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Full Discussion: SAN Migration of HP-UX hosts
Operating Systems HP-UX SAN Migration of HP-UX hosts Post 302739207 by Joseph_TKLee on Monday 3rd of December 2012 05:49:41 PM
Old 12-03-2012
To Jps460,
I have never seen any luns not under VGs except raw devices for Oracle DB.
I am just wondering what purpose the luns are not under VGs is.
If you show me the output of bdf, I might give you an idea.
Cheers,
 

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SG_LUNS(8)							     SG3_UTILS								SG_LUNS(8)

NAME
sg_luns - send the SCSI REPORT LUNS command SYNOPSIS
sg_luns [--decode] [--help] [--hex] [--maxlen=LEN] [--quiet] [--raw] [--select=SR] [--verbose] [--version] DEVICE DESCRIPTION
Send the SCSI REPORT LUNS command to the DEVICE and outputs the response. In the SPC-3 SCSI standard support for this command is mandatory. OPTIONS
Arguments to long options are mandatory for short options as well. -d, --decode decode logical unit numbers into their hierarchical parts. Interprets luns as described in SAM-3 when the HiSup bit is set in a standard INQUIRY's response. -h, --help output the usage message then exit. -H, --hex output response to this command in ASCII hex. -m, --maxlen=LEN where LEN is the (maximum) response length in bytes. It is placed in the cdb's "allocation length" field. If not given (or LEN is zero) then 8192 is used. The maximum allowed value of LEN is 65536. -q, --quiet output ASCII hex rendering of each report lun, one per line. -r, --raw output response in binary (to stdout). -s, --select=SR this option sets the 'select report' field (SR) in the SCSI REPORT LUNS command. The default value is 0. When 0 is given (or this option is not specified) then the DEVICE should yield a list of luns addressable via this "I_T nexus" that use the following lun addressing methods: logical unit addressing, peripheral device addressing and flat space addressing. When 1 is given the DEVICE should yield a list of only "well known" logical units addressable via this "I_T" nexus. When 2 is given the DEVICE should yield all luns addressable via this "I_T" nexus. To simplify, for the I_T nexus associated with the DEVICE, the meanings of the SR values are: 0 : all luns excluding well known logical units 1 : well known logical units 2 : all luns Values between 0xf8 and 0xff (inclusive) are vendor specific (SPC-4 (rev 32), other values greater than 2 are reserved. -v, --verbose increase the level of verbosity, (i.e. debug output). -V, --version print the version string and then exit. EXIT STATUS
The exit status of sg_luns is 0 when it is successful. Otherwise see the sg3_utils(8) man page. AUTHORS
Written by Douglas Gilbert. REPORTING BUGS
Report bugs to <dgilbert at interlog dot com>. COPYRIGHT
Copyright (C) 2004-2011 Douglas Gilbert This software is distributed under a FreeBSD license. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR- POSE. SEE ALSO
sg_inq(8) sg3_utils-1.33 August 2011 SG_LUNS(8)
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