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About: IOSCAN's QUESTION
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10-28-2013 05:11 AM
10-28-2013 05:11 AM
System is HP-UX 11.31 (rx3660). I have one question about the "ioscan" ,
bash-3.2# ioscan -m lun
,
Class I Lun H/W Path Driver S/W State H/W Type Health Description
=======================================================================
disk 3 64000/0xfa00/0x0 esdisk CLAIMED DEVICE online HP IR Volume
0/4/1/0.0xc90c3141ba86224.0x0
/dev/disk/disk3 /dev/disk/disk3_p2 /dev/rdisk/disk3 /dev/rdisk/disk3_p2
/dev/disk/disk3_p1 /dev/disk/disk3_p3 /dev/rdisk/disk3_p1 /dev/rdisk/disk3_p3
disk 169 64000/0xfa00/0x68 esdisk CLAIMED DEVICE online DGC CX4-240
0/7/1/0.0x50060160446020c2.0x0
0/7/1/0.0x50060168446020c2.0x0
0/7/1/0.0x50060168446020c2.0x4000000000000000
0/7/1/0.0x50060160446020c2.0x4000000000000000
/dev/disk/disk169 /dev/rdisk/disk169
disk 170 64000/0xfa00/0x69 esdisk CLAIMED DEVICE limited DGC CX4-240WDR5
0/7/1/0.0x50060160446020c2.0x1000000000000
0/7/1/0.0x50060168446020c2.0x1000000000000
0/7/1/0.0x50060168446020c2.0x4001000000000000
0/7/1/0.0x50060160446020c2.0x4001000000000000
/dev/disk/disk170 /dev/rdisk/disk170
disk 171 64000/0xfa00/0x6a esdisk CLAIMED DEVICE limited DGC CX4-240WDR5
0/7/1/0.0x50060160446020c2.0x2000000000000
0/7/1/0.0x50060168446020c2.0x2000000000000
0/7/1/0.0x50060168446020c2.0x4002000000000000
0/7/1/0.0x50060160446020c2.0x4002000000000000
/dev/disk/disk171 /dev/rdisk/disk171
what are they with red ? thx !
Solved! Go to Solution.
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10-28-2013 07:31 AM - edited 10-28-2013 07:46 AM
10-28-2013 07:31 AM - edited 10-28-2013 07:46 AM
SolutionFrom "HP-UX 11i v3 Mass Storage Device Naming" white paper:
Lunpath hardware path format
The format of the lunpath hardware path is as follows:
• <HBA hw path>.<target port WWN or port id>.<SCSI-3 LUNid>
Where:
• HBA hw path: legacy HBA hardware path (example: 0/3/1/0).
• target port WWN or port id: hexadecimal representation of the target port Worldwide name
(WWN), or the target port identifier if the SCSI transport does not support WWN (example:
0x21000020370fe8c8 for WWN, and 0x0 for port id).
• SCSI-3 LUNid: hexadecimal representation of the SCSI-3 64 bit LUN identifier
From "Native Multi-Pathing for Mass Storage" white paper:
Make sure the correct "host mode" is set for HP-UX!
Hope this helps!
Regards
Torsten.
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10-28-2013 07:32 PM
10-28-2013 07:32 PM
Re: About: IOSCAN's QUESTION
Re: About: IOSCAN's QUESTION
thx for Torsten.
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