SCSI Primary Commands - 2.pdf

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T10/1236-D Revision 20 18 July 200110.2 Log parametersThis subclause defines the descriptors and pages for log parameters used with processor type devices.The log page codes for processor devices are defined in table 184.Table 184 — Processor log page codesPage Code Description Reference01h Buffer over-run/under-run page 8.2.30Bh Last n deferred errors or asynchronous events page 8.2.507h Last n error events page 8.2.606h Non-medium error page 8.2.700h Supported log pages 8.2.1002h - 05h Reserved08h - 0Ah Reserved0Ch - 2Fh Reserved3Fh Reserved30h - 3Eh Vendor specific pages10.3 Vital product data parametersThis subclause defines the descriptors and pages for vital product data parameters used with processor typedevices.The vital product data page codes for processor devices are defined in table 185.Table 185 — Processor vital product data page codesPage code Description ReferenceSupportRequirements82h ASCII implemented operating definition page 8.4.2 Optional01h - 7Fh ASCII information page 8.4.3 Optional83h Device identification page 8.4.4 Mandatory00h Supported vital product data pages 8.4.5 Mandatory80h Unit serial number page 8.4.6 OptionalC0h - FFh Vendor specific218 dpANS SCSI Primary Commands - 2 (SPC-2)
18 July 2001 T10/1236-D Revision 20Annex A(Informative)Procedures for logging operations in SCSIA.1 Procedures for logging operations in SCSI introductionThis annex provides guidance in the use of the LOG SELECT and LOG SENSE commands defined in clause 7.This annex does not replace the descriptions in clause 7 and is not intended to conflict with clause 7. The purposeof this annex is to provide more information to gain a more uniform implementation of the SCSI logging functions.A.2 Logging operations terminologyA.2.1 list parameter: A parameter value that consists of a string of ASCII graphic codes or a binary value.A.2.2 log page: A page made up of one or more log parameters.A.2.3 log parameter: Log information that is made up of a parameter code, a parameter control byte, and aparameter value.A.2.4 parameter code: A unique identifier that is used to distinguish between the different log parameters within asingle log page.A.2.5 parameter control byte: Used to tell the device server how to update, save, use thresholds, determineformat, etc. of the parameter value.A.2.6 parameter pointer field: Contains a parameter code.A.2.7 parameter value: A counter, cumulative, threshold, or ASCII value.A.2.8 GT: Greater ThanA.2.9 NV: Not ValiddpANS SCSI Primary Commands - 2 (SPC-2) 219
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