Seagate Savvio 10K.2 Product Manual Download Page 11

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Savvio 10K.2 SAS Product Manual, Rev. B

1.0

Scope

This manual describes Seagate Technology

LLC, Savvio

10K.2 SAS (Serial Attached SCSI) disc drives.

Savvio drives support the SAS Protocol specifications to the extent described in this manual. The SAS Inter-
face Manual (part number 100293071) describes the general SAS characteristics of this and other Seagate
SAS drives.

Figure 1.

Savvio

10K.2 SAS disc drive

Summary of Contents for Savvio 10K.2

Page 1: ...Savvio 10K 2 SAS ST9146802SS ST973402SS...

Page 2: ......

Page 3: ...Savvio 10K 2 SAS ST9146802SS ST973402SS...

Page 4: ...er countries All other trademarks or registered trademarks are the property of their respective owners One gigabyte or GB equals one billion bytes when referring to hard drive capacity Accessible capa...

Page 5: ...Revision status summary sheet Revision Date Notes Rev A 06 23 06 Initial release Rev B 10 23 06 None...

Page 6: ......

Page 7: ...r 512 byte sectors minutes 12 4 2 3 General performance characteristics 12 4 3 Start stop time 13 4 4 Prefetch multi segmented cache control 13 4 5 Cache operation 13 4 5 1 Caching write data 14 4 5 2...

Page 8: ...Write 40 8 0 Installation 41 8 1 Drive orientation 41 8 2 Cooling 42 8 3 Drive mounting 43 8 4 Grounding 43 9 0 Interface requirements 45 9 1 SAS features 45 9 1 1 task management functions 45 9 1 2 t...

Page 9: ...rature check point 30 Figure 7 Recommended mounting 32 Figure 8 Mounting configuration dimensions 35 Figure 9 Physical interface 41 Figure 10 Air flow 42 Figure 11 Physical interface 56 Figure 12 SAS...

Page 10: ......

Page 11: ...10K 2 SAS Serial Attached SCSI disc drives Savvio drives support the SAS Protocol specifications to the extent described in this manual The SAS Inter face Manual part number 100293071 describes the g...

Page 12: ...2 Savvio 10K 2 SAS Product Manual Rev B...

Page 13: ...losure 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...

Page 14: ...ents 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...

Page 15: ...d 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 tha...

Page 16: ...6 Savvio 10K 2 SAS Product Manual Rev B...

Page 17: ...This allows you to continue to leverage your existing investment in SCSI while gaining a 3Gb s serial data transfer rate The head and disc assembly HDA is sealed at the factory Air recirculates within...

Page 18: ...mat 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 perform...

Page 19: ...between other drive families and from generation to genera tion depending on how each block size actually formats out for zone frequencies and splits over servo bursts This added capacity potential ma...

Page 20: ...g 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 ship...

Page 21: ...d 10k 10k rpm Avg rotational latency 3 0 3 0 msec 4 2 Seek performance characteristics See Section 9 4 1 SAS physical interface on page 56 and the SAS Interface Manual part number 100293071 for additi...

Page 22: ...port 600 Mbytes sec Logical block sizes Default is 512 byte data blocks Variable 512 to 528 bytes per sector in evenly divisible by 4 number of bytes per sector 512 516 520 524 or 528 If n number of...

Page 23: ...he 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 co...

Page 24: ...e 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...

Page 25: ...etch read look ahead is enabled enabled by DRA 0 the drive enables prefetch of contiguous blocks from the disc when it senses that a prefetch hit will likely occur The drive disables prefetch when it...

Page 26: ...16 Savvio 10K 2 SAS Product Manual Rev B...

Page 27: ...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 5 1 2 Unrecoverable Errors An...

Page 28: ...e the MTBF The AFR MTBF is a population statistic not relevant to individual units The AFR MTBF specification is based on the following assumptions for Business Critical Storage System environments 8...

Page 29: ...al 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...

Page 30: ...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 continual...

Page 31: ...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 5 2 6 1 DST failure definition The drive will present...

Page 32: ...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 s...

Page 33: ...ST 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...

Page 34: ...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 repai...

Page 35: ...ilable plus 12V max start current margins of 15A for DC and 20A for AC All others have 10 margin added Table 12 ST9146802SS DC power requirements Notes ST9146802SS 1 5 Gbit mode ST9146802SS 3 0 Gbit m...

Page 36: ...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...

Page 37: ...are peak to peak measurements and apply at the drive power connector 6 2 2 Power sequencing The drive does not require power sequencing The drive protects against inadvertent writing during power up a...

Page 38: ...28 Savvio 10K 2 SAS Product Manual Rev B Figure 3 ST973402SS current profile Note All times and currents are typical See Tables 12 and 13 for maximum current requirements...

Page 39: ...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 corresp...

Page 40: ...peratures are not exceeded Occasional excursions to drive ambient temperatures of 131 F 55 C or 41 F 5 C may occur without impact to specified MTBF Air flow may be needed to achieve these tempera ture...

Page 41: ...ve The drive as installed for normal operation shall operate error free while subjected to intermittent shock not exceeding 20 Gs at a maximum duration of 2 msec half sinewave Shock may be applied in...

Page 42: ...aged 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 eq...

Page 43: ...to peak 20 500 Hz 3 0 G zero to peak Vibration may be applied in the X Y or Z axis Non operating translational random flat profile 10 500 Hz 1 2 GRMS 6 4 5 Air cleanliness The drive is designed to ope...

Page 44: ...red 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...

Page 45: ...accessory However dimensions of the front panel are shown in figure below Refer to Figure 8 for detailed mounting configuration dimensions See Section 8 3 Drive mounting Figure 8 Mounting configuratio...

Page 46: ...36 Savvio 10K 2 SAS Product Manual Rev B...

Page 47: ...ist 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 li...

Page 48: ...e in LBA recovery is determined by the read and write retry counts Table 14 equates the read and write retry count with the maximum possible recovery time for read and write recovery of individual LBA...

Page 49: ...by the drive Status returned by the drive to the initiator is described in the SAS Interface Manual Status reporting plays a role in systems error management and its use in that respect is described...

Page 50: ...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 Sc...

Page 51: ...e 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 th...

Page 52: ...e 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 tra...

Page 53: ...ur 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 8 4 Grounding Signal ground PCBA and HDA ground are...

Page 54: ...44 Savvio 10K 2 SAS Product Manual Rev B...

Page 55: ...unctions Table 15 lists the SAS task management functions supported 9 1 2 task management responses Table 16 lists the SAS response codes returned for task management functions supported Table 15 SAS...

Page 56: ...ed negotiation it indicates the only sup ported speed is the speed selected by the first port If the first port to complete speed negotiation looses sync before the second port completes speed negotia...

Page 57: ...upported Y IMMED bit supported Y VS vendor specific N Inquiry 12h Y Date Code page C1h Y Device Behavior page C3h Y Firmware Numbers page C0h Y Implemented Operating Def page 81h Y Jumper Settings pag...

Page 58: ...e 08h Y Control Mode page 0Ah Y Disconnect Reconnect 02h Y Error Recovery page 01h Y Format page 03h Y Information Exceptions Control page 1Ch Y Notch and Partition Page 0Ch N Protocol Specific Port p...

Page 59: ...e 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 30...

Page 60: ...12 AFh N Verify 16 AFh N Verify 32 7Fh 000Ah N Write 6 0Ah Y Write 10 2Ah Y DPO bit Y FUA bit Y Write 12 AAh N Write 16 8Ah N Write 32 7Fh 000Bh N Write and Verify 10 2Eh Y DPO bit Y Write and Verify...

Page 61: ...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 com...

Page 62: ...able For example in Table 19 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 00...

Page 63: ...00 00 00 DEF 87 0a 00 0b ff 00 00 00 00 00 ff ff CHG 87 0a 0f ff 00 00 00 00 00 00 ff ff DEF 88 12 14 00 ff ff 00 00 ff ff ff ff 80 20 00 00 00 00 00 00 CHG 88 12 a5 00 00 00 ff ff ff ff 00 00 20 00...

Page 64: ...00 00 00 DEF 87 0a 00 0b ff 00 00 00 00 00 ff ff CHG 87 0a 0f ff 00 00 00 00 00 00 ff ff DEF 88 12 14 00 ff ff 00 00 ff ff ff ff 80 20 00 00 00 00 00 00 CHG 88 12 a5 00 00 00 ff ff ff ff 00 00 20 00...

Page 65: ...n N Synchronized locked spindle operation Y Segmented caching N Zero latency read Y Queue tagging up to 64 queue tags supported Y Deferred error handling Y Parameter rounding controlled by Round bit i...

Page 66: ...he SAS device connector J1 Figures 12 and 13 provide the dimensions of the SAS connector Details of the physical electrical and logical characteristics are provided within this section The operational...

Page 67: ...1 27 6X 1 27 14X 15 875 0 35MIN 15 875 33 43 0 05 B 4 90 0 08 0 84 0 05 22X 0 15 B P15 P1 S7 S1 SEE Detail1 0 30 0 05 4X 4 00 0 08 0 15 D 0 30 0 05 2X 41 13 0 15 B B C C A A 0 20 B 42 73 REF C OF DATU...

Page 68: ...x 45 5X 0 40 0 05 X 45 3X CORING ALLOWED IN THIS AREA 2 25 0 05 4 85 0 05 0 10 B E S14 S8 4 40 0 15 SEE Detail 2 3 90 0 15 SECTION A A SECTION C C A 0 35 0 05 45 R0 30 0 08 C 1 95 0 08 0 08 0 05 1 23...

Page 69: ...nto a backpanel or accept cables 9 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 Short pi...

Page 70: ...mon 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 i...

Page 71: ...s are graphical representations of the voltage and time limits on the signal at the compliance point The time values between X1 and 1 X1 cover all but 10 12 of the jitter population The random content...

Page 72: ...stalk are taken into account 9 5 2 1 3 Jitter tolerance masks Figure 16 describes the receive tolerance eye masks and is constructed using the X2 and Z2 values given in table 29 X1OP is half the value...

Page 73: ...Z1OP X1OP and X2OP are the values in table 28 for Z1 X1 and X2 The X1 points in the receive tolerance masks are greater than the X1 points in the receive masks due to the addition of sinusoidal jitte...

Page 74: ...e transition with a repeating 0101b pattern on the physical link The same stable trigger coherent to the data stream shall be used for both the Tx and Tx signals Skew is defined as the time difference...

Page 75: ...he same stable trigger coherent to the data stream shall be used for both the Rx and Rx signals Skew is defined as the time difference between the means of the midpoint crossing times of the Rx signal...

Page 76: ...p c Sinusoidal swept frequency 900 kHz to 5 MHz d Sinusoidal swept frequency 1 800 kHz to 5 MHz e No value is given for random jitter For compliance with this standard the actual random jitter amplitu...

Page 77: ...measurement applies only to the mated connector pair at each end as applicable d Where the media has an electrical length of 4 ns the procedure detailed in SFF 8410 or an equivalent procedure shall be...

Page 78: ...equation for 3 0 Gbps for 50 MHz f 3 0 GHz and for 3 0 GHz f 5 0 GHz where a f is the signal frequency in hertz The TCTF is used to specify the requirements on transmitters that may or may not incorp...

Page 79: ...est load Figure 20 shows an ISI loss example at 3 0 Gbps Figure 20 ISI loss example at 3 0 Gbps Tx Tx 10 nF 50 ohm 50 ohm Probe points SAS internal connector TCTF 10 nF Tx Tx 10 nF 50 ohm 50 ohm Probe...

Page 80: ...phy has the addi tional sinusoidal jitter present that is specified in table 30 and the common mode signal VCM over frequency range FCM as specified in table 26 The jitter tolerance is shown in Figur...

Page 81: ...and other channel related information To learn more about the ben efits or to register go to spp seagate com any time from anywhere in the world Seagate Service Centers Presales Support Our Presales...

Page 82: ...jabil com Data Recovery Services Call center Toll free Direct dial FAX USA Canada 1 800 475 01435 1 905 474 2162 1 800 475 0158 and Mexico 1 905 474 2459 1 Hours of operation are 8 00 A M to 7 00 P M...

Page 83: ...al our presales and technical support call center at 1 405 324 4714 from 8 00 A M to 11 45 A M and 1 00 P M to 5 00 P M Central Europe time Mon day through Friday The presales and technical support ca...

Page 84: ...New Zealand 0800 443988 Singapore 800 1101 150 65 6488 7525 Taiwan Mandarin 1 4 00 800 0830 1730 Thailand 001 800 11 0032165 Customer Service Operations Warranty Service Call center Toll free Direct...

Page 85: ...egments 14 caching write data 14 Canadian Department of Communications 3 capacity unformatted 11 case temperature 30 check condition status 55 class B limit 3 clear ACA function 45 clear task set func...

Page 86: ...ents 45 interleave minimum 12 intermediate condition met good status 55 intermediate good status 55 internal data rate 11 internal defects errors 37 internal drive characteristics 11 IRAW 40 J jumpers...

Page 87: ...equencing 27 power distribution 3 prefetch multi segmented cache control 13 preventive maintenance 17 Q queue tagging 55 R radio interference regulations 3 RCD bit 13 read error rates 17 37 read write...

Page 88: ...CA 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 55 technical support service...

Page 89: ......

Page 90: ...Seagate Technology LLC 920 Disc Drive Scotts Valley California 95066 4544 USA Publication Number 100384760 Rev B Printed in USA...

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