Product Manual
Page 7
... 13 5.1.1 Environmental interference 13 5.1.2 Read errors 13 5.1.3 Write errors 13 5.1.4 Seek errors 13 5.2 Reliability and service 14 5.2.1 Mean time between failure 14 5.2.2 Field failure rate vs time 14 5.2.3 Preventive maintenance 15 5.2.4 Service life 15 5.2.5 Service philosophy 15 5.2.6 Service tools 15 5.2.7 Hot plugging Cheetah 9LP disc drives 15 5.2.8 S.M.A.R.T 16 5.2.9 Product warranty 17 6.0 Physical/electrical specifications 19...
... 13 5.1.1 Environmental interference 13 5.1.2 Read errors 13 5.1.3 Write errors 13 5.1.4 Seek errors 13 5.2 Reliability and service 14 5.2.1 Mean time between failure 14 5.2.2 Field failure rate vs time 14 5.2.3 Preventive maintenance 15 5.2.4 Service life 15 5.2.5 Service philosophy 15 5.2.6 Service tools 15 5.2.7 Hot plugging Cheetah 9LP disc drives 15 5.2.8 S.M.A.R.T 16 5.2.9 Product warranty 17 6.0 Physical/electrical specifications 19...
Product Manual
Page 20
... ability to some commands over the SCSI interface in each is no cable loss. [5] Access time = controller overhead + average seek time. If the Motor Start Option is detected during the start sequence, the drive executes a recovery procedure which data is odd, then n-1 will be used in Mode Page ... bit 0. The Motor Start Command can also be used to command the drive to 4,096 bytes per sector in actual operation the prefetch feature overlaps cache operation somewhat as the power has been applied). 10 Cheetah 9LP Product Manual, Rev. However, in even number of power. C ...
... ability to some commands over the SCSI interface in each is no cable loss. [5] Access time = controller overhead + average seek time. If the Motor Start Option is detected during the start sequence, the drive executes a recovery procedure which data is odd, then n-1 will be used in Mode Page ... bit 0. The Motor Start Command can also be used to command the drive to 4,096 bytes per sector in actual operation the prefetch feature overlaps cache operation somewhat as the power has been applied). 10 Cheetah 9LP Product Manual, Rev. However, in even number of power. C ...
Product Manual
Page 23
... errors must be corrected within the system shall be no more than 1 sector in 108 physical seek operations. Cheetah 9LP Product Manual, Rev. Seek Errors Read Error Rates [1] Recovered Data Unrecovered Data Miscorrected Data MTBF Service Life Preventive Maintenance Less than...seek errors in 1021 bits transferred 1,000,000 hours 5 years None required Note. [1] Error rate specified with automatic retries and data correction with ECC enabled and all interface timings, power supply voltages, environmental requirements and drive mounting constraints (see Section 6.2). • The drive...
... errors must be corrected within the system shall be no more than 1 sector in 108 physical seek operations. Cheetah 9LP Product Manual, Rev. Seek Errors Read Error Rates [1] Recovered Data Unrecovered Data Miscorrected Data MTBF Service Life Preventive Maintenance Less than...seek errors in 1021 bits transferred 1,000,000 hours 5 years None required Note. [1] Error rate specified with automatic retries and data correction with ECC enabled and all interface timings, power supply voltages, environmental requirements and drive mounting constraints (see Section 6.2). • The drive...
Product Manual
Page 24
...year. • Read/seek/write operation 20% of the SCSI Interface Product Manual, part number 77738479, for all drives in Table 3 may be calculated on hours per disc drive times the total number of the drive. Drive failure means any stoppage ... rolling average base for MTBF calculations. A S.M.A.R.T. C unrecoverable seek error. 14 Cheetah 9LP Product Manual, Rev. Unrecoverable seek errors are not exceeded. Each disc drive shall have accumulated at least nine months of six months. Drive utilization will not affect MTBF performance. Month 1 Month 2 ...
...year. • Read/seek/write operation 20% of the SCSI Interface Product Manual, part number 77738479, for all drives in Table 3 may be calculated on hours per disc drive times the total number of the drive. Drive failure means any stoppage ... rolling average base for MTBF calculations. A S.M.A.R.T. C unrecoverable seek error. 14 Cheetah 9LP Product Manual, Rev. Unrecoverable seek errors are not exceeded. Each disc drive shall have accumulated at least nine months of six months. Drive utilization will not affect MTBF performance. Month 1 Month 2 ...
Product Manual
Page 82
.../write head 9 ready 44 receive diagnostic results 30 receiver circuits 60 recommended mounting 25 recoverable seek error 13 reference documents 4 regulation 19 relative humidity 23 reliability 7 reliability and service 14...plane distortion 37 Output characteristics 59 overhead time 10 P package size 24 package test specification 4 packaged 24 parity 35 parity checking 35 parity error 35 partition or logical drive 31 PCB 15, 34, 36 ...of contiguous blocks 12 prefetch operation 10, 12 Cheetah 9LP Product Manual, Rev. C prefetch segmented cache control 10 preventive maintenance 13, 15 printed circuit...
.../write head 9 ready 44 receive diagnostic results 30 receiver circuits 60 recommended mounting 25 recoverable seek error 13 reference documents 4 regulation 19 relative humidity 23 reliability 7 reliability and service 14...plane distortion 37 Output characteristics 59 overhead time 10 P package size 24 package test specification 4 packaged 24 parity 35 parity checking 35 parity error 35 partition or logical drive 31 PCB 15, 34, 36 ...of contiguous blocks 12 prefetch operation 10, 12 Cheetah 9LP Product Manual, Rev. C prefetch segmented cache control 10 preventive maintenance 13, 15 printed circuit...
Product Manual
Page 83
... start motor command 19 start unit command 35 start/stop time 10 status 30 stop spindle 10 stop time 10 storage capacity 29 straight-in connector 52 strict bit in... 60 troubleshooting 65 typical access time 10 U Ultra SCSI 5 Ultra/Ultra2 SCSI controller 7 Ultra2 SCSI 5 Ultra2 SCSI interface 5, 7 unformatted 8 unrecoverable condition 13 unrecoverable error 13 unrecoverable seek error 14 Unrecoverable write error ... 45 SCSI-2/SCSI-3 mode 40 SE 59 Seagate support service 31 sector 11 sector interleave 9 sector size 8 sector sizes 10 seek error 13 seek positioning error 13 segment 10, 11 segment...
... start motor command 19 start unit command 35 start/stop time 10 status 30 stop spindle 10 stop time 10 storage capacity 29 straight-in connector 52 strict bit in... 60 troubleshooting 65 typical access time 10 U Ultra SCSI 5 Ultra/Ultra2 SCSI controller 7 Ultra2 SCSI 5 Ultra2 SCSI interface 5, 7 unformatted 8 unrecoverable condition 13 unrecoverable error 13 unrecoverable seek error 14 Unrecoverable write error ... 45 SCSI-2/SCSI-3 mode 40 SE 59 Seagate support service 31 sector 11 sector interleave 9 sector size 8 sector sizes 10 seek error 13 seek positioning error 13 segment 10, 11 segment...