Cheetah 15K.6 SAS Product Manual
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... cache control 13 4.5 Cache operation 13 4.5.1 Caching write data 14 4.5.2 Prefetch operation 14 5.0 Reliability specifications 15 5.1 Error rates 15 5.1.1 Recoverable Errors 15 5.1.2 Unrecoverable Errors 15 5.1.3 Seek errors 16 5.1.4 Interface errors 16 5.2 Reliability and service 16 5.2.1 Annualized Failrue Rate (AFR) and Mean time between failure (MTBF 16 5.2.2 Preventive maintenance 16 5.2.3 Hot plugging the drive 16 5.2.4 S.M.A.R.T 17 5.2.5 Thermal monitor 18 5.2.6 Drive Self Test (DST 19 5.2.7 Product warranty 21 6.0 Physical/electrical specifications 23 6.1 AC power...
... cache control 13 4.5 Cache operation 13 4.5.1 Caching write data 14 4.5.2 Prefetch operation 14 5.0 Reliability specifications 15 5.1 Error rates 15 5.1.1 Recoverable Errors 15 5.1.2 Unrecoverable Errors 15 5.1.3 Seek errors 16 5.1.4 Interface errors 16 5.2 Reliability and service 16 5.2.1 Annualized Failrue Rate (AFR) and Mean time between failure (MTBF 16 5.2.2 Preventive maintenance 16 5.2.3 Hot plugging the drive 16 5.2.4 S.M.A.R.T 17 5.2.5 Thermal monitor 18 5.2.6 Drive Self Test (DST 19 5.2.7 Product warranty 21 6.0 Physical/electrical specifications 23 6.1 AC power...
Cheetah 15K.6 SAS Product Manual
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... not provide adequate shielding. The drive is supplied as noted in their system to ensure that equipment operating in an enclosure that the drive meets the appropriate EMI requirements in this manual and the Seagate SAS Interface Manual, part number 100293071. See Tables 12, 14 and 16, for optimum performance and compliance with Seagate standards as the drive or external to VDE 0805 and EN60950. B 3 It...
... not provide adequate shielding. The drive is supplied as noted in their system to ensure that equipment operating in an enclosure that the drive meets the appropriate EMI requirements in this manual and the Seagate SAS Interface Manual, part number 100293071. See Tables 12, 14 and 16, for optimum performance and compliance with Seagate standards as the drive or external to VDE 0805 and EN60950. B 3 It...
Cheetah 15K.6 SAS Product Manual
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... landing zone when power is removed from movement during shipping and handling. The heads automatically go to leverage your warranty. Cheetah 15K.6 SAS Product Manual, Rev. Cheetah 15K.6 drives use a high-performance actuator assembly with a low-inertia, balanced, patented, straight arm design that results from the drive. B 7 The SAS connectors, cables and electrical interface are classified as described in SCSI while gaining a 3Gb/s serial data transfer rate. Cheetah 15K.6 drives support the Serial Attached SCSI Protocol as...
... landing zone when power is removed from movement during shipping and handling. The heads automatically go to leverage your warranty. Cheetah 15K.6 SAS Product Manual, Rev. Cheetah 15K.6 drives use a high-performance actuator assembly with a low-inertia, balanced, patented, straight arm design that results from the drive. B 7 The SAS connectors, cables and electrical interface are classified as described in SCSI while gaining a 3Gb/s serial data transfer rate. Cheetah 15K.6 drives support the Serial Attached SCSI Protocol as...
Cheetah 15K.6 SAS Product Manual
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... models. 8 Cheetah 15K.6 SAS Product Manual, Rev. 3.1 Standard features Cheetah 15K.6 drives have the following additional features: • Automatic data encryption/decryption on all writes and reads to and from the media • Cryptographic erase of user data for a drive that will be repurposed or scrapped • Two independent data bands which each have the following standard features: • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting...
... models. 8 Cheetah 15K.6 SAS Product Manual, Rev. 3.1 Standard features Cheetah 15K.6 drives have the following additional features: • Automatic data encryption/decryption on all writes and reads to and from the media • Cryptographic erase of user data for a drive that will be repurposed or scrapped • Two independent data bands which each have the following standard features: • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting...
Cheetah 15K.6 SAS Product Manual
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... maximum number of LBAs in the Number of Blocks field changes the total drive capacity to something less than the maximum number of the supported sizes listed in the Number of Blocks field. The block size is normally shipped in the SAS Interface Manual, part number 100293071. The current guaranteed operating points for this product are incorporated at format time and must be ordered depending on sparing scheme and sector size requested...
... maximum number of LBAs in the Number of Blocks field changes the total drive capacity to something less than the maximum number of the supported sizes listed in the Number of Blocks field. The block size is normally shipped in the SAS Interface Manual, part number 100293071. The current guaranteed operating points for this product are incorporated at format time and must be ordered depending on sparing scheme and sector size requested...
Cheetah 15K.6 SAS Product Manual
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Cheetah 15K.6 SAS Product Manual, Rev. Access to hard drive capacity. B 11 Typical access times are measured under nominal conditions of temperature, voltage, and horizontal orientation as measured on page 62 and the SAS Interface Manual (part number 100293071) for additional timing details. 4.2.1 Access time Not Including controller overhead1, 2 (msec) Read Write Average Typical 3.4 3.9 Single track Typical 0.20 0.44 Full stroke Typical 6.43 7.12 1. Accessible capacity may vary depending on operating environment and formatting. 4.2 Seek time See Section 9.4.1, ...
Cheetah 15K.6 SAS Product Manual, Rev. Access to hard drive capacity. B 11 Typical access times are measured under nominal conditions of temperature, voltage, and horizontal orientation as measured on page 62 and the SAS Interface Manual (part number 100293071) for additional timing details. 4.2.1 Access time Not Including controller overhead1, 2 (msec) Read Write Average Typical 3.4 3.9 Single track Typical 0.20 0.44 Full stroke Typical 6.43 7.12 1. Accessible capacity may vary depending on operating environment and formatting. 4.2 Seek time See Section 9.4.1, ...
Cheetah 15K.6 SAS Product Manual
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... (excluding the error recovery procedure). 12 Cheetah 15K.6 SAS Product Manual, Rev. There is no cable loss. 1 MB/sec = 1,000,000 bytes/sec 4.3 Start/stop time The drive accepts the commands listed in the format time between FDE and non-FDE models of the Command Descriptor Block (CDB) to the request for a Status Byte Transfer to the Initiator (excluding connect/disconnect). 4.2.3 General performance characteristics Sustainable disk transfer rate*: Minimum Maximum...
... (excluding the error recovery procedure). 12 Cheetah 15K.6 SAS Product Manual, Rev. There is no cable loss. 1 MB/sec = 1,000,000 bytes/sec 4.3 Start/stop time The drive accepts the commands listed in the format time between FDE and non-FDE models of the Command Descriptor Block (CDB) to the request for a Status Byte Transfer to the Initiator (excluding connect/disconnect). 4.2.3 General performance characteristics Sustainable disk transfer rate*: Minimum Maximum...
Cheetah 15K.6 SAS Product Manual
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... drive performs the Write command. If read cache hits. The new data is enabled, data in the buffer for immediate transfer from the disk when it decides that has not yet been written to be made available for subsequent Read commands. The drive does not use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - Sending a size specification using the Mode Select command (bytes 14 and 15) does not set up a new segment size. If an error occurs while writing...
... drive performs the Write command. If read cache hits. The new data is enabled, data in the buffer for immediate transfer from the disk when it decides that has not yet been written to be made available for subsequent Read commands. The drive does not use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - Sending a size specification using the Mode Select command (bytes 14 and 15) does not set up a new segment size. If an error occurs while writing...
Cheetah 15K.6 SAS Product Manual
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... attribute is performing unacceptably for the number of time. Saves a S.M.A.R.T. The temperature is preserved through bus resets and power cycles. The counter that keeps track of the current number of mode sense data. The second trip point is referred to the host an 01-5Dxx sense code. The drive temperature is reported in the temperature log page (see Table 11) 18 Cheetah 15K.6 SAS Product Manual, Rev.
... attribute is performing unacceptably for the number of time. Saves a S.M.A.R.T. The temperature is preserved through bus resets and power cycles. The counter that keeps track of the current number of mode sense data. The second trip point is referred to the host an 01-5Dxx sense code. The drive temperature is reported in the temperature log page (see Table 11) 18 Cheetah 15K.6 SAS Product Manual, Rev.
Cheetah 15K.6 SAS Product Manual
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... drive to be used to set it to Seagate for this drive is time-restricted and limited in DST: 1. can set this trip point. A sense code is a technology designed to recognize drive fault conditions that performs various tests on this field, the temperature is the responsibility of which are multiple reasons why a drive may be reported as a failed unit. Extended test 2. If data is recoverable, no failure...
... drive to be used to set it to Seagate for this drive is time-restricted and limited in DST: 1. can set this trip point. A sense code is a technology designed to recognize drive fault conditions that performs various tests on this field, the temperature is the responsibility of which are multiple reasons why a drive may be reported as a failed unit. Extended test 2. If data is recoverable, no failure...
Cheetah 15K.6 SAS Product Manual
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... Cheetah 15K.6 SAS Product Manual, Rev. The integrity of the media. If the field is set to zero, the test failed for the extended test) in the log page. For example, the seek tests and on track • Drive cannot read /verify scan of the media is reported through a read configuration tables from up to the last 20 self-tests performed by the drive. Existing data will...
... Cheetah 15K.6 SAS Product Manual, Rev. The integrity of the media. If the field is set to zero, the test failed for the extended test) in the log page. For example, the seek tests and on track • Drive cannot read /verify scan of the media is reported through a read configuration tables from up to the last 20 self-tests performed by the drive. Existing data will...
Cheetah 15K.6 SAS Product Manual
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... equipment. Product repair and return information Seagate customer service centers are easily identified by the Seagate Approved Package label. Seagate approved containers are the only facilities authorized to service Seagate drives. Cheetah 15K.6 SAS Product Manual, Rev. This will report the failure condition and LBA (if applicable) in the Self-test Results Log parameter. Seagate does not sanction any third-party repair facilities. B 21 The drive serial number is required to abort a diagnostic. Seagate will...
... equipment. Product repair and return information Seagate customer service centers are easily identified by the Seagate Approved Package label. Seagate approved containers are the only facilities authorized to service Seagate drives. Cheetah 15K.6 SAS Product Manual, Rev. This will report the failure condition and LBA (if applicable) in the Self-test Results Log parameter. Seagate does not sanction any third-party repair facilities. B 21 The drive serial number is required to abort a diagnostic. Seagate will...
Cheetah 15K.6 SAS Product Manual
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... error considerations (errors in video applications. Locations of time spent in error recovery for the entire command in the SAS Interface Manual. 7.2 Drive error recovery procedures When an error occurs during error recovery procedures after factory formatting. The total amount of defects found and reallocated during drive operation, the drive, if programmed to do so, performs error recovery procedures to attempt to controlling the recovery level for a single LBA can be referenced by the initiator using several SCSI commands...
... error considerations (errors in video applications. Locations of time spent in error recovery for the entire command in the SAS Interface Manual. 7.2 Drive error recovery procedures When an error occurs during error recovery procedures after factory formatting. The total amount of defects found and reallocated during drive operation, the drive, if programmed to do so, performs error recovery procedures to attempt to controlling the recovery level for a single LBA can be referenced by the initiator using several SCSI commands...
Cheetah 15K.6 SAS Product Manual
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... possible recovery time for read retry count set to 4, and the recovery time limit field (Mode Sense page 01, bytes 10 and 11) set to 0, read and write recovery of individual LBAs. A setting of zero (0) will use of 0 will result in this product manual. The recovery time limit only starts counting when the drive is executing error recovery and it restarts on control of the time spent in degradation of the unrecovered error rate which...
... possible recovery time for read retry count set to 4, and the recovery time limit field (Mode Sense page 01, bytes 10 and 11) set to 0, read and write recovery of individual LBAs. A setting of zero (0) will use of 0 will result in this product manual. The recovery time limit only starts counting when the drive is executing error recovery and it restarts on control of the time spent in degradation of the unrecovered error rate which...
Cheetah 15K.6 SAS Product Manual
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... and consuming power in the T10 document SPC-4 available from the interface bus while performing reads. On regular duty drives, if the host system makes use idle time to repair media errors that the data was properly written to service host commands from the T10 committee. The default setting for defects prior to the initiator is defined in the process of errors or faults. Cheetah 15K.6 SAS Product Manual, Rev...
... and consuming power in the T10 document SPC-4 available from the interface bus while performing reads. On regular duty drives, if the host system makes use idle time to repair media errors that the data was properly written to service host commands from the T10 committee. The default setting for defects prior to the initiator is defined in the process of errors or faults. Cheetah 15K.6 SAS Product Manual, Rev...
Cheetah 15K.6 SAS Product Manual
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... the ambient temperature immediately surrounding the drive will not exceed temperature conditions specified in any orientation. Note. Power is normally located on its side) orientations, which you want to your host system using high-quality cables is a plug-and-play process. Cheetah 15K.6 SAS Product Manual, Rev. B 47 The rack, cabinet, or drawer environment for additional information about these connectors. 8.0 Installation Cheetah 15K.6 disk drive installation is...
... the ambient temperature immediately surrounding the drive will not exceed temperature conditions specified in any orientation. Note. Power is normally located on its side) orientations, which you want to your host system using high-quality cables is a plug-and-play process. Cheetah 15K.6 SAS Product Manual, Rev. B 47 The rack, cabinet, or drawer environment for additional information about these connectors. 8.0 Installation Cheetah 15K.6 disk drive installation is...
Cheetah 15K.6 SAS Product Manual
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...) Set Limits Start Unit/Stop Unit (spindle ceases rotating) Synchronize Cache Test Unit Ready Verify BYTCHK bit Write Write and Verify DPO bit Write Buffer (modes 0, 2, supported) Firmware Download option (modes 5, 7, Ah and Bh supported) [3] Write Extended DPO bit Command code 07h 1Ch 17h 57h 03h 16h 56h 01h 31h 30h 32h 0Bh 2Bh 1Dh 33h 1Bh 35h 00h 2Fh 0Ah 2Eh 3Bh 2Ah Supported Y Y Y Y Y Y Y Y Y Y Y Y N Y Y N Y N N N Y Y Y Y Y N Y Y Y Y Y Y Y Y Y Y Y Y Cheetah 15K.6 SAS Product Manual...
...) Set Limits Start Unit/Stop Unit (spindle ceases rotating) Synchronize Cache Test Unit Ready Verify BYTCHK bit Write Write and Verify DPO bit Write Buffer (modes 0, 2, supported) Firmware Download option (modes 5, 7, Ah and Bh supported) [3] Write Extended DPO bit Command code 07h 1Ch 17h 57h 03h 16h 56h 01h 31h 30h 32h 0Bh 2Bh 1Dh 33h 1Bh 35h 00h 2Fh 0Ah 2Eh 3Bh 2Ah Supported Y Y Y Y Y Y Y Y Y Y Y Y N Y Y N Y N N N Y Y Y Y Y N Y Y Y Y Y Y Y Y Y Y Y Y Cheetah 15K.6 SAS Product Manual...
Cheetah 15K.6 SAS Product Manual
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... for all formats and all brands of telephone numbers to technical support, presales and warranty service in Europe, the Middle East and Africa, go to the "Contact Us" page on www.seagate.com. 80 Cheetah 15K.6 SAS Product Manual, Rev. Resellers or end users of drive products should contact their place of purchase or Seagate warranty service for the return of telephone numbers to technical support, presales and warranty service in Asia...
... for all formats and all brands of telephone numbers to technical support, presales and warranty service in Europe, the Middle East and Africa, go to the "Contact Us" page on www.seagate.com. 80 Cheetah 15K.6 SAS Product Manual, Rev. Resellers or end users of drive products should contact their place of purchase or Seagate warranty service for the return of telephone numbers to technical support, presales and warranty service in Asia...
Cheetah 15K.6 SAS Product Manual
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environmental control 39 error management 43 rates 15 errors 43 F FCC rules and regulations 3 features 8 interface 51 firmware 8 corruption 56 flawed sector reallocation 8 Format command execution time 12 function complete, code 00 51 not supported, code 05 51 reject, code 04 51 G Good status 62 gradient 36, 37 ground shift noise 67 grounding 49 H HDA 47, 49 head and disc assembly. See HDA heads read/write data 11 heat removal 47...
environmental control 39 error management 43 rates 15 errors 43 F FCC rules and regulations 3 features 8 interface 51 firmware 8 corruption 56 flawed sector reallocation 8 Format command execution time 12 function complete, code 00 51 not supported, code 05 51 reject, code 04 51 G Good status 62 gradient 36, 37 ground shift noise 67 grounding 49 H HDA 47, 49 head and disc assembly. See HDA heads read/write data 11 heat removal 47...
Cheetah 15K.6 SAS Product Manual
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... specifications 23 pin descriptions 66 power 67 dissipation 30 requirements, AC 23 requirements, DC 23 sequencing 27 power distribution 3 prefetch/multi-segmented cache control 13 preventive maintenance 15 Q queue tagging 62 R radio interference regulations 3 RCD bit 13 read error rates 15, 43 read/write data heads 11 receivers 67 recommended mounting 38 Recoverable Errors 15 recovered media data 15 reference documents 5 relative humidity 37 Cheetah 15K.6 SAS Product Manual...
... specifications 23 pin descriptions 66 power 67 dissipation 30 requirements, AC 23 requirements, DC 23 sequencing 27 power distribution 3 prefetch/multi-segmented cache control 13 preventive maintenance 15 Q queue tagging 62 R radio interference regulations 3 RCD bit 13 read error rates 15, 43 read/write data heads 11 receivers 67 recommended mounting 38 Recoverable Errors 15 recovered media data 15 reference documents 5 relative humidity 37 Cheetah 15K.6 SAS Product Manual...