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The Tru64 port of sg3_utils contains those utilities that are _not_
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specific to Linux. In some cases a utility could be ported but
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requires more work. An example is sg_dd which needs more work
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beyond the SCSI command pass through mechanism.
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Here is a list of utilities that have been ported:
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sg_inq [dropped ATA IDENTIFY DEVICE capability]
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Most utility names are indicative of the main SCSI command
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that they execute. Some utilities are slightly higher level, for
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example sg_ses fetches SCSI Enclosure Services (SES) status pages and
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can send control pages. Each utility has a man page (placed in
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section 8). An overview of sg3_utils can be found at:
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http://www.torque.net/sg/sg3_utils.html .
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A copy of the "sg3_utils.html" file is in the "doc" subdirectory.
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See the INSTALL file (at the end) for instructions on how to build
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sg3_utils on Tru64. Files that are Tru64 specific use the "osf1"
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suffix (apart from this one). Some man pages have examples which
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use linux device names which hopefully will not confuse the Tru64 users.
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The ported utilities listed above, all use SCSI command functions
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declared in sg_cmds.h and implemented in sg_cmds.c . The sg_cmds.c
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file passes SCSI commands to the host operating system via
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an interface declared in sg_pt.h . There are currently three
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implementations of that interface depending on the host operating
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- sg_pt_osf1.c [Tru64]
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The sg_pt_osf1.c file uses the Tru64 CAM SCSI pass through
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Tru64 does not have general library support for "long" options
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(e.g. "--verbose") which are used extensively by most of the
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utilities in this package. Rather than change all the utilities
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and their man/web pages a local implementation of the missing
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function "getopt_long()" has been placed in the "getopt_long"
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subdirectory. Currently only the Tru64 port uses it.
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README.tru64
