Unit interval UI nominal ps 666 6 333 3 166 6 Impedance nominal differential ohm 100 100 100 Transmitter transients maximum V t1 2 t1 2 t1 2 Receiver transients maximum V t1 2 t1 2 1 2 12 6 SAS 2 Specification compliance Seagate SAS 2 drives are entirely compatible with the latest SAS 2 Specification T10 1760 D Revision 16 The most important characteristic of the SAS 2 drive at 6 Gbps is that the receiver is capable of adapting the equalizer to optimize the receive margins The SAS 2 drive has two
63. ion 5 15 5 2 15 15 2 Avg idle current 1 7 0 39 0 68 0 41 0 66 Maximum starting current peak DC DC 30 3 0 65 1 94 0 67 1 94 peak AC AC 30 3 0 94 3 91 0 96 3 89 Delayed motor start max DC 30 1 4 0 54 0 04 0 56 0 04 Peak operating current random read Typical DC 11161 1 0 45 1 01 0 47 1 02 Maximum DC 30 1 0 48 1 08 0 51 1 06 Maximum DC peak 30 1 28 2 90 1 30 2 84 Peak operating current random write Typical DC 1116 1 0 52 0 90 0 55 0 89 Maximum DC 30 1 0 56 0 93 0 58 0 91 Maximum DC peak 30 1 24 2 78 1 26 2 84 Peak operating current sequential read Typical DC 1116 1 0 98 0 69 1 03 0 67 Maximum DC 30 1 1 04 0 70 1 10 0 68 Maximum DC peak 30 1 36 1 10 1 44 1 10 Peak operating current sequential write Typical DC 1116 1 0 95 0 69 0 98 0 67 Maximum DC 30 1 0 99 0 70 1 02 0 68 Maximum DC peak 30 1 26 1 10 1 30 1 12 22 Cheetah 15K 7 SAS Product Manual Rev C Table 15 300 GB DC power requirements 3 Gbit mode 6 Gbit mode Notes Amps Amps Amps Amps Voltage 5V 12V 2 5V 12V 2 Regulation 5 15 5 2 15 15 2 Avg idle current 1 7 0 34 0 58 0 35 0 58 Maximum starting current peak DC DC 3c 3 0 53 1 92 0 54 1 92 peak AC AC 30 3 0 98 3 82 0 86 3 98 Delayed motor start max DC 30 1 4 0 47 0 04 0 48 0 04 Peak operating current random read Typical DC
64. ireMentS oooocccoccococ hn 20 7 2 DC power reguireme nts i scs u u eb RE REEL A aia 20 7 2 1 Conducted noise immunitly 24 7 2 2 Power sequencing eseese ii ai e 24 7 2 3 Gurrentprofiles 1 til kaycha ai Pie Odie a ee ees 24 7 3 Power dissipation cb R Sauti tr et tod eu RES 27 7 4 Environmental limits 29 Cheetah 15K 7 SAS Product Manual Rev C 7 4 1 Temperatures crous st aed es pea i a a a a de Rer ee 29 7 4 2 Relative humidity oooooocococoonr ee 30 7 4 3 Effective altitude sea level 30 7 4 4 Shock and vibration 30 7 4 5 ACOUSTICS yupa ek a eR m pede e cee AS 33 7 4 6 Air cleanliness 2 0 0 0 cau Um eee hne 33 7 4 7 Corrosive environment 000 cece eee eee 33 7 4 8 RoHS compliance statement 33 7 4 9 Electromagnetic susceptibility _ 34 7 5 Mechanical specifications llle 34 8 0 About FIPS ovre ese E Se care eee ie ue ee d E dr at a 35 9 0 About self encrypting drives 2 2 2 00 cee RII IIR III 36 9 1 Data SnG y DION 3 0 evi cet Sete eter rV wea tele Peu CI UV RETE 36 9 2 Controlled access 2 u uu u gg ee et ad dados 36 9 2 1 Admin SP nho ae th tuas LE VILLE E LU d au as teu Ud Ns sa uA 36 9 2 2 Locking SP Saha
65. is subject to the recovery time limit Note A recovery time limit of 0 will use the drive s default value of FF FF Minimum recovery time limit is achieved by setting the Recovery Time Limit field to 00 01 10 3 SAS system errors Information on the reporting of operational errors or faults across the interface is given in the SAS nterface Manual The SSP Response returns information to the host about numerous kinds of errors or faults The Receive Diagnostic Results reports the results of diagnostic operations performed by the drive Status returned by the drive to the initiator is described in the SAS nterface Manual Status reporting plays a role in systems error management and its use in that respect is described in sections where the various com mands are discussed 10 4 Background Media Scan Background Media Scan BMS is a self initiated media scan BMS is defined in the T10 document SPC 4 available from the T10 committee BMS performs sequential reads across the entire pack of the media while the drive is idle In RAID arrays BMS allows hot spare drives to be scanned for defects prior to being put into service by the host system On regular duty drives if the host system makes use of the BMS Log Page it can avoid placing data in suspect locations on the media Unreadable and recovered error sites will be logged or reallocated per ARRE AWRE settings Cheetah 15K 7 SAS Product Manual Rev C 41 With BMS the host system can consume
66. is to set thresholds for the number of errors and their interval If the number of errors exceeds the threshold before the interval expires the error rate is considered to be unacceptable If the number of errors does not exceed the threshold before the interval expires the error rate is considered to be acceptable In either case the inter val and failure counters are reset and the process starts over Predictive failures S M A R T signals predictive failures when the drive is performing unacceptably for a period of time The firm ware keeps a running count of the number of times the error rate for each attribute is 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 increments such that it reaches the pre dictive threshold a predictive failure is signaled This counter is referred to as the Failure History Counter There is a separate Failure History Counter for each attribute 6 2 5 Thermal monitor Cheetah 15K 7 drives implement a temperature warning system which 1 Signals the host if the temperature exceeds a value which would threaten the drive 2 Signals the host if the temperature exceeds a user specified value 3 Saves a S M A R T data frame on the drive which exceeds the threatening temperature value A temperature sensor monitors the drive temperature and issues a warning ov
67. k shall apply to all conditions of handling and transportation This includes both isolated drives and integrated drives The drive subjected to nonrepetitive 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 at a duration of 0 5 msec half sinewave Shock may be applied in the X Y or Z axis d Packaged disk drives shipped as loose load not palletized general freight will be packaged to withstand drops from heights as defined in the table below For additional details refer to Seagate specifications 30190 001 under 100 Ibs 45 kg or 30191 001 over 100 lbs 45 Kg Package size Packaged product weight Drop height lt 600 cu in lt 9 800 cu cm Any 60 in 1524 mm 600 1800 cu in 9 800 19 700 cu cm 0 20 Ib 0 to 9 1 kg 48 in 1219 mm gt 1800 cu in gt 19 700 cu cm 0 20 Ib 0 to 9 1 kg 42 in 1067 mm gt 600 cu in gt 9 800 cu cm 20 40 Ib 9 1 to 18 1 kg 36 in 914 mm Drives packaged in single or multipacks with a gross weight of 20 pounds 8 95 kg or less by Seagate for general freight shipment shall withstand a drop test from 48 inches 1 070 mm against a concrete floor or equivalent Cheetah 15K 7 SAS Product Manual Rev C 31 Figure 8 Recommended mounting 7 4 4 2 Vibration a 32 Operating normal The drive as installed
68. less power and system overhead by only checking BMS status and results rather than tying up the bus and consuming power in the process of host initiated media scanning activ ity Since the background scan functions are only done during idle periods BMS causes a negligible impact to sys tem performance The first BMS scan for a newly manufactured drive is performed as quickly as possible to verify the media and protect data by setting the Start time after idle to 5ms all subsequent scans begin after 500ms of idle time Other features that normally use idle time to function will function normally because BMS functions for bursts of 800ms and then suspends activity for 100ms to allow other background functions to operate BMS interrupts immediately to service host commands from the interface bus while performing reads BMS will complete any BMS initiated error recovery prior to returning to service host initiated commands Overhead associated with a return to host servicing activity from BMS only impacts the first command that interrupted BMS this results in a typical delay of about 1 ms 10 5 Media Pre Scan Media Pre Scan is a feature that allows the drive to repair media errors that would otherwise have been found by the host system during critical data accesses early in the drive s life The default setting for Media Pre Scan is enabled on standard products Media Pre Scan checks each write command to determine if the destination LBAs have b
69. lowing conditions are considered DST failure conditions Seek error after retries are exhausted Track follow error after retries are exhausted Read error after retries are exhausted Write error after retries are exhausted Recovered errors will not be reported as diagnostic failures 6 2 6 2 Implementation This section provides all of the information necessary to implement the DST function on this drive 6 2 6 2 1 State of the drive prior to testing The drive must be in a ready state before issuing the Send Diagnostic command There are multiple reasons why a drive may not be ready some of which are valid conditions and not errors For example a drive may be in process of doing a format or another DST It is the responsibility of the host application to determine the not ready cause While not technically part of DST a Not Ready condition also qualifies the drive to be returned to Seagate as a failed drive A Drive Not Ready condition is reported by the drive under the following conditions Cheetah 15K 7 SAS Product Manual Rev C 17 Motor will not spin Motor will not lock to speed Servo will not lock on track Drive cannot read configuration tables from the disk In these conditions the drive responds to a Test Unit Ready command with an 02 04 00 or 02 04 03 code 6 2 6 2 2 Invoking DST To invoke DST submit the Send Diagnostic command with the appropriate Function Code 001b for the short test or 010
70. lures Each monitored attribute has been selected to monitor a specific set of failure conditions in the operating per formance of the drive and the thresholds are optimized to minimize false and failed predictions Controlling S M A R T The operating mode of S M A R T is controlled by the DEXCPT and PERF bits on the Informational Exceptions Control mode page 1Ch Use the DEXCPT bit to enable or disable the S M A R T feature Setting the DEX CPT bit disables all S M A R T functions When enabled S M A R T collects on line data as the drive performs normal 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 drive to save the data by using the Rezero Unit command Forcing S M A R T resets the timer so that the next scheduled interrupt is in two hours You can interrogate the drive through the host to determine the time remaining before the next scheduled mea surement and data logging process occurs To accomplish this issue a Log Sense command to log page Ox3E This allows you to control when S M A R T interruptions occur Forcing S M A R T with the RTZ command resets the timer Performance impact S M A R T attribute data is saved to the disk so that the events that caused a predictive failure can be recre ated The drive measures and saves parameters once every two hours subject to a
71. n be changed by this method Parameters in the saved values list that are not changeable by the Mode Select command get their values from default values storage When power is applied to the drive it takes saved values from the media and stores them as current val ues in volatile memory It is not possible to change the current values or the saved values with a Mode Select command before the drive achieves operating speed and is ready An attempt to do so results in a Check Condition status On drives requiring unique saved values the required unique saved values are stored into the saved val ues storage location on the media prior to shipping the drive Some drives may have unique firmware with unique default values also On standard OEM drives the saved values are taken from the default values list and stored into the saved values storage location on the 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 changeable values Originally current values are installed from saved or default values after a power on reset hard reset or Bus Device Reset message 4 Changeable values Changeable values form a bit mask stored in nonvolatile memory that dictates which of the current values and saved values can be changed by a Mode Select command A one 1 indicates the value can be change
72. n idle period on the drive interfaces The process of measuring off line attribute data and saving data to the disk is uninterruptable The maximum on line only processing delay is summarized below Maximum processing delay On line only delay Fully enabled delay DEXCPT 0 PERF 1 DEXCPT 0 PERF 0 S M A R T delay times 42 milliseconds 163 milliseconds Cheetah 15K 7 SAS Product Manual Rev C 15 Reporting control Reporting is controlled by the MRIE bits in the Informational Exceptions Control mode page 1Ch Subject to the reporting method the firmware will issue to the host an 01 5Dxx sense code The error code is preserved through bus resets and power cycles Determining rate S M A R T monitors the rate at which errors occur and signals a predictive failure if the rate of degraded errors increases to an unacceptable level To determine rate error events are logged and compared to the number of total operations for a given attribute The interval defines the number of operations over which to measure the rate The counter that keeps track of the current number of operations is referred to as the Interval Counter S M A R T measures error rates All errors for each monitored attribute are recorded A counter keeps track of the number of errors for the current interval This counter is referred to as the Failure Counter Error rate is the number of errors per operation The algorithm that S M A R T uses to record rates of error
73. nformation Shipping When transporting or shipping a drive use only a Seagate approved container Keep your original box Sea gate approved containers are easily identified by the Seagate Approved Package label Shipping a drive in a non approved container voids the drive warranty Seagate repair centers may refuse receipt of components improperly packaged or obviously damaged in tran sit Contact your authorized Seagate distributor to purchase additional boxes Seagate recommends shipping by an air ride carrier experienced in handling computer equipment Product repair and return information Seagate customer service centers are the only facilities authorized to service Seagate drives Seagate does not sanction any third party repair facilities Any unauthorized repair or tampering with the factory seal voids the warranty Cheetah 15K 7 SAS Product Manual Rev C 19 7 0 Physical electrical specifications This section provides information relating to the physical and electrical characteristics of the drive 7 1 AC power requirements None 7 2 DC power requirements The voltage and current requirements 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 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 o
74. nt for the drive must provide heat removal from the electronics and head and disk assembly HDA You should confirm that adequate heat removal is provided using the temper ature measurement guidelines described in Section 7 4 1 Forced air flow may be required to keep temperatures at or below the temperatures specified in Section 7 4 1 in which case the drive should be oriented or air flow directed so that the least amount of air flow resistance is created while providing air flow to the electronics and HDA Also the shortest possible path between the air inlet and exit should be chosen to minimize the travel length of air heated by the drive and other heat sources within the rack cabinet or drawer environment Cheetah 15K 7 SAS Product Manual Rev C 43 If forced air is determined to be necessary possible air flow patterns are shown in Figure 11 The air flow pat terns are created by one or more fans either forcing or drawing air as shown in the illustrations Conduction convection or other forced air flow patterns are acceptable as long as the temperature measurement guide lines of Section 7 4 1 are met d it Note Air flows in the direction shown back to front menue or in reverse direction front to back Above uni Under units Note Air flows in the direction shown or in reverse direction side to side Figure 11 Air flow 11 3 Drive mounting Mount the drive using the bottom or side mounting holes If you m
75. o communicate on its interfaces When the self test completes successfully the drive initiates a Link Reset starting with OOB An attached device should respond to the link reset If the link reset attempt fails or any time the drive looses sync the drive initiated link reset The drive will initiate link reset once per second but alternates between port A and B Therefore each port will attempt a link reset once per 2 seconds assuming both ports are out of sync If the self test fails the does not respond to link reset on the failing port Note Itis the responsibility of the systems integrator to assure that no temperature energy voltage haz ard or ESD potential hazard is presented during the hot connect disconnect operation Discharge the static electricity from the drive carrier prior to inserting it into the system Caution The drive motor must come to a complete stop prior to changing the plane of operation This time is required to insure data integrity 14 Cheetah 15K 7 SAS Product Manual Rev C 6 2 4 S M A R T S M A R T is an acronym for Self Monitoring Analysis and Reporting Technology This technology is intended to recognize conditions that indicate imminent drive failure and is designed to provide sufficient warning of a failure to allow you to back up the data before an actual failure occurs Note The drive s firmware monitors specific attributes for degradation over time but can t predict instanta neous drive fai
76. ons for all parts and materials for the disk drives documented in this publication Current supplier declarations include disclosure of the inclusion of any RoHS regulated substance in such parts or materials 4 Cheetah 15K 7 SAS Product Manual Rev C Seagate also has internal systems in place to ensure ongoing compliance with the RoHS Directive and all laws and regulations which restrict chemical content in electronic products These systems include standard operat ing procedures that ensure that restricted substances are not utilized in our manufacturing operations labora tory analytical validation testing and an internal auditing process to ensure that all standard operating procedures are complied with 3 4 Reference documents SCSI Commands Reference Manual Seagate part number 100293068 SAS Interface Manual Seagate part number 100293071 ANSI SAS documents SFF 8323 3 5 Drive Form Factor with 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 xxx SCSI Architecure Model 4 SAM 4 Standard T10 1561 D ISO IEC 14776 xxx SCSI Primary Commands 3 SPC 3 Standard T10 1416 D ISO IEC 14776 xxx SCSI Block Commands 2 SBC 2 Standard T10 1417 D Trusted Computing Group TCG Documents apply to SED models only TCG Core Specification version 0 9 TCG SSC Specification draft Self Enc
77. ount the drive using the bottom holes ensure that you do not physically distort the drive by attempting to mount it on a stiff non flat surface The allowable mounting surface stiffness is 80 Ib in 14 0 N mm The following equation and paragraph define the allowable mounting surface stiffness Kx X F lt 15lb 67N where K is the mounting surface stiffness units in Ib in or N mm and X is the out of plane surface distortion units in inches or millimeters 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 F is applied to the fourth point 11 4 Grounding Signal ground PCBA and HDA ground are connected together in the drive and cannot be separated by the user The equipment in which the drive is mounted is connected directly to the HDA and PCBA with no electri cally isolating shock mounts If it is desired for the system chassis to not be connected to the HDA PCBA ground the systems integrator or user must provide a nonconductive electrically isolating method of mount ing the drive in the host equipment Increased radiated emissions may result if you do not provide the maximum surface area ground connection between system ground and drive ground This is the system designer s and integrator s responsibility 44 Cheetah 15K 7 SAS Product Manual Rev C 12 0 Interface requirement
78. owner can define up to 16 data bands on the drive each data band has its own password called BandMasterX where X is the number of the data band 0 through 15 36 Cheetah 15K 7 SAS Product Manual Rev C 9 2 3 Default password When the drive is shipped from the factory all passwords are set to the value of MSID This 32 byte random value is printed on the drive label and it can be read by the host electronically over the I O After receipt of the drive it is the responsibility of the owner to use the default MSID password as the authority to change all other passwords to unique owner specified values 9 3 Random number generator RNG The drive has a 32 byte hardware RNG that it is uses to derive encryption keys or if requested to do so to pro vide random numbers to the host for system use including using these numbers as Authentication Keys pass words for the drive s Admin and Locking SPs 9 4 Drive locking In addition to changing the passwords as described in Section 9 2 3 the owner should also set the data access controls for the individual bands The variable LockOnReset should be set to PowerCycle to ensure that the data bands will be locked if power is lost This scenario occurs if the drive is removed from its cabinet The drive will not honor any data read or write requests until the bands have been unlocked This prevents the user data from being accessed without the appropriate credentials when the drive has been
79. removed from its cabinet and installed in another system When the drive is shipped from the factory the firmware download port is locked and the drive will reject any attempt to download new firmware The drive owner must use the SID credential to unlock the firmware down load port before firmware updates will be accepted 9 5 Data bands When shipped 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 start LBA and an LBA range The real estate for this band is taken from the Global Band An additional 14 Data Bands may be defined in a similar way Band2 through Band15 but before these bands can be allocated LBA space they must first be individually enabled using the EraseMaster password Data bands cannot overlap but they can be sequential with one band ending at LBA x and the next beginning at LBA x 1 Each data band has its own drive generated encryption key and its own user supplied password The host may change the Encryption Key see Section 9 6 or the password when required The bands should be aligned to 4K LBA boundaries 9 6 Cryptographic erase A significant feature of SEDs is the ability to perform a cryptographic erase This involves the host telling the drive to change the data encryption key for a particular band Once changed the data is no longer recoverable since it was
80. rial Attached SCSI 5 asynchronous event notification 57 audible noise 3 auto write and read reallocation programmable 7 automatic contingent allegiance 57 average idle current 21 22 23 average rotational latency 9 B Background Media Scan 41 backpanel 61 Band0 37 BandMasterX 36 BMS 41 buffer data 7 space 11 busy status 57 C cache operation 11 Cheetah 15K 7 SAS Product Manual Rev C cache segments 11 caching write data 12 Canadian Department of Communications 3 capacity unformatted 9 CBC 36 check condition status 57 chemical pollutants 33 Cipher Block Chaining 36 class B limit 3 clear ACA function 45 clear task set function 45 commands supported 46 condensation 30 condition met good status 57 connector illustrated 60 requirements 60 continuous vibration 33 cooling 43 corrosive environment 33 CRC error 14 Cryptographic erase 37 Current profiles 24 customer service 19 D DAR 42 Data Bands 37 data bands 36 Data encryption 36 Data Encryption Key 36 data heads read write 9 data rate internal 9 data transfer rate 10 DC power 61 requirements 20 Decision Feedback Equalizer 63 decrypt 36 default MSID password 37 defect and error management 39 defects 39 Deferred Auto Reallocation 42 deferred error handling 57 DEK 36 description 6 DFE 63 dimensions 34 disc rotation speed 9 drive 33 drive characteristics 9 Drive Locking 37 65 drive mounting 34 44 drive select 61 dual port support 46
81. rnal auditing process to ensure that we comply with all standard operating procedures Cheetah 15K 7 SAS Product Manual Rev C 33 7 4 9 Electromagnetic susceptibility See Section 3 1 1 1 7 5 Mechanical specifications Refer to Figure 9 for detailed physical dimensions See Section 11 3 Drive mounting Height 1 03 in 26 10 mm Width 4 00 in 101 60 mm Depth 5 79 in 147 mm Weight max 1 76 pounds 0 80 kilograms l LL L6 26 11 MAX 1 028 MAX 2X 20 14 i 2X 793 1 _ E _ _ Y j 2400 6 35 250 Le _ 6X 6 32UNC 2B Z 945 THRU KAE 4 22X90 166 X 90 7 2x 1 120 7 MER zx Y 2X 70 05 2X 2 758 6 014 122 00 4 803 UNITS OF MEASURE mm inches 2X 130 05 2X 5 120 Y Y 146 99 MAX 5 787 MAX 131 17 5 164 4X 6 32UNC 2B 85 60 3 370 e _ Y 4 57 MIN BLIND 38 MIN BL
82. rror may be detected as a running disparity error illegal code loss of word sync or CRC error 6 2 Reliability and service You can enhance the reliability of Cheetah disk drives by ensuring that the drive receives adequate cooling Section 7 0 provides temperature measurements and other information that may be used to enhance the ser vice life of the drive Section 11 2 provides recommended air flow information 6 2 1 Annualized Failrue Rate AFR and Mean time between failure MTBF These drives shall achieve an AFR of 0 55 MTBF of 1 600 000 hours when operated in an environment that ensures the HDA case temperatures do not exceed the values specified in Section 7 4 Operation at case temperatures outside the specifications in Section 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 assumptions for Enterprise Storage System environ ments 8 760 power on hours per year 250 average on off cycles per year Operations at nominal voltages Systems will provide adequate cooling to ensure the case temperatures specified in Section 7 4 1 are not exceeded 6 2 2 Preventive maintenance No routine scheduled preventive maintenance is required 6 2 3 Hot plugging the drive When a disk is powered on by switching the power or hot plugged the drive runs a self test before attempting t
83. rypting Drives Users Guide Seagate part number 100515636 Specification for Acoustic Test Requirement and Procedures Seagate part number 30553 001 Package Test Specification Seagate P N 30190 001 under 100 Ib Package Test Specification Seagate P N 30191 001 over 100 Ib In case of conflict between this document and any referenced document this document takes precedence Cheetah 15K 7 SAS Product Manual Rev C 5 4 0 General description Cheetah 15K 7 drives provide high performance high capacity data storage for a variety of systems including engineering workstations network servers mainframes and supercomputers The Serial Attached SCSI inter face is designed to meet next generation computing demands for performance scalability flexibility and high density storage requirements Cheetah 15K 7 drives support the Serial Attached SCSI Protocol as described in the ANSI specifications this document and the SAS Interface Manual part number 100293071 which describes the general interface characteristics of this drive Cheetah 15K 7 drives are classified as intelligent peripherals and provide level 2 conformance highest level with the ANSI SCSI 1 standard The SAS connectors cables and electrical inter face are compatible with Serial ATA SATA giving future users the choice of populating their systems with either SAS or SATA hard disk drives This allows you to continue to leverage your existing investment in SCSI while gaining a
84. s This section partially describes the interface requirements as implemented on Cheetah 15K 7 drives Addi tional information is provided in the SAS Interface Manual part number 100293071 12 1 SAS features This section lists the SAS specific features supported by Cheetah 15K 7 drives 12 1 1 task management functions Table 17 lists the SAS task management functions supported Table 17 SAS task management functions supported Task name Supported Abort Task Yes Clear ACA Yes Clear task set Yes Abort task set Yes Logical Unit Reset Yes Query Task Yes 12 1 2 task management responses Table 18 lists the SAS response codes returned for task management functions supported Table 18 Task management response codes Function name Response code Function complete 00 Invalid frame 02 Function not supported 04 Function failed 05 Function succeeded 08 Invalid logical unit 09 Cheetah 15K 7 SAS Product Manual Rev C 45 12 2 Dual port support Cheetah 15K 7 SAS drives have two independent ports These ports may be connected in the same or differ ent SCSI domains Each drive port has a unique SAS address The two ports have the capability of independent port clocking e g both ports can run at 6Gbit sec or the first port can run at 6Gbit sec while the second port runs at 3Gbit sec The supported link rates are 1 5 3 0 or 6 0 Gbits sec Subject to buffer availability the Cheetah
85. s rz os A etre aee epic Ress T RARE M ees CARD Rer ad 45 12 1 1 task management functions 45 12 1 2 task management responses 45 12 2 Dualportsupport 0 ee eee eae 46 123 SCSI commands supported 46 12 3 1 Inquiry data soos oe e us ee ee el ei he 50 12 3 2 Mode Sensedata ees 51 12 4 Miscellaneous operating features and conditions 57 124 1 SAS physical interface 58 12 4 2 Physical characteristics 60 12 4 8 Connector requirements 60 1244 Electrical description 2 2 0 0c BA 61 12 45 Pindescriptions us ua yas iyi apa SAL ayu re 61 1246 SAS transmitters and receivers 62 ii Cheetah 15K 7 SAS Product Manual Rev C 12 4 7 Poweria ex theese augue p ed ig el EX uela eese 62 125 Signal characteristics 2l 62 12 5 4 Ready LED Out a 62 12 5 2 Differential signals eee 63 12 6 SAS 2 Specification compliance 63 12 7 Additional information u s s cura Cras eee 63 Cheetah 15K 7 SAS Product Manual Rev G Cheetah 15K 7 SAS Produ
86. sign a location that was unread able and then generate a write command to rewrite the data DAR is most effective when AWRE and ARRE are enabled this is the default setting from the Seagate factory With AWRE and ARRE disabled DAR is unable to reallocate the failing location and will report an error sense code indicating that a write command is being attempted to a previously failing location 10 7 Idle Read After Write Idle Read After Write IRAW utilizes idle time to verify the integrity of recently written data During idle periods no active system requests the drive reads recently written data from the media and compares it to valid write command data resident in the drives data buffer Any sectors that fail the comparison result in the invocation of a rewrite and auto reallocation process The process attempts to rewrite the data to the original location If a verification of this rewrite fails the sector is re mapped to a spare location 42 Cheetah 15K 7 SAS Product Manual Rev C 11 0 Installation Cheetah 15K 7 disk drive installation is a plug and play process There are no jumpers switches or termina tors on the drive SAS drives are designed to be used in a host system that provides a SAS compatible backplane with bays designed to accommodate the drive In such systems the host system typically provides a carrier or tray into which you need to mount the drive Mount the drive to the carrier or tray provided by the host system
87. t Du ester pe ec EVER e EE CL Re 36 9 2 3 Default password Lu T u i enea EKE EURE E EEE n 37 9 3 Random number generator RNG 37 9 4 Drive locking id meum S ol ese Gee uuu Sy aed eee Le Obi SER E 37 9 5 Datta DAMS i u ayayay ar titi gei erg t aa pepe Baten gon 37 9 6 Cryptographic erase _ 37 9 7 Authenticated firmware download 37 9 8 Power requirements erriari ake lr rre 38 9 9 Supported commands ooo 38 10 0 Defect and error management 00 e eee m n n nnn 39 10 1 Drive internal defects errors 2 0 eee 39 10 2 Drive error recovery procedures 39 10 3 SAS system errors 2 0 tees 41 10 4 Background Media Scan e 41 10 5 Media Pre Scan 2 0 0c hh rne 42 10 6 Deferred Auto Reallocation 42 10 7 Idle Read After Write _ te tees 42 11 0 Installatlo nh ule 4 a des Iw 43 11 1 Drive orienitation xr yuyan Qhaya a eee au hea ete deeds Veteres 43 11 27 GOOlNQs ceu xo ERA ED A EAS mam ag eae Pd 43 TS Drive MOUNT C a tu kaa uu puhu ei eae 4 eae p x izu patu a hua be 44 AAAS Croundingz site P Pas sS aa as ate EU e xD a Saath X sia dear 44 12 0 Interface requirements llle Rh RI I I hun 45 12 1 SAS ealule
88. tion time minutes llle 10 5 2 3 General performance characteristics 10 5 3 Star Stop tiMe cortes bi ete RP u watupi QU S le iia E uae isis flea Sine 10 5 4 Prefetch multi segmented cache control 11 5 5 Cache operation ar awas deae ute x ni NIE eae ue BR eM 11 5 5 1 Caching write data nn 12 5 5 2 Prefetch operation ice pee ER RIO EX Fae aad Petals els 12 6 0 Reliability specifications ooooocoooconrooan III III 13 6 1 Error Tales s rst dee unge EE qas u e EMO D UR er b q eir eade di 13 6 1 1 Recoverable Errors liliis 13 6 1 2 Unrecoverable Errors 13 6 1 3 SOON a Sloe te e O ae 14 6 1 4 Interface SITO s eee AA A EDedY Y 14 6 2 Reliability and service 0 0 cette eee 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 SMAR Tor rue duele Gene re RS NT EI S D es Weeder uted ga wenn head 15 6 2 5 Thermal monitor lille nh 16 6 2 6 Drive Self Test DST 17 6 2 7 Product warranty sx o exu eec peer e rex UR ee ee 19 7 0 Physical electrical specifications oooooooooorroonrr RB 20 7 1 AC power requ
89. types of equalizers 1 A Decision Feedback Equalizer DFE which utilizes the standard SAS 2 training pattern transmitted dur ing the 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 balanced receive margins over a range of channels bounded by the best and worst case channels as defined by the relevant ANSI standard 12 7 Additional information Please contact your Seagate representative for SAS electrical details if required For more information about the Phy Link Transport and Applications layers of the SAS interface refer to the Seagate SAS Interface Manual part number 100293071 For more information about the SCSI commands used by Seagate SAS drives refer to the Seagate SCSI Commands Reference Manual part number 100293068 Cheetah 15K 7 SAS Product Manual Rev C 63 64 Cheetah 15K 7 SAS Product Manual Rev C Index Numerics 12 volt pins 62 5 volt pins 62 6 Gbps 63 A abort task set function 45 AC coupling 62 AC power requirements 20 ACA active status 58 ACA active faulted initiator status 58 acoustics 33 active LED Out signal 62 actuator assembly design 6 adaptive caching 57 Admin SP 36 AES 128 data encryption 36 AFR 8 air cleanliness 33 airflow 43 44 illustrated 44 air inlet 43 altitude 30 ambient 30 ambient temperature 43 ANSI documents Se
90. unt 44 SID 36 signal characteristics 62 single unit shipping pack kit 8 SMART 8 15 SMP 1 in Mode Select command 57 SNW 3 training gap 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 task management functions 45 Abort task set 45 Clear ACA 45 Clear task set 45 terminate task 45 task management response codes 45 Function complete 00 45 Function not supported 05 45 Function reject 04 45 task set full status 58 TCG 36 technical support services 1 temperature 29 43 68 limits 29 non operating 30 regulation 3 See also cooling terminate task function 45 terminators 43 tracks per inch 9 transmitters 62 transporting the drive 19 Trusted Computing Group 36 U unformatted 8 Unrecoverable Errors 13 unrecovered media data 13 V vibration 30 32 33 W warranty 19 Z zero latency read 57 zone bit recording ZBR 7 Cheetah 15K 7 SAS Product Manual Rev C Seagate Seagate Technology LLC 920 Disc Drive Scotts Valley California 95066 4544 USA Publication Number 100516226 Rev C
91. using four 6 32 UNC screws Do not over tighten or force the screws You can mount the drive in any orientation Note SAS drives are designed to be attached to the host system without I O or power cables If you intend the use the drive in a non backplane host system connecting the drive using high quality cables is acceptable as long as the I O cable length does not exceed 4 meters 13 1 feet Slide the carrier or tray into the appropriate bay in your host system using the instructions provided by the host system This connects the drive directly to your system s SAS connector The SAS connector is normally located on a SAS backpanel See Section 12 4 1 for additional information about these connectors Power is supplied through 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 1 Drive orientation The drive may be mounted in any orientation All drive performance characterizations however have been done with the drive in horizontal disks level and vertical drive on its side orientations which are the two pre ferred mounting orientations 11 2 Cooling Cabinet cooling must be designed by the customer so that the ambient temperature immediately surrounding the drive will not exceed temperature conditions specified in Section 7 4 1 Temperature The rack cabinet or drawer environme
92. ware Download option Y modes 5 7 Ah and Bh supported 3 Write Extended 2Ah Y DPO bit Y FUA bit Y Write Long 3Fh Y Write Same 41h Y PBdata N LBdata N XDRead 52h N XDWrite 50h N XPWrite 51h N 1 Cheetah 15K 7 drives can format to 512 520 524 or 528 bytes per logical block 2 Warning Power loss during flash programming can result in firmware corruption This usually makes the drive inoperable 3 Reference Mode Sense command 1Ah for mode pages supported 4 Y Yes Command is supported N No Command is not supported A Support is available on special request Cheetah 15K 7 SAS Product Manual Rev C 49 12 3 1 Inquiry data Table lists the Inquiry command data that the drive should return to the initiator per the format given in the SAS Interface Manual Table 20 Cheetah 15K 7 inquiry data Bytes Data hex 0 15 00 00 xx 12 8B 00 PP 02 53 45 41 47 41 54 45 20 Vendor ID 16 31 53 54 33 36 30 30 30 35 37 53 53 20 20 20 20 20 Product ID 32 47 R R R R S S S S S S S S 00 00 00 00 48 63 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 64 79 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80 95 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 96 111 00 43 6F 70 79 72 69 67 68 74 20 28 63 29 20 32 Copyright 112 127 30 30 39 20 53 65 61 67 61 74 65 20 41 6C 6C 20 notice
93. written with one key and will be read using a different key Since the drive overwrites the old key with the new one and keeps no history of key changes the user data can never be recovered This is tanta mount to an instantaneous data erase and is very useful if the drive is to be scrapped or redispositioned 9 7 Authenticated firmware download In addition to providing a locking mechanism to prevent unwanted firmware download attempts the drive also only accepts download files which have been cryptographically signed by the appropriate Seagate Design Center Three conditions must be met before the drive will allow the download operation 1 The download must be an SED file A standard base drive non SED file will be rejected Cheetah 15K 7 SAS Product Manual Rev C 37 2 The download file must be signed and authenticated 3 As with a non SED drive the download file must pass the acceptance criteria for the drive For example it must be applicable to the correct drive model and have compatible revision and customer status 9 8 Power requirements The standard drive models and the SED drive models have identical hardware however 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 commensurate increase of about 150mW in power consumption There is no additional drain on the 12V supply See the tables
94. y mechanisms of a Level 1 lowest level of security cryptographic module by requiring features that show evidence of tampering including tamper evident coatings or seals that must be broken to attain physical access to the plaintext cryptographic keys and critical security parameters CSPs within the module or pick resistant locks on covers or doors to protect against unauthorized physical access Figure 10 Example of FIPS tamper evidence labels Does not represent actual drive Cheetah 15K 7 SAS Product Manual Rev C 35 9 0 About self encrypting drives Self encrypting drives SEDs offer encryption and security services for the protection of stored data com monly known as protection of data at rest These drives are compliant with the Trusted Computing Group TCG Enterprise Storage Specifications as detailed in Section 3 4 The Trusted Computing Group TCG is an organization sponsored and operated by companies in the com puter storage and digital communications industry Seagate s SED models comply with the standards pub lished by the TCG To use the security features in the drive the host must be capable of constructing and issuing the following two SCSI commands Security Protocol Out Security Protocol In These commands are used to convey the TCG protocol to and from the drive in their command payloads 9 1 Data encryption Encrypting drives use one inline encryption engine for each port employing AES 128
95. ystems to perform those tests required and design their system to ensure that equipment operating in the same system as the drive or external to the system does not adversely affect the performance of the drive See Tables 13 14 and 15 for DC power requirements Cheetah 15K 7 SAS Product Manual Rev C 3 3 2 Compliance 3 2 1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives standards for CE Marking and C Tick Marking The drive was tested in a representative system for typical applications The selected sys tem represents the most popular characteristics for test platforms The system configurations include Typical current use microprocessor Keyboard Monitor display Printer Mouse Although the test system with this Seagate model complies with the directives standards we cannot guarantee that all systems will comply The computer manufacturer or system integrator shall confirm EMC compliance and provide the appropriate marking for their product Electromagnetic compliance for the European Union If this model has the CE Marking it complies with the European Union requirements of the Electromagnetic Compatibility Directive 89 336 EEC of 03 May 1989 as amended by Directive 92 31 EEC of 28 April 1992 and Directive 93 68 EEC of 22 July 1993 Australian C Tick If this model has the C Tick Marking it complies with the Australia New Zealand Standard AS NZS3548 1995 and

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