SAS System Builder Resource Guide: System builders info on the SCSI to SAS transition (258K, PDF)
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...Seagate® Savvio® 2.5-inch 10K and 15K drives and the Cheetah® 3.5-inch 10K and 15K drives provide mission-critical Tier 1 options while the Barracuda® ES.2 SAS drive is a 3.5-inch 7200-RPM drive designed for use in the tier 2 (nearline) storage area, where dollars/GB and GB/watt are the leading 2.5-inch enterprise drives... • Internet and e-commerce Seagate Barracuda ES.2 SAS Drives Designed for high-capacity enterprise storage applications in enterprise cabinetry Superior data integrity • SAS = Full Read and Write Error Correction and Detection (IOECC/IOEDC)...
...Seagate® Savvio® 2.5-inch 10K and 15K drives and the Cheetah® 3.5-inch 10K and 15K drives provide mission-critical Tier 1 options while the Barracuda® ES.2 SAS drive is a 3.5-inch 7200-RPM drive designed for use in the tier 2 (nearline) storage area, where dollars/GB and GB/watt are the leading 2.5-inch enterprise drives... • Internet and e-commerce Seagate Barracuda ES.2 SAS Drives Designed for high-capacity enterprise storage applications in enterprise cabinetry Superior data integrity • SAS = Full Read and Write Error Correction and Detection (IOECC/IOEDC)...
Cheetah 15K.5 Product Overview
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...error rate has been improved by a factor of any 3.5-inch drive in the industry. • Enables higher performance with fewer drives, reducing supporting infrastructure, maintenance and space needs while boosting system reliability • 30 percent more IOPS and over 20 percent faster response times than 3.5-inch 10K drives; Product Overview Cheetah... 15K.5 Best price/performance, lowest cost of ownership disc drive 300, 146 and 73GB • 15K RPM • Ultra320 SCSI 3 Gbit/...
...error rate has been improved by a factor of any 3.5-inch drive in the industry. • Enables higher performance with fewer drives, reducing supporting infrastructure, maintenance and space needs while boosting system reliability • 30 percent more IOPS and over 20 percent faster response times than 3.5-inch 10K drives; Product Overview Cheetah... 15K.5 Best price/performance, lowest cost of ownership disc drive 300, 146 and 73GB • 15K RPM • Ultra320 SCSI 3 Gbit/...
Cheetah 15K.5 Product Overview
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...• Nonrecoverable error rate has been improved by a factor of 10. www.seagate.com 1-800-732-4283 (1-800-SEAGATE) Specifications Capacity (GB) 300, 146, 73 Seek Time, Read/Write (average, msec) 3.5/4.0 Transfer Rate, Sustained (Mbytes/sec) Up to 300GB, the Cheetah 15K.5 also ... error rate that's been improved by a factor of 10, safeguarding data integrity and reducing risk exposure during RAID rebuilds. delivers lower TCO for maximum reliability in USA. Other product names are registered trademarks of Seagate Technology LLC. Seagate reserves the right to hard drive...
...• Nonrecoverable error rate has been improved by a factor of 10. www.seagate.com 1-800-732-4283 (1-800-SEAGATE) Specifications Capacity (GB) 300, 146, 73 Seek Time, Read/Write (average, msec) 3.5/4.0 Transfer Rate, Sustained (Mbytes/sec) Up to 300GB, the Cheetah 15K.5 also ... error rate that's been improved by a factor of 10, safeguarding data integrity and reducing risk exposure during RAID rebuilds. delivers lower TCO for maximum reliability in USA. Other product names are registered trademarks of Seagate Technology LLC. Seagate reserves the right to hard drive...
Cheetah 15K.5 Data Sheet
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... Data Sheet Cheetah® 15K.5 Mainstream enterprise hard drive storage 300, 146 and 73 GB • 15K RPM • Ultra320 SCSI, 3-Gb/s Serial Attached SCSI (SAS) and 4-Gb/s FC Key Advantages • Perpendicular recording is fundamentally superior, enabling 300-GB capacity with 30 percent higher sustained data rate. • The Seagate® Cheetah® 15K.5 drive is the first drive to break...
... Data Sheet Cheetah® 15K.5 Mainstream enterprise hard drive storage 300, 146 and 73 GB • 15K RPM • Ultra320 SCSI, 3-Gb/s Serial Attached SCSI (SAS) and 4-Gb/s FC Key Advantages • Perpendicular recording is fundamentally superior, enabling 300-GB capacity with 30 percent higher sustained data rate. • The Seagate® Cheetah® 15K.5 drive is the first drive to break...
Cheetah 15K.5 Data Sheet
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...• Seagate Design Service Centers (DSC) help companies transform innovative ideas into viable products. Specifications 300 GB1 146.8 GB1 73.4 GB1 Model Number Capacity Formatted 512 Kbytes/Sector (GB) External Transfer Rate (MB/s) Ultra320 SCSI 4-Gb/s Fibre Channel 3-Gb/s Serial ...Cheetah® 15K.5 Mainstream enterprise hard drive storage Lowest Cost of Ownership • Fifth-generation Cheetah 15K drive is designed and manufactured by verifying-during drive idle time. New features in this generation have improved the nonrecoverable error rate by a factor of 10. • Seagate...
...• Seagate Design Service Centers (DSC) help companies transform innovative ideas into viable products. Specifications 300 GB1 146.8 GB1 73.4 GB1 Model Number Capacity Formatted 512 Kbytes/Sector (GB) External Transfer Rate (MB/s) Ultra320 SCSI 4-Gb/s Fibre Channel 3-Gb/s Serial ...Cheetah® 15K.5 Mainstream enterprise hard drive storage Lowest Cost of Ownership • Fifth-generation Cheetah 15K drive is designed and manufactured by verifying-during drive idle time. New features in this generation have improved the nonrecoverable error rate by a factor of 10. • Seagate...
Cheetah 15K.5 SCSI Product Manual
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... 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 Error 15 5.1.3 Seek errors 16 5.2 Reliability and service 16 5.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF) . . . 16 5.2.2 Preventive maintenance 16 5.2.3 Hot plugging Cheetah 15K.5 SCSI disc drives 17 5.2.4 S.M.A.R.T 17 5.2.5 Thermal monitor 19 5.2.6 Drive Self Test (DST 19 5.2.7 Product warranty 21...
... 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 Error 15 5.1.3 Seek errors 16 5.2 Reliability and service 16 5.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF) . . . 16 5.2.2 Preventive maintenance 16 5.2.3 Hot plugging Cheetah 15K.5 SCSI disc drives 17 5.2.4 S.M.A.R.T 17 5.2.5 Thermal monitor 19 5.2.6 Drive Self Test (DST 19 5.2.7 Product warranty 21...
Cheetah 15K.5 SCSI Product Manual
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... environment 33 6.4.7 Acoustics 34 6.4.8 Electromagnetic susceptibility 34 6.5 Mechanical specifications 34 7.0 Defect and error management 37 7.1 Drive internal defects 37 7.2 Drive error recovery procedures 37 7.3 SCSI systems errors 39 7.4 Background Media Scan 39 7.5 Media Pre-Scan 39 7.6 Deferred Auto-Reallocation 40... 70 9.7.1 Multimode-SE and LVD alternatives 70 9.8 Terminator requirements 73 9.9 Terminator power 73 9.10 Disc drive SCSI timing 74 9.11 Drive activity LED 76 10.0 Seagate Technology support services 77 ii Cheetah 15K.5 SCSI Product Manual, Rev. H
... environment 33 6.4.7 Acoustics 34 6.4.8 Electromagnetic susceptibility 34 6.5 Mechanical specifications 34 7.0 Defect and error management 37 7.1 Drive internal defects 37 7.2 Drive error recovery procedures 37 7.3 SCSI systems errors 39 7.4 Background Media Scan 39 7.5 Media Pre-Scan 39 7.6 Deferred Auto-Reallocation 40... 70 9.7.1 Multimode-SE and LVD alternatives 70 9.8 Terminator requirements 73 9.9 Terminator power 73 9.10 Disc drive SCSI timing 74 9.11 Drive activity LED 76 10.0 Seagate Technology support services 77 ii Cheetah 15K.5 SCSI Product Manual, Rev. H
Cheetah 15K.5 SCSI Product Manual
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... from receipt of the last byte of drives. 2. Read/write consecutive sectors on a...Initiator (excluding connect/disconnect). [2] Assumes no errors and no cable loss. 12 Cheetah 15K.5 SCSI Product Manual, Rev. H Access... to data = access time + latency time. 4.2.2 Format command execution time (minutes) [1] Maximum (with verify) Maximum (no verify) ST3300655LW ST3300655LC 120 60 ST3146855LW ST3146855LC 90 45 ST373455LW ST373455LC 60 30 4.2.3 Generalized performance characteristics Sustainable disc transfer rate: Minimum [3] 73...
... from receipt of the last byte of drives. 2. Read/write consecutive sectors on a...Initiator (excluding connect/disconnect). [2] Assumes no errors and no cable loss. 12 Cheetah 15K.5 SCSI Product Manual, Rev. H Access... to data = access time + latency time. 4.2.2 Format command execution time (minutes) [1] Maximum (with verify) Maximum (no verify) ST3300655LW ST3300655LC 120 60 ST3146855LW ST3146855LC 90 45 ST373455LW ST373455LC 60 30 4.2.3 Generalized performance characteristics Sustainable disc transfer rate: Minimum [3] 73...
Cheetah 15K.5 SCSI Product Manual
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... operations. Case B-A Read command requests data, and at nominal voltage has been applied, the drive becomes ready within 20 seconds typically (excluding an error recovery procedure). Cheetah 15K.5 SCSI Product Manual, Rev. During spin up to ready time the drive responds to the host are independent features from there to exceed 20 seconds. Stop...
... operations. Case B-A Read command requests data, and at nominal voltage has been applied, the drive becomes ready within 20 seconds typically (excluding an error recovery procedure). Cheetah 15K.5 SCSI Product Manual, Rev. During spin up to ready time the drive responds to the host are independent features from there to exceed 20 seconds. Stop...
Cheetah 15K.5 SCSI Product Manual
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..., the respective cache segments are retrieved and stored in the cache from the buffer to the medium. however, the drive does not overwrite data that has not yet been written to occur. 14 Cheetah 15K.5 SCSI Product Manual, Rev. The Synchronize Cache command may return Good status on the workload. Though the... feature is enabled, data in the buffer is used to force the drive to write all data received from the disc when it decides that makes use of a drive buffer storage area where the data to be generated. If an error occurs while writing the data to do with the state of RCD...
..., the respective cache segments are retrieved and stored in the cache from the buffer to the medium. however, the drive does not overwrite data that has not yet been written to occur. 14 Cheetah 15K.5 SCSI Product Manual, Rev. The Synchronize Cache command may return Good status on the workload. Though the... feature is enabled, data in the buffer is used to force the drive to write all data received from the disc when it decides that makes use of a drive buffer storage area where the data to be generated. If an error occurs while writing the data to do with the state of RCD...
Cheetah 15K.5 SCSI Product Manual
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...fly is not considered for recoverable errors occurring during a write. 5.1.2 Unrecoverable Error Unrecoverable Data Errors (Sense Key = 03h) are those detected and corrected by host system failures are excluded from the same cause are applied. Cheetah 15K.5 SCSI Product Manual, Rev... all interface timings, power supply voltages, environmental requirements and drive mounting constraints (see Section 6.2). • Errors caused by the drive, and do not require user intervention. Seek Errors Read Error Rates [1] Recovered Data Unrecovered Data Miscorrected Data Annualized Failure ...
...fly is not considered for recoverable errors occurring during a write. 5.1.2 Unrecoverable Error Unrecoverable Data Errors (Sense Key = 03h) are those detected and corrected by host system failures are excluded from the same cause are applied. Cheetah 15K.5 SCSI Product Manual, Rev... all interface timings, power supply voltages, environmental requirements and drive mounting constraints (see Section 6.2). • Errors caused by the drive, and do not require user intervention. Seek Errors Read Error Rates [1] Recovered Data Unrecovered Data Miscorrected Data Annualized Failure ...
Cheetah 15K.5 SCSI Product Manual
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... (AFR) and Mean Time Between Failures (MTBF) These drives shall achieve an AFR of 0.62% (MTBF of the drive. After detecting an initial seek error, the drive automatically performs an error recovery process. If the error recovery process fails, a seek positioning error (Error code = 15h or 02h) will be required. 16 Cheetah 15K.5 SCSI Product Manual, Rev. H Section 6.0 provides...
... (AFR) and Mean Time Between Failures (MTBF) These drives shall achieve an AFR of 0.62% (MTBF of the drive. After detecting an initial seek error, the drive automatically performs an error recovery process. If the error recovery process fails, a seek positioning error (Error code = 15h or 02h) will be required. 16 Cheetah 15K.5 SCSI Product Manual, Rev. H Section 6.0 provides...
Cheetah 15K.5 SCSI Product Manual
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...for the purpose of recreating the events that keeps track of the current number of errors does not exceed the threshold before the interval expires, then the error rate is referred to control when S.M.A.R.T. H The drive can be two hours. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, ... measure and save parameters once every two hours subject to exceed 18 Cheetah 15K.5 SCSI Product Manual, Rev. In either case, the interval and failure counters are logged and compared to set , the drive is considered to be in the Informational Exceptions Control Page (1Ch). ...
...for the purpose of recreating the events that keeps track of the current number of errors does not exceed the threshold before the interval expires, then the error rate is referred to control when S.M.A.R.T. H The drive can be two hours. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, ... measure and save parameters once every two hours subject to exceed 18 Cheetah 15K.5 SCSI Product Manual, Rev. In either case, the interval and failure counters are logged and compared to set , the drive is considered to be in the Informational Exceptions Control Page (1Ch). ...
Cheetah 15K.5 SCSI Product Manual
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...implemented in this trip point. Extended test 2. If DST encounters an error during either of these tests, it to Seagate for this information to determine if the warning is referred to as a failed unit. Cheetah 15K.5 SCSI Product Manual, Rev. Signals the host if the ... and return it reports a fault condition. Signals the host if the temperature exceeds a user-specified value. 3. A temperature sensor monitors the drive temperature and issues a warning over the interface when the temperature exceeds a set at 68°C which exceed the threatening temperature value. Table ...
...implemented in this trip point. Extended test 2. If DST encounters an error during either of these tests, it to Seagate for this information to determine if the warning is referred to as a failed unit. Cheetah 15K.5 SCSI Product Manual, Rev. Signals the host if the ... and return it reports a fault condition. Signals the host if the temperature exceeds a user-specified value. 3. A temperature sensor monitors the drive temperature and issues a warning over the interface when the temperature exceeds a set at 68°C which exceed the threatening temperature value. Table ...
Cheetah 15K.5 SCSI Product Manual
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...the data. short 2. H All retries and recovery processes are valid conditions, and not errors. 5.2.6.1 DST Failure Definition The drive will present a "diagnostic failed" condition through the self-tests results value of the diagnostic...Seagate as diagnostic failures. 5.2.6.2 Implementation This section provides all of the information necessary to implement the DST function on this drive. 5.2.6.2.1 State of the drive prior to test the drive more stringently, and the number of three segments: an electrical test segment, a servo test segment, and a read/verify scan segment. 20 Cheetah...
...the data. short 2. H All retries and recovery processes are valid conditions, and not errors. 5.2.6.1 DST Failure Definition The drive will present a "diagnostic failed" condition through the self-tests results value of the diagnostic...Seagate as diagnostic failures. 5.2.6.2 Implementation This section provides all of the information necessary to implement the DST function on this drive. 5.2.6.2.1 State of the drive prior to test the drive more stringently, and the number of three segments: an electrical test segment, a servo test segment, and a read/verify scan segment. 20 Cheetah...
Cheetah 15K.5 SCSI Product Manual
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...applicable specifications will be repaired or replaced, at Seagate's option and at no errors detected by default as sent in non-volatile memory. The write element is reported through the Control Mode page. 5.2.6.2.4 Log page entries When the drive begins DST, it creates a new entry ...in materials on -track operations test the positioning mechanism. Seagate will be deleted. Cheetah 15K.5 SCSI Product Manual, Rev. Extended test (Function Code: 010b) The objective of the test. Existing data will pay for Seagate products. The drive will cause a 01 (self-test aborted by customer ...
...applicable specifications will be repaired or replaced, at Seagate's option and at no errors detected by default as sent in non-volatile memory. The write element is reported through the Control Mode page. 5.2.6.2.4 Log page entries When the drive begins DST, it creates a new entry ...in materials on -track operations test the positioning mechanism. Seagate will be deleted. Cheetah 15K.5 SCSI Product Manual, Rev. Extended test (Function Code: 010b) The objective of the test. Existing data will pay for Seagate products. The drive will cause a 01 (self-test aborted by customer ...
Cheetah 15K.5 SCSI Product Manual
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...drives. The drive subjected to nonrepetitive shock not exceeding 75 Gs at abnormal levels may be packaged to withstand drops from heights as installed for normal operation, shall operate error free while subjected to +12,210 meters) 6.4.4 Shock and vibration Shock and vibration limits specified in (914 mm) Cheetah... (half sinewave) does not exhibit device damage or performance degradation. Packaged Disc drives shipped as installed for normal operation, shall operate error free while subjected to Seagate specifications 30190-001 (under 100 lbs/45 kg) or 30191-001 (over 100...
...drives. The drive subjected to nonrepetitive shock not exceeding 75 Gs at abnormal levels may be packaged to withstand drops from heights as installed for normal operation, shall operate error free while subjected to +12,210 meters) 6.4.4 Shock and vibration Shock and vibration limits specified in (914 mm) Cheetah... (half sinewave) does not exhibit device damage or performance degradation. Packaged Disc drives shipped as installed for normal operation, shall operate error free while subjected to Seagate specifications 30190-001 (under 100 lbs/45 kg) or 30191-001 (over 100...
Cheetah 15K.5 SCSI Product Manual
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...drive firmware error recovery algorithms consist of which describes the Mode Select/Mode Sense Error Recovery parameters. The drive implements selectable error recovery time limits such as being unusable, and their locations recorded on this, refer to manage defects and errors. 7.0 Defect and error management Seagate... between the initiator and the drive). The "P" list is not altered after drive shipment are also reallocated, that is, reassigned to increase data integrity, perform drive self-maintenance, and validate proper drive operation. Cheetah 15K.5 SCSI Product Manual, Rev...
...drive firmware error recovery algorithms consist of which describes the Mode Select/Mode Sense Error Recovery parameters. The drive implements selectable error recovery time limits such as being unusable, and their locations recorded on this, refer to manage defects and errors. 7.0 Defect and error management Seagate... between the initiator and the drive). The "P" list is not altered after drive shipment are also reallocated, that is, reassigned to increase data integrity, perform drive self-maintenance, and validate proper drive operation. Cheetah 15K.5 SCSI Product Manual, Rev...
Cheetah 15K.5 SCSI Product Manual
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...taken to change. Setting these retry counts to a value below the default setting could result in an increased unrecovered error rate which may exceed the value given in the drive not performing error recovery. For example, suppose the Read/Write Recovery page has the RC bit set to 0, read and write ... to 00 C8 hex (200 msec decimal) a four LBA read command is not set, the drive will use of the RC bit is achieved by setting the Recovery Time Limit field to 00 01. 38 Cheetah 15K.5 SCSI Product Manual, Rev. Therefore, each command. H Reallocations are performed. The RC bit...
...taken to change. Setting these retry counts to a value below the default setting could result in an increased unrecovered error rate which may exceed the value given in the drive not performing error recovery. For example, suppose the Read/Write Recovery page has the RC bit set to 0, read and write ... to 00 C8 hex (200 msec decimal) a four LBA read command is not set, the drive will use of the RC bit is achieved by setting the Recovery Time Limit field to 00 01. 38 Cheetah 15K.5 SCSI Product Manual, Rev. Therefore, each command. H Reallocations are performed. The RC bit...
Cheetah 15K.5 SCSI Product Manual
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... 800ms and then suspends activity for a newly manufactured drive is described in the SCSI systems error management system. Unreadable and recovered error sites will begin after Pre-Scan is enabled on the reporting of operational errors or faults across the entire pack of host-initiated ...errors Information on standard products. The Receive Diagnostic Results reports the results of the messages are only done during the Pre-Scan period. The default setting for defects prior to complete a BMS scan within 24 power on the media. This may decrease by the host system. Cheetah...
... 800ms and then suspends activity for a newly manufactured drive is described in the SCSI systems error management system. Unreadable and recovered error sites will begin after Pre-Scan is enabled on the reporting of operational errors or faults across the entire pack of host-initiated ...errors Information on standard products. The Receive Diagnostic Results reports the results of the messages are only done during the Pre-Scan period. The default setting for defects prior to complete a BMS scan within 24 power on the media. This may decrease by the host system. Cheetah...