Seagate ST3146954FC manuel d'utilisation

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- informations sur les caractéristiques techniques du dispositif Seagate ST3146954FC
- nom du fabricant et année de fabrication Seagate ST3146954FC
- instructions d'utilisation, de réglage et d’entretien de l'équipement Seagate ST3146954FC
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Table des matières du manuel d’utilisation

  • Page 1

    Cheet ah 15K.4 FC ST3146954FC ST373554FC ST336854FC[...]

  • Page 2

    [...]

  • Page 3

    Cheet ah 15K.4 FC ST3146954FC ST373554FC ST336854FC[...]

  • Page 4

    ©2005, 2006, Seagate T echnology LLC All right s reserved Publication number: 1003 66896, Rev . B March 2006 Seagate , Seagate T echnology , and the Seagate logo a re registered trademarks of Seagate T echnology LLC. SeaT ools, SeaFONE, SeaB OARD, and SeaTDD are either registered trademarks or trade marks of Seagate T echnol ogy LLC. Other product[...]

  • Page 5

    Revision st atus summary sheet Revision Date Sheets Affected Rev . A 07/15/05 All. Rev . B (Draft 1) 03/17/06 Pages 25 and 26.[...]

  • Page 6

    [...]

  • Page 7

    Cheetah 15K.4 FC Product Manual, Rev. B i Content s 1.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Applicable standards and reference documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Standards . . . .[...]

  • Page 8

    ii Cheetah 15K.4 FC Product Manual, Rev. B 6.4.1 Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6.4.2 Relative humidit y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6.4.3 Effective altitude (sea level) . . . . . . . . . . .[...]

  • Page 9

    Cheetah 15K.4 FC Product Manual, Rev. B iii 9.6.1 TTL input charac teristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 9.6.2 LED driv er signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 9.6.3 FC Different ial output . . . . . . . . . . . . . . . . .[...]

  • Page 10

    iv Cheetah 15K.4 FC Product Manual, Rev. B[...]

  • Page 11

    Cheetah 15K.4 FC Product Manual, Rev. B v List of Figures Figure 1. Cheetah 15K.4 FC family disc drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2. Typical ST31 46954FC drive, 2 Gbit, +12V current prof ile . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 3. Typical ST3146954FC [...]

  • Page 12

    [...]

  • Page 13

    Cheetah 15K.4 FC Product Manual, Rev. B 1 1.0 Scope This manual describes Seagate T echnology ® LLC, Chee tah ® 15K.4 FC (Fibre Channel) disc drives. Cheetah 15 K.4 FC drives support the Fibre Channel Arb i trated Loop and SCSI Fibre Channel Protocol specifi - cations to the extent describe d in this manual. The Fibre Channel I nterface Ma nual ([...]

  • Page 14

    2 Cheetah 15K.4 FC Product Manual, Rev. B[...]

  • Page 15

    Cheetah 15K.4 FC Product Manual, Rev. B 3 2.0 Applicable st andards an d reference document ation The drive has been developed as a syst em peripheral to the highest standa rds of design and construction. The drive depends upon its host equipment to provide ad equate power and environ ment in order to achieve opti - mum performance and compliance w[...]

  • Page 16

    4 Cheetah 15K.4 FC Product Manual, Rev. B 2.1.2 Elec tromagnetic compliance Seagate uses an in dependent laboratory to confirm comp liance with the directives/standards for CE Marking and C-T ick Marking. The drive was teste d in a represen tative system for typical applications. The selected sys - tem represe nts the most popular charac teristics [...]

  • Page 17

    Cheetah 15K.4 FC Product Manual, Rev. B 5 2.2 Reference document s Cheetah 15K.4 FC In stallation Guide Seagate par t number: 100366897 Fibre Channel In terface Manual Seagate p art number: 77767 496 ANSI Fibre Ch annel Docume nts Project T1 1/1619-D FC-FS-2 Fibre Channel - Framing and Signa ling Project T1 1/1506-D FC-PI-2 Fibre Channel - PHYSICAL[...]

  • Page 18

    6 Cheetah 15K.4 FC Product Manual, Rev. B[...]

  • Page 19

    Cheetah 15K.4 FC Product Manual, Rev. B 7 3.0 General description Cheetah 1 5K.4 FC drives combine giant magnetoresisti ve (GMR) heads, partial re sponse/maximum likelihood (PRML) read chan nel electronics, em bedded servo technolo gy , and a Fibre Channel interface to provide high performanc e, high capacity data storage for a variety of system s [...]

  • Page 20

    8 Cheetah 15K.4 FC Product Manual, Rev. B 3.1 St andard features Cheetah 15K.4 FC drives have t he following standar d features: • 4-Gbit Fibre Ch annel interface. For 2 or 4 gigabit operation, the block size must be divisable by 8. • Integrated du al port FC-AL controller • Concurren t dual port transfers • Support for FC arbitr ated l oop[...]

  • Page 21

    Cheetah 15K.4 FC Product Manual, Rev. B 9 3.3 Performance • Programmabl e multi-segmentable cache buf fer • 200 Mbytes/sec maximum instantaneo us data transfers per port • 15k RPM spindle; average latency = 2.0 msec • Command queuing of up to 128 commands • Background processing of queu e • Support s start and stop commands (spindle sto[...]

  • Page 22

    10 Cheetah 15K.4 FC Product Manual, Rev. B change the cap acity it is currently formatted to have. A nu mber in the num ber of block s field that is less than the maximum number of LBAs changes the tota l drive capa city to the value in the block descriptor number of blocks field. A value greater than the maximum number of LBAs is roun ded down to [...]

  • Page 23

    Cheetah 15K.4 FC Product Manual, Rev. B 11 4.0 Performance characteristics This section provides deta iled information concerning performance-related ch aracte ristics and featur es of Cheetah 15K.4 FC drives. 4.1 Internal drive characteristics ST3146954FC ST373554FC ST3 36854FC Drive capacity 146.8 73.4 36.7 Gbytes (formatted, rounded off value) R[...]

  • Page 24

    12 Cheetah 15K.4 FC Product Manual, Rev. B 4.2.2 Format command ex ecution time (min utes) 4.2.3 General perfo rmance char acteristics 4.3 St a rt/stop time If the Motor S tart option is disable d, the drive becomes ready within 20 se conds after DC power is applied. If a recoverable erro r condition is detected during the st ar t sequence, the dri[...]

  • Page 25

    Cheetah 15K.4 FC Product Manual, Rev. B 13 the applicable bytes in p age 08h. Prefetch and cache op erations are in dependent features from the st andpoint that each is en abled and disabled indepen dently using the Mode Select command; ho wever , in actual opera - tion, the prefetch feature overlap s cache op eration somewhat as described in secti[...]

  • Page 26

    14 Cheetah 15K.4 FC Product Manual, Rev. B 4.5.1 Cac hing write data Write caching is a wr ite operati on by the drive that makes us e of a drive buffer storag e area wher e the data to be written to the med ium is stored while the drive performs the Write comm and. If read caching is enabled (RCD=0), then dat a written to t he medium is ret ained [...]

  • Page 27

    Cheetah 15K.4 FC Product Manual, Rev. B 15 want to configure the cache to provide large volumes of sequential data in a n on-repetitive m anner . In this case, the ability of the cache to “loo k ahead” to the next contiguous segmen ts of sequential data is a good thing. The Performance Mode (PM) bit controls the way the driv e switches the cach[...]

  • Page 28

    16 Cheetah 15K.4 FC Product Manual, Rev. B[...]

  • Page 29

    Cheetah 15K.4 FC Product Manual, Rev. B 17 5.0 Reliability specifications The following reliability specifications assume correct host and drive operational interfac e, including all inter - face timings, power supply volt ages, environmental requirements and drive moun ting constrai nts. 5.1 Error rates The error rates st ated in this manual assum[...]

  • Page 30

    18 Cheetah 15K.4 FC Product Manual, Rev. B 5.1.3 See k errors A seek error is defined as a failure of the drive to posi tion the heads to the addressed track. Af ter detecting an initial seek error , the drive automatically perfor ms an er ror recove ry process. If the error recovery process fails, a seek positioning error (E rror code = 15h or 02h[...]

  • Page 31

    Cheetah 15K.4 FC Product Manual, Rev. B 19 5.2.3 Hot plugging the drive Inserting and removing the drive on the FC-AL will interrupt loop operation. The interrup tion occurs when the receiver of the next device in the lo op must synchroni ze to a dif ferent input signal. FC error detection m echa - nisms, characte r sync, running disparity , word s[...]

  • Page 32

    20 Cheetah 15K.4 FC Product Manual, Rev. B Performance imp act S.M.A.R.T . attribute data is saved to the d isc so that the events that c aused a pr edictive failure can be rec re - ated. The drive mea sures and saves parameters once every two hours subject to an idle period on the FC-AL bus. The proc ess of measuring off-line attribute data and sa[...]

  • Page 33

    Cheetah 15K.4 FC Product Manual, Rev. B 21 The thermal monitor system generates a warning code of 01-0B01 when the temperature exceeds the speci - fied limit in compliance with the SCSI standa rd. The drive temperature is reported in the FRU code field of mode sense dat a. Y ou can use th is information to determi ne if the warn ing is due to the t[...]

  • Page 34

    22 Cheetah 15K.4 FC Product Manual, Rev. B 5.2.6.2 Imple mentation This section provides all of the information necess ary to imple ment the DST function on this drive. 5.2.6.2. 1 St ate of t he drive pr ior to testin g The drive must be in a read y state before issuing the Send Diagnostic command. There are multiple reaso ns why a drive m ay not b[...]

  • Page 35

    Cheetah 15K.4 FC Product Manual, Rev. B 23 5.2.6.2. 4 Log page entries When the drive begins DST , it creates a new entry in the Self-test Result s Log page. The new entry is created by inserting a new se lf-test parameter block at the begi nni ng of the self-test result s log parameter section of the log page. Existing data will be moved to make r[...]

  • Page 36

    24 Cheetah 15K.4 FC Product Manual, Rev. B Product r epair and return information Seagate customer service centers are the only facilities authorized to se rvice Seagate driv es. Seagate does not sanction any third-p arty repair facilities. Any unaut ho rized repair or t ampering with the fa ctory seal voids the warranty .[...]

  • Page 37

    Cheetah 15K.4 FC Product Manual, Rev. B 25 6.0 Physical/electrical specifications This section provides information relating to the physical and electrical char acteristics of the drive. 6.1 AC power requirement s None. 6.2 DC power requirement s The voltag e and current requirements for a single drive are sh‘own below . V alues indicated apply a[...]

  • Page 38

    26 Cheetah 15K.4 FC Product Manual, Rev. B [1] Measured with average reading DC ammeter . Instantaneous +12V cu rrent peaks will exceed these val - ues. Power supply at nominal volt age. N (number of drives tested) = 6, 35 Degrees C ambient. [2] For +12 V , a –10% tolerance is allowed during initia l spindle start but must retu rn to ±5% before [...]

  • Page 39

    Cheetah 15K.4 FC Product Manual, Rev. B 27 and 230 I/Os per second for ST37 3554FC andST336854FC models. Current an d power specified at nom - inal voltages. Decreasing +5 volt supply by 5% increases 5 volt current by 2.5%. Decreasing +12 volt sup - ply by 5% increases 12 volt current by 3.0% (2% for ST 373554FC and ST336854F C models). [7] During [...]

  • Page 40

    28 Cheetah 15K.4 FC Product Manual, Rev. B Figure 2. T y pical ST3146954FC d ri ve, 2 Gbit, +12V current profile Figure 3. T y pical ST3146954FC d ri ve, 2 Gbit, +5V current profile[...]

  • Page 41

    Cheetah 15K.4 FC Product Manual, Rev. B 29 Figure 4. T ypical ST373554FC d rive +12V current profile Figure 5. T ypical ST373554FC d rive +5V current profile[...]

  • Page 42

    30 Cheetah 15K.4 FC Product Manual, Rev. B Figure 6. T y pical ST336854FC drive +12V current profile Figure 7. T y pical ST336854FC drive +5V current profile[...]

  • Page 43

    Cheetah 15K.4 FC Product Manual, Rev. B 31 6.3 Power dissip ation ST3146954FC T ypical power dissipation under idle conditio ns in 2Gb operation is 13.96 watts (47.6 BTUs per hour). T o obtain operating p ower for typical random read oper atio ns, refer to the following I/O rate curve (see Figure 8 ). Locate the typical I/O rate for a driv e in you[...]

  • Page 44

    32 Cheetah 15K.4 FC Product Manual, Rev. B ST373554FC T ypical power dissipation under idle conditions in 2Gb operation is 1 1.49 watts (39.21 BTUs per hour). T o obtain operating p ower for typical random read oper atio ns, refer to the f ollowing I/O rate cu rve (see Figure 8 ). Locate the typical I/O rate for a driv e in your syst em on the hori[...]

  • Page 45

    Cheetah 15K.4 FC Product Manual, Rev. B 33 ST336854FC T ypical power dissipation under idle conditions in 2Gb operation is 9.88 watt s (33.7 BTUs per hour). T o obtain operating p ower for typical random read oper atio ns, refer to the following I/O rate curve (see Figure 8 ). Locate the typical I/O rate for a driv e in your syst em on the horizont[...]

  • Page 46

    34 Cheetah 15K.4 FC Product Manual, Rev. B 6.4 Environment al limit s T emperature and humidity value s experienced by the driv e must be such that condens ation does not occur on any drive part. Altitude and atmospheric pressure specif ica tions are referenced to a standard da y at 58.7°F (14.8°C). M aximum wet b ulb temperat ure is 82°F ( 28°[...]

  • Page 47

    Cheetah 15K.4 FC Product Manual, Rev. B 35 6.4.3 Effec tive altitude (sea level) a. Operating –1,000 to +10,000 feet (–30 5 to +3,048 meters) b. Non-operatin g –1,000 to +40,000 feet (–305 to +1 2,210 meters) 6.4.4 Shoc k and vibration Shock and vibration limits specified in this document are mea sured directly on the drive chassis. If the [...]

  • Page 48

    36 Cheetah 15K.4 FC Product Manual, Rev. B d. Packaged Disc drives shipped as loose load (not palletized) general freight will be packaged to withs tand drops from heights as define d in the table below . For additional deta ils refer to Seagate specifications 30190-001 (under 100 lbs/45 kg) or 30191-001 (over 100 lbs/45 Kg) . Drives packaged in si[...]

  • Page 49

    Cheetah 15K.4 FC Product Manual, Rev. B 37 6.4.4.2 Vibration a. Operating—normal The drive as inst alled for normal operation, sha ll comply with the complete sp ecified performance while subjected to continuous vi bration not exceeding 5-500 Hz @ 0.5 G (zero to peak) Vibr ation may be applied in the X, Y , or Z axis. Operating normal translation[...]

  • Page 50

    38 Cheetah 15K.4 FC Product Manual, Rev. B 6.5 Mechanical specifications The following nominal dimensions are exclusive of the de corative front panel accesso ry . However , dimensions of the front p anel are shown in figure below . Refer to Figure 13 for det ailed mounting configuration dimensions. See Section 8.5 , “Drive mounting.” Figure 13[...]

  • Page 51

    Cheetah 15K.4 FC Product Manual, Rev. B 39 7.0 Defect and erro r management The drive, as deliv ered, co mplies with this product manual. The re ad error rates and specified storage ca paci - ties are not dependent upon use of defect m ana gement routines by the host (initiator). Defect and error management in the SCSI protocol in volves the dr ive[...]

  • Page 52

    40 Cheetah 15K.4 FC Product Manual, Rev. B Ta b l e 5 equates the read a nd write retry count with the ma ximum possible recovery time for read and write recovery of individual LBAs. The times given do not incl ude time t aken to perform reallocation s. Reallocations are perfor med when the ARRE bit (f or reads) or A WRE bit (for w rites) is one, t[...]

  • Page 53

    Cheetah 15K.4 FC Product Manual, Rev. B 41 [1] These va lues are subje ct to change. Setting these retry count s to a value below the defa ul t setting could result in an increased unrecovered error rate which may exceed the value given in this product manual. A setting of zero (0 ) will result in the drive not performin g error recovery . For exam[...]

  • Page 54

    42 Cheetah 15K.4 FC Product Manual, Rev. B 7.4 Background Media Scan Background Media Scan (BGMS) is a self-initiated media scan . It performs sequential reads across the entire pack of the media whi le the drive is idle. In RAID arrays, BGMS allows hot spare drives to be scanned for defects prior to b eing put into service by the host syst em. On [...]

  • Page 55

    Cheetah 15K.4 FC Product Manual, Rev. B 43 8.0 Inst allation Cheetah 15K.4 FC dis c drive installation is a plug-a nd-play proce ss. There are no jumpers, swit ches, or termi - nators on the drive. Simply plug the drive into th e host’ s 40-pin Fibre Channel backp anel connector (FC- SCA) — no cables are require d. See Section 9.5 for additiona[...]

  • Page 56

    44 Cheetah 15K.4 FC Product Manual, Rev. B 8.2 LED connections A connector , J6, is provided on the printed circuit board assembly (PCBA) to provide port bypass, drive a ctive, and drive fault LED connections (see Fi gure 15 ). See Sections 9. 5.7 , 9.5.8 , and 9.5.9 for descriptions of LED functions. Figure 14. Physical interface [1] The drive h a[...]

  • Page 57

    Cheetah 15K.4 FC Product Manual, Rev. B 45 8.2.1 J 6 connector requirement s Recommended mating con nector part number: Berg receptacle, 6 -position, Berg part number 690-006. 8.3 Drive orient ation The drive may be mounted in an y orientation. All drive perform ance characterizations, however , have been done with the drive in horizontal (discs le[...]

  • Page 58

    46 Cheetah 15K.4 FC Product Manual, Rev. B 8.5 Drive mounting Mount the drive usin g the bottom or side mounting holes . If you mount the drive using the bottom holes, ensure that you do not physically d istort the d rive by at tempting to mount it on a stiff, non-flat surface. The allowable mountin g surface stiffness is 80 lb/i n (14.0 N/mm). The[...]

  • Page 59

    Cheetah 15K.4 FC Product Manual, Rev. B 47 9.0 Interface requirements This section partially describes the interface r equirements as implemented on Che etah 15K.4 FC drives. Addi - tional information is provided in the Fibre Channel I nterface M anual (part numbe r 77767496). 9.1 FC-AL features This section list s the Fibre Channel-specific fe atu[...]

  • Page 60

    48 Cheetah 15K.4 FC Product Manual, Rev. B 9.1.2 Fibr e Channel ta sk management functions Ta b l e 7 lists the Fibre Channel SCSI Fibre Ch annel Protocol (FC SCSI FCP) task mana gement functions sup - ported. 9.1.3 Fibr e Channel t ask management responses Ta b l e 8 lists the FC SCSI FCP response c odes retu rned for task managem ent functions su[...]

  • Page 61

    Cheetah 15K.4 FC Product Manual, Rev. B 49 9.1.4 Fibre Ch annel port login Ta b l e 9 iden tifies the required conten t of the N_ Port Login (P LOGI) payload fro m an initiator . T able 9: N_Port login (PLOGI ) p aylo ad Bytes 0-15 03 00 00 00 09 09 BB BB CF XX FS FS XX XX XX XX Common 16-31 XX XX XX XX PN PN PN PN PN PN PN PN NN NN NN NN 32-35 NN [...]

  • Page 62

    50 Cheetah 15K.4 FC Product Manual, Rev. B 9.1.5 Fibr e Channel port login accept Ta b l e 10 identifies the N_Port Login access payload valu es. 9.1.6 Fibr e Channel Process Login Ta b l e 11 lists the process login payload da ta. XX Indicates field s that are not used. T able 10: N_Port Login Accept (ACC) pa yload Bytes 0-15 02 00 00 00 09 09 00 [...]

  • Page 63

    Cheetah 15K.4 FC Product Manual, Rev. B 51 9.1.7 Fibre Channel Process Login Accept Ta b l e 12 lists Cheet ah 15K.4 FC process login accept payload dat a. 9.1.8 Fibre Ch annel fabric login Ta b l e 13 lists the fabr ic login payload from the drive. T able 12: Process Login Accept (ACC) payload Bytes 0-15 02 10 00 14 08 00 21 00 00 00 00 00 00 00 0[...]

  • Page 64

    52 Cheetah 15K.4 FC Product Manual, Rev. B 9.1.9 Fibr e Channel fabric accept login Ta b l e 14 lists the require d content of the Fab ric Login Accept (A CC) payload from the fabric. T able 14: Fabric Login Accept (ACC) payload Bytes 0-15 02 00 00 00 09 09 BB BB CF XX FS FS R_ A_ T0 V_ Common 16-31 E_ D_ T0 V_ PN PN PN PN PN PN PN PN NN NN NN NN 3[...]

  • Page 65

    Cheetah 15K.4 FC Product Manual, Rev. B 53 9.1.10 Fibre Channel Arbitrat ed Loop options Ta b l e 15 lists the FC-AL options supported by Cheet ah 15K.4 FC drives. 9.2 Dual port support Cheetah 15K.4 F C drives have two independent FC-AL port s. These ports may be conn ected on independent loops or on the same loop. Port A and Port B may be connect[...]

  • Page 66

    54 Cheetah 15K.4 FC Product Manual, Rev. B 9.3 SCSI commands supported Ta b l e 16 lists the SCSI comma nds supporte d by Cheetah 15K.4 FC drives. T able 16: Supp orted commands Command code Su pported [4] Command name 00h Y T est unit ready 01h Y Rezero unit 03h Y Request sense Y Extended sense Y Field pointer bytes Y Actual retry count bytes 04h [...]

  • Page 67

    Cheetah 15K.4 FC Product Manual, Rev. B 55 Y Control mode page (0Ah) Y Fibre Channel Interface Control page (19h) Y Power control page (1Ah) Y Information exceptions con trol page (1Ch) 1Bh Y S tart unit/stop unit 1Ch Y Receive diagnostic re sults Y Supported diagnostics pages Y T ranslate page Y Enclosure services page 1Dh Y Send diagnostics page [...]

  • Page 68

    56 Cheetah 15K.4 FC Product Manual, Rev. B 37h Y Read defect data 39h N Compare 3Ah N Copy and verify 3Bh Y Write buf fer Y Write combined header and data mode (0) Y Write dat a mode (2) N Download microcode mode (4) Y Download microcode and save modes (5) N Download microcode with offsets mode (6) Y Download microcode with offsets and save mode (7[...]

  • Page 69

    Cheetah 15K.4 FC Product Manual, Rev. B 57 [1] Cheetah 15K.4 FC drives can format to any multiple of four b ytes per logical block in the range 512 to 704 bytes. [2] W arning. Power loss du ring flash programming can result in firmware corruption. This usua lly makes the drive inoperable. [3] Reference Mode Sense command 1Ah for mode p ages support[...]

  • Page 70

    58 Cheetah 15K.4 FC Product Manual, Rev. B 9.3.1 Inquir y data Ta b l e 17 list s the Inquiry command dat a that the drive should return to the init iator per the format given in the Fibre Channel In terface Manual . * Copyright year (change s with actual year). ** 02 = SCSI-2 implemented with so me SCSI-3 features (default). 03 = SCSI-3 implemente[...]

  • Page 71

    Cheetah 15K.4 FC Product Manual, Rev. B 59 On standard OEM drives, the saved values are t aken from the default values list and stored into the saved values storage location on the media prior to shipping. 3. Current value s Current values are volatile values being used by the drive to control it s operation. A Mode Select command can be used to ch[...]

  • Page 72

    60 Cheetah 15K.4 FC Product Manual, Rev. B T able 18: Mode Sens e dat a sa ved, default and changeable values for ST3146954FC drives MODE SENSE (10 BYTE) HEADER DATA 00 ae 00 10 00 00 00 08 11 17 73 30 00 00 02 00 MODE SENSE PAGES DATA SAV 81 0a c0 0b ff 00 00 00 05 00 ff ff DEF 81 0a c0 0b ff 00 00 00 05 00 ff ff CHG 81 0a ff ff 00 00 00 00 ff 00 [...]

  • Page 73

    Cheetah 15K.4 FC Product Manual, Rev. B 61 T able 19: Mode Sense data default and changeable values for ST37 3554FC drives MODE SENSE (10 BYTE) HEADER DATA 00 ae 00 10 00 00 00 08 08 8b b9 98 00 00 02 00 MODE SENSE PAGES DATA SAV 81 0a c0 0b ff 00 00 00 05 00 ff ff 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 SAV [...]

  • Page 74

    62 Cheetah 15K.4 FC Product Manual, Rev. B T able 20: Mode Sense data default and changeable values for ST336854FC drives MODE SENSE (10 BYTE) HEADER DATA 00 ae 00 10 00 00 00 08 04 45 dc cc 00 00 02 00 MODE SENSE PAGES DATA SAV 81 0a c0 0b ff 00 00 00 05 00 ff ff 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 SAV 8[...]

  • Page 75

    Cheetah 15K.4 FC Product Manual, Rev. B 63 9.4 Miscellaneous operating features and conditions Ta b l e 21 lists various features and conditions. A “Y” in the suppor t column indicates t he feature or condition is supported. An “N” in the support column indicates the featur e or condition is not supported. T able 21: Miscellane ous features[...]

  • Page 76

    64 Cheetah 15K.4 FC Product Manual, Rev. B 9.5 FC-AL physical interface Figure 17 shows the location of the J1 Fibre Channel single conne ction attachment (FC-SCA) and the J6 con - nector . Figure 19 provides the dimensions of th e FC-SCA connector . Figure 20 provides the dimens ions of the J6 connector . Details of the physical, electrical, an d [...]

  • Page 77

    Cheetah 15K.4 FC Product Manual, Rev. B 65 9.5.2 Conn ector requirements The FC-AL SCA device connecto r is illustrated in Figure 19 . The J6 connector is illustrated in Figure 20 . Figure 19. FC-AL SCA device connector dimens ions Figure 20. J6 connector dimensions T able 23: Recommended mating SCA p ar t numbers Part description Positions Part nu[...]

  • Page 78

    66 Cheetah 15K.4 FC Product Manual, Rev. B 9.5.3 Electrical description Fibre Channe l drives use the FC -SCA connector fo r: • DC power • FC-AL interface • Drive select (device identification ) • Option selection • Enclosure Serv ices interface This 40-pin connector is designed to plug directly into a backpanel. Externa l cables are not [...]

  • Page 79

    Cheetah 15K.4 FC Product Manual, Rev. B 67 9.5.5 FC-AL transmit ters and receivers A typical FC-AL dif ferential copper transmit ter and receiver p air is shown in Figure 21 . The receiver is required to provide the AC coupling to eliminate ground shif t noise . Figure 21. FC-AL transmitters and receivers 9.5.6 Powe r Power is supplied through the [...]

  • Page 80

    68 Cheetah 15K.4 FC Product Manual, Rev. B 9.5.8 Active LED Out The Active LED Out signal is driven by the drive as indicated in T able 25 . The Active LED Out signal is designed to pull down th e cathode of an LED. The anode is att ached to the proper +5 volt supply through an app ropriate current lim iting resistor . Th e LED and th e current lim[...]

  • Page 81

    Cheetah 15K.4 FC Product Manual, Rev. B 69 9.5.1 1 SEL_6 through SEL_0 ID lines The SEL_6 thro ugh SEL_0 ID lines determine d rive address , and, optionally , for a n Enclosure Services Inter - face. When the Parallel ESI lin e is high, the enclosure backp anel must provide add ress information on the SEL line. Refer to table 27 for a mapping of SE[...]

  • Page 82

    70 Cheetah 15K.4 FC Product Manual, Rev. B T able 27: Arbitrated loop physical address (AL_P A) values AL_P A (hex) SEL ID (hex) Setting (dec) AL_P A (hex) SEL ID (hex) Setting (dec) AL_P A (hex) SEL ID (hex) Setting (dec) EF 00 00 A3 2B 43 4D 56 86 E8 01 01 9F 2C 44 4C 57 87 E4 02 02 9E 2D 45 4B 58 88 E2 03 03 9D 2E 46 4A 59 89 E1 04 04 9B 2F 47 4[...]

  • Page 83

    Cheetah 15K.4 FC Product Manual, Rev. B 71 9.5.12 Device control c odes The drive input s a Device Control Code on the DEV_CT RL_ CODE lines at power up to determine the link rate on the Fibre Chan nel ports. Both p orts run at the same rate. If the backpanel do es not connect to these lines, the drive has 10K ohm pull up resistors that def ault th[...]

  • Page 84

    72 Cheetah 15K.4 FC Product Manual, Rev. B 9.6.2 LED driver sig nals Fault and Active LED signals are lo cated in the FC-SCA connec tor (J1) and th rough the in dicator conn ector (J6). See T able 30 for th e output char acteristics of the LED drive s ignals. 9.6.3 FC Differen tial output The serial ou tput signal voltage c har acteristics are prov[...]

  • Page 85

    Cheetah 15K.4 FC Product Manual, Rev. B 73 Figure 23 provides the data valid ey e diagram fo r typical and m inimum requ irements to recov er data at the specified inte rface erro r rate. The inputs are AC coupled on the dr ive. Figure 23. Receive eye diagram T able 33: Eye diagram data values Link rate 1 GHz 2 GHz 4 GHz Bit time 941 ps 470 ps 235 [...]

  • Page 86

    74 Cheetah 15K.4 FC Product Manual, Rev. B[...]

  • Page 87

    Cheetah 15K.4 FC Product Manual, Rev. B 75 10.0 Seagate T echnolo gy support services Online services Internet www .seagate.com for informatio n about Seagate product s and services. Worldwide supp ort is available 24 hours daily by e-mail for you r questions. Presales Support: www .sea g ate.com/support/email/ email_pres ales.html or Presales@Seag[...]

  • Page 88

    76 Cheetah 15K.4 FC Product Manual, Rev. B Customer Service Operations W arranty Service Seagate offers wor ldwide custom er support f or Seagate drives. Seagate di stributors, OEMs and other direct customers should contact their Seagate Customer Serv ice Operation s (CSO) repre sentative for warranty - related issues. Resellers or end u sers of dr[...]

  • Page 89

    Cheetah 15K.4 FC Product Manual, Rev. B 77 European support services For presales and technical support in Euro pe, dial t he Seagate Service Center toll-free number for your spe - cific location. If your loc ation is no t listed here, dial our presales and te chnical support call center at +1-405- 324-4714 from 8:00 A . M . to 1 1:45 A . M . and 1[...]

  • Page 90

    78 Cheetah 15K.4 FC Product Manual, Rev. B Asia/Pacific support services For Asia/Pacific presales and technica l support, dial the toll-free number for your specific location. The Asia/ Pacific toll-free numbers are available from 6:00 A . M . to 10:45 A . M . and 12:00 P . M . to 6:00 P . M . ( Australian East - ern time) Monday thro ugh Friday ,[...]

  • Page 91

    Cheetah 15K.4 FC Product Manual, Rev. B 79 Index Numerics 12 volt pins 67 3rd party reserve command 57 5 volt pins 67 A Abort Sequence (ABTS) 47 abort task set function 48 AC coupling 67 AC power requirements 25 ACA active status 63 ACA active, faulted initiator status 63 Accept (ACC) 47 acoustics 37 active LED Out signal 68 Actual retry count byte[...]

  • Page 92

    80 Cheetah 15K.4 FC Product Manual, Rev. B D data block s ize modifing the 9 data buffer to/from disc media 12 data heads read/write 11 data rate internal 11 data transfer rate 12 data valid eye 73 Date code page command 54 DC power 66 requirements 25 defect and error ma nagement 39 deferred error handlin g 63 description 7 DEV_CTRL_CODE 71 Device [...]

  • Page 93

    Cheetah 15K.4 FC Product Manual, Rev. B 81 received on Po rt A 51 received on Po rt B 51 Force unit access command 55 form factor 8 format 43 Format command execution time 12 Format page (03h) command 54 Format unit command 54 front panel 38 FS 49 , 50 , 52 function complete, code 00 48 not supporte d, code 05 48 reject, code 04 48 G Good status 63[...]

  • Page 94

    82 Cheetah 15K.4 FC Product Manual, Rev. B SMP = 1 in Mode Select command 63 Synchronized (locked) spindle oper ation 63 Zero latenc y read 63 miscellaneous status support ACA active 63 ACA active, faulted initiator 63 Busy 63 Check condition 63 Condition met/good 63 Good 63 Intermediate/condition met/good 63 Intermediate/good 63 Reservation confli[...]

  • Page 95

    Cheetah 15K.4 FC Product Manual, Rev. B 83 Prefetch command 55 prefetch/multi-segm ented cache control 12 Pre-Scan 42 preventive maintenan ce 17 private loop FC-AL options 53 Proc Assc 49 Process Accept (ACC) 51 Process Login (PRLI) 47 , 50 Process Login Accept (ACC) pa yload 51 process login payload data 50 Process Logout (PRLO) 47 programmable dr[...]

  • Page 96

    84 Cheetah 15K.4 FC Product Manual, Rev. B LED driver 72 single-unit shipping pack kit 10 SMART 9 , 19 SMP = 1 in Mode Select command 63 SO 49 , 52 spindle brake 8 Stacked connection req. 49 , 52 standards 3 Start unit/stop unit command 55 start/stop time 12 support services 75 Supported diagnostics pages co mmand 55 surface stiffness allowable for[...]

  • Page 97

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  • Page 98

    Seagate T echnology LLC 920 Disc Drive, Scotts V alley , California 95066-4544, USA Publication Number: 1003668 96, Rev . B, Printed in USA[...]