HP-UX 11i v3 Native Multi-Pathing for Mass Storage (August 2012)

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The ioscan command can query the mapping combinations between LUN and lunpaths using DSF
or hardware paths.
• To which legacy DSF does /dev/rdisk/disk17 map?
# ioscan -m dsf /dev/rdisk/disk17
Persistent DSF Legacy DSF(s)
========================================
/dev/rdisk/disk17 /dev/rdsk/c5t2d4
/dev/rdsk/c7t2d4
/dev/rdsk/c9t2d4
/dev/rdsk/c11t2d4
• To which persistent DSF does /dev/rdsk/c5t2d4 map?
# ioscan -m dsf /dev/rdsk/c5t2d4
Persistent DSF Legacy DSF(s)
========================================
/dev/rdisk/disk17 /dev/rdsk/c5t2d4
• To which lunpath and legacy hardware paths does LUN hardware path 64000/0xfa00/0x5 map?
# ioscan -m hwpath -H 64000/0xfa00/0x5
Lun H/W Path Lunpath H/W Path Legacy H/W Path
====================================================================
64000/0xfa00/0x5
0/2/1/0.0x500508b3009097f9.0x4014000000000000 0/2/1/0.3.8.0.0.2.4
0/4/1/0.0x500508b3009097f9.0x4014000000000000 0/4/1/0.3.8.0.0.2.4
0/2/1/0.0x500508b3009097f1.0x4014000000000000 0/2/1/0.3.14.0.0.2.4
0/4/1/0.0x500508b3009097f1.0x4014000000000000 0/4/1/0.3.14.0.0.2.4
• To which lunpath hardware path and LUN hardware path does legacy lunpath hardware path
0/2/1/0.3.8.0.0.2.4
map?
# ioscan -m hwpath -H 0/2/1/0.3.8.0.0.2.4
Lun H/W Path Lunpath H/W Path Legacy H/W Path
====================================================================
64000/0xfa00/0x5
0/2/1/0.0x500508b3009097f9.0x4014000000000000 0/2/1/0.3.8.0.0.2.4
• To which LUN and legacy hardware path does new lunpath hardware path
0/2/1/0.0x500508b3009097f9.0x4014000000000000
map?
# ioscan -m hwpath -H 0/2/1/0.0x500508b3009097f9.0x4014000000000000
Lun H/W Path Lunpath H/W Path Legacy H/W Path
====================================================================
64000/0xfa00/0x5
0/2/1/0.0x500508b3009097f9.0x4014000000000000 0/2/1/0.3.8.0.0.2.4
For more information, see the HP-UX 11i v3 Mass Storage Device Naming
white paper.
scsimgr(1M)
The scsimgr command displays the mapping between LUNs and lunpaths.
# scsimgr lun_map -D /dev/rdisk/disk17
LUN PATH INFORMATION FOR LUN : /dev/rdisk/disk17
Total number of LUN paths = 4
World Wide Identifier(WWID) = 0x600508b3009097f0421745217a6c0056
LUN path : lunpath5
Class = lunpath
Instance = 5
Hardware path = 0/2/1/0.0x500508b3009097f9.0x4014000000000000
SCSI transport protocol = fibre_channel
State = UNOPEN