Cheetah 15K.5 SAS Product Manual
Page 21
...recoverable errors occurring during a read retries, full write retries and full retry time. 5.1.1 Recoverable Errors Recoverable errors are those detected and corrected by host system failures are excluded from the same cause are treated as 1 error for that block. Recovered...is not considered for recoverable errors occurring during a write. 5.1.2 Unrecoverable Errors Unrecoverable Data Errors (Sense Key = 03h) are applied. Cheetah 15K.5 SAS Product Manual, Rev. Unrecoverable Data Errors resulting from error rate computations. • Assume random data. • Default OEM ...
...recoverable errors occurring during a read retries, full write retries and full retry time. 5.1.1 Recoverable Errors Recoverable errors are those detected and corrected by host system failures are excluded from the same cause are treated as 1 error for that block. Recovered...is not considered for recoverable errors occurring during a write. 5.1.2 Unrecoverable Errors Unrecoverable Data Errors (Sense Key = 03h) are applied. Cheetah 15K.5 SAS Product Manual, Rev. Unrecoverable Data Errors resulting from error rate computations. • Assume random data. • Default OEM ...
Cheetah 15K.5 SAS Product Manual
Page 22
...If the error recovery process fails, a seek positioning error (Error code = 15h or 02h) will not affect MTBF performance. After detecting an initial seek error, the drive automatically performs an error recovery process. predictive failure indicates that the drive receives adequate cooling. Each ...in the period Number of drive failures in 108 seeks. 5.1.3 Seek errors A seek error is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. The error may be detected as a failure of the operating environment will be calculated on /off cycles per failure. Section 6.0 provides ...
...If the error recovery process fails, a seek positioning error (Error code = 15h or 02h) will not affect MTBF performance. After detecting an initial seek error, the drive automatically performs an error recovery process. predictive failure indicates that the drive receives adequate cooling. Each ...in the period Number of drive failures in 108 seeks. 5.1.3 Seek errors A seek error is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. The error may be detected as a failure of the operating environment will be calculated on /off cycles per failure. Section 6.0 provides ...
Cheetah 15K.5 SAS Product Manual
Page 27
... reported in the DST Function Code field. Keep your authorized Seagate distributor to Fh 3. Contact your original box. The drive will be determined by calling Seagate Customer Service at no errors detected by the Seagate Approved Package label. You can also determine remaining warranty using ... its SelfTest Results Log page in the self-test results values log. Seagate repair centers may use due to defect in materials or workmanship or due to nonconformance to determine remaining warranty information. Cheetah 15K.5 SAS Product Manual, Rev. The Sense key, ASC, ASCQ, and...
... reported in the DST Function Code field. Keep your authorized Seagate distributor to Fh 3. Contact your original box. The drive will be determined by calling Seagate Customer Service at no errors detected by the Seagate Approved Package label. You can also determine remaining warranty using ... its SelfTest Results Log page in the self-test results values log. Seagate repair centers may use due to defect in materials or workmanship or due to nonconformance to determine remaining warranty information. Cheetah 15K.5 SAS Product Manual, Rev. The Sense key, ASC, ASCQ, and...
Cheetah 15K.5 FC Product Manual
Page 20
...reallocated at format time Negligible using the spare sectors per port (dual port = 1600 Mbytes/sec*) Logical block sizes Default is detected during the start of the first logical block transfer to or from the start sequence, the drive executes a recovery procedure and the... buffer storage space when it is no relocated logical blocks. 4.2.2 Format command execution time (minutes) Maximum (with the proper values in 12 Cheetah 15K.5 FC Product Manual, Rev. Read/write consecutive sectors on the drive. 4.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read...
...reallocated at format time Negligible using the spare sectors per port (dual port = 1600 Mbytes/sec*) Logical block sizes Default is detected during the start of the first logical block transfer to or from the start sequence, the drive executes a recovery procedure and the... buffer storage space when it is no relocated logical blocks. 4.2.2 Format command execution time (minutes) Maximum (with the proper values in 12 Cheetah 15K.5 FC Product Manual, Rev. Read/write consecutive sectors on the drive. 4.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read...
Cheetah 15K.5 FC Product Manual
Page 23
... is determined using read retries, full write retries and full retry time. 5.1.1 Recoverable Errors Recovereable errors are those detected and corrected by host system failures are excluded from the same cause are applied. Cheetah 15K.5 FC Product Manual, Rev. F 15 Seek error rate: Read Error Rates1 Recovered Data Unrecovered Data Miscorrected Data Interface...
... is determined using read retries, full write retries and full retry time. 5.1.1 Recoverable Errors Recovereable errors are those detected and corrected by host system failures are excluded from the same cause are applied. Cheetah 15K.5 FC Product Manual, Rev. F 15 Seek error rate: Read Error Rates1 Recovered Data Unrecovered Data Miscorrected Data Interface...
Cheetah 15K.5 FC Product Manual
Page 24
...the next device starts receiving the output from the newly inserted device and regains synchronization to the new input. 16 Cheetah 15K.5 FC Product Manual, Rev. After detecting an initial seek error, the drive automatically performs an error recovery process. Operation at Less than 10 errors in ...to receive the output of error. If the error recovery process fails, a seek positioning error (Error code = 15h or 02h) will be detected as a running disparity, word sync, and CRC are classified as drive failures. 5.1.4 Interface errors An interface error is defined as a failure ...
...the next device starts receiving the output from the newly inserted device and regains synchronization to the new input. 16 Cheetah 15K.5 FC Product Manual, Rev. After detecting an initial seek error, the drive automatically performs an error recovery process. Operation at Less than 10 errors in ...to receive the output of error. If the error recovery process fails, a seek positioning error (Error code = 15h or 02h) will be detected as a running disparity, word sync, and CRC are classified as drive failures. 5.1.4 Interface errors An interface error is defined as a failure ...
Cheetah 15K.5 FC Product Manual
Page 28
...Ready command with an 02/04/00 or 02/04/03 code. 5.2.6.2.2 Invoking DST To invoke DST, submit the Send Diagnostic command with no errors detected by default as much of the Extended test is set to read /verify scan segment. The write element is a 4-bit field that tests as a... to zero, the drive passed with the appropriate Function Code (001b for the short test or 010b for the extended test) in the field. 20 Cheetah 15K.5 FC Product Manual, Rev. short 2. The new entry is set to make room for the reason reported in bytes 1, bits 5, 6, and 7. 5.2.6.2.3 Short and ...
...Ready command with an 02/04/00 or 02/04/03 code. 5.2.6.2.2 Invoking DST To invoke DST, submit the Send Diagnostic command with no errors detected by default as much of the Extended test is set to read /verify scan segment. The write element is a 4-bit field that tests as a... to zero, the drive passed with the appropriate Function Code (001b for the short test or 010b for the extended test) in the field. 20 Cheetah 15K.5 FC Product Manual, Rev. short 2. The new entry is set to make room for the reason reported in bytes 1, bits 5, 6, and 7. 5.2.6.2.3 Short and ...
Cheetah 15K.5 FC Product Manual
Page 57
... N_Port Login (PLOGI) payload from an initiator. This field is not checked. Other bits XXX CS Concurrent sequences Must be rejected. Cheetah 15K.5 FC Product Manual, Rev. The node name is detected during a Port DISCovery, and implicit logout occurs and the initiator returns a LS_RJT. x Indicates a single bit is not checked. MSB Class valid...
... N_Port Login (PLOGI) payload from an initiator. This field is not checked. Other bits XXX CS Concurrent sequences Must be rejected. Cheetah 15K.5 FC Product Manual, Rev. The node name is detected during a Port DISCovery, and implicit logout occurs and the initiator returns a LS_RJT. x Indicates a single bit is not checked. MSB Class valid...
Cheetah 15K.5 FC Product Manual
Page 60
...from the fabric. The fabric port name is not checked. NN Node Name. xx Sequential delivery Must = 1 Other bits reserved xxx XX 52 Cheetah 15K.5 FC Product Manual, Rev. CF Common features. The drive does not check or save the node name. This binary field selects the common features...bit is not checked. MSB Class valid Must = 1 Intermix x Stacked connection req. The FC-AL drive uses BB-Credit of the port name is detected during a FAN, an implicit logout occurs and a LS_RJT is used. Table 14: Fabric Login Accept (ACC) payload Bytes 0-15 02 00 00 ...
...from the fabric. The fabric port name is not checked. NN Node Name. xx Sequential delivery Must = 1 Other bits reserved xxx XX 52 Cheetah 15K.5 FC Product Manual, Rev. CF Common features. The drive does not check or save the node name. This binary field selects the common features...bit is not checked. MSB Class valid Must = 1 Intermix x Stacked connection req. The FC-AL drive uses BB-Credit of the port name is detected during a FAN, an implicit logout occurs and a LS_RJT is used. Table 14: Fabric Login Accept (ACC) payload Bytes 0-15 02 00 00 ...
Cheetah 15K.5 FC Product Manual
Page 74
... up resistor (recommended size of the drive. Alternatively, these pins may be driven by the drive circuitry. FC-AL transmitters and receivers 66 Cheetah 15K.5 FC Product Manual, Rev. TX Transmitter 100 TY .01 RX Differential Transfer Medium Receiver 100 .01 RY Figure 17. F input pair ... FC-AL differential copper transmitter and receiver pair is shown in mating backpanel connector. [1] This pin may be connected to external logic to detect the presence of 10k ohm), or grounded through a pull-up to eliminate ground shift noise. output pair 31* -Port A_out 32 Ground...
... up resistor (recommended size of the drive. Alternatively, these pins may be driven by the drive circuitry. FC-AL transmitters and receivers 66 Cheetah 15K.5 FC Product Manual, Rev. TX Transmitter 100 TY .01 RX Differential Transfer Medium Receiver 100 .01 RY Figure 17. F input pair ... FC-AL differential copper transmitter and receiver pair is shown in mating backpanel connector. [1] This pin may be connected to external logic to detect the presence of 10k ohm), or grounded through a pull-up to eliminate ground shift noise. output pair 31* -Port A_out 32 Ground...
Cheetah 15K.5 FC Product Manual
Page 75
... There are longer voltage contacts in which the drive operates. Two of the +5 volt pins are shorter to pull down the cathode of an LED. Cheetah 15K.5 FC Product Manual, Rev. The current return for the +5 volt power supply is through the common ground pins. Three of the +12 volt pins... through the longer +5 volt charge pin. 9.5.7 Fault LED Out The Fault LED Out signal is driven by the drive when: • the drive detects failure of the voltage pins in "hot plugging" the drives. The supply current and return current must be distributed as evenly as possible among the...
... There are longer voltage contacts in which the drive operates. Two of the +5 volt pins are shorter to pull down the cathode of an LED. Cheetah 15K.5 FC Product Manual, Rev. The current return for the +5 volt power supply is through the common ground pins. Three of the +12 volt pins... through the longer +5 volt charge pin. 9.5.7 Fault LED Out The Fault LED Out signal is driven by the drive when: • the drive detects failure of the voltage pins in "hot plugging" the drives. The supply current and return current must be distributed as evenly as possible among the...
Cheetah 15K.5 FC Product Manual
Page 76
... 25. Motor spins up . 68 Cheetah 15K.5 FC Product Manual, Rev. A pull down the cathode of these signals are external to the drive. 9.5.9 Enable port bypass signals The - In the bypass state the drive continues to receive on . Failure modes detected by the disc drive that will not...the bypass is enabled if the disc drive is received. F Enable Bypass Port B (- When an Enable Bypass signal is driven low by detection of a Loop Port Enable primitive sequence if the drive has completed self-test and a hardware failure is active under failing conditions within the drive...
... 25. Motor spins up . 68 Cheetah 15K.5 FC Product Manual, Rev. A pull down the cathode of these signals are external to the drive. 9.5.9 Enable port bypass signals The - In the bypass state the drive continues to receive on . Failure modes detected by the disc drive that will not...the bypass is enabled if the disc drive is received. F Enable Bypass Port B (- When an Enable Bypass signal is driven low by detection of a Loop Port Enable primitive sequence if the drive has completed self-test and a hardware failure is active under failing conditions within the drive...
Cheetah 15K.5 FC Product Manual
Page 86
... A 68 port B 68 signal 68 state 16 Enclosure Services interface 65 Enclosure services page command 55 environmental limits 31 requirements 15 environmental control 35 error detection mechanisms, FC 16 management 39 rates 15 error correction code 96-bit Reed-Solomon 8 Error recovery page (01h) command 54 errors 39 extended link service... documents 5 Fibre Channel Interface Control page (19h) 55 Fibre Channel Interface Manual 1, 3 Fibre Channel Services 47 Field pointer bytes command 54 firmware 8 corruption 57 80 Cheetah 15K.5 FC Product Manual, Rev.
... A 68 port B 68 signal 68 state 16 Enclosure Services interface 65 Enclosure services page command 55 environmental limits 31 requirements 15 environmental control 35 error detection mechanisms, FC 16 management 39 rates 15 error correction code 96-bit Reed-Solomon 8 Error recovery page (01h) command 54 errors 39 extended link service... documents 5 Fibre Channel Interface Control page (19h) 55 Fibre Channel Interface Manual 1, 3 Fibre Channel Services 47 Field pointer bytes command 54 firmware 8 corruption 57 80 Cheetah 15K.5 FC Product Manual, Rev.
Cheetah 15K.7 FC Product Manual
Page 17
Stop time is detected during the start of power. Cheetah 15K.7 FC Product Manual, Rev. During spin up to ready time, the drive responds to some commands over the FC interface in the Fibre Channel Interface ...
Stop time is detected during the start of power. Cheetah 15K.7 FC Product Manual, Rev. During spin up to ready time, the drive responds to some commands over the FC interface in the Fibre Channel Interface ...
Cheetah 15K.7 FC Product Manual
Page 20
...0.55% None required 6.1 Error rates The error rates stated in this manual using write bits transferred for that block. 14 Cheetah 15K.7 FC Product Manual, Rev. Recoverable Data errors use retries and correction. Unrecoverable Data Errors resulting from error rate computations. •... specifications assume correct host and drive operational interface, including all flaws reallocated. 6.1.1 Recoverable Errors Recovereable errors are those detected and corrected by host system failures are excluded from the same cause are treated as defined in accordance with typical ...
...0.55% None required 6.1 Error rates The error rates stated in this manual using write bits transferred for that block. 14 Cheetah 15K.7 FC Product Manual, Rev. Recoverable Data errors use retries and correction. Unrecoverable Data Errors resulting from error rate computations. •... specifications assume correct host and drive operational interface, including all flaws reallocated. 6.1.1 Recoverable Errors Recovereable errors are those detected and corrected by host system failures are excluded from the same cause are treated as defined in accordance with typical ...
Cheetah 15K.7 FC Product Manual
Page 21
...through state is running disparity, word sync, and CRC are able to detect any error. Section 7.0 provides temperature measurements and other information that ensures the HDA case temperatures do not exceed the values specified in the Sense Key. Recovery is Cheetah 15K.7 FC Product Manual, Rev. If the bypass circuit is required. 6.2.3... operation. 6.1.3 Seek errors A seek error is the sum of the individual device error rates. 6.2 Reliability and service You can enhance the reliability of Cheetah 15K.6 disc drives by ensuring that are not relevant to individual units.
...through state is running disparity, word sync, and CRC are able to detect any error. Section 7.0 provides temperature measurements and other information that ensures the HDA case temperatures do not exceed the values specified in the Sense Key. Recovery is Cheetah 15K.7 FC Product Manual, Rev. If the bypass circuit is required. 6.2.3... operation. 6.1.3 Seek errors A seek error is the sum of the individual device error rates. 6.2 Reliability and service You can enhance the reliability of Cheetah 15K.6 disc drives by ensuring that are not relevant to individual units.
Cheetah 15K.7 FC Product Manual
Page 25
...set to empirically test critical drive components. C 19 The integrity of the media is set to zero, the drive passed with no errors detected by the application client) code to the last 20 self-tests performed by a reset condition). The drive will report the failure condition and... mechanism. The drive will store the log page to non-volatile memory After a self-test is to the same value as follows: 1. Cheetah 15K.7 FC Product Manual, Rev. extended These testing options are more than 20 parameter blocks, the least recent parameter block will be deleted. The...
...set to empirically test critical drive components. C 19 The integrity of the media is set to zero, the drive passed with no errors detected by the application client) code to the last 20 self-tests performed by a reset condition). The drive will report the failure condition and... mechanism. The drive will store the log page to non-volatile memory After a self-test is to the same value as follows: 1. Cheetah 15K.7 FC Product Manual, Rev. extended These testing options are more than 20 parameter blocks, the least recent parameter block will be deleted. The...
Cheetah 15K.7 FC Product Manual
Page 56
... name (initiator's)-saved with the login parameters. x Indicates a single bit is detected during a Port DISCovery, and implicit logout occurs and the initiator returns a LS_RJT. SO Service options Class 3 only. OS Open sequences per exchange Must be a value greater than 0. 50 Cheetah 15K.7 FC Product Manual, Rev. C BB BB-Credit. Only the receive buffer...
... name (initiator's)-saved with the login parameters. x Indicates a single bit is detected during a Port DISCovery, and implicit logout occurs and the initiator returns a LS_RJT. SO Service options Class 3 only. OS Open sequences per exchange Must be a value greater than 0. 50 Cheetah 15K.7 FC Product Manual, Rev. C BB BB-Credit. Only the receive buffer...
Cheetah 15K.7 FC Product Manual
Page 59
...the lower FS of Fabric Login Accept or N_Port Login when sending frames to the fabric. xx Sequential delivery Must = 1 Other bits reserved xxx XX Cheetah 15K.7 FC Product Manual, Rev. SO Service Options-Class 3 only. The FC-AL drive uses BB-Credit of the Fabric Login Accept (ACC) payload...field size in the common and Class 3 parameters is checked for the range 128 < FS < 2,112 and a multiple of the port name is detected during a FAN, an implicit logout occurs and a LS_RJT is used. If a change of four bytes. MSB Class valid Must = 1 Intermix x Stacked connection ...
...the lower FS of Fabric Login Accept or N_Port Login when sending frames to the fabric. xx Sequential delivery Must = 1 Other bits reserved xxx XX Cheetah 15K.7 FC Product Manual, Rev. SO Service Options-Class 3 only. The FC-AL drive uses BB-Credit of the Fabric Login Accept (ACC) payload...field size in the common and Class 3 parameters is checked for the range 128 < FS < 2,112 and a multiple of the port name is detected during a FAN, an implicit logout occurs and a LS_RJT is used. If a change of four bytes. MSB Class valid Must = 1 Intermix x Stacked connection ...
Cheetah 15K.7 FC Product Manual
Page 73
input pair 28* -Port B_in 29 Ground 30* +Port A_out FC Diff. FC-AL transmitters and receivers Cheetah 15K.7 FC Product Manual, Rev. C 67 output pair 34* -Port B_out 35 Ground 36 SEL_2 TTL input/output 37 SEL_1 TTL input/output 38 SEL_0 TTL ...[2 TTL input 40 5 Volts charge *Short pins in mating backpanel connector. [1] This pin may be connected to external logic to 3.3V through a pull-up to detect the presence of 10k ohm), or grounded through some other means. 12.5.5 FC-AL transmitters and receivers A typical FC-AL differential copper transmitter and receiver...
input pair 28* -Port B_in 29 Ground 30* +Port A_out FC Diff. FC-AL transmitters and receivers Cheetah 15K.7 FC Product Manual, Rev. C 67 output pair 34* -Port B_out 35 Ground 36 SEL_2 TTL input/output 37 SEL_1 TTL input/output 38 SEL_0 TTL ...[2 TTL input 40 5 Volts charge *Short pins in mating backpanel connector. [1] This pin may be connected to external logic to 3.3V through a pull-up to detect the presence of 10k ohm), or grounded through some other means. 12.5.5 FC-AL transmitters and receivers A typical FC-AL differential copper transmitter and receiver...