Page 2 - © 2011, Seagate Technology LLC All rights reserved.
© 2011, Seagate Technology LLC All rights reserved. Publication number: 100516230, Rev. E March 2011 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technol-ogy LLC in the United States and/or other countries. Savvio and SeaTools are either trademarks or registered...
Page 3 - Contents
Savvio 15K.2 SAS Product Manual, Rev. E i Contents 1.0 Seagate Technology support services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 4 - ii
ii Savvio 15K.2 SAS Product Manual, Rev. E 7.4.2 Relative humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 7.4.3 Effective altitude (sea level) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 7.4.4 Shock an...
Page 5 - iii
Savvio 15K.2 SAS Product Manual, Rev. E iii 12.5.1 Ready LED Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 12.5.2 Differential signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 12.6 SAS-...
Page 6 - iv
Page 7 - List of Figures
Savvio 15K.2 SAS Product Manual, Rev. E 1 List of Figures Figure 1. Current profile for 146GB models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 2. Current profile for 73GB models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 9 - Seagate Technology support services; SEAGATE ONLINE SUPPORT and SERVICES
Savvio 15K.2 SAS Product Manual, Rev. E 1 1.0 Seagate Technology support services SEAGATE ONLINE SUPPORT and SERVICES For information regarding products and services, visit http://www.seagate.com/www/en-us/about/contact_us/ Available services include: Presales & Technical support Global Support ...
Page 10 - Scope; This manual describes Seagate Technology
2 Savvio 15K.2 SAS Product Manual, Rev. E 2.0 Scope This manual describes Seagate Technology ® LLC, Savvio ® 15K.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) ...
Page 11 - Applicable standards and reference documentation; Standards; SAS Interface Manual; Electromagnetic compatibility
Savvio 15K.2 SAS Product Manual, Rev. E 3 3.0 Applicable standards and reference documentation The drives documented in this manual have been developed as system peripherals to the highest standards of design and construction. The drives depends on host equipment to provide adequate power and enviro...
Page 12 - Savvio; Taiwanese BSMI
4 Savvio 15K.2 SAS Product Manual, Rev. E 3.1.2 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 selected sys-tem repr...
Page 13 - European Union Restriction of Hazardous Substances (RoHS); Reference documents; SCSI Commands Reference Manual
Savvio 15K.2 SAS Product Manual, Rev. E 5 3.1.3 European Union Restriction of Hazardous Substances (RoHS) The European Union Restriction of Hazardous Substances (RoHS) Directive restricts the presence of chemical substances, including Lead (Pb), in electronic products effective July 2006. A number o...
Page 14 - General description
6 Savvio 15K.2 SAS Product Manual, Rev. E 4.0 General description Savvio drives provide high performance, high capacity data storage for a variety of systems including engi-neering workstations, network servers, mainframes, and supercomputers. The Serial Attached SCSI interface is designed to meet n...
Page 15 - Standard features; Media description
Savvio 15K.2 SAS Product Manual, Rev. E 7 4.1 Standard features Savvio drives have the following standard features:• Perpendicular recording technology• 1.5 / 3 / 6 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol• Support for SAS expanders...
Page 16 - Performance; performance; Reliability; Sector Size
8 Savvio 15K.2 SAS Product Manual, Rev. E 4.3 Performance • Firmware-controlled multisegmented cache designed to dynamically adjust segments for enhanced system performance • 600 Mbytes/sec maximum instantaneous data transfers• 15k RPM spindle. Average latency = 2.0 msec• Background processing of qu...
Page 17 - Programmable drive capacity; Options; • The
Savvio 15K.2 SAS Product Manual, Rev. E 9 4.6 Programmable drive capacity Using the Mode Select command, the drive can change its capacity to something less than maximum. See the Mode Select (6) parameter list table in the SAS Interface Manual , part number 100293071. A value of zero in the Number o...
Page 18 - Performance characteristics; Internal drive characteristics; Access time
10 Savvio 15K.2 SAS Product Manual, Rev. E 5.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Sav-vio drives. 5.1 Internal drive characteristics ST9146852SS ST973452SS ST9146752SS ST973352SS ST9146652SS ST973252SS...
Page 20 - Cache operation; Refer to the; Case A; Drive transfers the requested logical blocks to the initiator.; Case B
12 Savvio 15K.2 SAS Product Manual, Rev. E 5.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read look-ahead) and multi-segmented cache control algorithms that in many cases can enhance system performance. Cache refers to the drive buffer storage space when it is used in cach...
Page 21 - Caching write data; Table 9 shows the mode default settings for the drive.; Prefetch operation
Savvio 15K.2 SAS Product Manual, Rev. E 13 5.5.1 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), then ...
Page 22 - Reliability specifications; Error rates; Recoverable Errors
14 Savvio 15K.2 SAS Product Manual, Rev. E 6.0 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. 6.1 Error rates ...
Page 23 - Seek errors; seeks. Unrecoverable seek errors; Interface errors; Reliability and service; Preventive maintenance; No routine scheduled preventive maintenance is required.; Hot plugging the drive
Savvio 15K.2 SAS Product Manual, Rev. E 15 6.1.3 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 ...
Page 25 - Savvio drives implement a temperature warning system which:; Parameter Code; Primary Temperature
Savvio 15K.2 SAS Product Manual, Rev. E 17 S.M.A.R.T. measures error rates. All errors for each monitored attribute are recorded. A counter keeps track of the number of errors for the current interval. This counter is referred to as the Failure Counter. Error rate is the number of errors per operati...
Page 26 - DST failure definition; Recovered errors will not be reported as diagnostic failures.; Implementation
18 Savvio 15K.2 SAS Product Manual, Rev. E 6.2.6 Drive Self Test (DST) Drive Self Test (DST) is a technology designed to recognize drive fault conditions that qualify the drive as a failed unit. DST validates the functionality of the drive at a system level. There are two test coverage options imple...
Page 27 - Short and extended tests; DST has two testing options:; Log page entries; The Self-Test Results Value field is set to Fh; Abort
Savvio 15K.2 SAS Product Manual, Rev. E 19 6.2.6.2.3 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 segment, a servo test segment, and a read/ver...
Page 29 - Physical/electrical specifications; AC power requirements
Savvio 15K.2 SAS Product Manual, Rev. E 21 7.0 Physical/electrical specifications This section provides information relating to the physical and electrical characteristics of the drive. 7.1 AC power requirements None. 7.2 DC power requirements The voltage and current requirements for a single drive ...
Page 30 - DC power requirements; Notes
22 Savvio 15K.2 SAS Product Manual, Rev. E Table 2: 146GB models DC power requirements Notes 3.0 Gbit mode 6.0 Gbit mode (Amps) (Amps) (Amps) (Amps) Voltage +5V +12V [2] +5V +12V [2] Regulation [5] ±5% ±5% [2] ±5% ±5% [2] Avg idle current DC [1] [7] 0.36 0.21 0.37 0.21 Maximum starting current (peak...
Page 31 - Operating condition is defined as random 8 block reads.
Savvio 15K.2 SAS Product Manual, Rev. E 23 [1] Measured with average reading DC ammeter. Instantaneous +12V current peaks will exceed these val-ues. Power supply at nominal voltage. N (number of drives tested) = 6, 35 Degrees C ambient. [2] For +12 V, a –10% tolerance is allowed during initial spind...
Page 32 - General DC power requirement notes.; The +5V and +12V supplies should employ separate ground returns.; Conducted noise immunity
24 Savvio 15K.2 SAS Product Manual, Rev. E 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 multiple d...
Page 33 - Current profiles; Figure 1. Current profile for 146GB models.
Savvio 15K.2 SAS Product Manual, Rev. E 25 7.2.3 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.
Page 34 - Current profile for 73GB models
26 Savvio 15K.2 SAS Product Manual, Rev. E Figure 2. Current profile for 73GB models Note: All times and currents are typical. See Tables 2 and 3 for maximum current requirements.
Page 35 - Power dissipation; 46GB models in 6.0 Gbit operation
Savvio 15K.2 SAS Product Manual, Rev. E 27 7.3 Power dissipation 146GB models in 6.0 Gbit operation Typical power dissipation under idle conditions in 6.0 Gb operation is 4.37 watts (14.91 BTUs per hour). To obtain operating power for typical random read operations, refer to the following I/O rate c...
Page 37 - Environmental limits; Temperature; Location of the HDA temperature check point; Relative humidity; The values below assume that no condensation on the drive occurs.
Savvio 15K.2 SAS Product Manual, Rev. E 29 7.4 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 ...
Page 38 - b. Operating—abnormal
30 Savvio 15K.2 SAS Product Manual, Rev. E 7.4.3 Effective altitude (sea level) a. Operating –1,000 to +10,000 feet (–305 to +3,048 meters) b. Non-operating –1,000 to +40,000 feet (–305 to +12,192 meters) 7.4.4 Shock and vibration Shock and vibration limits specified in this document are measured di...
Page 40 - Vibration; Air cleanliness
32 Savvio 15K.2 SAS Product Manual, Rev. E 7.4.4.2 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 5 - 500 Hz, swept sine: 0.5 G (zero to peak) 10 - 500 Hz, random: 0...
Page 42 - Mechanical specifications; Dimensions
34 Savvio 15K.2 SAS Product Manual, Rev. E 7.5 Mechanical specifications Refer to Figure 9 for detailed mounting configuration dimensions. See Section 11.3, “Drive mounting.” Note. These dimensions conform to the Small Form Factor Standard documented in SFF-8201 and SFF-8223, found at www.sffcommitt...
Page 43 - About FIPS; Purpose; Figure 10. Example of FIPS tamper evidence labels.
Savvio 15K.2 SAS Product Manual, Rev. E 35 8.0 About FIPS The Federal Information Processing Standard (FIPS) Publication 140-2, FIPS PUB 140-2, is a U.S. govern-ment computer security standard used to accredit cryptographic modules. It is titled “Security Requirements for Cryptographic Modules”. The...
Page 44 - About self-encrypting drives; • Security Protocol Out; Data encryption; Admin SP
36 Savvio 15K.2 SAS Product Manual, Rev. E 9.0 About self-encrypting drives Self-encrypting drives (SEDs) offer encryption and security services for the protection of stored data, com-monly known as “protection of data at rest.” These drives are compliant with the Trusted Computing Group (TCG) Enter...
Page 45 - Drive locking
Savvio 15K.2 SAS Product Manual, Rev. E 37 9.2.2 Locking SP The Locking SP controls read/write access to the media and the cryptographic erase feature. Access to the Locking SP is available using the BandMasterX or EraseMaster passwords. Since the drive owner can define up to 16 data bands on the dr...
Page 46 - The download file must be signed and authenticated.; Power requirements
38 Savvio 15K.2 SAS Product Manual, Rev. E 9.6 Cryptographic erase A significant feature of SEDs is the ability to perform a cryptographic erase. This involves the host telling the drive to change the data encryption key for a particular band. Once changed, the data is no longer recoverable since it...
Page 47 - Defect and error management; Drive internal defects/errors; Drive error recovery procedures
Savvio 15K.2 SAS Product Manual, Rev. E 39 10.0 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 ...
Page 48 - SAS system errors; SAS Interface; Read and write retry count maximum recovery times
40 Savvio 15K.2 SAS Product Manual, Rev. E The drive firmware error recovery algorithms consists of 11 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 ma...
Page 50 - Idle Read After Write
42 Savvio 15K.2 SAS Product Manual, Rev. E 10.7 Idle Read After Write Idle Read After Write (IRAW) utilizes idle time to verify the integrity of recently written data. During idle periods, no active system requests, the drive reads recently written data from the media and compares it to valid write ...
Page 51 - Installation; Power is supplied through the SAS connector.; Drive orientation
Savvio 15K.2 SAS Product Manual, Rev. E 43 11.0 Installation Savvio 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 designed to acco...
Page 52 - Cooling; Air flow
44 Savvio 15K.2 SAS Product Manual, Rev. E 11.2 Cooling Cabinet cooling must be designed by the customer so that the ambient temperature immediately surrounding the drive will not exceed temperature conditions specified in Section 7.4.1, "Temperature." The rack, cabinet, or drawer environmen...
Page 54 - Interface requirements; SAS features; Task management functions; Table 5 lists the SAS task management functions supported.; Task management responses; Task name; Task management response codes; Function name
46 Savvio 15K.2 SAS Product Manual, Rev. E 12.0 Interface requirements This section partially describes the interface requirements as implemented on Savvio drives. Additional infor-mation is provided in the SAS Interface Manual (part number 100293071). 12.1 SAS features This section lists the SAS-sp...
Page 55 - Dual port support; Subject to buffer availability, the Savvio drives support:
Savvio 15K.2 SAS Product Manual, Rev. E 47 12.2 Dual port support Savvio SAS drives have two independent ports. These ports may be connected in the same or different SCSI domains. Each drive port has a unique SAS address. The two ports have the capability of independent port clocking (e.g. both port...
Page 56 - SCSI commands supported; Supported commands; Command name
48 Savvio 15K.2 SAS Product Manual, Rev. E 12.3 SCSI commands supported Table 7 lists the SCSI commands supported by Savvio drives. Table 7: Supported commands Command name Command code Supported Change Definition 40h N Compare 39h N Copy 18h N Copy and Verify 3Ah N Format Unit [1] 04h Y DPRY bit su...
Page 60 - Inquiry data; Savvio inquiry data; Bytes; PP; Mode Sense data; Default values
52 Savvio 15K.2 SAS Product Manual, Rev. E 12.3.1 Inquiry data Table 8 lists the Inquiry command data that the drive should return to the initiator per the format given in the SAS Interface Manual . Table 8: Savvio inquiry data Bytes Data (hex) 0-15 00 00 03** 12 8B 00 PP 0A 53 45 41 47 41 54 45 20 ...
Page 62 - Mode Sense data default and changeable values for 146GB drives; CHG 9C 0A 9D 0F FF FF FF FF FF FF FF FF
54 Savvio 15K.2 SAS Product Manual, Rev. E Table 9: Mode Sense data default and changeable values for 146GB 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 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 3A 00 00 00 00...
Page 63 - Mode Sense data default and changeable values for 73GB drives
Savvio 15K.2 SAS Product Manual, Rev. E 55 Table 10: Mode Sense data default and changeable values for 73GB 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 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 3A 00 00 00 00...
Page 64 - Miscellaneous operating features and conditions; Miscellaneous features; Miscellaneous status; Supported
56 Savvio 15K.2 SAS Product Manual, Rev. E 12.4 Miscellaneous 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 supporte...
Page 65 - SAS physical interface
Savvio 15K.2 SAS Product Manual, Rev. E 57 12.4.1 SAS physical interface Figure 13 shows the location of the SAS device connector J1. Figures 14 and 15 provide the dimensions of the SAS connector. Details of the physical, electrical, and logical characteristics are provided within this section. The ...
Page 66 - SAS device plug dimensions; C OF DATUM B
58 Savvio 15K.2 SAS Product Manual, Rev. E Figure 14. SAS device plug 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 RE...
Page 68 - Physical characteristics; This section defines physical interface connector.; Connector requirements; The SAS device connector is illustrated in Figures 14 and 15.; Electrical description; SAS drives use the device connector for:; Pin descriptions
60 Savvio 15K.2 SAS Product Manual, Rev. E 12.4.2 Physical characteristics This section defines physical interface connector. 12.4.3 Connector requirements Contact your preferred connector manufacturer for mating part information. Part numbers for SAS connectors will be provided in a future revision...
Page 70 - Power; Signal characteristics; Ready LED Out; Normal command activity; LED drive signal; State
62 Savvio 15K.2 SAS Product Manual, Rev. E 12.4.7 Power The drive receives power (+5 volts and +12 volts) through the SAS device connector. Three +12 volt pins provide power to the drive, 2 short and 1 long. The current return for the +12 volt power supply is through the common ground pins. The supp...
Page 71 - General interface characteristics; Characteristic
Savvio 15K.2 SAS Product Manual, Rev. E 63 Table 16 defines the general interface characteristics. 12.6 SAS-2 Specification compliance Seagate SAS-2 drives are entirely compatible with the latest SAS-2 Specification (T10/1760-D) Revision 16. The most important characteristic of the SAS-2 drive at 6 ...
Page 73 - Index; Numerics
Savvio 15K.2 SAS Product Manual, Rev. E 65 Index Numerics 12 volt pins 62 5 volt pins 62 6 Gbps 63 A abort task set function 46 AC coupling 61 AC power requirements 21 ACA active status 56 ACA active, faulted initiator status 56 acoustics 33 active LED Out signal 62 actuator 8 assembly design 6 adap...
Page 74 - See
66 Savvio 15K.2 SAS Product Manual, Rev. E drive characteristics 10 Drive Locking 37 drive mounting 34 , 45 drive select 60 dual port support 47 E electrical description of connector 60 signal characteristics 62 specifications 21 electromagnetic compatibility 3 Electromagnetic Compatibility (EMC) 4 ...
Page 76 - See also
68 Savvio 15K.2 SAS Product Manual, Rev. E return information 20 RNG 37 rotation speed 10 S safety 3 SAS interface 60 physical interface 57 task management functions 46 SAS documents 5 SAS Interface Manual 3 , 5 SAS-2 Specification 63 SCSI interface commands supported 48 Secure ID 36 security partit...
