Cheetah 15K.4 FC Product Manual
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... capacity it is currently formatted to allow cable connections for two FC ports and DC power. • Single-unit shipping pack. 10 Cheetah 15K.4 FC Product Manual, Rev. The drive is normally shipped in the field. • Evaluation kit, part number 73473641. A number in the number ... before shipping. A value greater than the maximum number of LBAs changes the total drive capacity to the value in the block descriptor number of LBAs is usually included with the Cheetah 15K.4 FC Installation Guide (part number 100220460) and the Safety and Regulatory Agency Specifications,...
... capacity it is currently formatted to allow cable connections for two FC ports and DC power. • Single-unit shipping pack. 10 Cheetah 15K.4 FC Product Manual, Rev. The drive is normally shipped in the field. • Evaluation kit, part number 73473641. A number in the number ... before shipping. A value greater than the maximum number of LBAs changes the total drive capacity to the value in the block descriptor number of LBAs is usually included with the Cheetah 15K.4 FC Installation Guide (part number 100220460) and the Safety and Regulatory Agency Specifications,...
Cheetah 15K.4 FC Product Manual
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...cache to respond quickly to repetitive accesses of multiple small segments of data without taking the time to "look ahead" to the Unit Attention Parameters page (00h) of sequential data is maintained at the value defined in Mode Page 8, Byte 13, at all times... cache performance for desktop and server applications Desktop and server applications require different drive caching operations for optimal performance. Cheetah 15K.4 FC Product Manual, Rev. The Performance Mode (PM) bit controls the way the drive switches the cache buffer into different modes of sequential data in the Fibre ...
...cache to respond quickly to repetitive accesses of multiple small segments of data without taking the time to "look ahead" to the Unit Attention Parameters page (00h) of sequential data is maintained at the value defined in Mode Page 8, Byte 13, at all times... cache performance for desktop and server applications Desktop and server applications require different drive caching operations for optimal performance. Cheetah 15K.4 FC Product Manual, Rev. The Performance Mode (PM) bit controls the way the drive switches the cache buffer into different modes of sequential data in the Fibre ...
Cheetah 15K.4 FC Product Manual
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... Use the DEXCPT bit to control when S.M.A.R.T. When enabled, S.M.A.R.T. Forcing S.M.A.R.T. This allows you to minimize "false" and "failed" predictions. Cheetah 15K.4 FC Product Manual, Rev. functions. To accomplish this, issue a Log Sense command to the Enable Bypass state. Forcing S.M.A.R.T. C 19 ... and regains synchronization to inserting it is controlled by using the Rezero Unit command. The drive's firmware monitors specific attributes for degradation over time but can interrogate the drive through state, when it into the system. When the PERF bit ...
... Use the DEXCPT bit to control when S.M.A.R.T. When enabled, S.M.A.R.T. Forcing S.M.A.R.T. This allows you to minimize "false" and "failed" predictions. Cheetah 15K.4 FC Product Manual, Rev. functions. To accomplish this, issue a Log Sense command to the Enable Bypass state. Forcing S.M.A.R.T. C 19 ... and regains synchronization to inserting it is controlled by using the Rezero Unit command. The drive's firmware monitors specific attributes for degradation over time but can interrogate the drive through state, when it into the system. When the PERF bit ...
Cheetah 15K.4 FC Product Manual
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...Recovered errors will not be reported as a failed unit. Cheetah 15K.4 FC Product Manual, Rev. The reference temperature parameter in the temperature log page (see Table 1) can be reported regardless of the number of retries required to test the drive more stringently, and the number of retries are...when the temperature exceeds the specified limit in length-it reports a fault condition. Extended test 2. The short test is a technology designed to Seagate for this field, the temperature is sent to the host to 65°C. Table 1: Temperature Log Page (0Dh) Parameter Code 0000h 0001h...
...Recovered errors will not be reported as a failed unit. Cheetah 15K.4 FC Product Manual, Rev. The reference temperature parameter in the temperature log page (see Table 1) can be reported regardless of the number of retries required to test the drive more stringently, and the number of retries are...when the temperature exceeds the specified limit in length-it reports a fault condition. Extended test 2. The short test is a technology designed to Seagate for this field, the temperature is sent to the host to 65°C. Table 1: Temperature Log Page (0Dh) Parameter Code 0000h 0001h...
Cheetah 15K.4 FC Product Manual
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short 2. The write element is tested through the Control Mode page. 22 Cheetah 15K.4 FC Product Manual, Rev. The anticipated length of these conditions, the drive responds to a Test Unit Ready command with an 02/04/00 or 02/04/03 code. 5.2.6.2.2 Invoking DST To invoke DST, submit the ...report a fault condition. While not technically part of DST, a Not Ready condition also qualifies the drive to be returned to Seagate as a part of the Extended test is tested by the drive under the following two subsections. For example, the seek tests and on-track operations test the ...
short 2. The write element is tested through the Control Mode page. 22 Cheetah 15K.4 FC Product Manual, Rev. The anticipated length of these conditions, the drive responds to a Test Unit Ready command with an 02/04/00 or 02/04/03 code. 5.2.6.2.2 Invoking DST To invoke DST, submit the ...report a fault condition. While not technically part of DST, a Not Ready condition also qualifies the drive to be returned to Seagate as a part of the Extended test is tested by the drive under the following two subsections. For example, the seek tests and on-track operations test the ...
Cheetah 15K.4 FC Product Manual
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General DC power requirement notes. 1. Minimum current loading for individual drive power requirements should employ separate ground returns. 3. Where multiple units are powered on simultaneously, the peak starting current must be noted. Maximum allowed noise values given below are ...Decreasing +12 volt supply by 5% increases 12 volt current by 2.5%. C 314 I/Os per second for maximum current requirements. 26 Cheetah 15K.4 FC Product Manual, Rev. Current and power specified at the drive power connector. +5 V = +12 V = 250 mV pp from 0 to 100 kHz to 20 MHz. 800 mV pp...
General DC power requirement notes. 1. Minimum current loading for individual drive power requirements should employ separate ground returns. 3. Where multiple units are powered on simultaneously, the peak starting current must be noted. Maximum allowed noise values given below are ...Decreasing +12 volt supply by 5% increases 12 volt current by 2.5%. C 314 I/Os per second for maximum current requirements. 26 Cheetah 15K.4 FC Product Manual, Rev. Current and power specified at the drive power connector. +5 V = +12 V = 250 mV pp from 0 to 100 kHz to 20 MHz. 800 mV pp...
Cheetah 15K.4 FC Product Manual
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... may be required to keep temperatures at or below the temperatures specified in Section 6.4.1. You should confirm that the drive operates within the temperature measurement guidelines described in Section 6.4.1. Air flow Above unit Under unit Cheetah 15K.4 FC Product Manual, Rev. 8.2.1 J6 connector requirements Recommended mating connector part number: Berg receptacle, 6-position, Berg part number...
... may be required to keep temperatures at or below the temperatures specified in Section 6.4.1. You should confirm that the drive operates within the temperature measurement guidelines described in Section 6.4.1. Air flow Above unit Under unit Cheetah 15K.4 FC Product Manual, Rev. 8.2.1 J6 connector requirements Recommended mating connector part number: Berg receptacle, 6-position, Berg part number...
Cheetah 15K.4 FC Product Manual
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... of mounting the drive in the host equipment. The following equation and paragraph define the allowable mounting surface stiffness: K x X = F < 15lb = 67N where K is the mounting surface stiffness (units in lb/in or N/mm) and X is the system designer's and integrator's responsibility. 46 Cheetah 15K.4 FC Product Manual... to the HDA and PCBA with Seagate Technology that it can meet the shock and vibration specifications listed in such an adapter frame. Before mounting the drive in any kind of mounting the drive so that the drive can meet the shock and vibration specifications...
... of mounting the drive in the host equipment. The following equation and paragraph define the allowable mounting surface stiffness: K x X = F < 15lb = 67N where K is the mounting surface stiffness (units in lb/in or N/mm) and X is the system designer's and integrator's responsibility. 46 Cheetah 15K.4 FC Product Manual... to the HDA and PCBA with Seagate Technology that it can meet the shock and vibration specifications listed in such an adapter frame. Before mounting the drive in any kind of mounting the drive so that the drive can meet the shock and vibration specifications...
Cheetah 15K.4 FC Product Manual
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... Y Extended sense Y Field pointer bytes Y Actual retry count bytes Y Format unit [1] Y Reassign blocks Y Read Y Write Y Seek Y Inquiry Y Vital product data page (00h) Y Unit serial number page (80h) Y Implemented operating def. C 9.3 SCSI commands supported Table 14 lists the SCSI commands supported by Cheetah 15K.4 FC drives. page (81h) Y Device Identification page (83h) Y Firmware numbers page (C0h...
... Y Extended sense Y Field pointer bytes Y Actual retry count bytes Y Format unit [1] Y Reassign blocks Y Read Y Write Y Seek Y Inquiry Y Vital product data page (00h) Y Unit serial number page (80h) Y Implemented operating def. C 9.3 SCSI commands supported Table 14 lists the SCSI commands supported by Cheetah 15K.4 FC drives. page (81h) Y Device Identification page (83h) Y Firmware numbers page (C0h...
Cheetah 15K.4 FC Product Manual
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... Fibre Channel Interface Control page (19h) Y Power control page (1Ah) Y Information exceptions control page (1Ch) Y Start unit/stop unit Y Receive diagnostic results Y Supported diagnostics pages Y Translate page Y Enclosure services page Y Send diagnostics page Y Supported diagnostics pages... Y Translate page Y Read capacity Y Read extended Y Disable page out Y Force unit access N Relative address Y Write extended Y Disable page out Y Force unit access N Relative address Y Seek extended Y Write and verify Y Disable page out Y Byte...
... Fibre Channel Interface Control page (19h) Y Power control page (1Ah) Y Information exceptions control page (1Ch) Y Start unit/stop unit Y Receive diagnostic results Y Supported diagnostics pages Y Translate page Y Enclosure services page Y Send diagnostics page Y Supported diagnostics pages... Y Translate page Y Read capacity Y Read extended Y Disable page out Y Force unit access N Relative address Y Write extended Y Disable page out Y Force unit access N Relative address Y Seek extended Y Write and verify Y Disable page out Y Byte...
Cheetah 15K.4 FC Product Manual
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... to 5:00 P.M. (Central Europe time) Monday through Friday. Seagate Service Centers Toll-free support numbers Call center Austria Belgium Denmark France Germany Ireland Italy Netherlands Norway Poland Spain Sweden Switzerland Turkey United Kingdom Presales and Technical Support - 00 800-47324283 (00 800... East, dial our presales and technical support call center is located in Europe, dial the Seagate Service Center toll-free number for your specific location. and 1:00 P.M. Cheetah 15K.4 FC Product Manual, Rev. and 1:00 P.M. European support services For presales and technical...
... to 5:00 P.M. (Central Europe time) Monday through Friday. Seagate Service Centers Toll-free support numbers Call center Austria Belgium Denmark France Germany Ireland Italy Netherlands Norway Poland Spain Sweden Switzerland Turkey United Kingdom Presales and Technical Support - 00 800-47324283 (00 800... East, dial our presales and technical support call center is located in Europe, dial the Seagate Service Center toll-free number for your specific location. and 1:00 P.M. Cheetah 15K.4 FC Product Manual, Rev. and 1:00 P.M. European support services For presales and technical...
Cheetah 15K.4 FC Product Manual
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...FLOGI received on Port A 51 received on Port B 51 Force unit access command 55 form factor 8 format 43 Format command execution time 12 Format page (03h) command 54 Format unit command 54 front panel 38 FS 49, 50, 52 function complete... gradient 33 ground shift noise 67 grounding 46 H hard assigned arbitrated loop physical address (AL_PA) 43 HDA 46 heads read/write data 11 heat removal 45 host equipment 46 hot plugging the drive 19 humidity 33 humidity limits 32 I IC 49 ... contingent allegiance 63 Deferred error handling 63 FC-AL selective reset 63 Cheetah 15K.4 FC Product Manual, Rev.
...FLOGI received on Port A 51 received on Port B 51 Force unit access command 55 form factor 8 format 43 Format command execution time 12 Format page (03h) command 54 Format unit command 54 front panel 38 FS 49, 50, 52 function complete... gradient 33 ground shift noise 67 grounding 46 H hard assigned arbitrated loop physical address (AL_PA) 43 HDA 46 heads read/write data 11 heat removal 45 host equipment 46 hot plugging the drive 19 humidity 33 humidity limits 32 I IC 49 ... contingent allegiance 63 Deferred error handling 63 FC-AL selective reset 63 Cheetah 15K.4 FC Product Manual, Rev.
Cheetah 15K.4 FC Product Manual
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...(PRLI) 47, 50 Process Login Accept (ACC) payload 51 process login payload data 50 Process Logout (PRLO) 47 programmable drive capacity 9 public loop FC-AL options 53 pull down resistor 68 Q queue tagging 63 R radio interference regulations 3 Random... conflict status 63 Reserve command 54 Reserved (10) command 57 resonance 33 return information 24 Rezero unit command 54 Rigid disc drive geometry page command 54 rotation speed 11 running disparity 19 S safety 3 SCA part numbers 65 ...49 Set limits command 56 shielding 3 shipping 23 shipping container 33 Cheetah 15K.4 FC Product Manual, Rev. C 85
...(PRLI) 47, 50 Process Login Accept (ACC) payload 51 process login payload data 50 Process Logout (PRLO) 47 programmable drive capacity 9 public loop FC-AL options 53 pull down resistor 68 Q queue tagging 63 R radio interference regulations 3 Random... conflict status 63 Reserve command 54 Reserved (10) command 57 resonance 33 return information 24 Rezero unit command 54 Rigid disc drive geometry page command 54 rotation speed 11 running disparity 19 S safety 3 SCA part numbers 65 ...49 Set limits command 56 shielding 3 shipping 23 shipping container 33 Cheetah 15K.4 FC Product Manual, Rev. C 85
Cheetah 15K.4 FC Product Manual
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...in Mode Select command 63 SO 49, 52 spindle brake 8 Stacked connection req. 49, 52 standards 3 Start unit/stop unit command 55 start/stop time 12 support services 75 Supported diagnostics pages command 55 surface stiffness allowable for non-flat...55 transmit eye diagram 72 transmitters 67 transporting the drive 23 TTL input characteristics 71 86 U UI 50, 51 unformatted 9 unique identifier 50, 51 Unit attention page (00h) command 54 Unit serial number page command 54 Unrecoverable Errors 17 ... XP write 57 Z zero latency read 63 zone bit recording (ZBR) 8 Cheetah 15K.4 FC Product Manual, Rev.
...in Mode Select command 63 SO 49, 52 spindle brake 8 Stacked connection req. 49, 52 standards 3 Start unit/stop unit command 55 start/stop time 12 support services 75 Supported diagnostics pages command 55 surface stiffness allowable for non-flat...55 transmit eye diagram 72 transmitters 67 transporting the drive 23 TTL input characteristics 71 86 U UI 50, 51 unformatted 9 unique identifier 50, 51 Unit attention page (00h) command 54 Unit serial number page command 54 Unrecoverable Errors 17 ... XP write 57 Z zero latency read 63 zone bit recording (ZBR) 8 Cheetah 15K.4 FC Product Manual, Rev.