SEAGATE ST3146356SSIM - Manuals

Cheetah 15K.6 SAS Product Manual, Rev. B 1 1.0 Scope This manual describes Seagate Technology ® LLC, Cheetah ® SAS (Serial Attached SCSI) disk drives. Cheetah 15K.6 drives support the SAS Protocol specifications to the extent described in this manual. The SAS Interface Manual (part number 100293071)...

Cheetah 15K.6 SAS Product Manual, Rev. B 3 2.0 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 performa...

4 Cheetah 15K.6 SAS Product Manual, Rev. B 2.2 Compliance 2.2.1 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 selec...

Cheetah 15K.6 SAS Product Manual, Rev. B 5 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 restri...

Cheetah 15K.6 SAS Product Manual, Rev. B 7 3.0 General description Cheetah 15K.6 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 t...

8 Cheetah 15K.6 SAS Product Manual, Rev. B 3.1 Standard features Cheetah 15K.6 drives have the following standard features: • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol• Support for SAS expanders and fanout adapters• Firmware ...

Cheetah 15K.6 SAS Product Manual, Rev. B 9 3.4 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 3.5 Formatted capacities Standard OEM models are formatted to 512 ...

Cheetah 15K.6 SAS Product Manual, Rev. B 11 4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Cheetah 15K.6 drives. 4.1 Internal drive characteristics ST3450856SS ST3300656SS ST3146356SS ST3450056SS ST3300056SS S...

12 Cheetah 15K.6 SAS Product Manual, Rev. B 4.2.2 Format command execution time (minutes) When changing sector sizes, the format times shown below may need to be increased by 30 minutes. Note. There is no significant difference in the format time between FDE and non-FDE models of the same capacity. ...

Cheetah 15K.6 SAS Product Manual, Rev. B 13 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 t...

Cheetah 15K.6 SAS Product Manual, Rev. B 15 5.0 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. 5.1 Error rates...

16 Cheetah 15K.6 SAS Product Manual, Rev. B 5.1.3 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...

Cheetah 15K.6 SAS Product Manual, Rev. B 17 5.2.4 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 yo...

20 Cheetah 15K.6 SAS Product Manual, Rev. B A Drive Not Ready condition is reported by the drive under the following conditions:• 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 respo...

Cheetah 15K.6 SAS Product Manual, Rev. B 23 6.0 Physical/electrical specifications This section provides information relating to the physical and electrical characteristics of the drive. 6.1 AC power requirements None. 6.2 DC power requirements The voltage and current requirements for a single drive...

Cheetah 15K.6 SAS Product Manual, Rev. B 29 Figure 3. Typical 146GB current profiles

30 Cheetah 15K.6 SAS Product Manual, Rev. B 6.3 Power dissipation ST3450856SS model Typical power dissipation under idle conditions in 3Gb operation is 11.85 watts (40.44 BTUs per hour). To obtain operating power for typical random read operations, refer to the following I/O rate curve (see Figure 4...

Cheetah 15K.6 SAS Product Manual, Rev. B 35 ST3146756SS (FDE) model in 3 Gbit operation Typical power dissipation under idle conditions in 3Gb operation is 9.15 watts (31.22 BTUs per hour). To obtain operating power for typical random read operations, refer to the following I/O rate curve (see Figur...

36 Cheetah 15K.6 SAS Product Manual, Rev. B 6.4 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...

38 Cheetah 15K.6 SAS Product Manual, Rev. B 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 lbs/45 kg) or 30191-0...

40 Cheetah 15K.6 SAS Product Manual, Rev. B 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 ...

Cheetah 15K.6 SAS Product Manual, Rev. B 41 Figure 12. Physical dimensions 26.11 MAX (1.028 MAX) 2X 20.14 (2X .793) 6.35 (.250) 24.00 (.945) 2X 28.45 (2X 1.120) 2X 70.05 (2X 2.758) 122.00 (4.803) 2X 130.05 (2X 5.120) 0.36 ( .014) 146.99 MAX (5.787 MAX) 131.17 (5.164) 85.60 (3.370) 41.15 (1.620) 2X 2...

Cheetah 15K.6 SAS Product Manual, Rev. B 43 7.0 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 ...

44 Cheetah 15K.6 SAS Product Manual, Rev. B 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 m...

Cheetah 15K.6 SAS Product Manual, Rev. B 47 8.0 Installation Cheetah 15K.6 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...

48 Cheetah 15K.6 SAS Product Manual, Rev. B If forced air is determined to be necessary, possible air-flow patterns are shown in Figure 13. 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...

Cheetah 15K.6 SAS Product Manual, Rev. B 51 9.0 Interface requirements This section partially describes the interface requirements as implemented on Cheetah 15K.6 drives. Addi-tional information is provided in the SAS Interface Manual (part number 100293071). 9.1 SAS features This section lists the ...

52 Cheetah 15K.6 SAS Product Manual, Rev. B 9.2 Dual port support Cheetah 15K.6 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 run at the same link rate. The first port to successfull...

Cheetah 15K.6 SAS Product Manual, Rev. B 53 9.3 SCSI commands supported Table 21 lists the SCSI commands supported by Cheetah 15K.6 drives. Table 21: Commands supported by Cheetah 15K.6 SAS family drives Command name Command code Supported Change Definition 40h N Compare 39h N Copy 18h N Copy and Ve...

54 Cheetah 15K.6 SAS Product Manual, Rev. B Non-medium Error page (06h) Y Pages Supported list (00h) Y Read Error Counter page (03h) Y Read Reverse Error Counter page (04h) N Self-test Results page (10h) Y Background Medium Scan page (15h) Y Start-stop Cycle Counter page (0Eh) Y Temperature page (0D...

Cheetah 15K.6 SAS Product Manual, Rev. B 57 9.3.1 Inquiry data Table 22 lists the Inquiry command data that the drive should return to the initiator per the format given in the SAS Interface Manual. Table 22: Inquiry data * Copyright year (changes with actual year). ** SCSI Revision support. Refer t...

58 Cheetah 15K.6 SAS Product Manual, Rev. B 9.3.2 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...

62 Cheetah 15K.6 SAS Product Manual, Rev. B 9.4 Miscellaneous operating features and conditions Table 23 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 supporte...

Cheetah 15K.6 SAS Product Manual, Rev. B 63 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.. Figure 14. Physical interface SAS Interface connector

64 Cheetah 15K.6 SAS Product Manual, Rev. B Figure 15. SAS connector dimensions 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 0.30 0.05 (2X) 41.13 0.15 B B C C A A 0.20 B 42.73 REF...

Cheetah 15K.6 SAS Product Manual, Rev. B 65 Figure 16. SAS connector dimensions 9.4.2 Physical characteristics This section defines physical interface connector. 9.4.3 Connector requirements The SAS connector on the drive complies with SFF-8482. Contact your preferred connector manufacturer for mati...

66 Cheetah 15K.6 SAS Product Manual, Rev. B 9.4.4 Electrical description 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. 9.4.5 Pin descriptions This section provides a pin-out of th...

Cheetah 15K.6 SAS Product Manual, Rev. B 67 9.4.6 SAS transmitters and receivers A typical SAS differential copper transmitter and receiver pair is shown in Figure 17. The receiver is AC cou-pling to eliminate ground shift noise. Figure 17. SAS transmitters and receivers 9.4.7 Power The drive receiv...

68 Cheetah 15K.6 SAS Product Manual, Rev. B 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 ...

Cheetah 15K.6 SAS Product Manual, Rev. B 69 9.5.2.1.2 Receive eye mask Figure 18 describes the receive eye mask. This eye mask applies to jitter after the application of a single pole high-pass frequency-weighting function that progressively attenuates jitter at 20 dB/decade below a frequency of ((b...

70 Cheetah 15K.6 SAS Product Manual, Rev. B The leading and trailing edge slopes of figure 18 shall be preserved. As a result the amplitude value of Z1 is less than that given in table 30 and Z1 TOL and Z1 OP shall be defined from those slopes by the following equa- tion: where: Z1 TOL is the value ...

Cheetah 15K.6 SAS Product Manual, Rev. B 71 9.5.2.2 Transmitter signal characteristics Table 29 specifies the signal requirements at the transmitter end of a TxRx connection as measured into the zero-length test load. All specifications are based on differential measurements. The OOB sequence is per...

72 Cheetah 15K.6 SAS Product Manual, Rev. B 9.5.2.3 Receiver signal characteristics Table 30 defines the compliance point requirements of the signal at the receiver end of a TxRx connection as measured into the test loads specified in figure 21 and figure 22. 9.5.2.3.1 Jitter Table 31 defines the ma...

Cheetah 15K.6 SAS Product Manual, Rev. B 73 9.5.2.3.2 Receiver jitter tolerance Table 32 defines the amount of jitter the receiver shall tolerate . 9.5.2.3.3 Compliant jitter test pattern (CJTPAT) The CJTPAT within a compliant protocol frame is used for all jitter testing unless otherwise specified....

74 Cheetah 15K.6 SAS Product Manual, Rev. B 9.5.2.4 Electrical TxRx connections TxRx connections may be divided into TxRx connection segments. In a single TxRx connection individual TxRx connection segments may be formed from differing media and materials, including traces on printed wir-ing boards ...

Cheetah 15K.6 SAS Product Manual, Rev. B 75 A combination of a zero-length test load and the transmitter compliance transfer function (TCTF) test load methodology is used for the specification of transmitter characteristics. This methodology specifies the trans-mitter signal at the test points on th...

76 Cheetah 15K.6 SAS Product Manual, Rev. B Figure 22 shows the zero-length test load. Figure 22. Zero-length test load Figure 23 shows an ISI loss example at 3.0 Gbps. Figure 23. ISI loss example at 3.0 Gbps Figure 24 shows an ISI loss example at 1.5 Gbps. Figure 24. ISI loss example at 1.5 Gbps Tx...

Cheetah 15K.6 SAS Product Manual, Rev. B 77 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 33. The receiver operates within a BER of 10 -12 when a SAS signal with valid v...

Cheetah 15K.6 SAS Product Manual, Rev. B 79 10.0 Seagate Technology support services Internet For information regarding Seagate products and services, visit www.seagate.com . Worldwide support is available 24 hours daily by email for your questions. Presales Support: [email protected] Technical S...

80 Cheetah 15K.6 SAS Product Manual, Rev. B Customer Service Operations Warranty Service Seagate offers worldwide customer support for Seagate products. Seagate distributors, OEMs and other direct customers should contact their Seagate Customer Service Operations (CSO) representative for warranty-re...

Cheetah 15K.6 SAS Product Manual, Rev. B 81 Index Numerics 12 volt pins 67 5 volt pins 67 A abort task set function 51 AC coupling 67 AC power requirements 23 ACA active status 62 ACA active, faulted initiator status 62 acoustics 39 active LED Out signal 67 actuator assembly design 7 adaptive cachin...

84 Cheetah 15K.6 SAS Product Manual, Rev. B T task management functions 51 Abort task set 51 Clear ACA 51 Clear task set 51 terminate task 51 task management response codes 51 Function complete 00 51 Function not supported 05 51 Function reject 04 51 task set full status 62 technical support service...