07-26-2009
look the LUN ID is supposed to be the number here:
for example:
c3t18d51s2
LUN ID = 51, because it is d51 (disk #51).
but be careful, it's tricky.
I suggest you trace your disks.
It seems that you have two controller (c3, c4)
and on C3, you have three targets:
t4, t14, t18
(PS: for detailed description, check your SAN to figure out why they appear as 3 targets, but that's not really important)
now your LUNs appear to be out of order:
d39, d40
d104,
d150, d151, d154
so try to MAP each LUN on your SAN to each d#..
I hope that helps !
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LEARN ABOUT CENTOS
sg_rdac
SG_RDAC(8) SG3_UTILS SG_RDAC(8)
NAME
sg_rdac - display or modify SCSI RDAC Redundant Controller mode page
SYNOPSIS
sg_rdac [-a] [-f=LUN] [-v] [-V] DEVICE
DESCRIPTION
sg_rdac displays or modifies the RDAC controller settings via the Redundant Controller mode page (0x2C). When modifying the settings it
allows to transfer the ownership of individual drives to the controller the command was received on.
OPTIONS
-a Transfer all (visible) devices
-f=LUN Transfer the device identified by LUN. This command will only work if the controller supports 'Dual Active Mode' (aka active/active
mode).
-v be verbose
-V print version string then exit
EXIT STATUS
The exit status of sg_rdac is 0 when it is successful. Otherwise see the sg3_utils(8) man page.
AUTHOR
Written by Hannes Reinecke <hare at suse dot com>, based on sg_emc_trespass.
REPORTING BUGS
Report bugs to <dgilbert at interlog dot com>.
COPYRIGHT
Copyright (C) 2006-2012 Hannes Reinecke, Douglas Gilbert.
This software is distributed under the GPL version 2. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR-
POSE.
sg3_utils-1.35 November 2012 SG_RDAC(8)