Seagate ST3146807FC Read retry Maximum recovery time per Write retry, Count1 LBA cumulative, msec

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32	Cheetah 10K.6 FC Product Manual, Rev. B

When the RC bit is one, reallocations are disabled even if the ARRE or AWRE bits are one. The drive will still perform data recovery actions within the limits defined by the Read Retry Count, Write Retry Count, and Recovery Time Limit parameters. However, the drive does not report any unrecovered errors.

Table 2: Read and write retry count maximum recovery times

Read retry	Maximum recovery time per	Write retry	Maximum recovery time per
count1	LBA (cumulative, msec)	count1	LBA (cumulative, msec)
0	77.7	0	35.9
1	89.7	1	53.8
2	305.0	2	59.8
3	328.9	3	113.7
4	370.8	4	227.4
5	418.6	5 (default)	269.2
6	532.3
7	544.3
8	568.2
9	622.0
10	682.5
11 (default)	1,377.5

[1]Setting these retry counts to a value below the default setting could result in degradation of the unrecov- ered error rate. For example, suppose the read/write recovery page has the RC bit = 0, the read retry count set to 4, and the recovery time limit set to 450. A 4-block read command can take up to 370.8 msec recovery time for each block and a maximum of 450 msec recovery for all four blocks. If either of these lim- its is reached and a block has not yet been recovered, the command will end with Check Condition status and an unrecoverable read error will be reported.

7.3FC-AL system errors

Information on the reporting of operational errors or faults across the interface is given in the Fibre Channel Interface Manual. The FCP Response returns information to the host about numerous kinds of errors or faults. The Receive Diagnostic Results reports the results of diagnostic operations performed by the drive.

Status returned by the drive to the initiator is described in the Fibre Channel Interface Manual. Status reporting plays a role in systems error management and its use in that respect is described in sections where the various commands are discussed.

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Contents Page Page Page Page Revision status summary sheet Revision Date Writer/Engineer Sheets AffectedPage Contents Seagate Technology support services Defect and error managementInstallation Interface requirementsList of Figures Cheetah 10K.6 FC Product Manual, Rev. B ViiPage Scope Cheetah 10K.6 FC family disc driveCheetah 10K.6 FC Product Manual, Rev. B Applicable standards and reference documentation Taiwanese Bsmi Australian C-TickKorean MIC Reference documentsGeneral description Cheetah 10K.6 FC disc drivePerformance Standard featuresMedia description ReliabilityUser-installed accessories Factory-installed accessoriesFactory-installed options Unformatted and formatted capacitiesCheetah 10K.6 FC Product Manual, Rev. B Seek performance characteristics Access time Performance characteristicsInternal drive characteristics Format command execution time in minutesPrefetch/multi-segmented cache control General performance characteristicsStart/stop time Cache operationCaching write data Prefetch operation Reliability specifications Service life Reliability and servicePreventive maintenance Service philosophy7 S.M.A.R.T Controlling S.M.A.R.TPerformance impact Determining rate MillisecondsReporting control Predictive failuresInvoking DST State of the drive prior to testingImplementation Short and extended testsAbort Product warrantyLog page entries ShippingDC power requirements Physical/electrical specificationsAC power requirements General DC power requirement notesCurrent profiles Power sequencingConducted noise immunity +5V +12VTypical ST373307FC drive +12V current profile Typical ST3146807FC drive +5V current profile Typical ST373307FC drive +5V current profile Power dissipation ST3146807FC ST373307FCTemperature Cheetah 10K.6 FC Product Manual, Rev. B ST336607FCShock and vibration Relative humidityEffective altitude sea level ShockPackage size Packaged/product weight Drop height Recommended mounting Air cleanliness Cheetah 10K.6 FC Product Manual, Rev. B Vibration Acoustics Mechanical specifications Mounting configuration dimensionsDefect and error management Drive internal defects/errorsDrive error recovery procedures Read and write retry count maximum recovery times Read retry Maximum recovery time per Write retryFC-AL system errors Maximum recovery time perInstallation Drive ID/option selectionLED connections Drive orientation 1 J6 connector requirementsDrive Front CoolingDrive mounting Air flowGrounding Interface requirements FC-AL featuresFibre Channel link service frames Fibre Channel task management functionsFibre Channel port login NPort login Plogi payload BytesNPort Login Accept ACC payload Bytes Fibre Channel Process LoginFibre Channel Process Login Accept Process Login Plri payloadFibre Channel fabric login Fabric Login Flogi payload BytesFabric Login Accept ACC payload Bytes Accept or NPort Login when sending frames to an initiatorFC-AL options supported Fibre Channel Arbitrated Loop optionsDual port support Option SupportedSupported commands Command code Command name Supported commands Command code Supported Command nameRead descriptor mode Cheetah 10K.6 FC Product Manual, Rev. B Cheetah 10K.6 FC inquiry data Mode Sense dataCheetah 10K.6 FC Product Manual, Rev. B Inquiry data Bytes Data hexCheetah 10K.6 FC Product Manual, Rev. B DEF DEF CHG Cheetah 10K.6 FC Product Manual, Rev. B Supported Feature or condition Miscellaneous operating features and conditionsMiscellaneous features Miscellaneous statusPhysical characteristics Physical descriptionConnector requirements Part description Positions Part number FeaturesPin Signal name Signal type Pin descriptionsFC-SCA pin descriptions FC-AL transmitters and receivers PowerFault LED Out Active LED OutEnable port bypass signals Motor start controls11 SEL6 through SEL0 ID lines Parallel Enclosure Services Interface ESI Setting Setting Hex DecArbitrated loop physical address Alpa values LED driver signals Signal characteristicsTTL input characteristics Device control codesTransmit eye diagram Differential Pecl inputEye diagram data values Link rate GHzPresales Support Seagate Technology support services Online ServicesAutomated Services Technical SupportCustomer Service CSO USA/Canada/Latin America Support ServicesEuropean Support Services Africa/Middle East Support Services Asia/Pacific Support ServicesCall Center Toll-free Direct dial Cheetah 10K.6 FC Product Manual, Rev. B Index FC-AL Cheetah 10K.6 FC Product Manual, Rev. B Plogi Cheetah 10K.6 FC Product Manual, Rev. B Cheetah 10K.6 FC Product Manual, Rev. B

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