Instruction/ maintenance manual of the product ST3450802SS Seagate
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Product Manual Cheet ah ® NS 10K.2 SAS 100516228 Re v . C Nov ember 2009 ST3600002SS ST3450802SS.
Copyright © 2009 Seagate T echnology LLC. All right s reserved. Printed in U.S.A. Publication number: 100516228 , Rev . C, November 2009 Seagate, Seagate T echnology and the W av e logo are registered trademarks of Seagate T echnolog y LLC in the Unite d States and/or ot her countries .
Cheetah NS 10K.2 SAS Pr oduct Manual, Rev. C i Content s 1.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Standards, compliance a nd reference documents .
ii Cheetah NS 10K.2 SAS Product Manual, Rev. C 6.4.2 Relative humidit y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 6.4.3 Effective altitude (sea level) . . . . . . . . . . . . . . . . . . . . . .
Cheetah NS 10K.2 SAS Pr oduct Manual, Rev. C 1 1.0 Scope This manual describes Seagate T echnology ® LLC, Cheeta h ® NS 10K.2 SAS (Serial Attached SCSI) disk drives. Cheetah d rives support the SAS Pr ot ocol specifications to the extent descr ibed in this manual.
2 Che etah NS 10K.2 SAS Pr oduct Manual, Rev. C 2.0 S t andards, compliance and reference documents The drive has been developed as a syst em peripheral to the highest standa rds of design and construction.
Cheetah NS 10K.2 SAS Pr oduct Manual, Rev. C 3 2.2 Compliance 2.2.1 Elec tromagnetic compliance Seagate uses an in dependent laborator y to confirm comp liance with the di rectives/s tan dards for CE Marking and C-T ick Marking. The drive was tested in a represen t ative system for typical applications.
4 Che etah NS 10K.2 SAS Pr oduct Manual, Rev. C 2.3 Reference document s SCSI Commands Reference Manual Seagate p art number: 10 0293068 SAS Interface Manua l Seagate part nu mber: 100293071 Applicable ANSI SAS documents SFF-8323 3.
Cheetah NS 10K.2 SAS Pr oduct Manual, Rev. C 5 3.0 General description Cheetah ® NS 10K.2 SAS d rives provide high performance, hi gh capacity data storage for a variety of systems including engin eering workstations, netwo rk servers, mainframes, and supercomputers.
6 Che etah NS 10K.2 SAS Pr oduct Manual, Rev. C 3.1 St andard features Cheetah NS SAS drives have the following standard features: • Perpendicu lar recordin g technology • 1.
Cheetah NS 10K.2 SAS Pr oduct Manual, Rev. C 7 3.5 Formatted cap acities S tandard OEM models are formatted to 5 12 bytes per blo ck. The block size is select able at format time and must be a multiple of 4 bytes.
8 Che etah NS 10K.2 SAS Pr oduct Manual, Rev. C 4.0 Performance characteristics This section provides det ailed information concerning performa nce-related characte ristics and features of Cheetah NS SAS drives.
Cheetah NS 10K.2 SAS Pr oduct Manual, Rev. C 9 4.2.2 Format command exe cu ti o n tim e (m inu te s ) ST3600002SS ST345080 2SS Maximum (with verify) 182 129 Maximum (without verify) 101 68 Execution t.
10 Cheetah NS 10 K.2 SAS Product M anual, Rev. C 4.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read look-ahe ad) and mu lti-seg mented cache control algo rithms that in many cases can enhance system performance . Cache refers to the drive buffer storage space wh en it is used in cache operations.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 11 The buf fer segment ation scheme is set up or changed indepe ndently , having nothing to do with the st ate of RCD.
12 Cheetah NS 10 K.2 SAS Product M anual, Rev. C 5.0 Reliability specifications The following reliability specifications assume correct host and drive operational interfac e, including all inter- face timings, power supply volt ages, environment al requirement s and drive mounting co nstraint s.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 13 a seek positioning error (E rror code = 15h or 02h) will be reported with a Hardware error (04h) in the Sense Key . Recoverable seek errors are spe cified at Less than 10 errors in 10 8 seeks. Unrecoverable seek errors (Sense Key = 04h) are classified as drive failures.
14 Cheetah NS 10 K.2 SAS Product M anual, Rev. C 5.2.4 S.M.A.R.T . S.M.A.R.T . is an acronym for Self-Monitoring Analysis and Reporting T e chnology . This technology is intended to recognize conditio.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 15 the interval expires, the err or rate is consider ed to be unaccepta ble. If the number of errors does not exceed the thresh old before the interval expires, the error rate is considered to be acce ptable.
16 Cheetah NS 10 K.2 SAS Product M anual, Rev. C The most thorough op tion is the extended test tha t perf orms various tests on the drive a nd sca ns ev er y lo gic al block address (LBA) of the drive.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 17 Each test consists of three segment s: an electrical te st segme nt, a servo test segment, and a read/verify scan segment. Short test (Function Cod e: 001b) The purpose of the sh ort test is to pr ovide a time-limited test that test s as much of the dr ive as possible within 120 seconds.
18 Cheetah NS 10 K.2 SAS Product M anual, Rev. C warranty information, refer to the st andard terms and conditions of purchase f or Seagate pr oducts on your pur - chase docume n tation. The remaining warranty for a partic ular drive can be determ ined by calling Seagate Customer Service at 1-800-468-347 2.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 19 6.0 Physical/electrical specifications This section provides information relating to the physical and electrical char acteristics of the drive. 6.1 AC power requirement s None. 6.2 DC power requirement s The volt age and current requireme nts for a single drive ar e shown below .
20 Cheetah NS 10 K.2 SAS Product Ma nual, Rev. C transient response. [6] During idle, the drive heads are relocated every 60 seconds to a random location within the band fro m thr ee-quarters to maximum track.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 21 6.2.1 Conducted noise immunity Noise is specified as a period ic and random distrib uti on of frequencie s covering a band from DC to 10 MHz. Maximum allowed noise values given belo w are peak-t o-peak mea surement s and apply at the drive power connector .
22 Cheetah NS 10 K.2 SAS Product Ma nual, Rev. C Figure 1. T ypical ST 3600002SS driv e +5V and +12V current profiles Figure 2. T ypical ST 3450802SS driv e +5V and +12V current profiles.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 23 6.3 Power dissip ation ST3600002SS T ypical power dissipation under idle conditions in 6Gb operation is 10.03W (34.23 BTUs per hour) T o obtain operating powe r for typical random read operations, re fer to the following I/ O rate cur ve (see Figur e 3).
24 Cheetah NS 10 K.2 SAS Product Ma nual, Rev. C 6.4 Environment al limits T emperature and hum idity values exper ienced by the d riv e must be such that condens ation does not occur on any drive part. Altitude and atmospheric p ressure specif icat ions are referenced to a st andard day at 58.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 25 6.4.2 Relative humidity The values below assume that no condensation on the dr ive occurs. a. Operating 5% to 95% non-condensing re lative humidity with a maximum gradie nt of 20% per hour . b. Non-operatin g 5% to 95% non-condensing relative humidity .
26 Cheetah NS 10 K.2 SAS Product Ma nual, Rev. C d. Packaged Disk drives shipped as loose load (not p alletized) general freight will be packaged to withs tand drop s from heights as define d in the table below . For additional det ails refer to Seagate specificatio ns 30190-001 (under 100 lbs/45 kg) or 30191-00 1 (over 100 lbs/45 Kg) .
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 27 6.4.4.2 Vibration a. Operating—normal The drive as inst alled for norm al operation, shall comply with the complete sp ecified performance while subjected to continuous vi bration not exceeding 10 - 300 Hz 1.
28 Cheetah NS 10 K.2 SAS Product Ma nual, Rev. C e x posed to an ambient rela tiv e humidity greater than 95% . Materials used in cabin et f abrication, such as vulca- nized rubber , that can outgas corrosiv e compounds should be minimized or eliminated.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 29 6.5 Mechanical specifications Refer to Figure 7 for det ailed physical dim ensions. See Sec tio n 8. 3, “Dr ive mo un tin g. ” Figure 7. Phy sical dimensio ns Height: 1.013 in 25.73 mm Width: 3.999 in 101.
30 Cheetah NS 10 K.2 SAS Product M anual, Rev. C 7.0 Defect and error management Seagate continues to use innova tive technologies to manage d efects and erro rs. These technologie s are designed to increase dat a integrity , perform drive self-maintenance, and validat e proper drive operation.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 31 read or re-write a ttempt. The maximum level u sed by the drive in LBA recovery is determin ed by the read and write retry counts. T able 14 equates the read a nd write retry count with the maximum possible recovery time for re ad and write recovery of individual LBAs.
32 Cheetah NS 10 K.2 SAS Product M anual, Rev. C 7.3 SAS system errors Information on the reporting of oper ational errors or faults across the interface is given in the SAS Interface Manual . The SSP Response retur ns information to the h ost about numerous kinds of errors or faults.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 33 ations perfo rmed by the dr ive. When a write com mand is received for an LBA mark ed for DAR, the auto -reallo- cation proc ess is invoke d and attempts t o rewrite the data to the original location. If a verification of this rewrite fails, the sector is re-mapp ed to a spare location.
34 Cheetah NS 10 K.2 SAS Product M anual, Rev. C 8.0 Inst allation Cheetah disk drive installation is a plug-an d-play proces s. There are no jumpers, switches, or ter minators on the drive. SAS drives are designed to be used in a host system that provides a SAS-compatible backplane with bays designed to accommo date the drive.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 35 8.2 Cooling The host enclosure must dissip ate heat from the drive. Y ou should co nf irm that the host encl osure is designed to ensure that the drive op erates within the temp eratur e measurement guideline s described in Section 6.
36 Cheetah NS 10 K.2 SAS Product M anual, Rev. C 8.3 Drive mounting Mount the drive usin g the bottom or side mounting holes . If you mount the drive using the bottom hole s, ensure that you do not physically d istort the driv e by at tempting to mount it on a stiff, non-flat surfa ce.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 37 9.0 Interface requirements This section partially descr ibe s the inter face re quir em ent s as implemente d on Cheet ah drives. Additional info r- mation is provided in the SAS Interface Manual (p art number 1 00293071).
38 Cheetah NS 10 K.2 SAS Product M anual, Rev. C 9.2 Dual port support Cheetah SAS drives have two independent port s. These ports may be connected in the same or di f ferent SCSI domains. Each drive port has a unique SAS address. The two port s run at the same link rate .
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 39 9.3 SCSI commands supported T able 17 lists the SCSI commands suppo rted by Cheetah drive s. T able 17: Commands supported by Cheet ah ® NS 10K.
40 Cheetah NS 10 K.2 SAS Product M anual, Rev. C Non-medium Error p age (06h) Y Pages Supported list (00h) Y Read Error Counter page (03h) Y Read Reve rse Error Counte r page (04h) N Self-test Results.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 41 Reassign Bl ocks 07h Y Receive Diagnostic Results 1Ch Y Supported Diagnostics pages (00h ) Y T ranslate page (40h ) Y Release 17h Y Release (10) 57h Y R.
42 Cheetah NS 10 K.2 SAS Product M anual, Rev. C [1] Cheet ah NS drives can f or mat to 512, 520, 52 4, or 528 b ytes per logica l blo c k. [2] Wa r n i n g . Power loss during flash pr ogramming can result in firmware corruption. This usually makes the drive inoperable.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 43 9.3.1 Inquir y da ta T able 18 lists the In quiry command dat a that the drive should return to the initiator per the format given in the SAS Interfac e Manual .
44 Cheetah NS 10 K.2 SAS Product M anual, Rev. C On drives requiring unique sa ved values, the requir ed unique saved values are stored in to the saved val - ues storage location on the media prior to shipping the drive. Some drives may have uniqu e firmware with unique default values also.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 45 9.3.2.1 ST3600002SS Mode Sense dat a HEADER DATA: 00 00 05 12 8B 00 10 02 MODE PAGES: DEF 80 06 00 80 0F 00 00 00 CHG 80 06 B7 C0 8F 00 00 00 DEF 81 0A .
46 Cheetah NS 10 K.2 SAS Product M anual, Rev. C 9.3.2.2 ST3450802SS Mode Sense dat a HEADER DATA: 00 00 05 12 8B 00 10 02 MODE PAGES: DEF 80 06 00 80 0F 00 00 00 CHG 80 06 B7 C0 8F 00 00 00 DEF 81 0A.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 47 9.4 Miscellaneous operating features and conditions T able 19 lists various features and cond itions. A “Y” in t he support column indicates t he feature or condition is supported. An “N” in the support column indicates the feat ure or condition is not supported.
48 Cheetah NS 10 K.2 SAS Product M anual, Rev. C 9.4.1 SAS physical interfac e Figure 10 shows the location of the SAS device connector J1. Figur es 1 1 and 12 provide the dimensions of the SAS device. Details of the physical, electrical, an d logical char acteristics are provided wi thin this section.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 49 Figure 1 1. SAS connector dimens ions C OF DATUM B L 5.08 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.
50 Cheetah NS 10 K.2 SAS Product M anual, Rev. C Figure 12. SAS con nector dimens ions 9.4.2 Physical characteristic s This section defines phys ical interface co nnector . 9.4.3 Connector requirement s Contact your prefer red connector ma nuf acturer for mating par t information.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 51 9.4.4 Electrical d escription SAS drives use the de vice connector for: • DC power • SAS interface • Activity LED This connector is de signed to e ither plug dir ectly into a b ackpanel or accept ca bles.
52 Cheetah NS 10 K.2 SAS Product M anual, Rev. C 9.4.6 SAS transmitters an d rece iv ers A typical SAS differential copper transm itter and receiver p air is shown in Figure 13. The rece iver is AC cou- pling to eliminate ground shif t noise. Figure 13.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 53 The Ready LED Out signal is designed to pu ll down the ca thode of an LED. T he anode is att ached to the proper +3.3 volt supply throu gh an appropriate cu rrent limiting resistor . The LED a nd the current limiting resis- tor are ext ernal to the d rive.
54 Cheetah NS 10 K.2 SAS Product M anual, Rev. C 9.5.2.1.2 Receive eye mask Figure 14 describes the receive eye mask. Th is eye mask applies to jitter af ter the application of a single pole high-p ass frequency-weighting function that progressively attenuates jitte r at 20 dB/decade be low a frequency of ((bit r ate) / 1.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 55 The leading and trailing edge sl opes of figure 14 shall be preserved. As a result th e amplitude value of Z1 is less than that given in table 26 and Z1.
56 Cheetah NS 10 K.2 SAS Product M anual, Rev. C 9.5.2.2 T ransmitter signal characteristic s T able 2 5 specifies the s ignal requir ements at the tran smitter end of a TxRx connec tion as measured into the zero-length test load. All specifications are base d on dif ferential measu rements.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 57 9.5.2.3 Receive r si gn a l ch ara ct eristics T able 26 defines the com pliance point requirement s of the signal at the receiver end of a TxRx conn ection as measured into the test loads specified in fig ure 17 and figure 18.
58 Cheetah NS 10 K.2 SAS Product M anual, Rev. C 9.5.2.3.2 Receiver jitte r tolerance T able 28 defines the amount of jitter the receiver shall to lerate. 9.5.2.3.3 Compliant jitter test pat tern (CJTP A T) The CJTP A T within a compliant protocol frame is used for all jitter testin g un less otherwise specified.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 59 9.5.2.4 Electrical TxRx connections TxRx connec tions may be divid ed into TxRx conn ecti on segments. In a sing le TxRx connection individual TxRx connection segment s may be formed from dif fering media and materials, inclu ding traces on printed wir- ing boards and optical fib ers.
60 Cheetah NS 10 K.2 SAS Product M anual, Rev. C mitter signal at the test point s on the required test loads. The transmitte r uses the same settings (e.g., pr e- emphasis, voltag e swing) with both the zero-length test load and the TCTF test load. The signa l specifications at IR are met under ea ch of these loading conditions.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 61 Figure 18 shows the zero-length test load . Figure 18. Zero-l ength test load Figure 19 shows an ISI loss example at 3.0Gb/s. Figure 19. ISI loss example at 3.0Gb/s Figure 20 shows an ISI loss example at 1.
62 Cheetah NS 10 K.2 SAS Product M anual, Rev. C 9.5.2.5 Receiver characteristics The drive receiver is A.C. coupled. The receive network terminates the TxRx connection by a 100 ohm equiva- lent impedance as specified in table 29.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 63 10.0 Seagate T echnolo gy support services Internet For information regardin g Seagate product s and services, visit www .sea gate.com . Worldwide support is available 24 hours daily by email fo r your questions.
64 Cheetah NS 10 K.2 SAS Product M anual, Rev. C Customer Service Operations W arranty Service Seagate of fers worldwide customer su ppo rt for Seag ate products. Seagate di stri buto r s, OEMs and ot her direct customers should contact their Seagate Customer Serv ice Operations (CSO) re presentative for warr anty- related issues.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 65 Index Numerics 12 volt pins 52 5 volt pins 52 6 Gbps 62 A abort task set f unction 37 AC coupling 52 AC power requirements 19 ACA active status 47 ACA a.
66 Cheetah NS 10 K.2 SAS Product M anual, Rev. C environmen tal limits 24 requirements 12 environmenta l control 27 error management 30 rates 12 errors 30 EU RoHS di recti ve 28 F FCC rules and regula.
Cheetah NS 10K.2 SAS Produ ct Manual, Rev. C 67 N noise audible 2 noise immunity 21 non-operat ing 25 , 27 temperatur e 24 non-operat ing vibration 27 O office enviro nment 27 operating 25 , 26 , 27 o.
68 Cheetah NS 10 K.2 SAS Product M anual, Rev. C allowable for non- flat surface 36 switches 34 synchronized spindle operation 47 system chassis 36 T task management functions 37 Abort task set 37 Cle.
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Seagate T echnology LLC 920 Disc Drive, Scotts V alley , California 95066-4544 , USA Publication Number: 1005162 28, Rev . C, Printed in USA.
An important point after buying a device Seagate ST3450802SS (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Seagate ST3450802SS yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Seagate ST3450802SS - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Seagate ST3450802SS you will learn all the available features of the product, as well as information on its operation. The information that you get Seagate ST3450802SS will certainly help you make a decision on the purchase.
If you already are a holder of Seagate ST3450802SS, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Seagate ST3450802SS.
However, one of the most important roles played by the user manual is to help in solving problems with Seagate ST3450802SS. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Seagate ST3450802SS along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
