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USER RESPONSIBLE F O R V E R I F Y I N G VERSION A N D COMPLETENESS

O E M F U N C T I O N A L SPECIFICATION ULTRASTAR X P (DFHC) SSA M O D E L S 1.12/2.25 GB - 1.0" H I G H

Contents

1.0 Description

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1.1 Features

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1.1.1 General Features

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1.1.2 Performance Summary

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1.1.3 Interface Controller Features

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1.1.4 Reliability Features

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1.2 Models

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2.0 Specifications

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2.1 General

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2.1.1 Capacity Equations

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2.2 Power Requirements by Model

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2.2.1 C1x Models

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2.2.2 C2x Models

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2.2.3 C4x Models

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2.2.4 CxB Models

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2.2.5 Power Supply Ripple

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2.2.6 Grounding Requirements of the Disk Enclosure

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2.2.7 Hot plug/unplug support

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2.2.8 Bring-up Sequence (and Stop) Times

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3.0 Performance

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3.1 Environment Definition

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3.2 Workload Definition

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3.2.1 Sequential

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3.2.2 Random

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3.3 Command Execution Time

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3.3.1 Basic Component Descriptions

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3.3.2 Comments

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3.4 Approximating Performance for Different Environments

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3.4.1 For Different Transfer Sizes

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3.4.2 When Read Caching is Enabled

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3.4.3 When Write Caching is Enabled

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3.4.4 When Adaptive Caching is Enabled

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3.4.5 When Read-ahead is Enabled

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3.4.6 When N o Seek is Required

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3.4.7 For Queued Commands

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3.4.8 Out of Order Transfers

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3.5 Skew

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3.5.1 Cylinder to Cylinder Skew

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3.5.2 Track to Track Skew

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3.6 Idle Time Functions

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3.6.1 Servo R u n Out Measurements

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3.6.2 Servo Bias Measurements

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3.6.3 Predictive Failure Analysis

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3.6.4 Channel Calibration

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3.6.5 Save Logs and Pointers

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3.6.6 Disk Sweep

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3.6.7 Summary

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3.7 Command Timeout Limits

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Source filename=STSSHEXT

IBM Corporation

Page 5 of 87

Содержание C1B 1.12 Brick On Sled Carrier 128-pin HPC

Страница 1: ...CATION ULTRASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH 4 51 GB 1 6 HIGH 3 5 FORM FACTOR DISK DRIVE VERSION 5 0 August 15 1995 Publication number 3304 IBM Corporation Source filename STSSHEXT IBM Co...

Страница 2: ...ng any obligation IBM may have patents or pending patent applications covering subject matter in this document The fur nishing of this document does not give you any license to these patents You can s...

Страница 3: ...njunction with the Ultrastar XP DFHC SSA Models Interface Specification make up the Functional Specification for the Ultrastar XP SSA DFHC product The product description and other data found in this...

Страница 4: ...USER RESPONSIBLE FOR VERIFYING VERSION AND COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH Source filename STSSHEXT IBM Corporation Page 4 of 87...

Страница 5: ...on 39 3 2 Workload Definition 39 3 2 1 Sequential 40 3 2 2 Random 40 3 3 Command Execution Time 40 3 3 1 Basic Component Descriptions 40 3 3 2 Comments 42 3 4 Approximating Performance for Different E...

Страница 6: ...Pin 5 67 5 5 6 Device Activity Pin Indicator Option Port Pin 6 67 5 5 7 5V Option Port Pin 7 67 5 5 8 Device Fault Pin Indicator Option Port Pin 8 67 5 5 9 Programmable pin 1 Option Port Pin 9 68 5 5...

Страница 7: ...urement Points 77 7 2 Vibration and Shock 79 7 2 1 Drive Mounting Guidelines 80 7 2 2 Output Vibration Limits 80 7 2 3 Operating Vibration 80 7 2 4 Operating Shock 82 7 2 5 Nonoperating Shock 82 7 3 C...

Страница 8: ...USER RESPONSIBLE FOR VERIFYING VERSION AND COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH Source filename STSSHEXT IBM Corporation Page 8 of 87...

Страница 9: ...e Summary Average read seek time 1 12 GB 6 9 milliseconds Average read seek time 2 25 GB 7 5 milliseconds Average read seek time 4 51GB 8 0 milliseconds Average Latency 4 17 milliseconds Split read wr...

Страница 10: ...ous models as shown below The Ultrastar XP SSA data storage capacities vary as a function of model and user block size The emerging industry trend is capacity points in multiples of 1 08GB i e 1 08 2...

Страница 11: ...is called Notch 10 Average values are weighted with respect to the number of LBAs per notch when the drive is formatted with 512 byte blocks Data transfer rates Notch 1 Notch 10 Average Buffer to from...

Страница 12: ...Notch 1 40 20 10 Notch 2 40 20 10 Notch 3 38 19 10 Notch 4 37 19 9 Notch 5 36 18 9 Notch 6 34 17 9 Notch 7 33 17 8 Notch 8 32 16 8 Notch 9 31 16 8 Notch 10 30 15 7 Last cylinder extra spares lcspr 60...

Страница 13: ...4 128 128 128 120 115 112 108 105 102 90 528 128 128 126 120 112 112 108 105 101 90 600 115 115 115 110 102 101 97 90 90 90 688 102 102 102 98 90 90 90 90 81 78 744 96 96 96 90 90 90 81 78 77 73 C4x M...

Страница 14: ...ASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH 2 1 1 2 For Entire Drive spares drive spr drv 10 notch 1 spr nch user sectors drive us drv 10 notch 1 us nch logical blocks drive lba drv INT us drv sct...

Страница 15: ...erences were found by measuring SSA Cx4 model SSA 5 V current numbers are derived from SCSI 5 V current numbers by adding 290ma and 500ma accord ingly Population Population Power Supply Current Notes...

Страница 16: ...me a case of 30 operations second sigma 12VDC idle average 0 02 amps 12VDC seek average sqrt 30 0 0002 2 0 001 amps TOTAL sqrt 0 02 2 001 2 0 02 amps So the mean plus 3 sigma mean current is 0 361 3 0...

Страница 17: ...all distributions are normal There fore the square root of the sum of the squares calculation applies sigma 12VDC idle avg 0 02 amps 12VDC seek peak 0 02 amps TOTAL sqrt 0 02 2 0 02 2 0 028 amps So t...

Страница 18: ...Figure 1 5 volt current during read write operations C1x Models 1 Read write baseline voltage 2 Read write pulse The width of the pulse is proportional to the number of consecutive blocks read or writ...

Страница 19: ...C SSA MODELS 1 12 2 25 GB 1 0 HIGH Figure 2 Typical 12 volt current C1x Models 1 Maximum slew rate is 7 amps millisecond 2 Maximum slew rate is 100 amps millisecond 3 Maximum slew rate is 7 amps milli...

Страница 20: ...IONAL SPECIFICATION ULTRASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH Figure 3 Typical 12 volt spin up current C1x Models 1 Maximum slew rate is 20 amps millisecond 2 Current drops off as motor comes...

Страница 21: ...90ma and 500ma accord ingly Population Population Power Supply Current Notes Mean Stand Dev 5VDC power up Minimum voltage slew rate 4 5 V sec 5VDC idle avg 1 23 Amps 0 02 Amps 5VDC R W baseline 1 25 A...

Страница 22: ...ll the distributions are normal Therefore the square root of the sum of the squares calculation applies Assume a case of 30 operations second sigma 12VDC idle average 0 02 amps 12VDC seek average sqrt...

Страница 23: ...e all distributions are normal There fore the square root of the sum of the squares calculation applies sigma 12VDC idle avg 0 03 amps 12VDC seek peak 0 02 amps TOTAL sqrt 0 03 2 0 02 2 0 036 amps So...

Страница 24: ...Figure 4 5 volt current during read write operations C2x Models 1 Read write baseline voltage 2 Read write pulse The width of the pulse is proportional to the number of consecutive blocks read or writ...

Страница 25: ...C SSA MODELS 1 12 2 25 GB 1 0 HIGH Figure 5 Typical 12 volt current C2x Models 1 Maximum slew rate is 7 amps millisecond 2 Maximum slew rate is 100 amps millisecond 3 Maximum slew rate is 7 amps milli...

Страница 26: ...IONAL SPECIFICATION ULTRASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH Figure 6 Typical 12 volt spin up current C2x Models 1 Maximum slew rate is 20 amps millisecond 2 Current drops off as motor comes...

Страница 27: ...90ma and 500ma accord ingly Population Population Power Supply Current Notes Mean Stand Dev 5VDC power up Minimum voltage slew rate 4 5 V sec 5VDC idle avg 1 26 Amps 0 02 Amps 5VDC R W baseline 1 27 A...

Страница 28: ...l the distributions are normal Therefore the square root of the sum of the squares calculation applies Assume a case of 30 operations second sigma 12VDC idle average 0 02 amps 12VDC seek average sqrt...

Страница 29: ...e all distributions are normal There fore the square root of the sum of the squares calculation applies sigma 12VDC idle avg 0 02 amps 12VDC seek peak 0 02 amps TOTAL sqrt 0 02 2 0 02 2 0 028 amps So...

Страница 30: ...Figure 7 5 volt current during read write operations C4x Models 1 Read write baseline voltage 2 Read write pulse The width of the pulse is proportional to the number of consecutive blocks read or writ...

Страница 31: ...C SSA MODELS 1 12 2 25 GB 1 0 HIGH Figure 8 Typical 12 volt current C4x Models 1 Maximum slew rate is 7 amps millisecond 2 Maximum slew rate is 100 amps millisecond 3 Maximum slew rate is 7 amps milli...

Страница 32: ...IONAL SPECIFICATION ULTRASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH Figure 9 Typical 12 volt spin up current C4x Models 1 Maximum slew rate is 20 amps millisecond 2 Current drops off as motor comes...

Страница 33: ...onverter output is 5 volts at 0 3 amps to 2 6 amps and 1 2 volts at 0 3 amps to 1 4 amps continuous current The 12v output can handle a surge current of 2 2 amps in 9 seconds The total input current t...

Страница 34: ...enclosure Please contact your IBM Customer Representative if you have questions on how to integrate this drive in your system 2 2 7 Hot plug unplug support Power supply and SSA link hot plug and un p...

Страница 35: ...ess to be started by the Initiators During hot plugging the supplies must not go over the upper voltage limit This means that proper ESD protection must be used during the plugging event During hot un...

Страница 36: ...ecification Note If a RESET is issued before the drive comes ready the power on sequence will start again In all other cases when a RESET is issued the present state of the motor is not altered Note R...

Страница 37: ...x Models Event Nominal Maximum Notes Power up 1 5 sec 2 0 sec see Figure 10 Start up 17 6 sec 45 sec see Figure 10 Spin up 13 2 sec 29 2 sec see Figure 10 Spindle Stop 9 0 sec 12 0 sec Event Nominal M...

Страница 38: ...USER RESPONSIBLE FOR VERIFYING VERSION AND COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH Source filename PERFORM IBM Corporation Page 38 of 87...

Страница 39: ...of customer data stored in the segment There fore use the following equation to determine how many blocks can fit into one segment 512KB of segments ub lba 2 Ten byte Read and Write commands are used...

Страница 40: ...is on the track that contains the first requested LBA Values are population averages and vary as a function of operating conditions The values used to determine Command Execution Times for sequential...

Страница 41: ...It varies by notch only and does not include any overhead 2 Track Data Sector Transfer Rate Varies depending upon the formatted logical block length and varies from notch to notch It includes the over...

Страница 42: ...s been removed from the Command Execution Time calculations The components of the Command Execution Times are truly additive times to the entire operation For example The Post Command Processing times...

Страница 43: ...r time for 1 cyl track skews 1 cyl skew Bytes cylinder tracks cyl gross sectors track spares cyl user bytes sector 16 135 40 512 1 085 440 Bytes cyl time for 1 cyl of data tracks cyl gross sectors tra...

Страница 44: ...s received The contribution of the Data Transfer to from SSA link to the Command Execution time may increase since a larger or entire portion of the transfer may no longer be overlapped with the compo...

Страница 45: ...me is minimized The amount of reduction is a function of the location of the 1st requested block per command and the rate at which the commands are sent to the drive A Queue Algorithm Modifier Mode Pa...

Страница 46: ...re located at the same relative physical position when the devices are used in a synchronized spindle mode cylinder skew is calcu lated differently The cylinder skew calculations do not take into acco...

Страница 47: ...ted and executed without delay if the commands are received by the drive within 5 seconds after the completion of a previous SCSI command This mechanism has the benefit of not requiring special system...

Страница 48: ...he measurements evenly in time and each measurement takes about 80 milliseconds For example a C4x model with 8 heads will perform one PFA measurement every 3 7 minutes 240 8 8 For the last head tested...

Страница 49: ...mes are for environments where Automatic Reallocation is disabled and there are no queued commands Reassignment Time The drive should be allowed a minimum of 45 seconds to complete a Reassign Blocks c...

Страница 50: ...g Receive Diagnostic Results Release Reserve Rezero Unit Seek Send Diagnostic Verify Write Write and Verify Write Buffer Write Long Write Same Note The 30 sec limit assumes the absence of SSA link con...

Страница 51: ...der the drive and on top of the drive There should be 7 mm of clearance between drive s that are mounted with their top sides see Figure 22 on page 78 for top view of drive facing each other 4 1 3 Mou...

Страница 52: ...AL SPECIFICATION ULTRASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH notes 1 Bottom clearance required by 4 1 2 Clearances 2 Dimensions are in millimeters Figure 11 Location of Side Mounting Holes of C...

Страница 53: ...PECIFICATION ULTRASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH notes 1 Bottom clearance required by 4 1 2 Clearances on page 51 2 Dimensions are in millimeters Figure 12 Location of Side Mounting Hol...

Страница 54: ...FICATION ULTRASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH notes 1 The purpose of this drawing is to show the bottom hole pattern 2 Dimensions are in millimeters Figure 13 Location of Bottom Mounting...

Страница 55: ...or is located on the left side of the top view bottom drawing as shown in Figure 14 on page 56 The jumper connector is located on the right side of the top view bottom drawing as shown in Figure 14 on...

Страница 56: ...YING VERSION AND COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH Figure 14 Electrical connectors rear and top view CxC Models Source filename MECHANIC IBM...

Страница 57: ...contains an electrical receptacle that provides connections for DC power SSA interface signals and fault sensing and reporting signals see 5 2 Carrier Connector on page 64 The carrier design allows f...

Страница 58: ...G VERSION AND COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH Note Dimensions are in millimeters Figure 15 Dimensions CxB Models Source filename MECHANIC I...

Страница 59: ...inserted into the auto docking assembly will have the connector guide pins inserted into the carrier receptacle but the connector pins will not be making contact with the carrier receptacle Moving the...

Страница 60: ...e shown in Figure 17 on page 61 along with mounting location information Refer to the figure for the following notes Note 1 With the side rails mounted within the given tolerances there will be a nomi...

Страница 61: ...SIBLE FOR VERIFYING VERSION AND COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH Figure 17 Side Rail Positioning Source filename MECHANIC IBM Corporation Pa...

Страница 62: ...1 12 2 25 GB 1 0 HIGH 4 2 5 Electrical Connector and Indicator Locations The HPC electrical connectors are located as shown in Figure 15 on page 58 The indicators LEDs are located as shown in Figure 1...

Страница 63: ...ons for CxC models are provided by a single connector mounted on the rear of the drive see Figure 14 on page 56 Connections are provided for two SSA ports fault sensors and indicators option customiza...

Страница 64: ...ector IBM part number 99F9429 Refer to Figure 20 and Table 12 on page 65 for contact assignments Pin SSA PORT SSA PORT OPTION PORT POWER PORT 1 Line Out Line Out MTM 12V Charge long 2 Line Out Line Ou...

Страница 65: ...38V Source B 38V Source B 38V Source B 38V Source B 13 38V Source B 38V Source B 38V Source B 38V Source B 14 n c n c n c n c 15 n c n c n c n c 16 n c n c n c n c 17 Shield Shield Shield Shield 18 Ou...

Страница 66: ...5 V respectively One possible purpose for this pin is to allow a manufacturing tester to redefine the option pins to whatever functions it desires while allowing the shipped product to return to the s...

Страница 67: ...Pin 6 A low active LED output pin on CxC models can be used to drive an external Light Emitting Diode CxB models have an integrated Green LED Refer to the Option Pins section of the Ultrastar XP DFHC...

Страница 68: ...is signal to ground The input must provide a minimum of 6 milliseconds warning before power falls below operating specifications in order for the drive to stop its activities and handle the fault Refe...

Страница 69: ...t supported 5 7 3 Synchronization time It will take 6 seconds to synchronize the Slave drive to the Master drive While the Slave drive is synchro nizing to these characters it is not able to read or w...

Страница 70: ...ween the one operating in Master Sync mode and the furthest drive operating in Slave Sync mode 5 7 5 2 Over Sync Hard wire There will be a single wire that connects all the drives together throught th...

Страница 71: ...iver on the SYNC line It is the using system s responsibility to provide the cable to connect the SYNC line where needed of the synchronized drives Bus Characteristics maximum Bus length 6 meters 2 mi...

Страница 72: ...USER RESPONSIBLE FOR VERIFYING VERSION AND COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH Source filename RELIABLE IBM Corporation Page 72 of 87...

Страница 73: ...ead Recoverable read errors 10 in 1013 bits read measured at nominal DC conditions and room environment with default error recovery QPE Probability of miscorrecting unrecoverable data Note Eighteen by...

Страница 74: ...500 power on hours per month 6 5 Power on off cycles Maximum on off cycles 1080 year 6 6 Useful Life Product Life 5 Years Useful life is the length of time prior to the point at which product degrada...

Страница 75: ...qualification product design verification test and field performance data 6 7 1 Sample Failure Rate Projections The following tables are for reference only The tables contain failure rate projections...

Страница 76: ...e due to electrostatic discharge ESD Proper ESD procedures must be followed during handling installation and removal This includes the use of ESD wrist straps and ESD protective shipping containers 6...

Страница 77: ...age 1000 to 10 000 feet 304 8 to 3048 meters Shipping 1000 to 40 000 feet 304 8 to 12 192 meters Note Guidelines for storage below 1 C are given in IBM Technical Report TR 07 2112 7 1 1 Temperature Me...

Страница 78: ...85 C 167 F 75 c SIC Module 203 F 95 C 176 F 80 C Microprocessor Module 194 F 90 C 167 F 75 C VCM FET 194 F 90 C 167 F 75 C DC DC Converter CxB only 185 F 85 C 167 F 75 C SMP FET 194 F 90 C 167 F 75 C...

Страница 79: ...operating vibration and shock limits in this specification are verified in two mount configurations for CxC models 1 By mounting with the 6 32 bottom holes with the drive on 2 mm clearance as required...

Страница 80: ...uencies above 300 hz 6 Consider the use of plastics or rubber in the rack carrier design Unlike metal these materials can dampen vibration energy from other drives or fans located elsewhere in the rac...

Страница 81: ...from 5 hz to 250 hz the amplitude at 300 hz is 0 5 G peak Linear interpolation is used to deter mine the acceleration levels between 250 hz and 300 hz The test will consist of a sweep from 5 to 300 hz...

Страница 82: ...11 millisecond half sine wave shock greater than 70 Gs applied to all three axis one direction at a time No damage will occur if the un packaged drive is not subjected to a 2 millisecond half sine wa...

Страница 83: ...nation 2 The drive s are tested after a minimum of 20 minutes warm up in idle mode 3 The operating mode is simulated by seeking at a rate between 28 and 32 seeks per second 4 The mean of a sample size...

Страница 84: ...USER RESPONSIBLE FOR VERIFYING VERSION AND COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP DFHC SSA MODELS 1 12 2 25 GB 1 0 HIGH Source filename STANDARD IBM Corporation Page 84 of 87...

Страница 85: ...isted below International Agency for Research on Cancer IARC National Toxicology Program NTP Occupational Safety and Health Administration OSHA American Conference of Governmental Industrial Hygienist...

Страница 86: ...rmit GOP Limits CSPR Requirements Pertaining to the disk drive IBM will provide technical support to assist users in complying with the Comite International Special des Perturbations Radio Electriques...

Страница 87: ...SSA UIG 93 036_rev_01 January 20th 1994 Editor John Scheible 3 Serial Storage Architecture SSA PH Transport Layer UIG95PH 9509_Revision_1 June 19th 1995 Editor Adge Hawes 4 Serial Storage Architecture...

Страница 88: ...DSMBEG323I STARTING PASS 2 OF 2 DSMAFP709E PAGE SEGMENT CADC3 EXCEEDS RIGHT PAGE BOUNDARY ON PA GE 58 DSMAFP709E PAGE SEGMENT CADC2 EXCEEDS RIGHT PAGE BOUNDARY ON PA GE 61...

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