Page 2 - © 2012 Seagate Technology LLC. All rights reserved.
© 2012 Seagate Technology LLC. All rights reserved. Publication number: 100516226, Rev. F December 2012 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 registe...
Page 3 - ONTENTS; AC
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F I C ONTENTS S EAGATE ® T ECHNOLOGY S UPPORT S ERVICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.0 S COPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 4 - SAS
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F II C ONTENTS 6.2.2 Power sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 6.2.3 Current profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 7 - COPE; This manual describes Seagate Technology
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 2 1.0 S COPE This manual describes Seagate Technology ® LLC, Cheetah ® 15K.7 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 numb...
Page 8 - TANDARDS; Electromagnetic compatibility; OMPLIANCE; Electromagnetic compliance
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 3 2.0 S TANDARDS , 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 ...
Page 9 - Korean KCC; SAS Interface Manual
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 4 Australian C-Tick If this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/NZS3548 1995 and meets the Electromagnetic Compatibility (EMC) Framework requirements of Australia’s Spectrum Management Agency (SMA). Korean...
Page 10 - ENERAL DESCRIPTION
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 5 3.0 G ENERAL 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 interface is desi...
Page 11 - TANDARD FEATURES
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 6 3.1 S TANDARD FEATURES Cheetah 15K.7 drives have the following standard features: • 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...
Page 12 - ELIABILITY
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 7 3.4 R ELIABILITY • 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 F ORMATTED CAPACITIES Standard OEM models are formatted...
Page 13 - ERFORMANCE CHARACTERISTICS; NTERNAL DRIVE CHARACTERISTICS; Access time
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 8 4.0 P ERFORMANCE CHARACTERISTICS This section provides detailed information concerning performance-related characteristics and features of Cheetah 15K.7 drives. 4.1 I NTERNAL DRIVE CHARACTERISTICS ST3600057SS ST3450857SS ST3300657SS ST3600957SS ST3450...
Page 14 - General performance characteristics; TART
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 9 4.2.3 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-...
Page 15 - ACHE OPERATION; Case A; Drive transfers the requested logical blocks to the initiator.; Case B
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 10 4.5 C ACHE 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 segmen...
Page 16 - Caching write data
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 11 4.5.1 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)...
Page 17 - ELIABILITY SPECIFICATIONS; RROR RATES; Recoverable Errors; ELIABILITY AND SERVICE
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 12 5.0 R ELIABILITY SPECIFICATIONS The following reliability specifications assume correct host and drive operational interface, including all interface timings, power supply voltages, environmental requirements and drive mounting constraints. 5.1 E RRO...
Page 18 - Preventive maintenance; No routine scheduled preventive maintenance is required.; Hot plugging the drive
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 13 5.2.1 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...
Page 19 - 2 milliseconds
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 14 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 recreated. The drive measures and saves parameters once every two hours subject to an idle period on the drive interfaces. Th...
Page 20 - DST failure definition; Table 2; Parameter Code
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 15 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 ...
Page 21 - Implementation; DST has two testing options:
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 16 5.2.6.2 Implementation This section provides all of the information necessary to implement the DST function on this drive. 5.2.6.2.1 State of the drive prior to testing The drive must be in a ready state before issuing the Send Diagnostic command. Th...
Page 22 - Log page entries; The Self-Test Results Value field is set to Fh; Abort
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 17 5.2.6.2.4 Log page entries When the drive begins DST, it creates a new entry in the Self-test Results Log 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 t...
Page 23 - HYSICAL; DC; POWER REQUIREMENTS; Table 3
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 18 6.0 P HYSICAL / 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 sin...
Page 24 - Table 4
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 19 Table 4 450 GB DC power requirements N OTES 3 G BIT MODE 6 G BIT MODE (A MPS ) (A MPS ) (A MPS ) (A MPS ) Voltage +5V +12V [2] +5V +12V [2] Regulation [5] ±5% ±5% [2] ±5% ±5% [2] Avg idle current [1] [7] 0.39 0.68 0.41 0.66 Maximum starting current (...
Page 25 - Table 5
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 20 [1] 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. [2] For +12 V, a –10% tolera...
Page 26 - General DC power requirement notes.; Conducted noise immunity; Typical 600GB current profiles
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 21 General DC power requirement notes. 1. Minimum current loading for each supply voltage is not less than 1.7% of the maximum operating current shown. 2. The +5V and +12V supplies should employ separate ground returns. 3. Where power is provided to mul...
Page 27 - Typical 450GB current profiles
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 22 Figure 2. Typical 450GB current profiles Figure 3. Typical 300GB current profiles
Page 28 - OWER DISSIPATION; model
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 23 6.3 P OWER 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 ...
Page 29 - NVIRONMENTAL LIMITS; Temperature
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 24 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...
Page 30 - Location of the HDA temperature check point; Relative humidity; The values below assume that no condensation on the drive occurs.
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 25 DA T emp Check Point 5 1 0 Figure 7. Location of the HDA temperature check point 6.4.2 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...
Page 31 - Shock and vibration; b. Operating—abnormal; Any
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 26 6.4.4 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, resonances may occur...
Page 32 - Recommended mounting; Vibration
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 27 Z Y X Z Y X Figure 8. Recommended mounting 6.4.4.2 Vibration a. Operating—normal The drive as installed for normal operation, shall comply with the complete specified performance while subjected to continuous vibration not exceeding 10 – 300 Hz 1.0 G...
Page 33 - Acoustics
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 28 c. Non-operating 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 resu...
Page 34 - Electromagnetic susceptibility; ECHANICAL SPECIFICATIONS; Physical dimensions
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 29 6.4.9 Electromagnetic susceptibility See Section 2.1.1.1. 6.5 M ECHANICAL SPECIFICATIONS Refer to Figure 9 for detailed physical dimensions. See Section 10.3, “Drive mounting.” 26.11 MAX (1.028 MAX) 2X 20.14 (2X .793) 6.35 (.250) 24.00 (.945) 2X 28.4...
Page 35 - BOUT; FIPS; Purpose; Security Level 2; Example of FIPS tamper evidence labels.; Image is for reference only, may not represent actual drive..
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 30 7.0 A BOUT FIPS The Federal Information Processing Standard (FIPS) Publication 140-2 is a U.S. Government Computer Security Standard used to accredit cryptographic modules. It is titled 'Security Requirements for Cryptographic Modules (FIPS PUB 140-2...
Page 36 - BOUT SELF; • Security Protocol Out; Admin SP; ANDOM NUMBER GENERATOR
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 31 8.0 A BOUT SELF - ENCRYPTING DRIVES Self-encrypting drives (SEDs) offer encryption and security services for the protection of stored data, commonly known as “protection of data at rest.” These drives are compliant with the Trusted Computing Group (T...
Page 37 - The download file must be signed and authenticated.
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 32 8.4 D RIVE LOCKING In addition to changing the passwords, as described in Section 8.2.3, the owner should also set the data access controls for the individual bands. The variable "LockOnReset" should be set to "PowerCycle" to ensure t...
Page 38 - EFECT AND ERROR MANAGEMENT; RIVE INTERNAL DEFECTS
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 33 9.0 D EFECT 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 defe...
Page 39 - SYSTEM ERRORS; Table 6; LBA
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 34 [1] These values are subject to change. Setting these retry counts to a value below the default setting could result in degradation of the unrecovered error rate which may exceed the value given in this product manual. A setting of zero (0) will resu...
Page 41 - NSTALLATION; Power is supplied through the SAS connector.
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 36 10.0 I NSTALLATION Cheetah 15K.7 disk drive installation is a plug-and-play process. There are no jumpers, switches, or terminators on the drive. SAS drives are designed to be used in a host system that provides a SAS-compatible backplane with bays d...
Page 42 - Air flow; RIVE MOUNTING
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 37 Figure 11. Air flow 10.3 D RIVE MOUNTING Mount the drive using the bottom or side mounting holes. If you mount 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 surfac...
Page 43 - NTERFACE REQUIREMENTS; FEATURES; Table 7; Table 8
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 38 11.0 I NTERFACE REQUIREMENTS This section partially describes the interface requirements as implemented on Cheetah 15K.7 drives. Additional information is provided in the SAS Interface Manual (part number 100293071). 11.1 SAS FEATURES This section li...
Page 44 - SCSI; COMMANDS SUPPORTED; Table 9; Command name
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 39 11.3 SCSI COMMANDS SUPPORTED Table 9 lists the SCSI commands supported by Cheetah 15K.7 drives. Table 9 Commands supported by Cheetah 15K.7 SAS family drives Command name Command code Supported Change Definition 40h N Compare 39h N Copy 18h N Copy an...
Page 46 - Reference Mode Sense command 1Ah for mode pages supported.
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 41 [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 inopera- ble. [3] Reference Mode Sense command 1Ah ...
Page 47 - SAS Interface; Default values; Table 10 Cheetah 15K.7 inquiry data
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 42 11.3.1 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 . * Copyright year (changes with actual year). ** SCSI Revision support. Refer to the appropiate S...
Page 48 - Changeable values
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 43 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 changed. A zero (0) indicat...
Page 49 - 00GBmodel Mode Sense data
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 44 11.3.2.1 600GBmodel Mode Sense data MODE DATA HEADER: 01 6e 00 10 00 00 00 08 BLOCK DESCRIPTOR: 45 dd 2f b0 00 00 02 00 MODE PAGES: DEF 81 0a c0 0b ff 00 00 00 05 00 ff ffCHG 81 0a ff ff 00 00 00 00 ff 00 ff ff DEF 82 0e 00 00 00 00 00 00 00 00 01 3a...
Page 50 - 50GB model Mode Sense data
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 45 11.3.2.2 450GB model Mode Sense data MODE DATA HEADER: 01 76 00 10 00 00 00 08 BLOCK DESCRIPTOR: 34 65 f8 70 00 00 02 00 MODE PAGES: DEF 81 0a c0 0b ff 00 00 00 05 00 ff ffCHG 81 0a ff ff 00 00 00 00 ff 00 ff ff DEF 82 0e 00 00 00 00 00 00 00 00 01 3...
Page 51 - 00GB model Mode Sense data; READ BUFFER
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 46 11.3.2.3 300GB model Mode Sense data MODE DATA HEADER: 01 76 00 10 00 00 00 08 BLOCK DESCRIPTOR: 22 ec b2 5c 00 00 02 00 MODE PAGES: DEF 81 0a c0 0b ff 00 00 00 05 00 ff ff CHG 81 0a ff ff 00 00 00 00 ff 00 ff ff DEF 82 0e 00 00 00 00 00 00 00 00 01 ...
Page 52 - ISCELLANEOUS OPERATING FEATURES AND CONDITIONS; Physical interface; Table 11 Miscellaneous features; Table 12 Miscellaneous status; Supported
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 47 11.4 M ISCELLANEOUS OPERATING FEATURES AND CONDITIONS Table 11 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 ...
Page 53 - SAS connector dimensions; C OF DATUM B
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 48 Figure 13. 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....
Page 55 - This section defines physical interface connector.; Table 13 SAS pin descriptions
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 50 11.4.2 Physical characteristics This section defines physical interface connector. 11.4.3 Connector requirements The SAS connector on the drive complies with SFF-8482. Contact your preferred connector manufacturer for mating part information. The SAS...
Page 56 - SAS transmitters and receivers; IGNAL CHARACTERISTICS; Table 14 Ready LED Out conditions; LED
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 51 11.4.6 SAS transmitters and receivers A typical SAS differential copper transmitter and receiver pair is shown in Figure 15. The receiver is AC coupling to eliminate ground shift noise. Figure 15. SAS transmitters and receivers 11.4.7 Power The drive...
Page 57 - PECIFICATION COMPLIANCE; Table 15 LED drive signal; LED o; Table 16 General interface characteristics
C HEETAH 15K.7 SAS P RODUCT M ANUAL , R EV . F 52 11.5.2 Differential signals The drive SAS differential signals comply with the intra-enclosure (internal connector) requirements of the SAS standard. Table 16 defines the general interface characteristics. 11.6 SAS-2 S PECIFICATION COMPLIANCE Seagate...
Page 58 - Numerics; NDEX
Cheetah 15K.7 SAS Product Manual, Rev. F 53 Numerics 12 volt pins 51 5 volt pins 51 6 Gbps 52 A abort task set function 38 AC coupling 51 AC power requirements 18 ACA active status 47 ACA active, faulted initiator status 47 acoustics 28 active LED Out signal 51 actuator assembly design 5 adaptive ca...
Page 59 - See
Cheetah 15K.7 SAS Product Manual, Rev. F 54 signal characteristics 51 specifications 18 electromagnetic compatibility 3 electromagnetic susceptibility 29 EMI requirements 3 encryption engine 31 encryption key 32 environment 36 environmental limits 24 requirements 12 environmental control 28 EraseMas...
Page 61 - See also
Cheetah 15K.7 SAS Product Manual, Rev. F 56 shipping 17 shipping container 24 shock 26 and vibration 26 shock mount 37 SID 31 signal characteristics 51 single-unit shipping pack kit 7 SMART 7 , 13 SMP = 1 in Mode Select command 47 SNW-3 training gap 52 spindle brake 6 standards 3 start/stop time 9 S...
Page 62 - Seagate Technology LLC
Seagate Technology LLC AMERICAS Seagate Technology LLC 10200 South De Anza Boulevard, Cupertino, California 95014, United States, 408-658-1000 ASIA/PACIFIC Seagate Singapore International Headquarters Pte. Ltd. 7000 Ang Mo Kio Avenue 5, Singapore 569877, 65-6485-3888EUROPE, MIDDLE EAST AND AFRICA Se...
