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The examples in this page use Linux device names. For suitable device
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names in other supported Operating Systems see the sg3_utils(8) man page.
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Further examples can be found on http://sg.danny.cz/sg/sg3_utils.html
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To see the VPD pages that a device supports, use with no options. The
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command line invocation is shown first followed by a typical response:
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Supported VPD pages VPD page:
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Supported VPD pages [sv]
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Unit serial number [sn]
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Device identification [di]
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Extended inquiry data [ei]
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Block limits (SBC) [bl]
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To see the VPD page numbers associated with each supported page then
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add the '\-\-long' option to the above command line. To view a
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VPD page either its number or abbreviation can be given to
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the '\-\-page=' option. The page name abbreviations are shown within
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square brackets above. In the next example the Extended inquiry data
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# sg_vpd \-\-page=ei /dev/sdb
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extended INQUIRY data VPD page:
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ACTIVATE_MICROCODE=0 SPT=0 GRD_CHK=0 APP_CHK=0 REF_CHK=0
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UASK_SUP=0 GROUP_SUP=0 PRIOR_SUP=0 HEADSUP=1 ORDSUP=1 SIMPSUP=1
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WU_SUP=0 CRD_SUP=0 NV_SUP=0 V_SUP=0
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P_I_I_SUP=0 LUICLR=0 R_SUP=0 CBCS=0
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Multi I_T nexus microcode download=0
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Extended self-test completion minutes=0
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Further examples can be found on the http://sg.danny.cz/sg/sg3_utils.html
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Written by Doug Gilbert