Seagate 15K.2 Savvio 15K.2 SAS Product Manual

Seagate 15K.2 - Savvio 146.8 GB Hard Drive Manual

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  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 1
    Product Manual Savvio® 15K.2 SAS Standard Models ST9146852SS ST973452SS Self-Encrypting Drive Models ST9146752SS ST973352SS 100516230 Rev. C July 2009
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 2
    Savvio, SeaTools and SeaTDD 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. When referring to hard drive
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 3
    service 14 5.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failure (MTBF) . . . . 14 5.2.2 Preventive maintenance 14 5.2.3 Hot plugging the drive 14 5.2.4 S.M.A.R.T 15 5.2.5 Thermal monitor 16 5.2.6 Drive 28 6.4.2 Relative humidity 28 Savvio 15K.2 SAS Product Manual, Rev. C i
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 4
    58 10.4.4 Electrical description 58 10.4.5 Pin descriptions 58 10.4.6 SAS transmitters and receivers 59 10.4.7 Power 60 10.5 Signal characteristics 60 10.5.1 Ready LED Out 60 10.5.2 Differential signals 60 10.6 SAS-2 Specification compliance 61 ii Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 5
    10.7 Additional information 61 11.0 Seagate Technology support services 62 Savvio 15K.2 SAS Product Manual, Rev. C iii
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 6
    iv Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 7
    Figure 14. Figure 15. Current profile for 146GB models 24 Current profile for 73GB models 25 146GB models (6.0 Gbit) DC current and power vs. input/output SAS device plug dimensions 56 SAS device plug dimensions (detail 57 SAS transmitters and receivers 59 Savvio 15K.2 SAS Product Manual
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 8
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 9
    support services group as shown in Section 11.0. Unless otherwise stated, the information in this manual applies to standard and Self-Encrypting Drive models. Model Number ST9146852SS ST973452SS ST9146752SS ST973352SS Self-Encrypting Drive (SED) No No Yes Yes Savvio 15K.2 SAS Product Manual
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 10
    systems 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 2 and 3, DC power requirements. 2 Savvio 15K.2 SAS Product Manual, Rev
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 11
    • Mouse Although the test system with this Seagate model complies with the directives/standards, we cannot Drives are tested in a representative, end-user system by a Korean-recognized lab. • Family name: Savvio • Certificate number: STX-ST9146852SS ). Savvio 15K.2 SAS Product Manual, Rev. C 3
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 12
    parts and materials for the disk drives documented in this publication. Current Seagate P/N 30190-001 (under 100 lb.) Seagate P/N 30191-001 (over 100 lb.) In case of conflict between this document and any referenced document, this document takes precedence. 4 Savvio 15K.2 SAS Product Manual
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 13
    mechanical transducer adjustments and related reliability concerns. 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. Savvio 15K.2 SAS Product Manual, Rev. C 5
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 14
    • Authenticated firmware download 3.2 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. 6 Savvio 15K.2 SAS Product Manual, Rev
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 15
    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. Savvio 15K.2 SAS Product Manual, Rev. C 7
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 16
    scheme and sector size requested. • Single-unit shipping pack. The drive is normally shipped in bulk packaging to provide maximum protection against transit 75789512, is usually included with each standard OEM drive shipped, but extra copies may be ordered. 8 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 17
    of temperature, voltage, and horizontal orientation as measured on a representative sample of drives. 4. Access time = controller overhead + average seek time and applies to all data transfer commands. Access to data = access time + latency time. Savvio 15K.2 SAS Product Manual, Rev. C 9
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 18
    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 20 seconds (maximum) from removal of DC power. SCSI stop time is 20 seconds. There is no power control switch on the drive. 10 Savvio 15K.2 SAS Product Manual
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 19
    many cases can enhance system performance. Cache refers to the drive buffer storage space when the way to the host. All data transfers to the host are in accordance with buffer drive responds as it does for any attempt to change an unchangeable parameter. Savvio 15K.2 SAS Product Manual, Rev. C 11
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 20
    drive performs buffer for immediate transfer from the buffer to 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 Savvio 15K.2 SAS Product Manual
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 21
    transferred for recoverable errors occurring during a write. 5.1.2 Unrecoverable Errors An unrecoverable data error is defined as a failure of the drive to recover data from the media. These errors occur due to head/media or write problems as 1 error. Savvio 15K.2 SAS Product Manual, Rev. C 13
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 22
    service life of the drive. Section 9.2 provides recommended air-flow information. 5.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failure (MTBF) The production disk drive from the drive carrier prior to inserting it into the system. 14 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 23
    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. Savvio 15K.2 SAS Product Manual, Rev. C 15
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 24
    failures S.M.A.R.T. signals predictive failures when the drive is performing unacceptably for a period of time. The firmware keeps a running count of the number of times the error rate Description 0000h 0001h Primary Temperature Reference Temperature 16 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 25
    extended test that performs various tests on the drive and scans every logical block address (LBA) of the drive. The short test drive fails the test, remove it from service and return it to Seagate for service. 5.2.6.1 DST failure definition The drive Savvio 15K.2 SAS Product Manual, Rev. C 17
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 26
    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) (self-test routine was interrupted by a reset condition). 18 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 27
    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. Savvio 15K.2 SAS Product Manual, Rev. C 19
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 28
    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. 20 Savvio 15K.2 SAS Product Manual, Rev
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 29
    Table 2: ST9146852SS & ST9146752SS DC power requirements Notes 3.0 Gbit mode (Amps) (Amps) Voltage Regulation Avg idle current DC Maximum 0.53 0.32 0.55 0.32 1.16 1.20 0.90 0.22 0.92 0.22 1.22 0.46 0.87 0.22 0.93 0.22 1.18 0.46 Savvio 15K.2 SAS Product Manual, Rev. C 21
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 30
    includes ripple, noise, and transient response. [6] Operating condition is defined as random 8 block reads. [7] During idle, the drive heads are relocated every 60 seconds to a random location within the band from three-quarters to maximum track. 22 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 31
    noise values given below are peak-to-peak measurements and apply at the drive power connector. +5V +12V = 250 mV pp from 100 Hz to The drive does not require power sequencing. The drive protects against inadvertent writing during power-up and down. Savvio 15K.2 SAS Product Manual, Rev. C 23
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 32
    6.2.3 Current profiles The +12V and +5V current profiles for the Savvio 15K.2 SAS drives are shown below. Figure 1. Current profile for 146GB models. 24 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 33
    Figure 2. Current profile for 73GB models Note: All times and currents are typical. See Tables 2 and 3 for maximum current requirements. Savvio 15K.2 SAS Product Manual, Rev. C 25
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 34
    power for typical random read operations, refer to the following I/O rate curve (see Figure 3). Locate the typical I/O rate for a drive in your system on the horizontal axis and read the corresponding and power vs. input/output operations per second 26 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 35
    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. Figure 6. 73GB models (3.0 Gbit) DC current and power vs. input/output operations per second Savvio 15K.2 SAS Product Manual, Rev. C 27
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 36
    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 of 20% per hour. b. Non-operating 5% to 95% non-condensing relative humidity. 28 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 37
    may be applied in the X, Y, or Z axis. The drive subjected to nonrepetitve shock not exceeding 150 Gs at a maximum duration of 0.5 msec (half sinewave) does not exhibit device damage or performance degradation. Shock may be applied in the X, Y, or Z axis. Savvio 15K.2 SAS Product Manual, Rev. C 29
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 38
    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. Z Y X X Z Y Figure 8. Recommended mounting 30 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 39
    . This includes both isolated drives and integrated drives. The drive shall not incur physical damage or degraded performance as a result of continuous control. 6.4.6 Corrosive environment Seagate electronic drive components pass accelerated corrosion Savvio 15K.2 SAS Product Manual, Rev. C 31
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 40
    than 10 dB above the masking noise on typical drives when measured according to Seagate specification 30553-001. There will not be any tones more than 24 dB above the masking noise on any drive. 6.4.8 Electromagnetic susceptibility See Section 2.1.1.1. 32 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 41
    dimensions. See Section 9.3, "Drive mounting." Height: Width: Depth: Weight: 0.5708 in 2.7598 in 3.9547 in ST9146852SS & ST9146752SS : 0.444 lbs ST973452SS & ST973352SS : 0.429 lbs 14.50 mm 70.10 mm 100.45 mm 0.201 kg 0.195 kg Figure 9. Dimensions Savvio 15K.2 SAS Product Manual, Rev. C 33
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 42
    to perform the command. 7.2.1 Admin SP The Admin SP allows the drive's owner to enable or disable firmware download operations (see Section 7.4). Access to the Admin SP is available using the SID (Secure ID) password or the MSID (Makers Secure ID) password. 34 Savvio 15K.2 SAS Product Manual
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 43
    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 7.6) or the password when required. The bands should be aligned to 4K LBA boundaries. Savvio 15K.2 SAS Product Manual, Rev. C 35
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 44
    (non-SED) drive models. 7.9 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 7: • Security Protocol Out (B5h) • Security Protocol In (A2h) 36 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 45
    supported by the drive are described in the SAS Interface Manual. Also, more information on the drive Error Recovery philosophy is presented in the SAS Interface Manual. 8.2 Drive error recovery procedures When an error occurs during drive operation, the drive, if programmed to do so, performs
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 46
    error rate. performed 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 in sections where the various commands are discussed. 38 Savvio 15K.2 SAS
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 47
    -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. Savvio 15K.2 SAS Product Manual, Rev. C 39
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 48
    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. 40 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 49
    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 preferred mounting orientations. Savvio 15K.2 SAS Product Manual, Rev
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 50
    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. If forced air is determined to to side) Figure 11. Air flow Above unit Under unit 42 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 51
    units in inches or millimeters 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. Savvio 15K.2 SAS Product Manual
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 52
    for task management functions supported. Table 6: 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 44 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 53
    the Savvio 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. Savvio 15K.2 SAS Product Manual
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 54
    (01h) Cache Statistics page (37h) Factory Log page (3Eh) Information Exceptions Log page (2Fh) Command code 40h 39h 18h 3Ah 04h 12h 36h 4Ch 4Dh Supported N N N N Y N Y Y Y Y Y N Y Y Y Y Y Y Y Y N Y Y N Y Y N N N Y Y Y N Y Y N 46 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 55
    Power Condition page (1Ah) Rigid Disc Drive Geometry page (04h) Unit Attention page supported FUA bit supported Read (12) A8h Read (16) 88h Read (32) 7Fh/0009h Supported N N Y Y Y N Y Y Y Y Y Y [2] Y Y [2] Y Y Y Y Y Y Y N Y Y Y Y Y N Y Y Y N Y Y Y Y N N N Savvio 15K.2 SAS Product Manual
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 56
    Data (12) Read Long Read Long (16) Reassign Blocks Receive Diagnostic Results Supported Diagnostics pages (00h) Translate page (40h) Release Release (10) Report LUNs 2Fh Supported Y Y N Y Y Y N Y Y Y Y Y Y Y Y Y Y Y Y Y N Y Y N Y N N N Y Y Y Y Y N Y Y N Y Y Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 57
    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. Savvio 15K.2 SAS Product Manual, Rev. C 49
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 58
    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 values in volatile memory. It is not possible to change the current values (or the saved values) with a Mode 50 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 59
    by the drive in response to the Mode Sense command pages for SCSI implementation (see the SAS Interface Manual ). DEF = Default value. Standard OEM drives are shipped configured this way. CHG = Changeable bits; indicates if default value is changeable. Savvio 15K.2 SAS Product Manual, Rev. C 51
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 60
    Table 9: Mode Sense data default and changeable values for ST9146852SS & ST9146752SS drives MODE DATA HEADER: 00 00 05 12 8B 00 30 02 MODE PAGES: DEF 81 0A C0 0B FF 00 00 00 05 00 FF FF FF FF FF FF FF DEF 80 06 00 80 0F 00 00 00 CHG 80 06 B7 C0 8F 00 00 00 52 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 61
    Table 10: Mode Sense data default and changeable values for ST973452SS & ST973352SS drives MODE DATA HEADER: 00 00 05 12 8B 00 10 02 MODE PAGES: DEF 81 0A C0 0B FF 00 00 00 05 00 FF FF FF FF FF FF FF DEF 80 06 00 80 0F 00 00 00 CHG 80 06 B7 C0 8F 00 00 00 Savvio 15K.2 SAS Product Manual, Rev. C 53
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 62
    Table 12: Miscellaneous status Supported Y Y Y Y Y Status Good Check condition Condition met/good Busy Intermediate/good Y Intermediate/condition met/good Y Reservation conflict Y Task set full N ACA active N ACA active, faulted initiator 54 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 63
    dimensions of the SAS connector. 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 12. Physical interface Savvio 15K.2 SAS Product Manual, Rev. C 55
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 64
    0.05 15.875 15.875 1.27 (14X) 1.27 (6X) 5.08 B 0.84 0.05 (22X) 0.15 B 4.90 0.08 P15 P1 S1 S7 CL OF DATUM B Figure 13. SAS device plug dimensions 56 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 65
    A - A 0.35 0.05 SECTION C - C 0.08 0.05 CONTACT SURFACE FLUSH TO DATUM A 0.03 1.23 0.05 65 30 0.08 0.05 Detail 2 1.90 0.08 2.40 0.08 0.10 A D Figure 14. SAS device plug dimensions (detail) SECTION B - B Savvio 15K.2 SAS Product Manual, Rev. C 57
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 66
    power • SAS interface • Activity LED This connector is designed to either plug directly into a backpanel or accept cables. 10.4.5 Pin descriptions This section provides a pin-out of the SAS device and a description of the functions provided by the pins. 58 Savvio 15K.2 SAS Product Manual, Rev
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 67
    SAS differential copper transmitter and receiver pair is shown in Figure 15. The receiver is AC coupling to eliminate ground shift noise. TX Transmitter 100 TY Differential Transfer Medium Figure 15. SAS transmitters and receivers .01 RX Receiver 100 .01 RY Savvio 15K.2 SAS Product Manual
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 68
    Test condition 0 V ≤ VOH ≤ 3.6 V IOL = 15 mA Output voltage -100 µA < IOH < 100 µA 0 ≤ VOL ≤ 0.225 V 10.5.2 Differential signals The drive SAS differential signals comply with the intra-enclosure (internal connector) requirements of the SAS standard. 60 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 69
    Characteristic Bit rate (nominal) 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. Savvio 15K.2 SAS Product Manual
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 70
    and compatibility. Technical Support Seagate technical support is available to assist you online at support.seagate.com or through one of our call centers. Have your system configuration information and your "ST" model/product number available. 62 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 71
    East and Africa, go to the "Contact Us" page on www.seagate.com. Asia/Pacific Support Services For an extensive list of telephone numbers to technical support, presales and warranty service in Asia/Pacific, go to the "Contact Us" page on www.seagate.com. Savvio 15K.2 SAS Product Manual, Rev. C 63
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 72
    64 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 73
    11 busy status 54 C cache operation 11 Savvio 15K.2 SAS Product Manual, Rev. C cache segments 11 caching write service 19 D DAR 39 Data Bands 35 data bands 34 data block size modifing the 7 Data encryption 34 Data Encryption Key 34 data heads read/write 9 data rate internal 9 data transfer rate
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 74
    43 hot plugging the drive 14 humidity 28 humidity limits 28 I Idle Read After Write 40 inquiry data 50 installation 41 guide 4 interface commands supported 46 error rate 13 errors 14 illustrated 10 logical segments 11 M maintenance 13 Makers Secure ID 34 66 Savvio 15K.2 SAS Product Manual, Rev. C
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 75
    Errors 13 recovered media data 13 reference documents 4 relative humidity 28 reliability 7 specifications 13 reliability and service 14 repair and return information 19 reporting actual retry count 54 reservation conflict status 54 resonance 29 Savvio 15K.2 SAS Product Manual, Rev. C 67
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 76
    tracks per inch 9 tracks per surface 9 transmitters 59 transporting the drive 19 Trusted Computing Group 34 U unformatted 7 Unrecoverable Errors 13 unrecovered media data 13 V vibration 29, 31 W warranty 19 Z zero latency read 54 zone bit recording (ZBR) 6 68 Savvio 15K.2 SAS Product Manual, Rev
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 77
  • Seagate 15K.2 | Savvio 15K.2 SAS Product Manual - Page 78
    Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066-4544, USA Publication Number: 100516230, Rev. C, Printed in USA
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Product Manual
Savvio
®
15K.2 SAS
100516230
Rev. C
July 2009
Standard Models
ST9146852SS
ST973452SS
Self-Encrypting Drive Models
ST9146752SS
ST973352SS