Seagate Barracuda ST136475FC Product Manual
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Seagate Barracuda ST136475FC Product Manual

Seagate Barracuda ST136475FC Product Manual

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Barracuda 36FC Disc Drive
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ST136475FC
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Product Manual, Volume 1
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Summary of Contents for Seagate Barracuda ST136475FC

  • Page 1 ..........Barracuda 36FC Disc Drive .
  • Page 3 ..........Barracuda 36FC Disc Drive .
  • Page 4 Seagate, Seagate Technology, and the Seagate logo are registered trademarks of Seagate Tech- nology, LLC. Barracuda, SeaFAX, SeaFONE, SeaBOARD, and SeaTDD are either trademarks or registered trademarks of Seagate Technology, LLC, or one of its subsidiaries. All other trade- marks or registered trademarks are the property of their respective owners.
  • Page 5 Revision status summary sheet Revision Date Writer/Engineer Sheets Affected 4/28/99 L. Newman/J. Bentley 1/1, v thru viii, 1 thru 68. 08/22/2000 K. Schweiss/B. Reynolds ii, 1, 41, 59-61, and backcover...

  • Page 7: Table Of Contents

    Barracuda 36FC Product Manual, Rev. B Contents Scope ................1 Applicable standards and reference documentation.
  • Page 8 Seagate Technology support services........
  • Page 9 Barracuda 36FC Product Manual, Rev. B List of Figures Figure 1. Barracuda 36FC family disc drive ..........1 Figure 2.

  • Page 11: Scope

    Barracuda 36FC drives support the Fibre Channel Arbitrated Loop and SCSI Fibre Channel Protocol specifica- tions to the extent described in this manual. The Fibre Channel Interface Manual (part number 77767496) describes the general Fibre Channel Arbitrated Loop characteristics of this and other Seagate Fibre Channel drives.

  • Page 13: Applicable Standards And Reference Documentation

    Mounting by bottom holes must meet the requirements of Section 8.5. Standards The Barracuda 36FC family complies with Seagate standards as noted in the appropriate sections of this man- ual and the Seagate Fibre Channel Interface Manual, part number 77767496.

  • Page 14: Reference Documents

    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 Man- agement Agency (SMA). Reference documents Barracuda 36FC Installation Guide Seagate part number: 77767544 Fibre Channel Interface Manual Seagate part number: 77767496 ANSI Fibre Channel Documents X3.230-1994 FC Physical and Signaling Interface (FC-PH) X3.297.1997...

  • Page 15: General Description

    Barracuda 36FC Product Manual, Rev. B General description Barracuda 36FC drives combine soft adjacent layer (SAL) magnetoresistive (MR) heads, partial response/ maximum likelihood (PRML) read channel electronics, embedded servo technology, and a Fibre Channel inter- face to provide high performance, high capacity data storage for a variety of systems including engineering workstations, network servers, mainframes, and supercomputers.

  • Page 16: Standard Features

    Barracuda 36FC Product Manual, Rev. B Standard features Barracuda 36FC drives have the following standard features: • Integrated dual port FC-AL controller • Concurrent dual port transfers • Support for FC arbitrated loop, private and public attachment • Differential copper FC drivers and receivers •...

  • Page 17: Unformatted And Formatted Capacities

    Barracuda 36FC Product Manual, Rev. B • Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.) • Dithering Unformatted and formatted capacities Formatted capacity depends on the spare reallocation sectors scheme selected, the number of data tracks per sparing zone, and the number of alternate sectors (LBAs) per sparing zone. The following table shows the standard OEM model read capacities data.

  • Page 19: Performance Characteristics

    Barracuda 36FC Product Manual, Rev. B Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Bar- racuda 36FC drives. Internal drive characteristics ST136475FC Drive capacity 36.4 ......Gbytes (formatted, rounded off value) Read/write data heads Bytes per track 186,000 ....

  • Page 20: General Performance Characteristics

    Barracuda 36FC Product Manual, Rev. B 4.2.3 General performance characteristics ST136475FC Minimum sector interleave 1 to 1 Data buffer to/from disc media (one 512-byte logical block)* Minimum 16.2 MBytes/sec Average 25.3 MBytes/sec Maximum 28.3 MBytes/sec Fibre Channel Interface maximum instantaneous transfer rate 106 Mbytes/sec* per port (dual port = 212 Mbytes/sec*)

  • Page 21: Cache Operation

    Barracuda 36FC Product Manual, Rev. B Cache operation Note. Refer to the Fibre Channel Interface Manual for more detail concerning the cache bits. Of the 1,024 kbytes physical buffer space in the drive, 924 kbytes can be used as a cache. The buffer can be divided into logical segments (using Mode Select Page 08h, byte 13) from which data is read and to which data is written.

  • Page 22: Prefetch Operation

    Barracuda 36FC Product Manual, Rev. B If the number of write data logical blocks exceed the size of the segment being written into, when the end of the segment is reached, the data is written into the beginning of the same cache segment, overwriting the data that was written there at the beginning of the operation;...

  • Page 23: Reliability Specifications

    Barracuda 36FC Product Manual, Rev. B 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 Seek error rate: Less than 10 errors in 10 seeks Read Error Rates Recovered Data...

  • Page 24: Reliability And Service

    Barracuda 36FC Product Manual, Rev. B error (15h) is reported with a Medium error (3h) or Hardware error (4h) reported in the Sense Key. This is an unrecoverable seek error. Unrecoverable seek errors are classified as failures for MTBF calculations. Refer to the Fibre Channel Interface Manual, part number 77767496, for Request Sense information.

  • Page 25: Preventive Maintenance

    Special equipment is required to repair the drive HDA. To achieve the above service life, repairs must be per- formed only at a properly equipped and staffed Seagate service and repair facility. Troubleshooting and repair of PCBs in the field is not recommended because of the extensive diagnostic equipment required for effective servicing.

  • Page 26: S.m.a.r.t

    Barracuda 36FC Product Manual, Rev. B 5.2.8 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 you to back up the data before an actual failure occurs. Note.

  • Page 27: Product Warranty

    5.2.9 Product warranty Beginning on the date of shipment to the customer and continuing for a period of five years, Seagate warrants that each product (including components and subassemblies) that fails to function properly under normal use due to defect in materials or workmanship or due to nonconformance to the applicable specifications will be repaired or replaced, at Seagate’s option and at no charge to the customer, if returned by customer at cus-...

  • Page 29: Physical/Electrical Specifications

    Barracuda 36FC Product Manual, Rev. B Physical/electrical specifications This section provides information relating to the physical and electrical characteristics of the drive. AC power requirements None. DC power requirements The voltage and current requirements for a single drive are shown below. Values indicated apply at the drive connector.

  • Page 30: Conducted Noise Immunity

    Barracuda 36FC Product Manual, Rev. B 6.2.1 Conducted noise immunity Noise is specified as a periodic and random distribution of frequencies covering a band from DC to 10 MHz. Maximum allowed noise values given below are peak-to-peak measurements and apply at the drive power connector.

  • Page 31: Figure 4. Typical Barracuda 36Fc Drive +5V Current Profile

    Barracuda 36FC Product Manual, Rev. B +5 Volt Current during spindle start – Typical Amperes AC component Nominal (average) DC curve T1 T2 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 TIME (seconds) Figure 4. Typical Barracuda 36FC drive +5V current profile...

  • Page 32: Power Dissipation

    Barracuda 36FC Product Manual, Rev. B Power dissipation To obtain typical operating random read (8 blocks) power dissipation at nominal voltages, refer to Figure 5. The drive user must decide what number of I/O operations constitutes a typical number of I/O operations for their installation.

  • Page 33: Figure 6. Locations Of Pcba Components Listed In Table 2

    Non-operating –40° to 158°F (–40° to 70°C) package ambient with a maximum gradient of 36°F (20°C) per hour. This specification assumes that the drive is packaged in the shipping container designed by Seagate for use with drive. HDA Temp.

  • Page 34: Relative Humidity

    Barracuda 36FC Product Manual, Rev. B 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 10% per hour. b. Non-operating 5% to 95% non-condensing relative humidity. 6.4.3 Effective altitude (sea level) a.

  • Page 35: Figure 7. Recommended Mounting

    36 in (914 mm) Drives packaged in 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.

  • Page 36: Air Cleanliness

    There will not be any discrete tones more than 10 dB above the masking noise on typical drives when mea- sured according to Seagate specification 30553-001. There will not be any tones more than 24 dB above the masking noise on any drive.

  • Page 37: Mechanical Specifications

    Barracuda 36FC Product Manual, Rev. B Mechanical specifications Refer to Figure 8 for detailed mounting configuration dimensions. See Section 8.5, “Drive mounting.” Height: 1.62 in 41.1 mm Width: 4.000 in 101.6 mm Depth: 5.75 in 146.05 mm Weight: 2.2 pounds 0.99 kilograms Notes: 1.875–.005...

  • Page 39: Defect And Error Management

    Barracuda 36FC Product Manual, Rev. B Defect and error management The drive, as delivered, complies with this product manual. The read error rates and specified storage capaci- ties are not dependent upon use of defect management routines by the host (initiator). Defect and error management in the SCSI protocol involves the drive internal defect/error management and FC-AL system error considerations (errors in communications between the initiator and the drive).

  • Page 40: Fc-Al System Errors

    Barracuda 36FC Product Manual, Rev. B When the RC bit is one, reallocations are disabled even if the ARRE or AWRE bits are one. The drive will still perform data recovery actions within the limits defined by the Read Retry Count, Write Retry Count, and Recovery Time Limit parameters.

  • Page 41: Installation

    Barracuda 36FC Product Manual, Rev. B Installation Barracuda 36FC disc drive installation is a plug-and-play process. There are no jumpers, switches, or termina- — tors on the drive. Simply plug the drive into the host’s 40-pin Fibre Channel backpanel connector (FC-SCA) no cables are required.

  • Page 42: J6 Connector Requirements

    Barracuda 36FC Product Manual, Rev. B Drive Front Pin 1 Reserved Port A Bypass LED [1] Port B Bypass LED [1] Fault LED [1] Reserved Active LED [2] Reserved Active LED [1] Ground [3] The drive has a 2.2K ohm resistor in series with this LED driver. Tie the minus side of an external high-efficiency LED (i.e., 2ma) to this pin.

  • Page 43: Air Flow

    (F) is applied to the fourth point. Note. Before mounting the drive in any kind of 3.5-inch to 5.25-inch adapter frame, verify with Seagate Tech-...

  • Page 44: Grounding

    Barracuda 36FC Product Manual, Rev. B nology that the drive can meet the shock and vibration specifications given herein while mounted in such an adapter frame. Adapter frames that are available may not have a mechanical structure capa- ble of mounting the drive so that it can meet the shock and vibration specifications listed in this manual. Grounding Signal ground (PCBA) and HDA ground are connected together in the drive and cannot be separated by the user.

  • Page 45: Interface Requirements

    Barracuda 36FC Product Manual, Rev. B Interface requirements This section partially describes the interface requirements as implemented on ST136475FC drives. Additional information is provided in the Fibre Channel Interface Manual (part number 77767496). FC-AL features This section lists the Fibre Channel-specific features supported by Barracuda 36FC drives. 9.1.1 Fibre Channel link service frames Table 4 lists the link services supported by Barracuda 36FC drives.

  • Page 46: Fibre Channel Port Login

    Barracuda 36FC Product Manual, Rev. B 9.1.4 Fibre Channel port login Table 7 identifies the required content of the N_Port Login (PLOGI) payload from an initiator. Table 7: N_Port login (PLOGI) payload Bytes 0-15 Common 16-31 32-35 36-47 Class 1 48-51 52-63 Class 2...

  • Page 47: Fibre Channel Port Login Accept

    Barracuda 36FC Product Manual, Rev. B 9.1.5 Fibre Channel port login accept Table 8 identifies the N_Port Login access payload values. Table 8: N_Port Login Accept (ACC) payload Bytes 0-15 Common 16-31 32-35 36-47 Class 1 48-51 52-63 Class 2 64-67 68-79 Class 3...

  • Page 48: Fibre Channel Fabric Login

    Barracuda 36FC Product Manual, Rev. B 9.1.8 Fibre Channel fabric login Table 11 lists the fabric login payload from the drive. Table 11: Fabric Login (FLOGI) payload Bytes 0-15 Common 16-31 32-35 36-47 Class 1 48-51 52-63 Class 2 64-67 68-79 Class 3 80-83...

  • Page 49: Fibre Channel Fabric Accept Login

    Barracuda 36FC Product Manual, Rev. B 9.1.9 Fibre Channel fabric accept login Table 11 lists the required content of the Fabric Login Accept (ACC) payload from the fabric. Table 12: Fabric Login Accept (ACC) payload Bytes 0-15 Common 16-31 32-35 36-47 Class 1 48-51...

  • Page 50: Fibre Channel Arbitrated Loop Options

    • If both ports are connected in the same loop and hard addressing is used, at least one port will attempt tak- ing a soft address to prevent an address conflict. Note. When a Barracuda 36FC drive is connected in loops with previous Seagate FC drive products: Barracuda 4LP FC (ST32171FC, ST34371FC, and ST34571FC) Barracuda 9FC (ST19171FC)

  • Page 51: Scsi Commands Supported

    Barracuda 36FC Product Manual, Rev. B SCSI commands supported Table 14 lists the SCSI commands that ST136475FC drives support. Table 14: Supported commands Command code Supported Command name Test unit ready Rezero unit Request sense Extended sense Field pointer bytes Actual retry count bytes Format unit [9.3.1] Block format...
  • Page 52 Barracuda 36FC Product Manual, Rev. B Table 14: Supported commands (continued) Command code Supported Command name Verify error recovery page (07h) Caching parameters page (08h) Control mode page (0Ah) Notch and partition page (0Ch) Xor control page (10h) Fibre Channel Interface control page (19h) Power control page (1Ah) Information exceptions control page (1Ch) Start unit/stop unit (spindle ceases to rotate)
  • Page 53 Barracuda 36FC Product Manual, Rev. B Table 14: Supported commands (continued) Command code Supported Command name Write buffer Write combined header and data mode (0) Write data mode (2) Download microcode mode (4) Download microcode and save modes (5) Download microcode with offsets mode (6) Download microcode with offsets and save mode (7) Firmware download option [2] Read buffer...
  • Page 54 Barracuda 36FC Product Manual, Rev. B Table 14: Supported commands (continued) Command code Supported Command name 3rd party reserve Extent reservation Released (10) 58-59h Not used Mode Sense (10) [3] 5B-5Dh Not used Persistent reserve in Persistent reserve out 60-7Fh Not used XD write extended Rebuild...

  • Page 55: Inquiry Data

    Barracuda 36FC Product Manual, Rev. B 9.3.1 Inquiry data Table 15 lists the Inquiry command data that the drive should return to the initiator per the format given in the Fibre Channel Interface Manual. Barracuda 36FC Table 15: inquiry data (ST136475FC data shown) Bytes Data (hex) 0-15...
  • Page 56 Barracuda 36FC Product Manual, Rev. B 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.
  • Page 57 Barracuda 36FC Product Manual, Rev. B Table 16: Mode Sense data default and changeable values for ST136475FC drives ST136475FC Bytes 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Mode A7 00 10 08 04 3D 67 20 00 00 02 00...

  • Page 58: Miscellaneous Operating Features And Conditions

    Barracuda 36FC Product Manual, Rev. B Miscellaneous operating features and conditions Table 17 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 supported. Table 17: Miscellaneous features Supported...

  • Page 59: Fc-Al Physical Interface

    Figure 14 provides the dimensions of the FC-SCA. Figure 15 provides the dimensions of the J6 con- nector. Details of the physical, electrical, and logical characteristics are provided within this section. The operational aspects of Seagate’s Fibre Channel drives are provided in the Fibre Channel Interface Manual.. Figure 12. Physical interface 9.5.1...

  • Page 60: Connector Requirements

    Barracuda 36FC Product Manual, Rev. B 9.5.2 Connector requirements Recommended mating SCA part number: Part description Positions Part number Features AMP Vertical (SCA sequence) 787317-1 With polarization Berg 71781 With polarization Methode 512-220-91-101N With polarization Molex 717431040 With polarization The FC-AL SCA device connector is illustrated in Figure 14. The J6 connector is illustrated in Figure 15. 1.618 ±...

  • Page 61: Electrical Description

    Barracuda 36FC Product Manual, Rev. B 9.5.3 Electrical description Fibre Channel drives use the FC-SCA connector for: • DC power • FC-AL interface • Drive select (device identification) • Option selection • Enclosure Services interface This 40-pin connector is designed to plug directly into a backpanel. External cables are not required. 9.5.4 Pin descriptions This section provides a pin-out of the FC-SCA and a description of the functions provided by the pins.

  • Page 62: Fc-Al Transmitters And Receivers

    Barracuda 36FC Product Manual, Rev. B 9.5.5 FC-AL transmitters and receivers A typical FC-AL differential copper transmitter and receiver pair is shown in Figure 16. The receiver is required to provide the AC coupling to eliminate ground shift noise. .01µf Differential Transmitter Receiver...

  • Page 63: Enable Port Bypass Signals

    Barracuda 36FC Product Manual, Rev. B The Active LED Out signal is designed to pull down the cathode of an LED. The anode is attached to the proper +5 volt supply through an appropriate current limiting resistor. The LED and the current limiting resistor are external to the drive.
  • Page 64 Barracuda 36FC Product Manual, Rev. B 9.5.11.1 Parallel Enclosure Services Interface (ESI) The parallel ESI line is an output from the drive. This line provides the enclosure with an indication of the present function of the SEL lines. A high level, the default state, indicates the drive requires address informa- tion on the SEL lines.
  • Page 65 Barracuda 36FC Product Manual, Rev. B Table 22: Arbitrated loop physical address (AL_PA) values AL_PA SEL ID Setting AL_PA SEL ID Setting AL_PA SEL ID Setting (hex) (hex) (dec) (hex) (hex) (dec) (hex) (hex) (dec)

  • Page 66: Signal Characteristics

    Barracuda 36FC Product Manual, Rev. B Signal characteristics This section describes the electrical signal characteristics of the drive’s input and output signals. See Table 19 on page 51 for signal type and signal name information. 9.6.1 TTL input characteristics Table 23 provides the TTL characteristics. Table 23: TTL characteristics State...

  • Page 67: Differential Pecl Input

    Barracuda 36FC Product Manual, Rev. B Figure 17 provides the data output valid eye diagram relative to the bit cell time. 941 ps 800 ps Figure 17. Transmit eye diagram 9.6.4 Differential PECL input The serial PECL input signal voltage characteristics are provided in Table 26. Table 26: Differential PECL input characteristics Description...

  • Page 69: Seagate Technology Support Services

    FAX 24 hours daily. This service is available worldwide. Presales Support Presales Support Our Presales Support staff can help you determine which Seagate products are best suited for your specific application or computer system. Disc: 1-877-271-3285; Tape: 1-800-626-6637; Server Appliance: 1-800-732-4283.

  • Page 70: Technical Support

    If you need help installing your drive, consult your dealer. Dealers are familiar with their unique system configu- rations and can help you with system conflicts and other technical issues. If you need additional help, you can talk to a Seagate technical support specialist. Before calling, note your system configuration and drive model number (ST####).
  • Page 71 Barracuda 36FC Product Manual, Rev. B European Support Services For European customer support, dial the toll-free number for your specific country for presales support, techni- cal support, SeaFAX and warranty service. If your country is not listed here, dial our European call center at +31-20-316-7222 from 8:30 .
  • Page 73 Barracuda 36FC Product Manual, Rev. B Index data 6 space 11 busy status 48 Numerics bypass circuit 15 Byte check command 42 12 volt Bytes from Index command 41 pins 52 bytes per surface 9 3rd party reserve command 44 bytes per track 9 5 volt pins 52 cache operation 11...
  • Page 74 Barracuda 36FC Product Manual, Rev. B read/write 9 state 15 data rate Enclosure Services interface 51 Enclosure services page command 42 internal 9 data transfer rate 10 environment 33 data valid eye 57 environmental Date code page command 41 interference 13 DC power 51 limits 22 requirements 19...
  • Page 75 Barracuda 36FC Product Manual, Rev. B Force unit access command 42 intermediate/condition met/good status 48 form factor 6 intermediate/good status 48 Intermix 36, 39 format 31 Format command execution time 9 internal data rate 9 Format page (03h) command 41 internal defects/errors 29 Format unit command 41 internal drive characteristics 9...
  • Page 76 Barracuda 36FC Product Manual, Rev. B Reporting actual retry count 48 FC-AL options 40 Segmented caching 48 OPEN half duplex SMP = 1 in Mode Select command 48 FC-AL options 40 Synchronized (locked) spindle operation 48 Open sequences per exchange 36 Zero latency read 48 operating 24, 26 miscellaneous status support...
  • Page 77 Barracuda 36FC Product Manual, Rev. B requirements, AC 19 relative humidity 24 requirements, DC 19 Release command 41 Released (10) command 44 sequencing 20 Power control page (1Ah) command 42 reliability 6 power distribution 3 and service 14 Power-on time page 43 specifications 13 Prefetch command 42 repair and return information 17...
  • Page 78 Barracuda 36FC Product Manual, Rev. B shipping 17 tracks per surface 9 shipping container 23 Translate page command 42 transmit eye diagram 57 shock 24 and vibration 24 transmitters 52 shock mount 34 transporting the drive 17 signal TSD bit 43 characteristics 56 TTL input characteristics 56 LED driver 56...
  • Page 80 Seagate Technology, LLC 920 Disc Drive, Scotts Valley, California 95066-4544, USA Publication Number: 77767543, Rev. B, Printed in USA...

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