585 hpcluster.1 RW 1/0/- --- --- --- --- - 50002AC002490036
Tue Oct 23 12:53:36 PDT 2007
586 hpcluster.2 RW 0/1/- --- --- --- --- - 50002AC0024A0036
Tue Oct 23 12:53:36 PDT 2007
# showvlun -lvw
Active VLUNs
Lun VVname -----VV_WWN----- Host -Host_WWN/iSCSI_Name- Port Type
1 hpcluster.0 50002AC002480036 sqahpit2 50060B000068D5A4 0:4:2 host
2 hpcluster.1 50002AC002490036 sqahpit2 50060B000068D5A4 0:4:2 host
3 hpcluster.2 50002AC0024A0036 sqahpit2 50060B000068D5A4 0:4:2 host
1 hpcluster.0 50002AC002480036 sqahpit2 50060B00001D1192 1:5:2 host
2 hpcluster.1 50002AC002490036 sqahpit2 50060B00001D1192 1:5:2 host
3 hpcluster.2 50002AC0024A0036 sqahpit2 50060B00001D1192 1:5:2 host
The output above shows that
/dev/rdisk/disk0
is a device special file for HP 3PAR
Storage System VV
hpcluster.0
exported as LUN 1 and verified from HP 3PAR Storage
System CLI
showvv
and
showhost
commands.
c.
To obtain information about the number of paths for a given disk, issue
scsimgr
lun_map
or
scsimgr lun_map -D /dev/rdisk/disk6
:
# scsimgr lun_map -D /dev/rdisk/disk6
LUN PATH INFORMATION FOR LUN : /dev/rdisk/disk6
Total number of LUN paths = 2
World Wide Identifier(WWID) = 0x50002ac0024d0036
LUN path : lunpath13
Class = lunpath
Instance = 13
Hardware path = 0/0/4/1/0.0x20420002ac000036.0x400a000000000000
SCSI transport protocol = fibre_channel
State = UNOPEN
Last Open or Close state = ACTIVE
LUN path : lunpath14
Class = lunpath
Instance = 14
Hardware path = 0/0/4/1/1.0x21520002ac000036.0x400a000000000000
SCSI transport protocol = fibre_channel
State = UNOPEN
Last Open or Close state = ACTIVE
d.
To determine all device attributes such as the multipathing policy, timeout values and
device capacity, issue
scsimgr getinfo all_lun
or
scsimgr get_info -D
/dev/rdisk/disk6
:
# scsimgr get_info -D /dev/rdisk/disk6
STATUS INFORMATION FOR LUN : /dev/rdisk/disk6
Generic Status Information
SCSI services internal state = UNOPEN
Device type = Direct_Access
EVPD page 0x83 description code = 1
EVPD page 0x83 description association = 0
EVPD page 0x83 description type = 3
World Wide Identifier (WWID) = 0x50002ac0024d0036
Setting Up Multipathing Software on 11i v3
25