SCSI Primary Commands - 2.pdf

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T10/1236-D Revision 20 18 July 2001Table A.3 lists all possible save options for the LOG SENSE command.The listed options define the save operations that occur as a direct result of the LOG SENSE command. Furthersave operations are a function of the TSD bit in the log parameter control byte.Table A.3 — LOG SENSE save optionsLOG SENSECDB ValuesLog Page ParameterControl Byte ValueSPbitPCfieldDSbitLPbitLBINbitDevice Server Action0 xx x x x Do not save any of the log parameters into nonvolatile storage.1 00 0 0 x Save all the current threshold values of the selected log pageinto nonvolatile storage.1 01 0 0 x Save all the current cumulative values of the selected log pageinto nonvolatile storage.1 10 0 0 x Save all the default threshold values of the selected log pageinto nonvolatile storage.1 11 0 0 x Save all the default cumulative values of the selected log pageinto nonvolatile storage.1 xx 0 1 0 Save all the current list parameter values of the selected logpage into nonvolatile storage. The list parameters areformatted as ASCII graphic codes.1 xx 0 1 1 Save all the current list parameter values of the selected logpage into nonvolatile storage. The list parameters areformatted in binary.1 xx 1 x x Do not save any of the log parameters into nonvolatile storage.222 dpANS SCSI Primary Commands - 2 (SPC-2)
18 July 2001 T10/1236-D Revision 20A.4 LOG SELECT commandThe function of the LOG SELECT command is to allow an application client a method of sending parameter valuesto the device server.Table A.4 lists the definitions of the LOG SELECT CDB fields.PCRbitLOG SELECT CDB ValuesSPbitPCfieldParameterListLengthTable A.4 — LOG SELECT CDB fieldsDescription0 - -- - Indicates that the log parameters are not reset.1 x xx 0000h Indicates that the device server sets all implemented parametervalues to the target-defined default values.1 x xx GT 0 This is an illegal condition.- 0 -- - Indicates that the device server does not save any of the logparameters.- 1 -- - Indicates that, after performing the specified LOG SELECToperation, the device server saves to nonvolatile memory all savablelog parameters. See table A.5 to determine the interaction betweenthe SP and DS bits to see what 'savable' means.- - 00 - Indicates that the application client sends threshold values.- - 01 - Indicates that the application client sends cumulative values.- - 10 - Indicates that the application client sends default threshold values.- - 11 - Indicates that the application client sends default cumulative values.dpANS SCSI Primary Commands - 2 (SPC-2) 223
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